function getValue() {    
    GetRequest();
}

var canvasTripwire;
var canvasTripwire_all;
var click_canvas_all = 0;
var canvasTripwire1;
var canvasTripwire2;
var canvasTripwire3;
var canvasTripwire4;
var canvasTripwire5;
var canvasTripwire6;
var canvasTripwire7;
var canvasTripwire8;
var canvasTripwire_default;

var TripwireTrafficMode = 0;//0:Traffic Light,1:Tripwire
var TrafficLineMode = 0;//0:Rect,1:Line
var g_Ctrl_InfoTrafficLight = [];//0:index,1:left,2:top,3:width,4:height,5:direct,6:Traffic Light
var MAX_SIZE_POINTS = 6;
var MAX_DETECTION_ZONE = 8;

var G_VIEW_CANVAS_X = 480;
var G_VIEW_CANVAS_Y = 320;

var MAX_HEIGHT = G_VIEW_CANVAS_Y;
var MAX_WIDTH = G_VIEW_CANVAS_X;

var currentPointPosition1 = new Array(MAX_SIZE_POINTS);
var currentPointPosition2 = new Array(MAX_SIZE_POINTS);
var currentPointPosition3 = new Array(MAX_SIZE_POINTS);
var currentPointPosition4 = new Array(MAX_SIZE_POINTS);
var currentPointPosition5 = new Array(MAX_SIZE_POINTS);
var currentPointPosition6 = new Array(MAX_SIZE_POINTS);
var currentPointPosition7 = new Array(MAX_SIZE_POINTS);
var currentPointPosition8 = new Array(MAX_SIZE_POINTS);


var data_anpr = "";
var bbox_count = 0;
var plate_count = 0;
var plate_idx = 0;
var ai_json;

var complete_flag = 0;
var content_len = 0;
var datas;
var n1 = -1, n2 = -1 , n2_temp = -1;
var wait_count = 0;

var clear_count = 0;	//sophia add 20201207

var MAX_LPR_ARRAY = 18;
var MAX_LPR_SHIFT = 5;
var LPR_Array = Array(MAX_LPR_ARRAY);
var LPR_confidence_array = Array(MAX_LPR_ARRAY);
var LPR_area_array = Array(MAX_LPR_ARRAY);
var LPR_color_array = Array(MAX_LPR_ARRAY);
var LPR_sec_color_array = Array(MAX_LPR_ARRAY);
var LPR_car_type_name_array = Array(MAX_LPR_ARRAY);
var LPR_center_direction_array = Array(MAX_LPR_ARRAY);

var MAX_LPBMP_ARRAY = 18;
var LPBMP_Array = Array(MAX_LPBMP_ARRAY); // lpr img path
//var LPR_Array = Array(MAX_LPBMP_ARRAY); // lpr text 
//var LPRC_Array = Array(MAX_LPBMP_ARRAY); // lpr contry

{
    for (var i = 0; i < MAX_LPR_ARRAY; i++) {
        LPR_Array[i] = "NULL";
        LPR_confidence_array[i] = "NULL";
        LPR_area_array[i] = "NULL";
        LPR_color_array[i] = "NULL";
        LPR_sec_color_array[i] = "NULL";
        LPR_car_type_name_array[i] = "NULL";
        LPR_center_direction_array[i] = "NULL";
    } 
}

{// LPBMP
    for (var i = 0; i < MAX_LPBMP_ARRAY; i++) {
        LPBMP_Array[i] = "NULL";
    } 
}

var g_drawing_canvas =
{
    bounding_left: -1,
    bounding_top: -1,
    down_x: -1,
    down_y: -1,
    move_x: -1,
    move_y: -1,
    draw_x: -1,
    draw_y: -1,
    draw_w: -1,
    draw_h: -1,
    direct: 1
};

function push_lpr(mylpr, myarea, myconfidence, mycolor, myseccolor,mycartype,mycenter_direction) {
    for (var i = 0; i < MAX_LPR_ARRAY; i++) {
        if (LPR_Array[i] === "NULL") {
            LPR_Array[i] = mylpr;
            LPR_confidence_array[i] = myconfidence;
            LPR_area_array[i] = myarea;
            LPR_color_array[i] = mycolor;
            LPR_sec_color_array[i] = myseccolor;
            LPR_car_type_name_array[i] = mycartype;
            LPR_center_direction_array[i] = mycenter_direction;
            break;
        }
        else {
            if (i === MAX_LPR_ARRAY - 1) {
                var j = 0;
                for (j = 0; j < MAX_LPR_ARRAY - 1; j++) {
                    LPR_Array[j] = LPR_Array[j + 1];
                    LPR_confidence_array[j] = LPR_confidence_array[j + 1];
                    LPR_area_array[j] = LPR_area_array[j + 1];
                    LPR_color_array[j] = LPR_color_array[j + 1];
                    LPR_sec_color_array[j] = LPR_sec_color_array[j + 1];
                    LPR_car_type_name_array[j] = LPR_car_type_name_array[j + 1];
                    LPR_center_direction_array[j] = LPR_center_direction_array[j + 1];
                }
                LPR_Array[j] = mylpr;
                LPR_confidence_array[j] = myconfidence;
                LPR_area_array[j] = myarea;
                LPR_color_array[j] = mycolor;
                LPR_sec_color_array[j] = myseccolor;
                LPR_car_type_name_array[j] = mycartype;
                LPR_center_direction_array[j] = mycenter_direction;
            }
        }
    }
}

function get_front_lpr() {
    var msg = "";
    for (var i = MAX_LPR_ARRAY - 1; i >= MAX_LPR_SHIFT; i--) {
        if (LPR_Array[i] != "NULL") {
            if (LPR_area_array[i].length >= 1 && LPR_area_array[i] != "NULL") {
                msg += LPR_Array[i] + ", " + LPR_area_array[i] + ", " + LPR_confidence_array[i] + "<br/>";
            }
            else {
                msg += LPR_Array[i] + ", " + LPR_confidence_array[i] + "<br/>";
            }
            //console.log(LPR_Array[i], ", ", LPR_confidence_array[i]); //a113n
        }
    }

    return msg;
}

function validatingJSON(json) {

    var checkedjson;

    try {
        checkedjson = JSON.parse(json); //JSON parse only for try catch
        //console.log("json OK");
        //console.log(json);
    } catch (e) {
        checkedjson = null;
        console.log(e);//the character would be drop sometimes, for example the label "class_id" may be "clas_id". 
        //console.log(json);
    }

    return checkedjson;
}

function updateObjects() {
    g_Ctrl_InfoTrafficLight.length = 0;
    var j = 0;
    if (TripwireTrafficMode == 1) {
        g_Ctrl_InfoTrafficLight[j] = [];
        g_Ctrl_InfoTrafficLight[j][0] = j;
        g_Ctrl_InfoTrafficLight[j][1] = 50;
        g_Ctrl_InfoTrafficLight[j][2] = 50;
        g_Ctrl_InfoTrafficLight[j][3] = 30;
        g_Ctrl_InfoTrafficLight[j][4] = 30;
        g_Ctrl_InfoTrafficLight[j][5] = 1;
        g_Ctrl_InfoTrafficLight[j][6] = 1;
        j++;
    }
    for (var i = 0; i < canvasTripwire.getObjects().length; i++) {
        g_Ctrl_InfoTrafficLight[j] = [];
        g_Ctrl_InfoTrafficLight[j][0] = j;
        g_Ctrl_InfoTrafficLight[j][1] = canvasTripwire.item(i).left;
        g_Ctrl_InfoTrafficLight[j][2] = canvasTripwire.item(i).top;
        g_Ctrl_InfoTrafficLight[j][3] = canvasTripwire.item(i).width;
        g_Ctrl_InfoTrafficLight[j][4] = canvasTripwire.item(i).height;
        g_Ctrl_InfoTrafficLight[j][5] = canvasTripwire.item(i).direction;
        g_Ctrl_InfoTrafficLight[j][6] = canvasTripwire.item(i).trafficlight;
        j++;
    }
}

function insertTrafficLightRectangle(r_left, r_top, r_width, r_height, r_direct, r_tlight) {
    var rectangle;

    var color_type = '#00FF00';

    if ((r_left != null) && (r_top != null) && (r_width != null) && (r_height != null)) {
        rectangle = new fabric.Rect({ trafficlight: r_tlight, direction: r_direct, left: r_left, top: r_top, stroke: color_type, strokeWidth: 1.5, fill: 'transparent', width: r_width, height: r_height, opacity: 1, hasRotatingPoint: false, transparentCorners: false, cornerStyle: 'circle', cornerSize: 10, cornerColor: '#BDB76B' });

    }
    else {
        rectangle = new fabric.Rect({ trafficlight: 1, direction: 1, left: 50, top: 50, stroke: color_type, strokeWidth: 1.5, fill: 'transparent', width: 30, height: 30, opacity: 1, hasRotatingPoint: false, transparentCorners: false, cornerStyle: 'circle', cornerSize: 10, cornerColor: '#BDB76B' });
    }

    rectangle.setControlsVisibility({
        bl: true,
        br: true,
        tl: true,
        tr: true,
        mt: true,
        mb: true,
        ml: true,
        mr: true,
    });

    disabelIteraction(rectangle);

    return rectangle;
}

function insertTrafficLightRectangle_Red(r_left, r_top, r_width, r_height, r_direct, r_tlight) {
    var rectangle2;
    if ((r_left != null) && (r_top != null) && (r_width != null) && (r_height != null)) {
        rectangle2 = new fabric.Rect({ trafficlight: r_tlight, direction: r_direct, left: r_left, top: r_top, stroke: '#FF0000', strokeWidth: 1.5, fill: 'transparent', width: r_width, height: r_height, opacity: 1, hasRotatingPoint: false, transparentCorners: false, cornerStyle: 'circle', cornerSize: 10, cornerColor: '#BDB76B' });

    }
    else {
        rectangle2 = new fabric.Rect({ trafficlight: 1, direction: 1, left: 50, top: 50, stroke: '#FF0000', strokeWidth: 1.5, fill: 'transparent', width: 30, height: 30, opacity: 1, hasRotatingPoint: false, transparentCorners: false, cornerStyle: 'circle', cornerSize: 10, cornerColor: '#BDB76B' });
    }

    rectangle2.setControlsVisibility({
        bl: true,
        br: true,
        tl: true,
        tr: true,
        mt: true,
        mb: true,
        ml: true,
        mr: true,
    });

    disabelIteraction(rectangle2);

    return rectangle2;
}

function insertTextLabel(r_left, r_top, r_width, r_height, showtext) {
    var textcontent;
    if ((r_left != null) && (r_top != null) && (r_width != null) && (r_height != null)) {
        textcontent = new fabric.Text(showtext, {
            left: r_left,
            top: r_top,
            width: r_width,
            height: r_height,
            fontFamily: 'helvetica', // 字型
            fontSize: 15, // 字体大小
            fontWeight: '', // 字体粗细
            shadow: { color: 'black', blur: 5 },
            fill: '#CCFF33'
        });

    }
    else {
        textcontent = new fabric.Text(showtext, {
            left: 50,
            top: 50,
            width: 50,
            height: 50,
            fontFamily: 'helvetica', // 字型
            fontSize: 15, // 字体大小
            fontWeight: '', // 字体粗细
            shadow: { color: 'black', blur: 5 },
            fill: '#CCFF33'
        });
    }
    textcontent.setControlsVisibility({
        bl: true,
        br: true,
        tl: true,
        tr: true,
        mt: true,
        mb: true,
        ml: true,
        mr: true,
    });

    disabelIteraction(textcontent);

    return textcontent;
}

function insertTextLabel_Orange(r_left, r_top, r_width, r_height, showtext) {
    var textcontent;
    if ((r_left != null) && (r_top != null) && (r_width != null) && (r_height != null)) {
        textcontent = new fabric.Text(showtext, {
            left: r_left,
            top: r_top,
            width: r_width,
            height: r_height,
            fontFamily: 'helvetica', // 字型
            fontSize: 22, // 字体大小
            fontWeight: '900', // 字体粗细
            shadow: { color: 'black', blur: 5 },
            fill: '#ff8c00'
        });

    }
    else {
        textcontent = new fabric.Text(showtext, {
            left: 50,
            top: 50,
            width: 50,
            height: 50,
            fontFamily: 'helvetica', // 字型
            fontSize: 22, // 字体大小
            fontWeight: '900', // 字体粗细
            shadow: { color: 'black', blur: 5 },
            fill: '#ff8c00'
        });
    }
    textcontent.setControlsVisibility({
        bl: true,
        br: true,
        tl: true,
        tr: true,
        mt: true,
        mb: true,
        ml: true,
        mr: true,
    });

    disabelIteraction(textcontent);

    return textcontent;
}

function insertTextLabel_Red(r_left, r_top, r_width, r_height, showtext) {
    var textcontent;
    if ((r_left != null) && (r_top != null) && (r_width != null) && (r_height != null)) {
        textcontent = new fabric.Text(showtext, {
            left: r_left,
            top: r_top,
            width: r_width,
            height: r_height,
            fontFamily: 'helvetica', // 字型
            fontSize: 15, // 字体大小
            fontWeight: '', // 字体粗细
            shadow: { color: 'black', blur: 5 },
            fill: '#ff0000'
        });

    }
    else {
        textcontent = new fabric.Text(showtext, {
            left: 50,
            top: 50,
            width: 50,
            height: 50,
            fontFamily: 'helvetica', // 字型
            fontSize: 15, // 字体大小
            fontWeight: '', // 字体粗细
            shadow: { color: 'black', blur: 5 },
            fill: '#ff0000'
        });
    }
    textcontent.setControlsVisibility({
        bl: true,
        br: true,
        tl: true,
        tr: true,
        mt: true,
        mb: true,
        ml: true,
        mr: true,
    });

    disabelIteraction(textcontent);

    return textcontent;
}

function insertTextLabel_Blue(r_left, r_top, r_width, r_height, showtext) {
    var textcontent;
    if ((r_left != null) && (r_top != null) && (r_width != null) && (r_height != null)) {
        textcontent = new fabric.Text(showtext, {
            left: r_left,
            top: r_top,
            width: r_width,
            height: r_height,
            fontFamily: 'helvetica', // 字型
            fontSize: 15, // 字体大小
            fontWeight: '', // 字体粗细
            shadow: { color: 'black', blur: 5 },
            fill: '#0000ff'
        });

    }
    else {
        textcontent = new fabric.Text(showtext, {
            left: 50,
            top: 50,
            width: 50,
            height: 50,
            fontFamily: 'helvetica', // 字型
            fontSize: 15, // 字体大小
            fontWeight: '', // 字体粗细
            shadow: { color: 'black', blur: 5 },
            fill: '#0000ff'
        });
    }
    textcontent.setControlsVisibility({
        bl: true,
        br: true,
        tl: true,
        tr: true,
        mt: true,
        mb: true,
        ml: true,
        mr: true,
    });

    disabelIteraction(textcontent);

    return textcontent;
}

function disabelIteraction(element) {
    //https://github.com/fabricjs/fabric.js/wiki/Preventing-object-modification
    element.lockMovementX = true;	//Prevents horizontal movement
    element.lockMovementY = true;	//Prevents vertical movement
    element.lockScalingX = true;	//Prevents horizontal scaling
    element.lockScalingY = true;	//Prevents vertical scaling
    element.lockUniScaling = true;	//Prevents scaling in either X or Y direction but not in both. In other words, prevents non-proportional scaling of an object.
    element.lockRotation = true;	//Prevents rotation
    element.selectable = false;
    element.evented = false;
}

function enableIteraction(element) {
    element.lockScalingX = false;	//Prevents horizontal scaling
    element.lockScalingY = false;	//Prevents vertical scaling
    element.lockUniScaling = false;	//Prevents scaling in either X or Y direction but not in both. In other words, prevents non-proportional scaling of an object.
    element.lockRotation = false;	//Prevents rotation
    element.evented = true;
    element.selectable = true;
}

function createCanvasTrafficLight() {
    canvasTripwire = new fabric.Canvas('CanvasTripwire', {
        height: 320,//window.innerHeight
        width: 480//window.innerWidth
    });
    canvasTripwire.requestRenderAll();
}

var polygon_zone1;
var polygon_zone2;
var polygon_zone3;
var polygon_zone4;
var polygon_zone5;
var polygon_zone6;
var polygon_zone7;
var polygon_zone8;

function createCanvasTrafficLight_anpr(mypoints1, mypoints2, mypoints3, mypoints4, mypoints5, mypoints6, mypoints7, mypoints8) {
    currentPointPosition1 = mypoints1;
    currentPointPosition2 = mypoints2;
    currentPointPosition3 = mypoints3;
    currentPointPosition4 = mypoints4;
    currentPointPosition5 = mypoints5;
    currentPointPosition6 = mypoints6;
    currentPointPosition7 = mypoints7;
    currentPointPosition8 = mypoints8;

    var min_x1 = 10000;
    var min_y1 = 10000;
    for (var i = 0; i < MAX_SIZE_POINTS; i++) {
        if (mypoints1[i].x < min_x1) {
            min_x1 = mypoints1[i].x;
        }
        if (mypoints1[i].y < min_y1) {
            min_y1 = mypoints1[i].y;
        }
    }

    var min_x2 = 10000;
    var min_y2 = 10000;
    for (var i = 0; i < MAX_SIZE_POINTS; i++) {
        if (mypoints2[i].x < min_x2) {
            min_x2 = mypoints2[i].x;
        }
        if (mypoints2[i].y < min_y2) {
            min_y2 = mypoints2[i].y;
        }
    }

    var min_x3 = 10000;
    var min_y3 = 10000;
    for (var i = 0; i < MAX_SIZE_POINTS; i++) {
        if (mypoints3[i].x < min_x3) {
            min_x3 = mypoints3[i].x;
        }
        if (mypoints3[i].y < min_y3) {
            min_y3 = mypoints3[i].y;
        }
    }

    var min_x4 = 10000;
    var min_y4 = 10000;
    for (var i = 0; i < MAX_SIZE_POINTS; i++) {
        if (mypoints4[i].x < min_x4) {
            min_x4 = mypoints4[i].x;
        }
        if (mypoints4[i].y < min_y4) {
            min_y4 = mypoints4[i].y;
        }
    }


    var min_x5 = 10000;
    var min_y5 = 10000;
    for (var i = 0; i < MAX_SIZE_POINTS; i++) {
        if (mypoints5[i].x < min_x5) {
            min_x5 = mypoints5[i].x;
        }
        if (mypoints5[i].y < min_y5) {
            min_y5 = mypoints5[i].y;
        }
    }

    var min_x6 = 10000;
    var min_y6 = 10000;
    for (var i = 0; i < MAX_SIZE_POINTS; i++) {
        if (mypoints6[i].x < min_x6) {
            min_x6 = mypoints6[i].x;
        }
        if (mypoints6[i].y < min_y6) {
            min_y6 = mypoints6[i].y;
        }
    }

    var min_x7 = 10000;
    var min_y7 = 10000;
    for (var i = 0; i < MAX_SIZE_POINTS; i++) {
        if (mypoints7[i].x < min_x7) {
            min_x7 = mypoints7[i].x;
        }
        if (mypoints7[i].y < min_y7) {
            min_y7 = mypoints7[i].y;
        }
    }

    var min_x8 = 10000;
    var min_y8 = 10000;
    for (var i = 0; i < MAX_SIZE_POINTS; i++) {
        if (mypoints8[i].x < min_x8) {
            min_x8 = mypoints8[i].x;
        }
        if (mypoints8[i].y < min_y8) {
            min_y8 = mypoints8[i].y;
        }
    }

    canvasTripwire1 = new fabric.Canvas('CanvasTripwire1', {
        height: G_VIEW_CANVAS_Y,//window.innerHeight
        width: G_VIEW_CANVAS_X//window.innerWidth
    });


    canvasTripwire2 = new fabric.Canvas('CanvasTripwire2', {
        height: G_VIEW_CANVAS_Y,//window.innerHeight
        width: G_VIEW_CANVAS_X//window.innerWidth
    });

    canvasTripwire3 = new fabric.Canvas('CanvasTripwire3', {
        height: G_VIEW_CANVAS_Y,//window.innerHeight
        width: G_VIEW_CANVAS_X//window.innerWidth
    });

    canvasTripwire4 = new fabric.Canvas('CanvasTripwire4', {
        height: G_VIEW_CANVAS_Y,//window.innerHeight
        width: G_VIEW_CANVAS_X//window.innerWidth
    });

    canvasTripwire5 = new fabric.Canvas('CanvasTripwire5', {
        height: G_VIEW_CANVAS_Y,//window.innerHeight
        width: G_VIEW_CANVAS_X//window.innerWidth
    });

    canvasTripwire6 = new fabric.Canvas('CanvasTripwire6', {
        height: G_VIEW_CANVAS_Y,//window.innerHeight
        width: G_VIEW_CANVAS_X//window.innerWidth
    });

    canvasTripwire7 = new fabric.Canvas('CanvasTripwire7', {
        height: G_VIEW_CANVAS_Y,//window.innerHeight
        width: G_VIEW_CANVAS_X//window.innerWidth
    });

    canvasTripwire8 = new fabric.Canvas('CanvasTripwire8', {
        height: G_VIEW_CANVAS_Y,//window.innerHeight
        width: G_VIEW_CANVAS_X//window.innerWidth
    });

    canvasTripwire_default = new fabric.Canvas('CanvasTripwire_default', {
        height: G_VIEW_CANVAS_Y,//window.innerHeight
        width: G_VIEW_CANVAS_X//window.innerWidth
    });

    canvasTripwire_default.requestRenderAll();

    canvasTripwire_all = new fabric.Canvas('CanvasTripwire_all', {
        height: G_VIEW_CANVAS_Y,//window.innerHeight
        width: G_VIEW_CANVAS_X//window.innerWidth
    });
    /*
    var rectBox = new fabric.Rect({
        width: 100,
        height: 100,
        top: 200,
        left: 200,
        fill: '#ff0000',
        opacity: 0.5
    })
    */
    /*
    var polBox = new fabric.Polygon([
        { x: 200, y: 50 },
        { x: 200, y: 0 },
        { x: 250, y: 50 },
        { x: 250, y: 100 },
        { x: 150, y: 100 },
        { x: 150, y: 50 }], {
            left: 200,
            top: 200,
            angle: 0,
            fill: '#ff0000',
            opacity: 0.5
        }
    );
    canvasTripwire.add(polBox);
    */
    polygon_zone1 = new fabric.Polygon(mypoints1, {
        left: min_x1,
        top: min_y1,
        fill: 'transparent',
        strokeWidth: 2,
        stroke: '#ffff00',
        scaleX: 1,
        scaleY: 1,
        opacity: 0.7,
        objectCaching: false,
        transparentCorners: false,
        //cornerColor: '#ff0000',
    });

    polygon_zone2 = new fabric.Polygon(mypoints2, {
        left: min_x2,
        top: min_y2,
        fill: 'transparent',
        strokeWidth: 2,
        stroke: '#ffff00',
        scaleX: 1,
        scaleY: 1,
        opacity: 0.7,
        objectCaching: false,
        transparentCorners: false,
        //cornerColor: '#ff0000',
    });

    polygon_zone3 = new fabric.Polygon(mypoints3, {
        left: min_x3,
        top: min_y3,
        fill: 'transparent',
        strokeWidth: 2,
        stroke: '#ffff00',
        scaleX: 1,
        scaleY: 1,
        opacity: 0.7,
        objectCaching: false,
        transparentCorners: false,
        //cornerColor: '#ff0000',
    });

    polygon_zone4 = new fabric.Polygon(mypoints4, {
        left: min_x4,
        top: min_y4,
        fill: 'transparent',
        strokeWidth: 2,
        stroke: '#ffff00',
        scaleX: 1,
        scaleY: 1,
        opacity: 0.7,
        objectCaching: false,
        transparentCorners: false,
        //cornerColor: '#ff0000',
    });

    polygon_zone5 = new fabric.Polygon(mypoints5, {
        left: min_x5,
        top: min_y5,
        fill: 'transparent',
        strokeWidth: 2,
        stroke: '#ffff00',
        scaleX: 1,
        scaleY: 1,
        opacity: 0.7,
        objectCaching: false,
        transparentCorners: false,
        //cornerColor: '#ff0000',
    });

    polygon_zone6 = new fabric.Polygon(mypoints6, {
        left: min_x6,
        top: min_y6,
        fill: 'transparent',
        strokeWidth: 2,
        stroke: '#ffff00',
        scaleX: 1,
        scaleY: 1,
        opacity: 0.7,
        objectCaching: false,
        transparentCorners: false,
        //cornerColor: '#ff0000',
    });

    polygon_zone7 = new fabric.Polygon(mypoints7, {
        left: min_x7,
        top: min_y7,
        fill: 'transparent',
        strokeWidth: 2,
        stroke: '#ffff00',
        scaleX: 1,
        scaleY: 1,
        opacity: 0.7,
        objectCaching: false,
        transparentCorners: false,
        //cornerColor: '#ff0000',
    });

    polygon_zone8 = new fabric.Polygon(mypoints8, {
        left: min_x8,
        top: min_y8,
        fill: 'transparent',
        strokeWidth: 2,
        stroke: '#ffff00',
        scaleX: 1,
        scaleY: 1,
        opacity: 0.7,
        objectCaching: false,
        transparentCorners: false,
        //cornerColor: '#ff0000',
    });

    polygon_zone1.lockMovementX = true;	//Prevents horizontal movement
    polygon_zone1.lockMovementY = true;	//Prevents vertical movement
    polygon_zone2.lockMovementX = true;	//Prevents horizontal movement
    polygon_zone2.lockMovementY = true;	//Prevents vertical movement
    polygon_zone3.lockMovementX = true;	//Prevents horizontal movement
    polygon_zone3.lockMovementY = true;	//Prevents vertical movement
    polygon_zone4.lockMovementX = true;	//Prevents horizontal movement
    polygon_zone4.lockMovementY = true;	//Prevents vertical movement
    polygon_zone5.lockMovementX = true;	//Prevents horizontal movement
    polygon_zone5.lockMovementY = true;	//Prevents vertical movement
    polygon_zone6.lockMovementX = true;	//Prevents horizontal movement
    polygon_zone6.lockMovementY = true;	//Prevents vertical movement
    polygon_zone7.lockMovementX = true;	//Prevents horizontal movement
    polygon_zone7.lockMovementY = true;	//Prevents vertical movement
    polygon_zone8.lockMovementX = true;	//Prevents horizontal movement
    polygon_zone8.lockMovementY = true;	//Prevents vertical movement

    canvasTripwire1.add(polygon_zone1);
    canvasTripwire2.add(polygon_zone2);
    canvasTripwire3.add(polygon_zone3);
    canvasTripwire4.add(polygon_zone4);
    canvasTripwire5.add(polygon_zone5);
    canvasTripwire6.add(polygon_zone6);
    canvasTripwire7.add(polygon_zone7);
    canvasTripwire8.add(polygon_zone8);

    /*
    canvasTripwire1.add(AddArrowObject(mypoints1[3].x, mypoints1[3].y, mypoints1[2].x, mypoints1[2].y));
    canvasTripwire2.add(AddArrowObject(mypoints2[3].x, mypoints2[3].y, mypoints2[2].x, mypoints2[2].y));
    canvasTripwire3.add(AddArrowObject(mypoints3[3].x, mypoints3[3].y, mypoints3[2].x, mypoints3[2].y));
    canvasTripwire4.add(AddArrowObject(mypoints4[3].x, mypoints4[3].y, mypoints4[2].x, mypoints4[2].y));
*/
    /*
    canvasTripwire1.add(insertTextLabel_Orange(0, 0, 50, 50, ""));
    canvasTripwire1.add(insertTextLabel_Orange(0, 0, 50, 50, ""));
    canvasTripwire1.add(insertTextLabel_Orange(0, 0, 50, 50, ""));

    canvasTripwire2.add(insertTextLabel_Orange(0, 0, 50, 50, ""));
    canvasTripwire2.add(insertTextLabel_Orange(0, 0, 50, 50, ""));
    canvasTripwire2.add(insertTextLabel_Orange(0, 0, 50, 50, ""));

    canvasTripwire3.add(insertTextLabel_Orange(0, 0, 50, 50, ""));
    canvasTripwire3.add(insertTextLabel_Orange(0, 0, 50, 50, ""));
    canvasTripwire3.add(insertTextLabel_Orange(0, 0, 50, 50, ""));

    canvasTripwire4.add(insertTextLabel_Orange(0, 0, 50, 50, ""));
    canvasTripwire4.add(insertTextLabel_Orange(0, 0, 50, 50, ""));
    canvasTripwire4.add(insertTextLabel_Orange(0, 0, 50, 50, ""));
*/
    //polygon_zone.visible = false;
}

function GetPointLocation(zone_id) {
    if (zone_id === 0)
        return currentPointPosition1;
    else if (zone_id === 1)
        return currentPointPosition2;
    else if (zone_id === 2)
        return currentPointPosition3;
    else if (zone_id === 3)
        return currentPointPosition4;
    else if (zone_id === 4)
        return currentPointPosition5;
    else if (zone_id === 5)
        return currentPointPosition6;
    else if (zone_id === 6)
        return currentPointPosition7;
    else if (zone_id === 7)
        return currentPointPosition8;
}

function polygonPositionHandler(dim, finalMatrix, fabricObject) {
    var x = (fabricObject.points[this.pointIndex].x - fabricObject.pathOffset.x),
        y = (fabricObject.points[this.pointIndex].y - fabricObject.pathOffset.y);
    return fabric.util.transformPoint(
        { x: x, y: y },
        fabric.util.multiplyTransformMatrices(
            fabricObject.canvas.viewportTransform,
            fabricObject.calcTransformMatrix()
        )
    );
}

function isPointInLine(point, point2, linePoint1, linePoint2) {

    //判斷兩條線是否平行或者共線

    var denominator = (point.y - point2.y) * (linePoint1.x - linePoint2.x) - (point2.x - point.x) * (linePoint2.y - linePoint1.y);

    if (denominator == 0)

        return false;

    //獲取兩條線延伸後的交點座標

    var x = ((point.x - point2.x) * (linePoint1.x - linePoint2.x) * (linePoint2.y - point2.y) +

        (point.y - point2.y) * (linePoint1.x - linePoint2.x) * point2.x - (linePoint1.y - linePoint2.y) * (point.x - point2.x) * linePoint2.x) / denominator;

    var y = -((point.y - point2.y) * (linePoint1.y - linePoint2.y) * (linePoint2.x - point2.x) +

        (point.x - point2.x) * (linePoint1.y - linePoint2.y) * point2.y - (linePoint1.x - linePoint2.x) * (point.y - point2.y) * linePoint2.y) / denominator;

    //判斷交點是否線上段上

    if ((x - point2.x) * (x - point.x) <= 0 && (y - point2.y) * (y - point.y) <= 0 && (x - linePoint2.x) * (x - linePoint1.x) <= 0 && (y - linePoint2.y) * (y - linePoint1.y) <= 0)
        return true;
    return false;

}

// define a function that will define what the control does
// this function will be called on every mouse move after a control has been
// clicked and is being dragged.
// The function receive as argument the mouse event, the current trasnform object
// and the current position in canvas coordinate
// transform.target is a reference to the current object being transformed,
function func_actionHandler(eventData, transform, x, y) {
    var polygon = transform.target,
        currentControl = polygon.controls[polygon.__corner],
        mouseLocalPosition = polygon.toLocalPoint(new fabric.Point(x, y), 'center', 'center'),
        polygonBaseSize = polygon._getNonTransformedDimensions(),
        size = polygon._getTransformedDimensions(0, 0),
        finalPointPosition = {
            x: Math.round(mouseLocalPosition.x * polygonBaseSize.x / size.x + polygon.pathOffset.x),
            y: Math.round(mouseLocalPosition.y * polygonBaseSize.y / size.y + polygon.pathOffset.y)
        };

    if (finalPointPosition.x < 10) {
        finalPointPosition.x = 10;
    }

    if (finalPointPosition.x > MAX_WIDTH - 10) {
        finalPointPosition.x = MAX_WIDTH - 10;
    }

    if (finalPointPosition.y < 10) {
        finalPointPosition.y = 10;
    }

    if (finalPointPosition.y > MAX_HEIGHT - 10) {
        finalPointPosition.y = MAX_HEIGHT - 10;
    }

    var check_cross = 0;

    var max_size_of_points = g_enable_show_direction == 1 ? 4 : 6;

    var current_point_index = currentControl.pointIndex;
    var next_point_index = currentControl.pointIndex + 1 < max_size_of_points ? currentControl.pointIndex + 1 : 0;
    var last_point_index = currentControl.pointIndex - 1 >= 0 ? currentControl.pointIndex - 1 : max_size_of_points - 1;

    for (var i = 0; i < max_size_of_points; i++) {
        var current_index = i;
        var next_index = i + 1 < max_size_of_points ? i + 1 : 0;
        if (current_index != current_point_index && current_index != next_point_index && next_index != current_point_index && next_index != next_point_index) {
            if (isPointInLine(finalPointPosition, polygon.points[next_point_index], polygon.points[current_index], polygon.points[next_index])) {
                check_cross = 1;
            }
            if (isPointInLine(finalPointPosition, polygon.points[current_point_index], polygon.points[current_index], polygon.points[next_index])) {
                check_cross = 1;
            }
        }
    }
    for (var i = 0; i < max_size_of_points; i++) {
        var current_index = i;
        var last_index = i - 1 >= 0 ? i - 1 : max_size_of_points - 1;
        if (current_index != current_point_index && current_index != last_point_index && last_index != current_point_index && last_index != last_point_index) {
            if (isPointInLine(finalPointPosition, polygon.points[last_point_index], polygon.points[current_index], polygon.points[last_index])) {
                check_cross = 1;
            }
            if (isPointInLine(finalPointPosition, polygon.points[current_point_index], polygon.points[current_index], polygon.points[last_index])) {
                check_cross = 1;
            }
        }
    }

    if (Math.sqrt(Math.pow(finalPointPosition.x - polygon.points[current_point_index].x, 2) + Math.pow(finalPointPosition.y - polygon.points[current_point_index].y, 2)) >= MAX_MOVE_RADIUS) {
        check_cross = 1;
    }
    //console.log("polygon.pathOffset.x:" + polygon.pathOffset.x + "; polygon.pathOffset.y:" + polygon.pathOffset.y);

    if (check_cross == 0)
        polygon.points[currentControl.pointIndex] = finalPointPosition;

    return true;
}

function GetMaxWidth() {
    return MAX_WIDTH;
}

function GetMaxHeight() {
    return MAX_HEIGHT;
}
// define a function that can keep the polygon in the same position when we change its
// width/height/top/left.
function anchorWrapper1(anchorIndex, fn) {
    return function (eventData, transform, x, y) {
        var fabricObject = transform.target,
            absolutePoint = fabric.util.transformPoint({
                x: (fabricObject.points[anchorIndex].x - fabricObject.pathOffset.x),
                y: (fabricObject.points[anchorIndex].y - fabricObject.pathOffset.y),
            }, fabricObject.calcTransformMatrix()),
            actionPerformed = fn(eventData, transform, x, y),
            newDim = fabricObject._setPositionDimensions({}),
            polygonBaseSize = fabricObject._getNonTransformedDimensions(),
            newX = (fabricObject.points[anchorIndex].x - fabricObject.pathOffset.x) / polygonBaseSize.x,
            newY = (fabricObject.points[anchorIndex].y - fabricObject.pathOffset.y) / polygonBaseSize.y;
        //fabricObject.setPositionByOrigin(absolutePoint, newX + 0.5, newY + 0.5);
        fabricObject.setPositionByOrigin(absolutePoint, newX + 0.5, newY + 0.5);

        for (var index_point = 0; index_point < MAX_SIZE_POINTS; index_point++)
            currentPointPosition1[index_point] = fabricObject.points[index_point];

        if (g_enable_show_direction == 1) {
            currentPointPosition1[4].x = (currentPointPosition1[0].x * 1 + currentPointPosition1[3].x * 2) / 3;
            currentPointPosition1[4].y = (currentPointPosition1[0].y * 1 + currentPointPosition1[3].y * 2) / 3;
            currentPointPosition1[5].x = (currentPointPosition1[0].x * 2 + currentPointPosition1[3].x * 1) / 3;
            currentPointPosition1[5].y = (currentPointPosition1[0].y * 2 + currentPointPosition1[3].y * 1) / 3;
        }

        different_index = anchorIndex;
        show_pixels_for_zone();
        Edit_Arrow();
        return actionPerformed;
    }
}

function anchorWrapper2(anchorIndex, fn) {
    return function (eventData, transform, x, y) {
        var fabricObject = transform.target,
            absolutePoint = fabric.util.transformPoint({
                x: (fabricObject.points[anchorIndex].x - fabricObject.pathOffset.x),
                y: (fabricObject.points[anchorIndex].y - fabricObject.pathOffset.y),
            }, fabricObject.calcTransformMatrix()),
            actionPerformed = fn(eventData, transform, x, y),
            newDim = fabricObject._setPositionDimensions({}),
            polygonBaseSize = fabricObject._getNonTransformedDimensions(),
            newX = (fabricObject.points[anchorIndex].x - fabricObject.pathOffset.x) / polygonBaseSize.x,
            newY = (fabricObject.points[anchorIndex].y - fabricObject.pathOffset.y) / polygonBaseSize.y;
        fabricObject.setPositionByOrigin(absolutePoint, newX + 0.5, newY + 0.5);

        for (var index_point = 0; index_point < MAX_SIZE_POINTS; index_point++)
            currentPointPosition2[index_point] = fabricObject.points[index_point];

        if (g_enable_show_direction == 1) {
            currentPointPosition2[4].x = (currentPointPosition2[0].x * 1 + currentPointPosition2[3].x * 2) / 3;
            currentPointPosition2[4].y = (currentPointPosition2[0].y * 1 + currentPointPosition2[3].y * 2) / 3;
            currentPointPosition2[5].x = (currentPointPosition2[0].x * 2 + currentPointPosition2[3].x * 1) / 3;
            currentPointPosition2[5].y = (currentPointPosition2[0].y * 2 + currentPointPosition2[3].y * 1) / 3;
        }

        different_index = anchorIndex;
        show_pixels_for_zone();
        Edit_Arrow();
        return actionPerformed;
    }
}

function anchorWrapper3(anchorIndex, fn) {
    return function (eventData, transform, x, y) {
        var fabricObject = transform.target,
            absolutePoint = fabric.util.transformPoint({
                x: (fabricObject.points[anchorIndex].x - fabricObject.pathOffset.x),
                y: (fabricObject.points[anchorIndex].y - fabricObject.pathOffset.y),
            }, fabricObject.calcTransformMatrix()),
            actionPerformed = fn(eventData, transform, x, y),
            newDim = fabricObject._setPositionDimensions({}),
            polygonBaseSize = fabricObject._getNonTransformedDimensions(),
            newX = (fabricObject.points[anchorIndex].x - fabricObject.pathOffset.x) / polygonBaseSize.x,
            newY = (fabricObject.points[anchorIndex].y - fabricObject.pathOffset.y) / polygonBaseSize.y;
        fabricObject.setPositionByOrigin(absolutePoint, newX + 0.5, newY + 0.5);

        for (var index_point = 0; index_point < MAX_SIZE_POINTS; index_point++)
            currentPointPosition3[index_point] = fabricObject.points[index_point];

        if (g_enable_show_direction == 1) {
            currentPointPosition3[4].x = (currentPointPosition3[0].x * 1 + currentPointPosition3[3].x * 2) / 3;
            currentPointPosition3[4].y = (currentPointPosition3[0].y * 1 + currentPointPosition3[3].y * 2) / 3;
            currentPointPosition3[5].x = (currentPointPosition3[0].x * 2 + currentPointPosition3[3].x * 1) / 3;
            currentPointPosition3[5].y = (currentPointPosition3[0].y * 2 + currentPointPosition3[3].y * 1) / 3;
        }

        different_index = anchorIndex;
        show_pixels_for_zone();
        Edit_Arrow();
        return actionPerformed;
    }
}

function anchorWrapper4(anchorIndex, fn) {
    return function (eventData, transform, x, y) {
        var fabricObject = transform.target,
            absolutePoint = fabric.util.transformPoint({
                x: (fabricObject.points[anchorIndex].x - fabricObject.pathOffset.x),
                y: (fabricObject.points[anchorIndex].y - fabricObject.pathOffset.y),
            }, fabricObject.calcTransformMatrix()),
            actionPerformed = fn(eventData, transform, x, y),
            newDim = fabricObject._setPositionDimensions({}),
            polygonBaseSize = fabricObject._getNonTransformedDimensions(),
            newX = (fabricObject.points[anchorIndex].x - fabricObject.pathOffset.x) / polygonBaseSize.x,
            newY = (fabricObject.points[anchorIndex].y - fabricObject.pathOffset.y) / polygonBaseSize.y;
        fabricObject.setPositionByOrigin(absolutePoint, newX + 0.5, newY + 0.5);

        for (var index_point = 0; index_point < MAX_SIZE_POINTS; index_point++)
            currentPointPosition4[index_point] = fabricObject.points[index_point];

        if (g_enable_show_direction == 1) {
            currentPointPosition4[4].x = (currentPointPosition4[0].x * 1 + currentPointPosition4[3].x * 2) / 3;
            currentPointPosition4[4].y = (currentPointPosition4[0].y * 1 + currentPointPosition4[3].y * 2) / 3;
            currentPointPosition4[5].x = (currentPointPosition4[0].x * 2 + currentPointPosition4[3].x * 1) / 3;
            currentPointPosition4[5].y = (currentPointPosition4[0].y * 2 + currentPointPosition4[3].y * 1) / 3;
        }

        different_index = anchorIndex;
        show_pixels_for_zone();
        Edit_Arrow();
        return actionPerformed;
    }
}

function anchorWrapper5(anchorIndex, fn) {
    return function (eventData, transform, x, y) {
        var fabricObject = transform.target,
            absolutePoint = fabric.util.transformPoint({
                x: (fabricObject.points[anchorIndex].x - fabricObject.pathOffset.x),
                y: (fabricObject.points[anchorIndex].y - fabricObject.pathOffset.y),
            }, fabricObject.calcTransformMatrix()),
            actionPerformed = fn(eventData, transform, x, y),
            newDim = fabricObject._setPositionDimensions({}),
            polygonBaseSize = fabricObject._getNonTransformedDimensions(),
            newX = (fabricObject.points[anchorIndex].x - fabricObject.pathOffset.x) / polygonBaseSize.x,
            newY = (fabricObject.points[anchorIndex].y - fabricObject.pathOffset.y) / polygonBaseSize.y;
        fabricObject.setPositionByOrigin(absolutePoint, newX + 0.5, newY + 0.5);

        for (var index_point = 0; index_point < MAX_SIZE_POINTS; index_point++)
            currentPointPosition5[index_point] = fabricObject.points[index_point];
      
        if (g_enable_show_direction == 1) {
            currentPointPosition5[4].x = (currentPointPosition5[0].x * 1 + currentPointPosition5[3].x * 2) / 3;
            currentPointPosition5[4].y = (currentPointPosition5[0].y * 1 + currentPointPosition5[3].y * 2) / 3;
            currentPointPosition5[5].x = (currentPointPosition5[0].x * 2 + currentPointPosition5[3].x * 1) / 3;
            currentPointPosition5[5].y = (currentPointPosition5[0].y * 2 + currentPointPosition5[3].y * 1) / 3;
        }

        different_index = anchorIndex;
        show_pixels_for_zone();
        Edit_Arrow();
        return actionPerformed;
    }
}

function anchorWrapper6(anchorIndex, fn) {
    return function (eventData, transform, x, y) {
        var fabricObject = transform.target,
            absolutePoint = fabric.util.transformPoint({
                x: (fabricObject.points[anchorIndex].x - fabricObject.pathOffset.x),
                y: (fabricObject.points[anchorIndex].y - fabricObject.pathOffset.y),
            }, fabricObject.calcTransformMatrix()),
            actionPerformed = fn(eventData, transform, x, y),
            newDim = fabricObject._setPositionDimensions({}),
            polygonBaseSize = fabricObject._getNonTransformedDimensions(),
            newX = (fabricObject.points[anchorIndex].x - fabricObject.pathOffset.x) / polygonBaseSize.x,
            newY = (fabricObject.points[anchorIndex].y - fabricObject.pathOffset.y) / polygonBaseSize.y;
        fabricObject.setPositionByOrigin(absolutePoint, newX + 0.5, newY + 0.5);

        for (var index_point = 0; index_point < MAX_SIZE_POINTS; index_point++)
            currentPointPosition6[index_point] = fabricObject.points[index_point];

        if (g_enable_show_direction == 1) {
            currentPointPosition6[4].x = (currentPointPosition6[0].x * 1 + currentPointPosition6[3].x * 2) / 3;
            currentPointPosition6[4].y = (currentPointPosition6[0].y * 1 + currentPointPosition6[3].y * 2) / 3;
            currentPointPosition6[5].x = (currentPointPosition6[0].x * 2 + currentPointPosition6[3].x * 1) / 3;
            currentPointPosition6[5].y = (currentPointPosition6[0].y * 2 + currentPointPosition6[3].y * 1) / 3;
        }

        different_index = anchorIndex;
        show_pixels_for_zone();
        Edit_Arrow();
        return actionPerformed;
    }
}

function anchorWrapper7(anchorIndex, fn) {
    return function (eventData, transform, x, y) {
        var fabricObject = transform.target,
            absolutePoint = fabric.util.transformPoint({
                x: (fabricObject.points[anchorIndex].x - fabricObject.pathOffset.x),
                y: (fabricObject.points[anchorIndex].y - fabricObject.pathOffset.y),
            }, fabricObject.calcTransformMatrix()),
            actionPerformed = fn(eventData, transform, x, y),
            newDim = fabricObject._setPositionDimensions({}),
            polygonBaseSize = fabricObject._getNonTransformedDimensions(),
            newX = (fabricObject.points[anchorIndex].x - fabricObject.pathOffset.x) / polygonBaseSize.x,
            newY = (fabricObject.points[anchorIndex].y - fabricObject.pathOffset.y) / polygonBaseSize.y;
        fabricObject.setPositionByOrigin(absolutePoint, newX + 0.5, newY + 0.5);

        for (var index_point = 0; index_point < MAX_SIZE_POINTS; index_point++)
            currentPointPosition7[index_point] = fabricObject.points[index_point];

        if (g_enable_show_direction == 1) {
            currentPointPosition7[4].x = (currentPointPosition7[0].x * 1 + currentPointPosition7[3].x * 2) / 3;
            currentPointPosition7[4].y = (currentPointPosition7[0].y * 1 + currentPointPosition7[3].y * 2) / 3;
            currentPointPosition7[5].x = (currentPointPosition7[0].x * 2 + currentPointPosition7[3].x * 1) / 3;
            currentPointPosition7[5].y = (currentPointPosition7[0].y * 2 + currentPointPosition7[3].y * 1) / 3;
        }

        different_index = anchorIndex;
        show_pixels_for_zone();
        Edit_Arrow();
        return actionPerformed;
    }
}


function anchorWrapper8(anchorIndex, fn) {
    return function (eventData, transform, x, y) {
        var fabricObject = transform.target,
            absolutePoint = fabric.util.transformPoint({
                x: (fabricObject.points[anchorIndex].x - fabricObject.pathOffset.x),
                y: (fabricObject.points[anchorIndex].y - fabricObject.pathOffset.y),
            }, fabricObject.calcTransformMatrix()),
            actionPerformed = fn(eventData, transform, x, y),
            newDim = fabricObject._setPositionDimensions({}),
            polygonBaseSize = fabricObject._getNonTransformedDimensions(),
            newX = (fabricObject.points[anchorIndex].x - fabricObject.pathOffset.x) / polygonBaseSize.x,
            newY = (fabricObject.points[anchorIndex].y - fabricObject.pathOffset.y) / polygonBaseSize.y;
        fabricObject.setPositionByOrigin(absolutePoint, newX + 0.5, newY + 0.5);

        for (var index_point = 0; index_point < MAX_SIZE_POINTS; index_point++)
            currentPointPosition8[index_point] = fabricObject.points[index_point];

        if (g_enable_show_direction == 1) {
            currentPointPosition8[4].x = (currentPointPosition8[0].x * 1 + currentPointPosition8[3].x * 2) / 3;
            currentPointPosition8[4].y = (currentPointPosition8[0].y * 1 + currentPointPosition8[3].y * 2) / 3;
            currentPointPosition8[5].x = (currentPointPosition8[0].x * 2 + currentPointPosition8[3].x * 1) / 3;
            currentPointPosition8[5].y = (currentPointPosition8[0].y * 2 + currentPointPosition8[3].y * 1) / 3;
        }

        different_index = anchorIndex;
        show_pixels_for_zone();
        Edit_Arrow();
        return actionPerformed;
    }
}


var check_edit1 = 0;
var check_edit2 = 0;
var check_edit3 = 0;
var check_edit4 = 0;
var check_edit5 = 0;
var check_edit6 = 0;
var check_edit7 = 0;
var check_edit8 = 0;

function get_check_edit1() {
    return check_edit1;
}

function get_check_edit2() {
    return check_edit2;
}

function get_check_edit3() {
    return check_edit3;
}
function get_check_edit4() {
    return check_edit4;
}

function get_check_edit5() {
    return check_edit5;
}

function get_check_edit6() {
    return check_edit6;
}

function get_check_edit7() {
    return check_edit7;
}

function get_check_edit8() {
    return check_edit8;

function Edit1() {
    // clone what are you copying since you
    // may want copy and paste on different moment.
    // and you do not want the changes happened
    // later to reflect on the copy.
    var poly1 = canvasTripwire1.getObjects()[0];
    canvasTripwire1.setActiveObject(poly1);

    poly1.edit = !poly1.edit;
    if (poly1.edit) {
        var lastControl1 = poly1.points.length - 1;
        poly1.cornerStyle = 'circle';
        poly1.cornerColor = "rgba(108, 135, 212, 0.8)";
        poly1.cornerSize = 20;

        poly1.controls = poly1.points.reduce(function (acc1, point1, index1) {
            acc1['p' + index1] = new fabric.Control({
                positionHandler: polygonPositionHandler,
                actionHandler: anchorWrapper1(index1 > 0 ? index1 - 1 : lastControl1, func_actionHandler),
                actionName: 'modifyPolygon1',
                pointIndex: index1
            });
            return acc1;
        }, {});

        check_edit1 = 1;
    } else {
        //poly1.cornerColor = 'black';
        //poly1.cornerStyle = 'rect';
        //poly1.controls = fabric.Object.prototype.controls;
        poly1.controls = null;
        poly1.cornerColor = null;
        poly1.cornerStyle = null;

        check_edit1 = 0;
    }
    poly1.hasBorders = !poly1.edit;
    canvasTripwire1.requestRenderAll();
}

function Edit2() {
    // clone what are you copying since you
    // may want copy and paste on different moment.
    // and you do not want the changes happened
    // later to reflect on the copy.
    var poly2 = canvasTripwire2.getObjects()[0];
    canvasTripwire2.setActiveObject(poly2);

    poly2.edit = !poly2.edit;
    if (poly2.edit) {
        var lastControl2 = poly2.points.length - 1;
        poly2.cornerStyle = 'circle';
        poly2.cornerColor = "rgba(108, 135, 212, 0.8)";
        poly2.cornerSize = 20;

        poly2.controls = poly2.points.reduce(function (acc2, point2, index2) {
            acc2['p' + index2] = new fabric.Control({
                positionHandler: polygonPositionHandler,
                actionHandler: anchorWrapper2(index2 > 0 ? index2 - 1 : lastControl2, func_actionHandler),
                actionName: 'modifyPolygon2',
                pointIndex: index2
            });
            return acc2;
        }, {});

        check_edit2 = 1;
    } else {
        //poly2.cornerColor = 'black';
        //poly2.cornerStyle = 'rect';
        //poly2.controls = fabric.Object.prototype.controls;
        poly2.controls = null;
        poly2.cornerColor = null;
        poly2.cornerStyle = null;

        check_edit2 = 0;
    }
    poly2.hasBorders = !poly2.edit;
    canvasTripwire2.requestRenderAll();
}

function Edit3() {
    // clone what are you copying since you
    // may want copy and paste on different moment.
    // and you do not want the changes happened
    // later to reflect on the copy.
    var poly3 = canvasTripwire3.getObjects()[0];
    canvasTripwire3.setActiveObject(poly3);

    poly3.edit = !poly3.edit;
    if (poly3.edit) {
        var lastControl3 = poly3.points.length - 1;
        poly3.cornerStyle = 'circle';
        poly3.cornerColor = "rgba(108, 135, 212, 0.8)";
        poly3.cornerSize = 20;

        poly3.controls = poly3.points.reduce(function (acc3, point3, index3) {
            acc3['p' + index3] = new fabric.Control({
                positionHandler: polygonPositionHandler,
                actionHandler: anchorWrapper3(index3 > 0 ? index3 - 1 : lastControl3, func_actionHandler),
                actionName: 'modifyPolygon3',
                pointIndex: index3
            });
            return acc3;
        }, {});

        check_edit3 = 1;
    } else {
        //poly3.cornerColor = 'black';
        //poly3.cornerStyle = 'rect';
        //poly3.controls = fabric.Object.prototype.controls;
        poly3.controls = null;
        poly3.cornerColor = null;
        poly3.cornerStyle = null;

        check_edit3 = 0;
    }
    poly3.hasBorders = !poly3.edit;
    canvasTripwire3.requestRenderAll();
}

function Edit4() {
    // clone what are you copying since you
    // may want copy and paste on different moment.
    // and you do not want the changes happened
    // later to reflect on the copy.
    var poly4 = canvasTripwire4.getObjects()[0];
    canvasTripwire4.setActiveObject(poly4);

    poly4.edit = !poly4.edit;
    if (poly4.edit) {
        var lastControl4 = poly4.points.length - 1;
        poly4.cornerStyle = 'circle';
        poly4.cornerColor = "rgba(108, 135, 212, 0.8)";
        poly4.cornerSize = 20;

        poly4.controls = poly4.points.reduce(function (acc4, point4, index4) {
            acc4['p' + index4] = new fabric.Control({
                positionHandler: polygonPositionHandler,
                actionHandler: anchorWrapper4(index4 > 0 ? index4 - 1 : lastControl4, func_actionHandler),
                actionName: 'modifyPolygon4',
                pointIndex: index4
            });
            return acc4;
        }, {});

        check_edit4 = 1;
    } else {
        //poly4.cornerColor = 'black';
        //poly4.cornerStyle = 'rect';
        //poly4.controls = fabric.Object.prototype.controls;
        poly4.controls = null;
        poly4.cornerColor = null;
        poly4.cornerStyle = null;

        check_edit4 = 0;
    }
    poly4.hasBorders = !poly4.edit;
    canvasTripwire4.requestRenderAll();
}

function Edit5() {
    // clone what are you copying since you
    // may want copy and paste on different moment.
    // and you do not want the changes happened
    // later to reflect on the copy.
    var poly5 = canvasTripwire5.getObjects()[0];
    canvasTripwire5.setActiveObject(poly5);

    poly5.edit = !poly5.edit;
    if (poly5.edit) {
        var lastControl5 = poly5.points.length - 1;
        poly5.cornerStyle = 'circle';
        poly5.cornerColor = "rgba(108, 135, 212, 0.8)";
        poly5.cornerSize = 20;

        poly5.controls = poly5.points.reduce(function (acc5, point5, index5) {
            acc5['p' + index5] = new fabric.Control({
                positionHandler: polygonPositionHandler,
                actionHandler: anchorWrapper5(index5 > 0 ? index5 - 1 : lastControl5, func_actionHandler),
                actionName: 'modifyPolygon5',
                pointIndex: index5
            });
            return acc5;
        }, {});

        check_edit5 = 1;
    } else {
        //poly4.cornerColor = 'black';
        //poly4.cornerStyle = 'rect';
        //poly4.controls = fabric.Object.prototype.controls;
        poly5.controls = null;
        poly5.cornerColor = null;
        poly5.cornerStyle = null;

        check_edit5 = 0;
    }
    poly5.hasBorders = !poly5.edit;
    canvasTripwire5.requestRenderAll();
}

function Edit6() {
    // clone what are you copying since you
    // may want copy and paste on different moment.
    // and you do not want the changes happened
    // later to reflect on the copy.
    var poly6 = canvasTripwire6.getObjects()[0];
    canvasTripwire6.setActiveObject(poly6);

    poly6.edit = !poly6.edit;
    if (poly6.edit) {
        var lastControl6 = poly6.points.length - 1;
        poly6.cornerStyle = 'circle';
        poly6.cornerColor = "rgba(108, 135, 212, 0.8)";
        poly6.cornerSize = 20;

        poly6.controls = poly6.points.reduce(function (acc6, point6, index6) {
            acc6['p' + index6] = new fabric.Control({
                positionHandler: polygonPositionHandler,
                actionHandler: anchorWrapper6(index6 > 0 ? index6 - 1 : lastControl6, func_actionHandler),
                actionName: 'modifyPolygon6',
                pointIndex: index6
            });
            return acc6;
        }, {});

        check_edit6 = 1;
    } else {
        //poly4.cornerColor = 'black';
        //poly4.cornerStyle = 'rect';
        //poly4.controls = fabric.Object.prototype.controls;
        poly6.controls = null;
        poly6.cornerColor = null;
        poly6.cornerStyle = null;

        check_edit6 = 0;
    }
    poly6.hasBorders = !poly6.edit;
    canvasTripwire6.requestRenderAll();
}

function Edit7() {
    // clone what are you copying since you
    // may want copy and paste on different moment.
    // and you do not want the changes happened
    // later to reflect on the copy.
    var poly7 = canvasTripwire7.getObjects()[0];
    canvasTripwire7.setActiveObject(poly7);

    poly7.edit = !poly7.edit;
    if (poly7.edit) {
        var lastControl7 = poly7.points.length - 1;
        poly7.cornerStyle = 'circle';
        poly7.cornerColor = "rgba(108, 135, 212, 0.8)";
        poly7.cornerSize = 20;

        poly7.controls = poly7.points.reduce(function (acc7, point7, index7) {
            acc7['p' + index7] = new fabric.Control({
                positionHandler: polygonPositionHandler,
                actionHandler: anchorWrapper7(index7 > 0 ? index7 - 1 : lastControl7, func_actionHandler),
                actionName: 'modifyPolygon7',
                pointIndex: index7
            });
            return acc7;
        }, {});

        check_edit7 = 1;
    } else {
        //poly4.cornerColor = 'black';
        //poly4.cornerStyle = 'rect';
        //poly4.controls = fabric.Object.prototype.controls;
        poly7.controls = null;
        poly7.cornerColor = null;
        poly7.cornerStyle = null;

        check_edit7 = 0;
    }
    poly7.hasBorders = !poly7.edit;
    canvasTripwire7.requestRenderAll();
}

function Edit8() {
    // clone what are you copying since you
    // may want copy and paste on different moment.
    // and you do not want the changes happened
    // later to reflect on the copy.
    var poly8 = canvasTripwire8.getObjects()[0];
    canvasTripwire8.setActiveObject(poly8);

    poly8.edit = !poly8.edit;
    if (poly8.edit) {
        var lastControl8 = poly8.points.length - 1;
        poly8.cornerStyle = 'circle';
        poly8.cornerColor = "rgba(108, 135, 212, 0.8)";
        poly8.cornerSize = 20;

        poly8.controls = poly8.points.reduce(function (acc8, point8, index8) {
            acc8['p' + index8] = new fabric.Control({
                positionHandler: polygonPositionHandler,
                actionHandler: anchorWrapper8(index8 > 0 ? index8 - 1 : lastControl8, func_actionHandler),
                actionName: 'modifyPolygon8',
                pointIndex: index8
            });
            return acc8;
        }, {});

        check_edit8 = 1;
    } else {
        //poly4.cornerColor = 'black';
        //poly4.cornerStyle = 'rect';
        //poly4.controls = fabric.Object.prototype.controls;
        poly8.controls = null;
        poly8.cornerColor = null;
        poly8.cornerStyle = null;

        check_edit8 = 0;
    }
    poly8.hasBorders = !poly8.edit;
    canvasTripwire8.requestRenderAll();
}

function GetAnpr() {
    
    if (canvasTripwire_all && canvasTripwire && canvasTripwire1 && canvasTripwire2 && canvasTripwire3 && canvasTripwire4 && canvasTripwire5 && canvasTripwire6 && canvasTripwire7 && canvasTripwire8) {
        if (!!data_anpr) {
            var complete_data = "";
            complete_data = complete_data.concat(data_anpr);

            n1 = complete_data.indexOf('{"AiEngine"');
            //n2 = complete_data.indexOf('"Count":');
            n2_temp = complete_data.indexOf('"Count"');
            n2 = complete_data.indexOf('}', n2_temp);

            var max_protected_objects = 1;
            if (n1 > 0 && n2_temp > 0 && n2 > 0 && (n1 + 7) < n2_temp && n2_temp < n2) {
                wait_count = 0;
                clear_count = 0;

                datas = complete_data.split(/\r\n|\r/);
                complete_data = "";

                for (var i = datas.length - 1; i >= 0; i--) {

                    if (datas[i].length > 12 && datas[i].substring(0, 12) == '{"AiEngine":' && datas[i].length < 8192 * 8) {
                        //datas[i].replace(/\\'/g, "'");
                        //datas[i].replace('\"', '"');
                        datas[i].replace('\n', '');
                        datas[i].replace('\r', '');
                        datas[i].replace('\t', '');
                        datas[i].replace('\\', '');

                        //var alarm_test = '{"AiEngine":[{"id":0,"channel_id":1,"camera_name":"","res_height":1080,"res_width":1920,"confidence":59,"engine_type":1,"label_name":"car","class_id":2,"obj_type":0,"obj_tracking_id":1,"obj_dwell_time":23,"color_id":0,"color":"","linked_plate":"","x":83,"y":136,"w":215,"h":168,"parent_idx":-1,"behavior_id":0},{"id":1,"channel_id":1,"camera_name":"","res_height":1080,"res_width":1920,"confidence":43,"engine_type":1,"label_name":"car","class_id":2,"obj_type":0,"obj_tracking_id":2,"obj_dwell_time":23,"color_id":0,"color":"","linked_plate":"","x":158,"y":538,"w":218,"h":144,"parent_idx":-1,"behavior_id":0},{"id":2,"channel_id":1,"camera_name":"","res_height":1080,"res_width":1920,"confidence":82,"engine_type":1,"label_name":"car","class_id":2,"obj_type":0,"obj_tracking_id":3,"obj_dwell_time":23,"color_id":0,"color":"","linked_plate":"","x":342,"y":175,"w":321,"h":196,"parent_idx":-1,"behavior_id":0},{"id":3,"channel_id":1,"camera_name":"","res_height":1080,"res_width":1920,"confidence":49,"engine_type":1,"label_name":"car","class_id":2,"obj_type":0,"obj_tracking_id":6,"obj_dwell_time":23,"color_id":0,"color":"","linked_plate":"","x":362,"y":578,"w":253,"h":132,"parent_idx":-1,"behavior_id":0},{"id":4,"channel_id":1,"camera_name":"","res_height":1080,"res_width":1920,"confidence":69,"engine_type":1,"label_name":"car","class_id":2,"obj_type":0,"obj_tracking_id":4,"obj_dwell_time":23,"color_id":0,"color":"","linked_plate":"","x":714,"y":608,"w":239,"h":130,"parent_idx":-1,"behavior_id":0},{"id":5,"channel_id":1,"camera_name":"","res_height":1080,"res_width":1920,"confidence":31,"engine_type":1,"label_name":"car","class_id":2,"obj_type":0,"obj_tracking_id":5,"obj_dwell_time":23,"color_id":0,"color":"","linked_plate":"","x":1035,"y":663,"w":340,"h":179,"parent_idx":-1,"behavior_id":0}],"Count":6}';
                        //ai_json = JSON.parse(alarm_test);

                        var temp = null;
                        temp = datas[i].slice();

                        //ai_json = JSON.parse(temp);
                        ai_json = validatingJSON(temp);


                        datas[i] = null;

                        break;
                    }
                }


                var AI_fps = ai_json.AI_fps;
                localStorage.setItem('AI_fps', AI_fps);
                var red_light = ai_json.red_light;
                if (ai_json != null) {
                    bbox_count = ai_json.Count;
                }
                else {
                    bbox_count = 0;
                }

                plate_count = 0;
                plate_idx = 0;

                RefreshCanvasObject(max_protected_objects);

                if (red_light == 1) {
                    canvasTripwire_all.add(insertTextLabel_Red(10, MAX_HEIGHT - 25, 50, 50, "FPS:" + AI_fps.toString() + ",Red:" + red_light.toString()));
                    canvasTripwire.add(insertTextLabel_Red(10, MAX_HEIGHT - 25, 50, 50, "FPS:" + AI_fps.toString() + ",Red:" + red_light.toString()));
                    canvasTripwire1.add(insertTextLabel_Red(10, MAX_HEIGHT - 25, 50, 50, "FPS:" + AI_fps.toString() + ",Red:" + red_light.toString()));
                    canvasTripwire2.add(insertTextLabel_Red(10, MAX_HEIGHT - 25, 50, 50, "FPS:" + AI_fps.toString() + ",Red:" + red_light.toString()));
                    canvasTripwire3.add(insertTextLabel_Red(10, MAX_HEIGHT - 25, 50, 50, "FPS:" + AI_fps.toString() + ",Red:" + red_light.toString()));
                    canvasTripwire4.add(insertTextLabel_Red(10, MAX_HEIGHT - 25, 50, 50, "FPS:" + AI_fps.toString() + ",Red:" + red_light.toString()));
                    canvasTripwire5.add(insertTextLabel_Red(10, MAX_HEIGHT - 50, 50, 50, "FPS:" + AI_fps.toString() + ",Red:" + red_light.toString()));
                    canvasTripwire6.add(insertTextLabel_Red(10, MAX_HEIGHT - 50, 50, 50, "FPS:" + AI_fps.toString() + ",Red:" + red_light.toString()));
                    canvasTripwire7.add(insertTextLabel_Red(10, MAX_HEIGHT - 50, 50, 50, "FPS:" + AI_fps.toString() + ",Red:" + red_light.toString()));
                    canvasTripwire8.add(insertTextLabel_Red(10, MAX_HEIGHT - 50, 50, 50, "FPS:" + AI_fps.toString() + ",Red:" + red_light.toString()));
                }
                else {
                    canvasTripwire_all.add(insertTextLabel_Red(10, MAX_HEIGHT - 25, 50, 50, "FPS:" + AI_fps.toString()));
                    canvasTripwire.add(insertTextLabel_Red(10, MAX_HEIGHT - 25, 50, 50, "FPS:" + AI_fps.toString()));
                    canvasTripwire1.add(insertTextLabel_Red(10, MAX_HEIGHT - 25, 50, 50, "FPS:" + AI_fps.toString()));
                    canvasTripwire2.add(insertTextLabel_Red(10, MAX_HEIGHT - 25, 50, 50, "FPS:" + AI_fps.toString()));
                    canvasTripwire3.add(insertTextLabel_Red(10, MAX_HEIGHT - 25, 50, 50, "FPS:" + AI_fps.toString()));
                    canvasTripwire4.add(insertTextLabel_Red(10, MAX_HEIGHT - 25, 50, 50, "FPS:" + AI_fps.toString()));
                    canvasTripwire5.add(insertTextLabel_Red(10, MAX_HEIGHT - 25, 50, 50, "FPS:" + AI_fps.toString()));
                    canvasTripwire6.add(insertTextLabel_Red(10, MAX_HEIGHT - 25, 50, 50, "FPS:" + AI_fps.toString()));
                    canvasTripwire7.add(insertTextLabel_Red(10, MAX_HEIGHT - 25, 50, 50, "FPS:" + AI_fps.toString()));
                    canvasTripwire8.add(insertTextLabel_Red(10, MAX_HEIGHT - 25, 50, 50, "FPS:" + AI_fps.toString()));
                }

                for (var i = 0; i < bbox_count; i++) {
                    if (ai_json.AiEngine[i]) {

                        //console.log("ai_json.AiEngine[i] = " + ai_json.AiEngine[i]); //a113n
                        //console.log("[a113n] " + ai_json.AiEngine[i].toString()) //a113n

                        if (ai_json.AiEngine[i].parent_idx == -1) {
                            if (ai_json.AiEngine[i].label_name == "L._Plate_USA" ||
                                ai_json.AiEngine[i].label_name == "L._Plate_MAC/MYS" ||
                                ai_json.AiEngine[i].label_name == "L._Plate_VNM" ||
                                ai_json.AiEngine[i].label_name == "L._Plate_EUR" ||
                                ai_json.AiEngine[i].label_name == "L._Plate_GBR" ||
                                ai_json.AiEngine[i].label_name == "L._Plate_JPN" ||
                                ai_json.AiEngine[i].label_name == "L._Plate_THA" ||
                                ai_json.AiEngine[i].label_name == "L._Plate_IDN" ||
                                ai_json.AiEngine[i].label_name == "L._Plate_IDN2" ||
                                ai_json.AiEngine[i].label_name == "L._Plate_BGD" ||
                                ai_json.AiEngine[i].label_name == "L._Plate_MEA" ||
                                ai_json.AiEngine[i].label_name == "L._Plate_PHL" ||
                                ai_json.AiEngine[i].label_name == "L._Plate_AUS" ||
                                ai_json.AiEngine[i].label_name == "L._Plate_CNT_1LINE" ||
                                ai_json.AiEngine[i].label_name == "L._Plate_CNT_2LINES" ||
                                ai_json.AiEngine[i].label_name == "L._Plate_CNT_3LINES" ||
                                ai_json.AiEngine[i].label_name == "L._Plate_CNT_VERTICAL" ||
                                ai_json.AiEngine[i].label_name == "L._Plate_CNT_USDOT" ||
                                ai_json.AiEngine[i].label_name == "ambulance" ||
                                ai_json.AiEngine[i].label_name == "face" ||
                                ai_json.AiEngine[i].label_name == "blank" ||
                                ai_json.AiEngine[i].label_name == "stop_sign" ||
                                ai_json.AiEngine[i].label_name == "qrcode" ||
                                ai_json.AiEngine[i].label_name == "barcode" ||
                                ai_json.AiEngine[i].label_name == "L._Plate_TWN") {

                                if (ai_json.AiEngine[i].properties) {
                                    if (ai_json.AiEngine[i].properties.plate) {
                                        var plate_name = "";
                                        if (ai_json.AiEngine[i].label_name == "ambulance")
                                            plate_name = plate_name.concat(ai_json.AiEngine[i].label_name);
                                        else if (ai_json.AiEngine[i].label_name == "blank")
                                            plate_name = plate_name.concat(ai_json.AiEngine[i].label_name);
                                        else if (ai_json.AiEngine[i].label_name == "stop_sign")
                                            plate_name = plate_name.concat(ai_json.AiEngine[i].label_name);
                                        else
                                            plate_name = plate_name.concat(ai_json.AiEngine[i].properties.plate);
                                        /*
                                        plate_name = plate_name.replace(/[「」‘’']/g, '');
                                        if (plate_name === '' || plate_name === '0') {
                                            continue;
                                        }*/
                                        //console.log("plate_name: " + plate_name);

                                        if (ai_json.AiEngine[i].behavior_id > 0 || localStorage.getItem("enable_only_once_to_post") == "No") {
                                            push_lpr(plate_name, ai_json.AiEngine[i].properties.area, ai_json.AiEngine[i].confidence.toString() + "%", COLOR_ARRAY[ai_json.AiEngine[i].color_id], COLOR_ARRAY[ai_json.AiEngine[i].sec_color_id], ai_json.AiEngine[i].car_type_name, ai_json.AiEngine[i].center_direction);
                                            
                                            if (("LPR_BMP" in ai_json.AiEngine[i])) {
                                                push_LPBMP(ai_json.AiEngine[i]);
                                                set_lpr_content(get_lprimgnum()); // get_lprimgnum() returns the last index of img in LPBMP_Array
                                            }

                                        }

                                        var face_data = ai_json.AiEngine[i];
                                        var face_name = face_data.face_name;
                                        var face_image = face_data.face_image;
                                        var face_score = face_data.face_score;
                                        var face_trackingID = face_data.face_trackingId;
                                        var face_tracking_uuid = face_data.face_tracking_uuid;
                                        var face_tracking_state = face_data.face_tracking_state;
                                        var face_detection_confidence = face_data.face_detection_confidence;

                                        // 建立一個人臉資料物件
                                        var face_info = {
                                            name: face_name,
                                            image: face_image,
                                            score: face_score,
                                            trackingID: face_trackingID,
                                            trackinguuid: face_tracking_uuid,
                                            trackingState: face_tracking_state,
                                            detectionconfidence: face_detection_confidence,
                                            time: getFormattedTime()
                                        };

                                        // 呼叫 onDBSelect
                                        onDBSelect("watch", face_name, face_info);
                                        onDBSelect("vip", face_name, face_info);

                                        /*console.log(`Name: ${face_info.name}, Score: ${face_info.score}, 
                                        TrackingID: ${face_info.trackingID}, Tracking_uuid: ${face_info.trackingUUID}, Status: ${face_info.trackingState},
                                        Detection_confidence: ${face_info.detectionconfidence}, User: ${face_info.user}, 
                                        Gruop: ${face_info.group}, DBImagePath: ${face_info.imagepath}, Time: ${face_info.time}`);
                                        */
                                        // 在處理完成後呼叫 SetCroppedFaceImage
                                        SetCroppedFaceImage();

                                        AssignPlateObject(ai_json, i, plate_name);                                       
                                    }
                                }
                            }
                        }
                    }
                }
                RenderAllCanvas();

                ai_json = null;
            }
            else {
                wait_count++;
                if (wait_count >= 3) {
                    wait_count = 0;
                    complete_data = "";
                }

                clear_count++;
                if (clear_count >= 3) {
                    clear_count = 0;
                    RefreshCanvasObject(max_protected_objects);
                }
            }
        }
    }
}

function AssignPlateObject(ai_json, i_index, plate_name) {
    var x = parseInt(ai_json.AiEngine[i_index].x, 10);
    var y = parseInt(ai_json.AiEngine[i_index].y, 10);
    var w = parseInt(ai_json.AiEngine[i_index].w, 10);
    var h = parseInt(ai_json.AiEngine[i_index].h, 10);
    var text_y = parseInt((ai_json.AiEngine[i_index].y + ai_json.AiEngine[i_index].h), 10);
    //console.log(text_y);
    /*if (x * 0.25 <= 20) {
        x = 80;
    }
    else if (x * 0.25 >= 460) {
        x = 1840;
    }

    if (y * 0.3 <= 20) {
        y = 66;
    }
    else if (y * 0.3 >= 300) {
        y = 999;
    }

    if (x * 0.25 + w * 0.25 >= 460) {
        w = parseInt((460 - x * 0.25) * 4, 10);
    }

    if (y * 0.3 + h * 0.3 >= 300) {
        h = parseInt((300 - y * 0.3) * 3.33, 10);
    }*/

    text_y = y - 66;

    var area_name = "";
    var country_name = "";
    var out_label = "";

    if (ai_json.AiEngine[i_index].label_name == "L._Plate_USA" ||
        ai_json.AiEngine[i_index].label_name == "L._Plate_THA" ||
        ai_json.AiEngine[i_index].label_name == "L._Plate_BGD" ||
        ai_json.AiEngine[i_index].label_name == "L._Plate_MEA" || 
        ai_json.AiEngine[i_index].label_name == "L._Plate_AUS" || 
        ai_json.AiEngine[i_index].label_name == "L._Plate_EUR" || 
        ai_json.AiEngine[i_index].label_name == "L._Plate_JPN") {
        area_name = area_name.concat(ai_json.AiEngine[i_index].properties.area);
        country_name = country_name.concat(ai_json.AiEngine[i_index].properties.country);
        out_label = out_label.concat(plate_name, ", ", area_name, " ", country_name);
    }

    if (canvasTripwire && canvasTripwire1 && canvasTripwire2 && canvasTripwire3 && canvasTripwire4 && canvasTripwire5 && canvasTripwire6 && canvasTripwire7 && canvasTripwire8) {
        canvasTripwire.add(insertTrafficLightRectangle(x * 0.25, y * 0.3, w * 0.25, h * 0.3, 1, 1));
        canvasTripwire1.add(insertTrafficLightRectangle(x * 0.25, y * 0.3, w * 0.25, h * 0.3, 1, 1));
        canvasTripwire2.add(insertTrafficLightRectangle(x * 0.25, y * 0.3, w * 0.25, h * 0.3, 1, 1));
        canvasTripwire3.add(insertTrafficLightRectangle(x * 0.25, y * 0.3, w * 0.25, h * 0.3, 1, 1));
        canvasTripwire4.add(insertTrafficLightRectangle(x * 0.25, y * 0.3, w * 0.25, h * 0.3, 1, 1));
        canvasTripwire5.add(insertTrafficLightRectangle(x * 0.25, y * 0.3, w * 0.25, h * 0.3, 1, 1));
        canvasTripwire6.add(insertTrafficLightRectangle(x * 0.25, y * 0.3, w * 0.25, h * 0.3, 1, 1));
        canvasTripwire7.add(insertTrafficLightRectangle(x * 0.25, y * 0.3, w * 0.25, h * 0.3, 1, 1));
        canvasTripwire8.add(insertTrafficLightRectangle(x * 0.25, y * 0.3, w * 0.25, h * 0.3, 1, 1));
        canvasTripwire_all.add(insertTrafficLightRectangle(x * 0.25, y * 0.3, w * 0.25, h * 0.3, 1, 1));

        var behavior_id = ai_json.AiEngine[i_index].behavior_id;
        if (ai_json.AiEngine[i_index].label_name == "L._Plate_USA" ||
            ai_json.AiEngine[i_index].label_name == "L._Plate_THA" ||
            ai_json.AiEngine[i_index].label_name == "L._Plate_BGD" ||
            ai_json.AiEngine[i_index].label_name == "L._Plate_MEA" || 
            ai_json.AiEngine[i_index].label_name == "L._Plate_AUS" || 
            ai_json.AiEngine[i_index].label_name == "L._Plate_EUR" || 
            ai_json.AiEngine[i_index].label_name == "L._Plate_JPN") {
            if (behavior_id >= 1) {
                canvasTripwire.add(insertTextLabel_Red(x * 0.25, text_y * 0.3, 50, 50, out_label + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire1.add(insertTextLabel_Red(x * 0.25, text_y * 0.3, 50, 50, out_label + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire2.add(insertTextLabel_Red(x * 0.25, text_y * 0.3, 50, 50, out_label + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire3.add(insertTextLabel_Red(x * 0.25, text_y * 0.3, 50, 50, out_label + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire4.add(insertTextLabel_Red(x * 0.25, text_y * 0.3, 50, 50, out_label + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire5.add(insertTextLabel_Red(x * 0.25, text_y * 0.3, 50, 50, out_label + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire6.add(insertTextLabel_Red(x * 0.25, text_y * 0.3, 50, 50, out_label + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire7.add(insertTextLabel_Red(x * 0.25, text_y * 0.3, 50, 50, out_label + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire8.add(insertTextLabel_Red(x * 0.25, text_y * 0.3, 50, 50, out_label + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire_all.add(insertTextLabel_Red(x * 0.25, text_y * 0.3, 50, 50, out_label + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
            }
            else {
                canvasTripwire.add(insertTextLabel(x * 0.25, text_y * 0.3, 50, 50, out_label + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire1.add(insertTextLabel(x * 0.25, text_y * 0.3, 50, 50, out_label + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire2.add(insertTextLabel(x * 0.25, text_y * 0.3, 50, 50, out_label + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire3.add(insertTextLabel(x * 0.25, text_y * 0.3, 50, 50, out_label + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire4.add(insertTextLabel(x * 0.25, text_y * 0.3, 50, 50, out_label + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire5.add(insertTextLabel(x * 0.25, text_y * 0.3, 50, 50, out_label + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire6.add(insertTextLabel(x * 0.25, text_y * 0.3, 50, 50, out_label + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire7.add(insertTextLabel(x * 0.25, text_y * 0.3, 50, 50, out_label + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire8.add(insertTextLabel(x * 0.25, text_y * 0.3, 50, 50, out_label + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire_all.add(insertTextLabel(x * 0.25, text_y * 0.3, 50, 50, out_label + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
            }
        }
        else {
            if (behavior_id >= 1) {
                canvasTripwire.add(insertTextLabel_Red(x * 0.25, text_y * 0.3, 50, 50, plate_name + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire1.add(insertTextLabel_Red(x * 0.25, text_y * 0.3, 50, 50, plate_name + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire2.add(insertTextLabel_Red(x * 0.25, text_y * 0.3, 50, 50, plate_name + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire3.add(insertTextLabel_Red(x * 0.25, text_y * 0.3, 50, 50, plate_name + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire4.add(insertTextLabel_Red(x * 0.25, text_y * 0.3, 50, 50, plate_name + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire5.add(insertTextLabel_Red(x * 0.25, text_y * 0.3, 50, 50, plate_name + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire6.add(insertTextLabel_Red(x * 0.25, text_y * 0.3, 50, 50, plate_name + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire7.add(insertTextLabel_Red(x * 0.25, text_y * 0.3, 50, 50, plate_name + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire8.add(insertTextLabel_Red(x * 0.25, text_y * 0.3, 50, 50, plate_name + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire_all.add(insertTextLabel_Red(x * 0.25, text_y * 0.3, 50, 50, plate_name + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
            }
            else {
                canvasTripwire.add(insertTextLabel(x * 0.25, text_y * 0.3, 50, 50, plate_name + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire1.add(insertTextLabel(x * 0.25, text_y * 0.3, 50, 50, plate_name + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire2.add(insertTextLabel(x * 0.25, text_y * 0.3, 50, 50, plate_name + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire3.add(insertTextLabel(x * 0.25, text_y * 0.3, 50, 50, plate_name + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire4.add(insertTextLabel(x * 0.25, text_y * 0.3, 50, 50, plate_name + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire5.add(insertTextLabel(x * 0.25, text_y * 0.3, 50, 50, plate_name + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire6.add(insertTextLabel(x * 0.25, text_y * 0.3, 50, 50, plate_name + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire7.add(insertTextLabel(x * 0.25, text_y * 0.3, 50, 50, plate_name + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire8.add(insertTextLabel(x * 0.25, text_y * 0.3, 50, 50, plate_name + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
                canvasTripwire_all.add(insertTextLabel(x * 0.25, text_y * 0.3, 50, 50, plate_name + ", " + ai_json.AiEngine[i_index].confidence.toString() + "%"));
            }
        }
    }
}

function RenderAllCanvas() {
    if (canvasTripwire) {
        canvasTripwire.renderAll();
    }
    if (canvasTripwire1) {
        canvasTripwire1.renderAll();
    }
    if (canvasTripwire2) {
        canvasTripwire2.renderAll();
    }
    if (canvasTripwire3) {
        canvasTripwire3.renderAll();
    }
    if (canvasTripwire4) {
        canvasTripwire4.renderAll();
    }
    if (canvasTripwire5) {
        canvasTripwire5.renderAll();
    }
    if (canvasTripwire6) {
        canvasTripwire6.renderAll();
    }
    if (canvasTripwire7) {
        canvasTripwire7.renderAll();
    }
    if (canvasTripwire8) {
        canvasTripwire8.renderAll();
    }
    if (canvasTripwire_all) {
        canvasTripwire_all.renderAll();
    }
}

function RefreshCanvasObject(max_protected_objects) {
    if (typeof canvasTripwire !== 'undefined') {
        //Clear all objects
        while (canvasTripwire.getObjects().length > 0) {
            var items = canvasTripwire.getObjects();
            if (items[canvasTripwire.getObjects().length - 1]) {
                canvasTripwire.remove(items[canvasTripwire.getObjects().length - 1]);
            }
        }
    }
    
    if (typeof canvasTripwire1 !== 'undefined') {
        //Clear all objects
        while (canvasTripwire1.getObjects().length > max_protected_objects) {
            var items = canvasTripwire1.getObjects();
            if (items[canvasTripwire1.getObjects().length - 1]) {
                canvasTripwire1.remove(items[canvasTripwire1.getObjects().length - 1]);
            }
        }
        canvasTripwire1.getObjects()[0].stroke = "#ffff00";
    }


    if (typeof canvasTripwire2 !== 'undefined') {
        //Clear all objects
        while (canvasTripwire2.getObjects().length > max_protected_objects) {
            var items = canvasTripwire2.getObjects();
            if (items[canvasTripwire2.getObjects().length - 1]) {
                canvasTripwire2.remove(items[canvasTripwire2.getObjects().length - 1]);
            }
        }
        canvasTripwire2.getObjects()[0].stroke = "#ffff00";
    }


    if (typeof canvasTripwire3 !== 'undefined') {
        //Clear all objects
        while (canvasTripwire3.getObjects().length > max_protected_objects) {
            var items = canvasTripwire3.getObjects();
            if (items[canvasTripwire3.getObjects().length - 1]) {
                canvasTripwire3.remove(items[canvasTripwire3.getObjects().length - 1]);
            }
        }
        canvasTripwire3.getObjects()[0].stroke = "#ffff00";
    }

    if (typeof canvasTripwire4 !== 'undefined') {
        //Clear all objects
        while (canvasTripwire4.getObjects().length > max_protected_objects) {
            var items = canvasTripwire4.getObjects();
            if (items[canvasTripwire4.getObjects().length - 1]) {
                canvasTripwire4.remove(items[canvasTripwire4.getObjects().length - 1]);
            }
        }
        canvasTripwire4.getObjects()[0].stroke = "#ffff00";
    }


    if (typeof canvasTripwire5 !== 'undefined') {
        //Clear all objects
        while (canvasTripwire5.getObjects().length > max_protected_objects) {
            var items = canvasTripwire5.getObjects();
            if (items[canvasTripwire5.getObjects().length - 1]) {
                canvasTripwire5.remove(items[canvasTripwire5.getObjects().length - 1]);
            }
        }
        canvasTripwire5.getObjects()[0].stroke = "#ffff00";
    }

    if (typeof canvasTripwire6 !== 'undefined') {
        //Clear all objects
        while (canvasTripwire6.getObjects().length > max_protected_objects) {
            var items = canvasTripwire6.getObjects();
            if (items[canvasTripwire6.getObjects().length - 1]) {
                canvasTripwire6.remove(items[canvasTripwire6.getObjects().length - 1]);
            }
        }
        canvasTripwire6.getObjects()[0].stroke = "#ffff00";
    }

    if (typeof canvasTripwire7 !== 'undefined') {
        //Clear all objects
        while (canvasTripwire7.getObjects().length > max_protected_objects) {
            var items = canvasTripwire7.getObjects();
            if (items[canvasTripwire7.getObjects().length - 1]) {
                canvasTripwire7.remove(items[canvasTripwire7.getObjects().length - 1]);
            }
        }
        canvasTripwire7.getObjects()[0].stroke = "#ffff00";
    }

    if (typeof canvasTripwire8 !== 'undefined') {
        //Clear all objects
        while (canvasTripwire8.getObjects().length > max_protected_objects) {
            var items = canvasTripwire8.getObjects();
            if (items[canvasTripwire8.getObjects().length - 1]) {
                canvasTripwire8.remove(items[canvasTripwire8.getObjects().length - 1]);
            }
        }
        canvasTripwire8.getObjects()[0].stroke = "#ffff00";
    }


    if (typeof canvasTripwire_all !== 'undefined') {
        //Clear all objects
        while (canvasTripwire_all.getObjects().length > click_canvas_all) {
            var items = canvasTripwire_all.getObjects();
            if (items[canvasTripwire_all.getObjects().length - 1]) {
                canvasTripwire_all.remove(items[canvasTripwire_all.getObjects().length - 1]);
            }
        }

        for (var index_click = 0; index_click < click_canvas_all; index_click++) {
            canvasTripwire_all.getObjects()[index_click].stroke = "#ffff00";
        }
    }
}


function GetUrlPort() {
    var url_href = window.location.href;
    var arr_url = url_href.split(":")[2].split("/")[0];

    return arr_url;
}

var g_GetRequest = null;
var g_h = -1;
var g_m = -1;
var g_s = -1;
var g_ms = -1;

var g_time_canvas = 83;//250
var g_imgUrl = "";
var g_speed = 99999;
var g_times_update_canvas = 0;
var g_avg_speed = 7000;
var g_count_frame = 0;

function GetRequest() {
    clearInterval(g_GetRequest);
    g_GetRequest = setInterval(function GetRequest_set_interval() {
        var current_page = localStorage.getItem('current_page');
        if (current_page === 'face') {
            g_count_frame++;
            if (data_anpr != sessionStorage.getItem('getalarmmotion_data')) {
                data_anpr = sessionStorage.getItem('getalarmmotion_data');
                GetAnpr();
            }
            //GetLPBMP();
            //GetAlarm_face();

            if (g_count_frame % 2 == 0)
            {
                g_count_frame = 0;
                g_times_update_canvas++;
                var win_width = G_VIEW_CANVAS_X, win_height = G_VIEW_CANVAS_Y;

                //var imgUrl='../snap.jpg?'+Math.random();
                //var imgUrl='./snap.jpg?'+Math.random();

                var NowDate = new Date();
                var h = NowDate.getHours();
                var m = NowDate.getMinutes();
                var s = NowDate.getSeconds();
                var ms = NowDate.getMilliseconds();
                //console.log("[anpr]snap_" + h + '_' + m + '_' + s);


                if (g_h == -1 || g_m == -1 || g_s == -1 || g_ms == -1) {
                    g_h = h;
                    g_m = m;
                    g_s = s;
                    g_ms = ms;
                }

                var imgUrl = 'http://' + window.location.hostname + ":" + GetUrlPort() + '/getimage_ori?' + 'anpr_' + h + '_' + m + '_' + s + '_' + ms;
                g_imgUrl = imgUrl;

                try {
                    fabric.Image.fromURL(imgUrl, function (img) {

                        if (img != null && img._element != null) {

                            if ((h * 3600 + m * 60 + s + ms / 1000) > (g_h * 3600 + g_m * 60 + g_s + g_ms / 1000)) {
                                img.set({
                                    scaleX: win_width / img.width,
                                    scaleY: win_height / img.height,
                                });
                                canvasTripwire.setBackgroundImage(img, canvasTripwire.renderAll.bind(canvasTripwire));
                                canvasTripwire1.setBackgroundImage(img, canvasTripwire1.renderAll.bind(canvasTripwire1));
                                canvasTripwire2.setBackgroundImage(img, canvasTripwire2.renderAll.bind(canvasTripwire2));
                                canvasTripwire3.setBackgroundImage(img, canvasTripwire3.renderAll.bind(canvasTripwire3));
                                canvasTripwire4.setBackgroundImage(img, canvasTripwire4.renderAll.bind(canvasTripwire4));
                                canvasTripwire5.setBackgroundImage(img, canvasTripwire5.renderAll.bind(canvasTripwire5));
                                canvasTripwire6.setBackgroundImage(img, canvasTripwire6.renderAll.bind(canvasTripwire6));
                                canvasTripwire7.setBackgroundImage(img, canvasTripwire7.renderAll.bind(canvasTripwire7));
                                canvasTripwire8.setBackgroundImage(img, canvasTripwire8.renderAll.bind(canvasTripwire8));
                                canvasTripwire_all.setBackgroundImage(img, canvasTripwire_all.renderAll.bind(canvasTripwire_all));

                                g_h = h;
                                g_m = m;
                                g_s = s;
                                g_ms = ms;
                            }

                            if ((g_h * 3600 + g_m * 60 + g_s + g_ms / 1000) - (h * 3600 + m * 60 + s + ms / 1000) >= 3600) {
                                g_h = h;
                                g_m = m;
                                g_s = s;
                                g_ms = ms;
                            }

                            img = null;
                        }
                    });
                }
                catch (e) {
                    //console.log(e);
                }
                imgUrl = null;
                if (g_times_update_canvas >= 10) {
                    g_times_update_canvas = 0;
                    if (localStorage.getItem('AI_fps') != null) {
                        g_time_canvas = 1000 / localStorage.getItem('AI_fps') / 2;
                        clearInterval(g_GetRequest);
                        g_GetRequest = setInterval(GetRequest_set_interval, g_time_canvas);
                    }
                }
            }
        }
    }, g_time_canvas);
}

function setup_lprimg_in_anprindex() {
    set_lpr_content(get_lprimgnum());
}

function checkURL(myURL) {
    var str = myURL;
    //判断URL地址的正则表达式为:http(s)?://([\w-]+\.)+[\w-]+(/[\w- ./?%&=]*)?
    //下面的代码中应用了转义字符"\"输出一个字符"/"
    var Expression = /http(s)?:\/\/([\w-]+\.)+[\w-]+(\/[\w- .\/?%&=]*)?/;
    var objExp = new RegExp(Expression);
    if (objExp.test(str) == true) {
        return true;
    } else {
        return false;
    }
} 

var try_set_low_encoder = 0;

function set_lpr_content(img_num){
    if(img_num > 0){ // img_num = -1 when there has no valid lpr imgs.
        // remove old imgs
        //var lprimglist = document.getElementById("lpr_jpg");
        //while(lprimglist.hasChildNodes()){
            //lprimglist.removeChild(lprimglist.firstChild);
        //}

        //var fragment = document.createDocumentFragment();

        //add new imgs
        for(var i = 0; i < img_num; i++)   // img_num is from get_lprimgnum() which returns the last index of img in LPBMP_Array. 
        { 
            var index_lpr = img_num - i - 1;

            //var imgdiv = document.createElement("div");

            //var imgdiv = document.getElementById("lpr_jpg" + (i + 1).toString());
            //while (imgdiv.hasChildNodes()) {
                //imgdiv.removeChild(imgdiv.firstChild);
            //}
            var imgObj = document.createElement("img");
            imgObj.setAttribute("src", get_lprimgpath(index_lpr));
            imgObj.style.height = "80px";
            imgObj.style.width = "auto";
            imgObj.style.marginLeft = "auto";
            imgObj.style.marginRight = "auto";
            imgObj.style.display = "block";            


            var divObj = document.createElement("div");

            var href_html;
            var check_if_ok_href_html = 0;

            var imgtext = document.createElement("h4");//LPR_Array[index_lpr] + ", " + LPR_confidence_array[index_lpr]
            var lpr_text = "";

            var temp_lpr_array = LPR_Array[index_lpr];
            if (localStorage.getItem("barcode_qr") == "Yes") {

                if (checkURL(LPR_Array[index_lpr])) {
                    imgtext.style.color = "#6c87d4";
                    href_html = document.createElement("a");
                    href_html.setAttribute("href", LPR_Array[index_lpr]);
                    href_html.setAttribute("target", "_blank");
                    check_if_ok_href_html = 1;
                }

                if (LPR_Array[index_lpr].length > 15) {
                    temp_lpr_array = LPR_Array[index_lpr].slice(0, 15) + "..";
                }
                lpr_text = temp_lpr_array;
            }
            else {
                lpr_text = temp_lpr_array + ", " + LPR_confidence_array[index_lpr];
            }





            //lpr_text += ", \n";
            imgtext.appendChild(document.createTextNode(lpr_text));
            imgtext.style.display = "inline-block";
            //imgtext.style.whiteSpace = "pre";
            imgtext.style.lineHeight = "0px";

            var imgCar = document.createElement("img");

            var path_car_type = "";
            if (LPR_car_type_name_array[index_lpr] == "NULL" || LPR_car_type_name_array[index_lpr].length == 0) {
                path_car_type = "car";
            }
            else {
                path_car_type = LPR_car_type_name_array[index_lpr];
            }
  
            imgCar.setAttribute("src", "./labels/car_type/" + path_car_type + "-white.png");
            imgCar.style.width = "18px";
            imgCar.style.height = "15px";
            imgCar.style.display = "inline-block";

            divObj.appendChild(imgCar);

            if (check_if_ok_href_html == 1) {
                href_html.appendChild(imgtext);
                divObj.appendChild(href_html);
            }
            else {
                divObj.appendChild(imgtext);
            }

            var divObj2 = document.createElement("div");

            var color_text = LPR_color_array[index_lpr];
            var colorObj = document.createElement("input");
            colorObj.type = "button";
            colorObj.style.backgroundColor = color_text;
            colorObj.style.width = "18px";
            colorObj.style.height = "15px";
            colorObj.style.border = "0px";
            colorObj.style.display = "inline-block";
            colorObj.style.lineHeight = "0px";
            divObj2.appendChild(colorObj);

            if (LPR_sec_color_array[index_lpr] != LPR_color_array[index_lpr]) {
                var sec_color_text = LPR_sec_color_array[index_lpr];
                var sec_colorObj = document.createElement("input");
                sec_colorObj.type = "button";
                sec_colorObj.style.backgroundColor = sec_color_text;
                sec_colorObj.style.width = "18px";
                sec_colorObj.style.height = "15px";
                sec_colorObj.style.border = "0px";
                sec_colorObj.style.display = "inline-block";
                sec_colorObj.style.lineHeight = "0px";
                divObj2.appendChild(sec_colorObj);
            }

            var imgtext2 = document.createElement("h4");
            if (LPR_area_array[index_lpr].length >= 1 && LPR_area_array[index_lpr] != "NULL") {
                var area_text = LPR_area_array[index_lpr];
                imgtext2.appendChild(document.createTextNode(area_text));
            }
            imgtext2.style.display = "inline-block";
            imgtext2.style.lineHeight = "0px";
            divObj2.appendChild(imgtext2);


            if (LPR_center_direction_array[index_lpr].length >= 1 && LPR_center_direction_array[index_lpr] != "NULL") {
                var center_direction_text = "up_arrow";
                if (parseInt(LPR_center_direction_array[index_lpr]) >= 0) {
                    center_direction_text = "down_arrow";
                }
                else {
                    center_direction_text = "up_arrow";
                }                

                var img_direction = document.createElement("img");

                img_direction.setAttribute("src", "./images/" + center_direction_text + ".png");
                img_direction.style.width = "18px";
                img_direction.style.height = "15px";
                img_direction.style.display = "inline-block";

                divObj2.appendChild(img_direction);
            }


            //var imgtext2 = document.createElement("h4");//LPR_Array[index_lpr] + ", " + LPR_confidence_array[index_lpr]
            //var lpr_text2 = LPR_confidence_array[index_lpr];
            //imgtext2.appendChild(document.createTextNode("hello"));

            //imgdiv.appendChild(imgObj);

            //fragment.appendChild(imgdiv);

            var imgdiv = document.querySelector("#lpr_jpg_" + (i + 1).toString());
            while (imgdiv.hasChildNodes()) {
                imgdiv.removeChild(imgdiv.firstChild);
            }
            imgdiv.appendChild(imgObj);
            imgdiv.appendChild(divObj);
            imgdiv.appendChild(divObj2);
            
            //imgdiv.appendChild(imgtext2);
            //console.log("path:" + get_lprimgpath(i));
            //document.getElementById("lpr_jpg_" + (i + 1).toString()).style.width = "auto";

        }

        var len = img_num;
        var loadCounter = 0;
        for (var i = 0; i < len; i++) {
            var index_lpr = img_num - i - 1;

            $(document.createElement("img")).attr('src', get_lprimgpath(index_lpr)).one("load", function () {
                //alert(get_lprimgpath(index_lpr)+ 'is loaded');
                loadCounter++;
                
            }).each(function () {
                if (this.complete) {
                    $(this).trigger("load");
                }
                else {
                    this.src = '../Aida_data/storage/default.jpg';
                    //console.log(index_lpr);
                    //console.log(get_lprimgpath(index_lpr));
                    //console.log(this.src);
                }
            });
        }

        if (loadCounter < len-4) {
            //console.log("At least two are not loaded");
            console.log("try set low encoder");

            if (try_set_low_encoder == 0) {
                try_set_low_encoder = 1;
                var json_data = '{"system_setting": { "getimage_encoder_id": "' + "4" + '","getimage_encoder_id_HD": "' + "4" + '"}';
                json_data += '}';

                func_setconfigfile(json_data);
            }
        }
        else {
            //console.log("OK");
            //alert("all are loaded");
        }

       // lprimglist.appendChild(fragment);
    }
}


function get_lprimgpath(index) {
    var imgpath = "";
    if (LPBMP_Array[index] != "NULL") {
        imgpath = LPBMP_Array[index];
        imgpath = imgpath.replace("/emmc/plugin", "..");
    }
    // console.log(imgpath + " = " + LPBMP_Array[index] + "?");
    
    return imgpath;
}

function get_lprimgnum(){  //return the last index which is valid. -1 if all invalid.
   
    var j = 0;
    
    for(j=0; j< MAX_LPBMP_ARRAY; j++){
        if(LPBMP_Array[j] == "NULL")
            break;
    }
    //console.log("[get_lprimgnum] j = " + j);


    return j;  //return the last index which is valid. -1 if all invalid.
}

var MAX_LPR_ALIVE_TIME = 1000;

function lprimg_valid(date){  // can be rewrite to other valid check if needed.

    // console.log("[lprimg_valid]");
    // console.log("inpute = " + date);
    let input_date = new Date(date);
    // console.log(input_date.toISOString());

    let now_date = new Date();
    // console.log(now_date.toISOString());
    // console.log("pic and now time diff = " + (now_date - input_date)/1000/60/60 + " hours");
    
    let valid = false;
    if(((now_date - input_date)/1000/60/60) < MAX_LPR_ALIVE_TIME){
        valid = true;
    }
    return valid;
}

function push_LPBMP(jsonbuf){

    //console.log("[push_LPBMP] jsonbuf = " + typeof jsonbuf);
    var new_LPBMP_path = jsonbuf.LPR_BMP;


    if (LPBMP_Array[MAX_LPBMP_ARRAY - 1] != "NULL") {
        var j = 0;
        for (j = 0; j < MAX_LPBMP_ARRAY - 1; j++) {
            LPBMP_Array[j] = LPBMP_Array[j + 1];
        }
        LPBMP_Array[j] = new_LPBMP_path;
    }
    else{
        for (var i = 0; i < MAX_LPBMP_ARRAY; i++) {
            if (LPBMP_Array[i] === "NULL") {
                LPBMP_Array[i] = new_LPBMP_path;
                break;
            }
        }
    }

}


function AiEngine_json_split(alarm_data){ // copied from alarm.js
    var datas;
    var ai_json;
    var complete_data = "";
    var n1 = -1, n2 = -1, n2_temp = -1;

    complete_data = complete_data.concat(alarm_data);
    n1 = complete_data.indexOf('{"AiEngine"');

    n2_temp = complete_data.indexOf('"Count"');

    n2 = complete_data.indexOf('}', n2_temp);

    if (n1 > 0 && n2_temp > 0 && n2 > 0 && (n1 + 7) < n2_temp && n2_temp < n2) {
        datas = complete_data.split(/\r\n|\r/);
        complete_data = "";

        for (var i = datas.length - 1; i >= 0; i--) {
            
            if (datas[i].length > 12 && datas[i].substring(0, 12) == '{"AiEngine":' && datas[i].length < 8192*8) {
                var temp = null;
                temp = datas[i].slice();

                ai_json = JSON.parse(temp);
                //ai_json = validatingJSON(temp);

                datas[i] = null;
                
                break;
            }

        }
    }

    return ai_json;
}



function SetLPR(LPR_data){ //save ["INFORMATION"] into seeSionStorage for further use.
    
    var jsonbuf = null;
    try {
        jsonbuf = JSON.parse(LPR_data); //JSON parse only for try catch
    } catch (e) {
        jsonbuf = null;
        // console.log(e);//the character would be drop sometimes, for example the label "class_id" may be "clas_id". 
        //console.log(json);
    }

    if(jsonbuf != null){ // save into session storage only if the data is valid json format
        sessionStorage.setItem('lprinfologlist_num', jsonbuf["LPR_COUNT"]);
        sessionStorage.setItem('lprinfologlist', JSON.stringify(jsonbuf["INFORMATION"]));
        //by saving jsonbuf["INFORMATION"], we can retrive other information like confidence in the future.

        
        // var test = JSON.parse(sessionStorage.getItem('lprinfologlist'));
        // console.log(test[0]);
        // console.log(test[0].LP_BMP);
    }
}


var MAX_FACE_CROP = 18; // 14 for the "face_jpg" elements
var FACE_CROP_Array = Array(MAX_FACE_CROP);// [第幾個人臉][資料欄位]
var dbSelectCache = {};

function onDBSelect(g_ListMode, s_value, face_info) {
    if(s_value==undefined) return;
    // 檢查緩存
    var cacheKey = g_ListMode + "_" + s_value;
    if (dbSelectCache[cacheKey]) {
        // 更新 face_info
        var cachedData = dbSelectCache[cacheKey];
        face_info.imagepath = cachedData.imagepath;
        face_info.user = cachedData.user;
        face_info.group = cachedData.group;

        // 更新 FACE_CROP_Array 和 UI
        UpdateFaceCropArray(face_info);
        SetCroppedFaceImage();
        return;
    }

    var group = "";
    var req = '/face_list?';            

    req += 'select=';

    if (g_ListMode == 'log')
        req += 'log';
    else if (g_ListMode == 'watch')
        req += 'watch';
    else if (g_ListMode == 'vip')
        req += 'vip';
    else if (g_ListMode == 'visitor')
        req += 'visitor';
    var w = '';
    w += '&face_name=';
    w += s_value;

    req += w;
    // console.log("req: ",req);
    get_cgi({
        cmd: req,
        async: true,
        get_response: function (result) {
            // console.log("result: ",result);
            var lpBmpMatch = result.match(/"FR_BMP":"([^"]+)"/);
            var userNameMatch = result.match(/"user_name":"([^"]+)"/);
            var lastNameMatch = result.match(/"last_name":"([^"]+)"/);

            var lpBmp = lpBmpMatch ? lpBmpMatch[1] : "";
            var userName = userNameMatch ? userNameMatch[1] : "";
            var lastName = lastNameMatch ? lastNameMatch[1] : "";
            
            if (lpBmp.length > 0 || userName.length > 0 || lastName.length > 0) {
                // 根據 g_ListMode 的值設置 group 的值
                
                if (g_ListMode == 'watch')
                    group = "watch";
                else if (g_ListMode == 'vip')
                    group = "vip";
            
                // Handle result
                face_info.imagepath = "../Aida_data/storage/watch/" + lpBmp + ".jpg";
                face_info.user = userName + " " + lastName;
                face_info.group = group;
                
            }
            // 儲存資料在緩存
            dbSelectCache[cacheKey] = {
                imagepath: face_info.imagepath,
                user: face_info.user,
                group: face_info.group
            };
                
            // Update FACE_CROP_Array
            UpdateFaceCropArray(face_info);

            // 呼叫 SetCroppedFaceImage
            SetCroppedFaceImage();
    
        }
    });
}

function GetAlarm_face() {
    if (!!data_anpr) {
        var complete_data = "";
        complete_data = complete_data.concat(data_anpr);
        var n1 = complete_data.indexOf('{"AiEngine"');
        console.log(complete_data);
        if (n1 > -1) {
            var sub_data = complete_data.substring(n1);
            var face_datas = sub_data.match(/(\{[^{}]*\})/g);

            if (face_datas) {
                FACE_CROP_Array = FACE_CROP_Array.filter(item => item !== null);

                face_datas.forEach(match => {
                    var face_data = JSON.parse(match);
                    var face_name = face_data.face_name;
                    var face_image = face_data.face_image;
                    var face_score = face_data.face_score;
                    var face_trackingID = face_data.face_trackingId;
                    var face_tracking_uuid = face_data.face_tracking_uuid;
                    var face_tracking_state = face_data.face_tracking_state;
                    var face_detection_confidence = face_data.face_detection_confidence;
                  
                    // 建立一個人臉資料物件
                    var face_info = {
                        name:  face_name,
                        image: face_image,
                        score: face_score,
                        trackingID: face_trackingID,
                        trackinguuid: face_tracking_uuid,
                        trackingState: face_tracking_state,
                        detectionconfidence: face_detection_confidence,
                        time: getFormattedTime()
                    };

                    // 呼叫 onDBSelect
                    onDBSelect("watch", face_name, face_info);
                    onDBSelect("vip", face_name, face_info);

                    console.log(`Name: ${face_info.name}, Score: ${face_info.score}, 
                    TrackingID: ${face_info.trackingID}, Tracking_uuid: ${face_info.trackingUUID}, Status: ${face_info.trackingState},
                    Detection_confidence: ${face_info.detectionconfidence}, User: ${face_info.user}, 
                    Gruop: ${face_info.group}, DBImagePath: ${face_info.imagepath}, Time: ${face_info.time}`);
                });
                
                // 在處理完成後呼叫 SetCroppedFaceImage
                SetCroppedFaceImage();
            }
        }
    }
}

function UpdateFaceCropArray(face_info) {
    const name_value = face_info.name ? face_info.name.trim() : null;
    
    var confidenceThreshold = document.getElementById('confidence_face').value;

    if (name_value) {
        const existingIndex = FACE_CROP_Array.findIndex(item => item && item.name.trim() === name_value);

        if (existingIndex !== -1) {
            // 如果存在相同 name 的人臉資訊，比較 score 大小
            if (FACE_CROP_Array[existingIndex].score < face_info.score && face_info.score >= confidenceThreshold) {
                // 新的 score 更大，更新整個人臉資訊
                FACE_CROP_Array[existingIndex] = face_info;
            } else {
                // 新的 score 沒有比較大，只更新 image 和 time
                FACE_CROP_Array[existingIndex].image = face_info.image;
                FACE_CROP_Array[existingIndex].time = face_info.time;
                FACE_CROP_Array[existingIndex].score = face_info.score;
                // // 移除舊的低分數資訊
                // if (FACE_CROP_Array[existingIndex].score < confidenceThreshold) {
                //     FACE_CROP_Array.splice(existingIndex, 1);
                // }
            }
        } else {
            // 如果是新的資訊且分數高於閾值，放到最前面
            if (face_info.score >= confidenceThreshold) {
                FACE_CROP_Array.unshift(face_info);
                // 限制最大長度
                if (FACE_CROP_Array.length > MAX_FACE_CROP) {
                    FACE_CROP_Array.pop();
                }
            }
        }
    }

    // 移除所有分數低於閾值的資訊
    FACE_CROP_Array = FACE_CROP_Array.filter(item => item.score >= confidenceThreshold);
}

function getFormattedTime() {
    var currentDateTime = new Date();
    var hours = currentDateTime.getHours().toString().padStart(2, '0');
    var minutes = currentDateTime.getMinutes().toString().padStart(2, '0');
    var seconds = currentDateTime.getSeconds().toString().padStart(2, '0');

    var formattedTime = hours + ':' + minutes + ':' + seconds;
    return formattedTime;
}


function SetCroppedFaceImage() {
    var resultsContainer = document.querySelector('.recognition-results');
    resultsContainer.innerHTML = '';

    var confidenceThreshold = document.getElementById('confidence_face').value;

    for (var i = 0; i < MAX_FACE_CROP; i++) {
        var recognitionResult = document.createElement('div');
        recognitionResult.classList.add('face-recognition-result');

        var imgContainer = document.createElement('div');
        imgContainer.classList.add('image-container');
        imgContainer.id = "face_jpg_" + (i + 1).toString();
        recognitionResult.appendChild(imgContainer);

        var defaultImgObj1 = document.createElement("img");
        defaultImgObj1.src = "images/icon_face.png"; 
        defaultImgObj1.alt = "defaultImage1";
        imgContainer.appendChild(defaultImgObj1);

        var defaultImgObj2 = document.createElement("img");
        defaultImgObj2.src = "images/icon_face.png";
        defaultImgObj2.alt = "defaultImage2";
        imgContainer.appendChild(defaultImgObj2);

      
        if (FACE_CROP_Array[i] && FACE_CROP_Array[i].name !== null && FACE_CROP_Array[i].score !== undefined) {
            // 比 Sensitivity 高的才要顯示
            if (Number(FACE_CROP_Array[i].score.toFixed(1)) >= confidenceThreshold) {
                var visitorInfo = document.createElement('div');
                visitorInfo.classList.add('name-info');

                // 檢查是否存在 user 屬性，如果不存在或為空，則使用 name 屬性
                if (FACE_CROP_Array[i].user) {
                    visitorInfo.textContent = FACE_CROP_Array[i].user;
                } else {
                    visitorInfo.textContent = "Visitor"+ FACE_CROP_Array[i].name;
                }
                recognitionResult.appendChild(visitorInfo);


                var textInfo = document.createElement('div');
                textInfo.classList.add('text-info');
                textInfo.textContent = FACE_CROP_Array[i].time;
                recognitionResult.appendChild(textInfo);

                var imgVisitor = document.createElement('img');
                imgVisitor.src = "data:image/jpeg;base64," + FACE_CROP_Array[i].image; 
                imgVisitor.alt = "visitorImage";
                imgContainer.appendChild(imgVisitor);

                var similarityText = document.createElement('div');
                similarityText.classList.add('similarity');
                similarityText.textContent = Number(FACE_CROP_Array[i].score.toFixed(1)) + "%";
                imgContainer.appendChild(similarityText);

                var imgDatabase = document.createElement('img');

                // 檢查 imagepath 是否存在
                if (FACE_CROP_Array[i].imagepath) {
                    var imageUrl = FACE_CROP_Array[i].imagepath ;
                    
                    // 設定圖片的src屬性，並在載入失敗時處理
                    imgDatabase.src = imageUrl;
                   
                } else {
                    // 如果 imagepath 不存在，使用預設圖片
                    imgDatabase.src = "images/icon_face.png";
                }
                imgDatabase.alt = "databaseImage";
                imgContainer.appendChild(imgDatabase);

                var nameTag = document.createElement('div');
                nameTag.classList.add('group-tag');
                nameTag.textContent = FACE_CROP_Array[i].group;
                recognitionResult.appendChild(nameTag);

                defaultImgObj1.style.display = "none";
                defaultImgObj2.style.display = "none";
            } 
        }

        resultsContainer.appendChild(recognitionResult);
    }
}