132 lines
9.7 KiB
HTML
132 lines
9.7 KiB
HTML
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<html>
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<head>
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<meta charset="utf-8">
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<title>无标题文档</title>
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</head>
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<body>
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<div>
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<div style="display: block; background: url('area_hc.png') repeat scroll 0% 0% transparent; padding: 0px; width: 241px; height: 287px; position: relative;">
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<canvas id="diagonal" style="border:0px none;top:0px;left:0;position:absolute; padding: 0px; opacity: 1;"
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width="241px" height="287px"></canvas>
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<img src="area_hc.png" usemap="#Map" style="border: 0px none;position:absolute;left:0;top:0;opacity:0;">
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<map name="Map" id="center_map">
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<area id="street_df" shape="poly"
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coords="73,2,76,5,79,6,81,10,84,13,86,20,84,26,82,28,82,33,83,37,82,44,81,51,81,58,84,66,88,72,90,79,94,84,95,88,100,89,105,88,111,88,117,94,119,98,123,102,128,107,130,112,129,116,129,118,127,118,122,118,121,116,119,114,118,115,117,117,115,118,112,118,108,118,106,116,106,116,103,117,104,121,106,125,102,126,99,126,98,126,95,129,95,136,97,139,101,139,105,139,107,141,108,141,114,139,117,137,119,136,123,141,125,146,132,149,136,146,131,150,124,154,123,158,120,161,113,166,115,172,115,177,115,184,117,189,118,196,118,198,108,199,101,201,96,201,93,200,88,196,82,190,81,186,80,185,75,183,72,183,69,176,65,172,62,170,61,166,59,162,54,158,46,156,38,154,33,150,31,141,32,135,31,130,29,123,30,119,32,115,35,111,35,108,35,104,32,98,29,94,25,93,20,91,13,88,11,83,5,77,3,74,3,70,5,66,10,62,9,54,8,45,10,41,13,39,16,39,21,39,26,39,34,39,39,39,41,39,43,39,48,34,51,25,54,19,59,16,63,13,63,10,70,8,72,5"
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href="street_df.png">
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<area id="street_xy" shape="poly"
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coords="136,145,141,146,145,146,150,148,155,148,163,146,173,147,179,149,184,151,188,159,189,162,191,169,191,173,190,179,189,181,186,185,185,189,182,191,180,193,176,193,174,189,170,190,167,190,165,192,163,194,160,197,156,197,148,197,140,197,131,197,123,197,117,196,118,192,118,186,117,181,117,175,119,167,119,165,120,163,123,161,132,155,129,153,133,149,126,155,124,158"
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href="street_xy.png">
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<area id="street_sy" shape="poly"
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coords="166,200,167,202,175,206,176,211,170,205,176,208,180,211,182,214,184,221,186,223,187,230,187,236,187,244,187,251,187,259,184,263,181,266,176,266,173,266,169,266,167,263,162,266,162,273,159,277,164,279,169,279,174,281,183,283,193,283,197,283,203,283,205,280,205,275,205,269,201,263,199,253,196,246,196,240,196,235,199,229,203,226,207,221,214,216,221,206,226,202,233,198,237,195,239,191,238,187,235,185,235,186,233,185,234,187,234,184,231,184,228,182,225,181,225,174,230,174,226,171,229,174,226,171,223,170,222,167,220,163,217,160,215,156,212,154,208,156,208,158,204,159,204,158,200,158,196,156,195,154,191,156,190,153,190,153,189,154,194,158,196,155,189,160,191,167,191,172,193,175,193,179,192,182,190,185,188,190,187,192,184,193,182,193,178,193,176,192,172,191,171,191,169,191,166,193,165,196,162,197,165,198,165,199"
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href="street_sy.png">
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<area id="street_hc" shape="poly"
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coords="97,203,100,204,104,203,106,202,111,201,117,201,123,199,129,198,140,198,151,198,156,199,161,200,164,203,168,206,171,211,174,216,178,220,181,227,181,233,182,239,184,244,184,251,184,256,181,258,178,259,171,259,169,260,165,261,160,266,155,273,151,274,147,273,143,272,137,271,129,271,123,270,116,268,110,266,104,264,101,263,97,260,93,257,92,253,90,250,90,245,92,242,95,237,95,232,99,224,101,216,100,211,99,207"
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href="street_hc.png">
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</map>
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</div>
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</div>
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</body>
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<script src="http://libs.baidu.com/jquery/1.9.1/jquery.min.js" type="text/javascript"></script>
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<script type="text/javascript">
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var street_df_coords = '73,2,76,5,79,6,81,10,84,13,86,20,84,26,82,28,82,33,83,37,82,44,81,51,81,58,84,66,88,72,90,79,94,84,95,88,100,89,105,88,111,88,117,94,119,98,123,102,128,107,130,112,129,116,129,118,127,118,122,118,121,116,119,114,118,115,117,117,115,118,112,118,108,118,106,116,106,116,103,117,104,121,106,125,102,126,99,126,98,126,95,129,95,136,97,139,101,139,105,139,107,141,108,141,114,139,117,137,119,136,123,141,125,146,132,149,136,146,131,150,124,154,123,158,120,161,113,166,115,172,115,177,115,184,117,189,118,196,118,198,108,199,101,201,96,201,93,200,88,196,82,190,81,186,80,185,75,183,72,183,69,176,65,172,62,170,61,166,59,162,54,158,46,156,38,154,33,150,31,141,32,135,31,130,29,123,30,119,32,115,35,111,35,108,35,104,32,98,29,94,25,93,20,91,13,88,11,83,5,77,3,74,3,70,5,66,10,62,9,54,8,45,10,41,13,39,16,39,21,39,26,39,34,39,39,39,41,39,43,39,48,34,51,25,54,19,59,16,63,13,63,10,70,8,72,5';
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var street_xy_coords = '136,145,141,146,145,146,150,148,155,148,163,146,173,147,179,149,184,151,188,159,189,162,191,169,191,173,190,179,189,181,186,185,185,189,182,191,180,193,176,193,174,189,170,190,167,190,165,192,163,194,160,197,156,197,148,197,140,197,131,197,123,197,117,196,118,192,118,186,117,181,117,175,119,167,119,165,120,163,123,161,132,155,129,153,133,149,126,155,124,158';
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var street_sy_coords = '166,200,167,202,175,206,176,211,170,205,176,208,180,211,182,214,184,221,186,223,187,230,187,236,187,244,187,251,187,259,184,263,181,266,176,266,173,266,169,266,167,263,162,266,162,273,159,277,164,279,169,279,174,281,183,283,193,283,197,283,203,283,205,280,205,275,205,269,201,263,199,253,196,246,196,240,196,235,199,229,203,226,207,221,214,216,221,206,226,202,233,198,237,195,239,191,238,187,235,185,235,186,233,185,234,187,234,184,231,184,228,182,225,181,225,174,230,174,226,171,229,174,226,171,223,170,222,167,220,163,217,160,215,156,212,154,208,156,208,158,204,159,204,158,200,158,196,156,195,154,191,156,190,153,190,153,189,154,194,158,196,155,189,160,191,167,191,172,193,175,193,179,192,182,190,185,188,190,187,192,184,193,182,193,178,193,176,192,172,191,171,191,169,191,166,193,165,196,162,197,165,198,165,199';
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var street_hc_coords = '97,203,100,204,104,203,106,202,111,201,117,201,123,199,129,198,140,198,151,198,156,199,161,200,164,203,168,206,171,211,174,216,178,220,181,227,181,233,182,239,184,244,184,251,184,256,181,258,178,259,171,259,169,260,165,261,160,266,155,273,151,274,147,273,143,272,137,271,129,271,123,270,116,268,110,266,104,264,101,263,97,260,93,257,92,253,90,250,90,245,92,242,95,237,95,232,99,224,101,216,100,211,99,207';
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$(function () {
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$(window).resize(function (event) {
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var coords = new Array();
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coords.push(street_df_coords);
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coords.push(street_xy_coords);
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coords.push(street_sy_coords);
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coords.push(street_hc_coords);
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resizeMap(coords, '241', '287');
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changeStyle();
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});
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changeStyle();
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});
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//热区图坐标计算，这里需要注意的是宽和高是原图片的宽和高
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function resizeMap(o_coords, imageWidth, imageHeigth) {
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var map = document.getElementById("center_map");
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var element = map.childNodes;
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for (var i = 0; i < element.length; i++) {
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var oldCoords = o_coords[i];
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var newcoords = residePointPosition(oldCoords, imageWidth, imageHeigth);
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element[i].setAttribute("coords", newcoords);
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}
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var test = element;
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}
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//调整MAP中坐标
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function residePointPosition(position, _imageWidth, _imageHeigth) {
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var imageWidth = _imageWidth;//213;
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var imageHeigth = _imageHeigth;//242;
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var cur_imageHeight = $('#center_img').height();
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//var cur_imageWidth = $('#center_img').width();
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var cur_imageWidth = Math.round(parseInt((_imageWidth * cur_imageHeight) / imageHeigth));
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var each = position.split(",");
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//获取每个坐标点
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for (var i = 0; i < each.length; i++) {
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each[i] = Math.round(parseInt(each[i]) * cur_imageWidth / imageWidth);//x坐标
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i++;
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each[i] = Math.round(parseInt(each[i]) * cur_imageHeight / imageHeigth);//y坐标
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}
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//生成新的坐标点
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var newPosition = "";
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for (var i = 0; i < each.length; i++) {
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newPosition += each[i];
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if (i < each.length - 1) {
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newPosition += ",";
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}
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}
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return newPosition;
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}
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function changeStyle() {
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// 热区鼠标滑过变色以及显示title
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var canvers = document.getElementById("diagonal");
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var context = canvers.getContext("2d");
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context.globalAlpha = 0.5;
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$("#center_map area").each(function () {
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$(this).mouseover(function () {
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context.beginPath();
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var strs = new Array(); //定义一数组
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strs = $(this).attr("coords").split(",");
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var i1, i2;
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var x = 0;
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var y = 0;
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for (var i = 0; i < strs.length; i++) {
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if (i % 2 == 0) {
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i1 = strs[i];
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x = x + parseInt(i1);
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}
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if (i % 2 == 1) {
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i2 = strs[i];
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if (i == 1) {
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context.moveTo(i1, i2);
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} else {
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context.lineTo(i1, i2);
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}
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y = y + parseInt(i2);
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}
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}
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context.fillStyle = "#fff";
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// 这里计算不规则图形的中心点
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x = parseInt(x * 2 / strs.length) - 20;//由于title的名字长度关心，故将点横坐标向左偏移20，这样子，title显示的会更加协调
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y = parseInt(y * 2 / strs.length);
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// console.log(x + ',' + y);
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var _text = $(this).attr('id');
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context.fillText(_text, x, y);
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context.fill();
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context.closePath(); //闭合
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});
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$(this).mouseout(function () {
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context.clearRect(0, 0, 241, 287);
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});
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});
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}
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</script>
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</html>
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