1425 lines
58 KiB
HTML
1425 lines
58 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="chrome=1">
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<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css" type="text/css">
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" type="text/css">
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<link rel="stylesheet" href="./resources/prism/prism.css" type="text/css">
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<link rel="stylesheet" href="../css/ol.css" type="text/css">
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<link rel="stylesheet" href="./resources/layout.css" type="text/css">
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<link rel="stylesheet" href="vector-labels.css">
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<script src="./resources/zeroclipboard/ZeroClipboard.min.js"></script>
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<title>Vector labels example</title>
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</head>
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<body>
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<header class="navbar" role="navigation">
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<div class="container" id="navbar-inner-container">
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<a class="navbar-brand" href="./"><img src="./resources/logo-70x70.png"> OpenLayers 3 Examples</a>
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</div>
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</header>
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<div class="container-fluid">
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<div class="row-fluid">
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<div class="span12">
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<div id="map" class="map"></div>
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</div>
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</div>
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<div class="edit-form">
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<input id="refresh-points" type="button" value="Refresh" />
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<h2>Points</h2>
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<div class="edit-form-elem">
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<label>Text: </label>
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<select id="points-text">
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<option value="hide">Hide</option>
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<option value="normal">Normal</option>
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<option value="shorten" selected="selected">Shorten</option>
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<option value="wrap">Wrap</option>
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</select>
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<br />
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<label title="Max Resolution Denominator">MaxReso.:</label>
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<select id="points-maxreso">
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<option value="38400">38,400</option>
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<option value="19200">19,200</option>
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<option value="9600">9,600</option>
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<option value="4800">4,800</option>
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<option value="2400">2,400</option>
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<option value="1200" selected="selected">1,200</option>
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<option value="600">600</option>
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<option value="300">300</option>
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<option value="150">150</option>
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<option value="75">75</option>
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<option value="32">32</option>
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<option value="16">16</option>
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<option value="8">8</option>
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</select>
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<br />
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<label>Align: </label>
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<select id="points-align">
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<option value="center" selected="selected">Center</option>
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<option value="end">End</option>
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<option value="left">Left</option>
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<option value="right">Right</option>
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<option value="start">Start</option>
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</select>
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<br />
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<label>Baseline: </label>
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<select id="points-baseline">
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<option value="alphabetic">Alphabetic</option>
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<option value="bottom">Bottom</option>
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<option value="hanging">Hanging</option>
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<option value="ideographic">Ideographic</option>
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<option value="middle" selected="selected">Middle</option>
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<option value="top">Top</option>
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</select>
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<br />
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<label>Rotation: </label>
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<select id="points-rotation">
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<option value="0">0°</option>
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<option value="0.785398164">45°</option>
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<option value="1.570796327">90°</option>
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</select>
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<br />
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<label>Font: </label>
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<select id="points-font">
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<option value="Arial" selected="selected">Arial</option>
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<option value="Courier New">Courier New</option>
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<option value="Quattrocento Sans">Quattrocento</option>
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<option value="Verdana">Verdana</option>
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</select>
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<br />
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<label>Weight: </label>
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<select id="points-weight">
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<option value="bold">Bold</option>
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<option value="normal" selected="selected">Normal</option>
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</select>
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<br />
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<label>Size: </label>
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<input type="text" value="12px" id="points-size" />
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<br />
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<label>Offset X:</label>
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<input type="text" value="0" id="points-offset-x" />
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<br />
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<label>Offset Y:</label>
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<input type="text" value="0" id="points-offset-y" />
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<br />
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<label>Color :</label>
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<input type="text" value="#aa3300" id="points-color" />
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<br />
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<label title="Outline Color">O. Color:</label>
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<input type="text" value="#ffffff" id="points-outline" />
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<br />
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<label title="Outline Width">O. Width :</label>
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<input type="text" value="3" id="points-outline-width" />
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</div>
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</div>
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<div class="edit-form">
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<input id="refresh-lines" type="button" value="Refresh" />
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<h2>Lines</h2>
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<div class="edit-form-elem">
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<label>Text: </label>
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<select id="lines-text">
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<option value="hide">Hide</option>
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<option value="normal">Normal</option>
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<option value="shorten">Shorten</option>
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<option value="wrap" selected="selected">Wrap</option>
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</select>
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<br />
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<label title="Max Resolution Denominator">MaxReso.:</label>
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<select id="lines-maxreso">
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<option value="38400">38,400</option>
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<option value="19200">19,200</option>
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<option value="9600">9,600</option>
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<option value="4800">4,800</option>
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<option value="2400">2,400</option>
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<option value="1200" selected="selected">1,200</option>
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<option value="600">600</option>
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<option value="300">300</option>
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<option value="150">150</option>
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<option value="75">75</option>
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<option value="32">32</option>
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<option value="16">16</option>
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<option value="8">8</option>
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</select>
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<br />
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<label>Align: </label>
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<select id="lines-align">
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<option value="center" selected="selected">Center</option>
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<option value="end">End</option>
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<option value="left">Left</option>
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<option value="right">Right</option>
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<option value="start">Start</option>
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</select>
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<br />
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<label>Baseline: </label>
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<select id="lines-baseline">
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<option value="alphabetic">Alphabetic</option>
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<option value="bottom">Bottom</option>
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<option value="hanging">Hanging</option>
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<option value="ideographic">Ideographic</option>
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<option value="middle" selected="selected">Middle</option>
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<option value="top">Top</option>
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</select>
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<br />
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<label>Rotation: </label>
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<select id="lines-rotation">
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<option value="0">0°</option>
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<option value="0.785398164">45°</option>
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<option value="1.570796327">90°</option>
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</select>
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<br />
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<label>Font: </label>
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<select id="lines-font">
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<option value="Arial">Arial</option>
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<option value="Courier New" selected="selected">Courier New</option>
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<option value="Quattrocento Sans">Quattrocento</option>
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<option value="Verdana">Verdana</option>
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</select>
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<br />
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<label>Weight: </label>
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<select id="lines-weight">
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<option value="bold" selected="selected">Bold</option>
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<option value="normal">Normal</option>
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</select>
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<br />
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<label>Size: </label>
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<input type="text" value="12px" id="lines-size" />
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<br />
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<label>Offset X:</label>
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<input type="text" value="0" id="lines-offset-x" />
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<br />
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<label>Offset Y:</label>
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<input type="text" value="0" id="lines-offset-y" />
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<br />
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<label>Color :</label>
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<input type="text" value="green" id="lines-color" />
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<br />
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<label title="Outline Color">O. Color:</label>
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<input type="text" value="#ffffff" id="lines-outline" />
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<br />
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<label title="Outline Width">O. Width :</label>
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<input type="text" value="3" id="lines-outline-width" />
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</div>
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</div>
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<div class="edit-form">
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<input id="refresh-polygons" type="button" value="Refresh" />
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<h2>Polygons</h2>
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<div class="edit-form-elem">
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<label>Text: </label>
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<select id="polygons-text">
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<option value="hide">Hide</option>
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<option value="normal" selected="selected">Normal</option>
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<option value="shorten">Shorten</option>
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<option value="wrap">Wrap</option>
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</select>
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<br />
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<label title="Max Resolution Denominator">MaxReso.:</label>
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<select id="polygons-maxreso">
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<option value="38400">38,400</option>
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<option value="19200">19,200</option>
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<option value="9600">9,600</option>
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<option value="4800">4,800</option>
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<option value="2400">2,400</option>
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<option value="1200" selected="selected">1,200</option>
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<option value="600">600</option>
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<option value="300">300</option>
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<option value="150">150</option>
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<option value="75">75</option>
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<option value="32">32</option>
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<option value="16">16</option>
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<option value="8">8</option>
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</select>
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<br />
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<label>Align: </label>
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<select id="polygons-align">
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<option value="center" selected="selected">Center</option>
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<option value="end">End</option>
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<option value="left">Left</option>
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<option value="right">Right</option>
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<option value="start">Start</option>
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</select>
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<br />
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<label>Baseline: </label>
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<select id="polygons-baseline">
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<option value="alphabetic">Alphabetic</option>
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<option value="bottom">Bottom</option>
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<option value="hanging">Hanging</option>
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<option value="ideographic">Ideographic</option>
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<option value="middle" selected="selected">Middle</option>
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<option value="top">Top</option>
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</select>
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<br />
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<label>Rotation: </label>
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<select id="polygons-rotation">
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<option value="0">0°</option>
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<option value="0.785398164">45°</option>
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<option value="1.570796327">90°</option>
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</select>
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<br />
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<label>Font: </label>
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<select id="polygons-font">
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<option value="Arial">Arial</option>
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<option value="Courier New">Courier New</option>
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<option value="Quattrocento Sans">Quattrocento</option>
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<option value="Verdana" selected="selected">Verdana</option>
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</select>
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<br />
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<label>Weight: </label>
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<select id="polygons-weight">
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<option value="bold" selected="selected">Bold</option>
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<option value="normal">Normal</option>
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</select>
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<br />
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<label>Size: </label>
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<input type="text" value="10px" id="polygons-size" />
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<br />
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<label>Offset X:</label>
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<input type="text" value="0" id="polygons-offset-x" />
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<br />
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<label>Offset Y:</label>
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<input type="text" value="0" id="polygons-offset-y" />
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<br />
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<label>Color :</label>
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<input type="text" value="blue" id="polygons-color" />
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<br />
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<label title="Outline Color">O. Color:</label>
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<input type="text" value="#ffffff" id="polygons-outline" />
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<br />
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<label title="Outline Width">O. Width :</label>
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<input type="text" value="3" id="polygons-outline-width" />
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</div>
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</div>
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<div class="row-fluid">
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<div class="span12">
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<h4 id="title">Vector labels example</h4>
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<p id="shortdesc">Example of GeoJSON features with labels.</p>
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<div id="docs"><p><strong>Note:</strong> The 'Text/Wrap' option is currently not working properly. This is because ol3 uses Canvas's strokeText and fillText functions that do not support text wrapping.</p>
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</div>
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<div id="tags">geojson, vector, openstreetmap, label</div>
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<div id="api-links">Related API documentation: <ul class="inline"><li><a href="../apidoc/ol.Map.html" title="API documentation for ol.Map">ol.Map</a></li>,<li><a href="../apidoc/ol.View.html" title="API documentation for ol.View">ol.View</a></li>,<li><a href="../apidoc/ol.format.GeoJSON.html" title="API documentation for ol.format.GeoJSON">ol.format.GeoJSON</a></li>,<li><a href="../apidoc/ol.layer.Tile.html" title="API documentation for ol.layer.Tile">ol.layer.Tile</a></li>,<li><a href="../apidoc/ol.layer.Vector.html" title="API documentation for ol.layer.Vector">ol.layer.Vector</a></li>,<li><a href="../apidoc/ol.source.MapQuest.html" title="API documentation for ol.source.MapQuest">ol.source.MapQuest</a></li>,<li><a href="../apidoc/ol.source.Vector.html" title="API documentation for ol.source.Vector">ol.source.Vector</a></li>,<li><a href="../apidoc/ol.style.Circle.html" title="API documentation for ol.style.Circle">ol.style.Circle</a></li>,<li><a href="../apidoc/ol.style.Fill.html" title="API documentation for ol.style.Fill">ol.style.Fill</a></li>,<li><a href="../apidoc/ol.style.Stroke.html" title="API documentation for ol.style.Stroke">ol.style.Stroke</a></li>,<li><a href="../apidoc/ol.style.Style.html" title="API documentation for ol.style.Style">ol.style.Style</a></li>,<li><a href="../apidoc/ol.style.Text.html" title="API documentation for ol.style.Text">ol.style.Text</a></li></ul></div>
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</div>
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</div>
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<div class="row-fluid">
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<div id="source-controls">
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<a id="copy-button"><i class="fa fa-clipboard"></i> Copy</a>
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<a id="jsfiddle-button"><i class="fa fa-jsfiddle"></i> Edit</a>
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</div>
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<form method="POST" id="jsfiddle-form" target="_blank" action="http://jsfiddle.net/api/post/jquery/1.11.0/">
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<textarea class="hidden" name="js">var myDom = {
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points: {
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text: document.getElementById('points-text'),
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align: document.getElementById('points-align'),
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baseline: document.getElementById('points-baseline'),
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rotation: document.getElementById('points-rotation'),
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font: document.getElementById('points-font'),
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weight: document.getElementById('points-weight'),
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size: document.getElementById('points-size'),
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offsetX: document.getElementById('points-offset-x'),
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offsetY: document.getElementById('points-offset-y'),
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color: document.getElementById('points-color'),
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outline: document.getElementById('points-outline'),
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outlineWidth: document.getElementById('points-outline-width'),
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maxreso: document.getElementById('points-maxreso')
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},
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lines: {
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text: document.getElementById('lines-text'),
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align: document.getElementById('lines-align'),
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baseline: document.getElementById('lines-baseline'),
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rotation: document.getElementById('lines-rotation'),
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font: document.getElementById('lines-font'),
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weight: document.getElementById('lines-weight'),
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size: document.getElementById('lines-size'),
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offsetX: document.getElementById('lines-offset-x'),
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offsetY: document.getElementById('lines-offset-y'),
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color: document.getElementById('lines-color'),
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outline: document.getElementById('lines-outline'),
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outlineWidth: document.getElementById('lines-outline-width'),
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maxreso: document.getElementById('lines-maxreso')
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},
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polygons: {
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text: document.getElementById('polygons-text'),
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align: document.getElementById('polygons-align'),
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baseline: document.getElementById('polygons-baseline'),
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rotation: document.getElementById('polygons-rotation'),
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font: document.getElementById('polygons-font'),
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weight: document.getElementById('polygons-weight'),
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size: document.getElementById('polygons-size'),
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offsetX: document.getElementById('polygons-offset-x'),
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offsetY: document.getElementById('polygons-offset-y'),
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color: document.getElementById('polygons-color'),
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outline: document.getElementById('polygons-outline'),
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outlineWidth: document.getElementById('polygons-outline-width'),
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maxreso: document.getElementById('polygons-maxreso')
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}
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};
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var getText = function(feature, resolution, dom) {
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var type = dom.text.value;
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var maxResolution = dom.maxreso.value;
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var text = feature.get('name');
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if (resolution > maxResolution) {
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text = '';
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} else if (type == 'hide') {
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text = '';
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} else if (type == 'shorten') {
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text = text.trunc(12);
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} else if (type == 'wrap') {
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text = stringDivider(text, 16, '\n');
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}
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return text;
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};
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var createTextStyle = function(feature, resolution, dom) {
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var align = dom.align.value;
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var baseline = dom.baseline.value;
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var size = dom.size.value;
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var offsetX = parseInt(dom.offsetX.value, 10);
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var offsetY = parseInt(dom.offsetY.value, 10);
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var weight = dom.weight.value;
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var rotation = parseFloat(dom.rotation.value);
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var font = weight + ' ' + size + ' ' + dom.font.value;
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var fillColor = dom.color.value;
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var outlineColor = dom.outline.value;
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var outlineWidth = parseInt(dom.outlineWidth.value, 10);
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return new ol.style.Text({
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textAlign: align,
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textBaseline: baseline,
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font: font,
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text: getText(feature, resolution, dom),
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fill: new ol.style.Fill({color: fillColor}),
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stroke: new ol.style.Stroke({color: outlineColor, width: outlineWidth}),
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offsetX: offsetX,
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offsetY: offsetY,
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rotation: rotation
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});
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};
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// Polygons
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var createPolygonStyleFunction = function() {
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return function(feature, resolution) {
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var style = new ol.style.Style({
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stroke: new ol.style.Stroke({
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color: 'blue',
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width: 1
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}),
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fill: new ol.style.Fill({
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color: 'rgba(0, 0, 255, 0.1)'
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}),
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text: createTextStyle(feature, resolution, myDom.polygons)
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});
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return [style];
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};
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};
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var vectorPolygons = new ol.layer.Vector({
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source: new ol.source.Vector({
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url: 'data/geojson/polygon-samples.geojson',
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format: new ol.format.GeoJSON()
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}),
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style: createPolygonStyleFunction()
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});
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// Lines
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var createLineStyleFunction = function() {
|
|
return function(feature, resolution) {
|
|
var style = new ol.style.Style({
|
|
stroke: new ol.style.Stroke({
|
|
color: 'green',
|
|
width: 2
|
|
}),
|
|
text: createTextStyle(feature, resolution, myDom.lines)
|
|
});
|
|
return [style];
|
|
};
|
|
};
|
|
|
|
var vectorLines = new ol.layer.Vector({
|
|
source: new ol.source.Vector({
|
|
url: 'data/geojson/line-samples.geojson',
|
|
format: new ol.format.GeoJSON()
|
|
}),
|
|
style: createLineStyleFunction()
|
|
});
|
|
|
|
|
|
// Points
|
|
var createPointStyleFunction = function() {
|
|
return function(feature, resolution) {
|
|
var style = new ol.style.Style({
|
|
image: new ol.style.Circle({
|
|
radius: 10,
|
|
fill: new ol.style.Fill({color: 'rgba(255, 0, 0, 0.1)'}),
|
|
stroke: new ol.style.Stroke({color: 'red', width: 1})
|
|
}),
|
|
text: createTextStyle(feature, resolution, myDom.points)
|
|
});
|
|
return [style];
|
|
};
|
|
};
|
|
|
|
var vectorPoints = new ol.layer.Vector({
|
|
source: new ol.source.Vector({
|
|
url: 'data/geojson/point-samples.geojson',
|
|
format: new ol.format.GeoJSON()
|
|
}),
|
|
style: createPointStyleFunction()
|
|
});
|
|
|
|
var map = new ol.Map({
|
|
layers: [
|
|
new ol.layer.Tile({
|
|
source: new ol.source.MapQuest({layer: 'osm'})
|
|
}),
|
|
vectorPolygons,
|
|
vectorLines,
|
|
vectorPoints
|
|
],
|
|
target: 'map',
|
|
view: new ol.View({
|
|
center: [-8161939, 6095025],
|
|
zoom: 8
|
|
})
|
|
});
|
|
|
|
$('#refresh-points').click(function() {
|
|
vectorPoints.setStyle(createPointStyleFunction());
|
|
});
|
|
|
|
$('#refresh-lines').click(function() {
|
|
vectorLines.setStyle(createLineStyleFunction());
|
|
});
|
|
|
|
$('#refresh-polygons').click(function() {
|
|
vectorPolygons.setStyle(createPolygonStyleFunction());
|
|
});
|
|
|
|
|
|
/**
|
|
* @param {number} n The max number of characters to keep.
|
|
* @return {string} Truncated string.
|
|
*/
|
|
String.prototype.trunc = String.prototype.trunc ||
|
|
function(n) {
|
|
return this.length > n ? this.substr(0, n - 1) + '...' : this.substr(0);
|
|
};
|
|
|
|
|
|
// http://stackoverflow.com/questions/14484787/wrap-text-in-javascript
|
|
function stringDivider(str, width, spaceReplacer) {
|
|
if (str.length > width) {
|
|
var p = width;
|
|
for (; p > 0 && (str[p] != ' ' && str[p] != '-'); p--) {
|
|
}
|
|
if (p > 0) {
|
|
var left;
|
|
if (str.substring(p, p + 1) == '-') {
|
|
left = str.substring(0, p + 1);
|
|
} else {
|
|
left = str.substring(0, p);
|
|
}
|
|
var right = str.substring(p + 1);
|
|
return left + spaceReplacer + stringDivider(right, width, spaceReplacer);
|
|
}
|
|
}
|
|
return str;
|
|
}
|
|
</textarea>
|
|
<textarea class="hidden" name="css">h2 {
|
|
font-size: 1.5em;
|
|
line-height: 15px;
|
|
}
|
|
|
|
.scale-cnt {
|
|
margin: 5px;
|
|
}
|
|
|
|
.edit-form-ctn {
|
|
}
|
|
|
|
.edit-form {
|
|
float: left;
|
|
margin: 5px;
|
|
width: 230px;
|
|
padding: 4px;
|
|
border: 1px solid black;
|
|
}
|
|
|
|
.edit-form input[type="button"] {
|
|
float: right;
|
|
}
|
|
|
|
.edit-form-elem label {
|
|
display: block;
|
|
float: left;
|
|
width: 85px;
|
|
}
|
|
|
|
.edit-form-elem input[type="text"] {
|
|
width: 60px;
|
|
}
|
|
|
|
.edit-form-elem select {
|
|
width: 130px;
|
|
}
|
|
</textarea>
|
|
<textarea class="hidden" name="html"><div class="row-fluid">
|
|
<div class="span12">
|
|
<div id="map" class="map"></div>
|
|
</div>
|
|
</div>
|
|
|
|
<div class="edit-form">
|
|
<input id="refresh-points" type="button" value="Refresh" />
|
|
<h2>Points</h2>
|
|
<div class="edit-form-elem">
|
|
<label>Text: </label>
|
|
<select id="points-text">
|
|
<option value="hide">Hide</option>
|
|
<option value="normal">Normal</option>
|
|
<option value="shorten" selected="selected">Shorten</option>
|
|
<option value="wrap">Wrap</option>
|
|
</select>
|
|
<br />
|
|
<label title="Max Resolution Denominator">MaxReso.:</label>
|
|
<select id="points-maxreso">
|
|
<option value="38400">38,400</option>
|
|
<option value="19200">19,200</option>
|
|
<option value="9600">9,600</option>
|
|
<option value="4800">4,800</option>
|
|
<option value="2400">2,400</option>
|
|
<option value="1200" selected="selected">1,200</option>
|
|
<option value="600">600</option>
|
|
<option value="300">300</option>
|
|
<option value="150">150</option>
|
|
<option value="75">75</option>
|
|
<option value="32">32</option>
|
|
<option value="16">16</option>
|
|
<option value="8">8</option>
|
|
</select>
|
|
<br />
|
|
<label>Align: </label>
|
|
<select id="points-align">
|
|
<option value="center" selected="selected">Center</option>
|
|
<option value="end">End</option>
|
|
<option value="left">Left</option>
|
|
<option value="right">Right</option>
|
|
<option value="start">Start</option>
|
|
</select>
|
|
<br />
|
|
<label>Baseline: </label>
|
|
<select id="points-baseline">
|
|
<option value="alphabetic">Alphabetic</option>
|
|
<option value="bottom">Bottom</option>
|
|
<option value="hanging">Hanging</option>
|
|
<option value="ideographic">Ideographic</option>
|
|
<option value="middle" selected="selected">Middle</option>
|
|
<option value="top">Top</option>
|
|
</select>
|
|
<br />
|
|
<label>Rotation: </label>
|
|
<select id="points-rotation">
|
|
<option value="0">0°</option>
|
|
<option value="0.785398164">45°</option>
|
|
<option value="1.570796327">90°</option>
|
|
</select>
|
|
<br />
|
|
<label>Font: </label>
|
|
<select id="points-font">
|
|
<option value="Arial" selected="selected">Arial</option>
|
|
<option value="Courier New">Courier New</option>
|
|
<option value="Quattrocento Sans">Quattrocento</option>
|
|
<option value="Verdana">Verdana</option>
|
|
</select>
|
|
<br />
|
|
<label>Weight: </label>
|
|
<select id="points-weight">
|
|
<option value="bold">Bold</option>
|
|
<option value="normal" selected="selected">Normal</option>
|
|
</select>
|
|
<br />
|
|
<label>Size: </label>
|
|
<input type="text" value="12px" id="points-size" />
|
|
<br />
|
|
<label>Offset X:</label>
|
|
<input type="text" value="0" id="points-offset-x" />
|
|
<br />
|
|
<label>Offset Y:</label>
|
|
<input type="text" value="0" id="points-offset-y" />
|
|
<br />
|
|
<label>Color :</label>
|
|
<input type="text" value="#aa3300" id="points-color" />
|
|
<br />
|
|
<label title="Outline Color">O. Color:</label>
|
|
<input type="text" value="#ffffff" id="points-outline" />
|
|
<br />
|
|
<label title="Outline Width">O. Width :</label>
|
|
<input type="text" value="3" id="points-outline-width" />
|
|
</div>
|
|
</div>
|
|
|
|
<div class="edit-form">
|
|
<input id="refresh-lines" type="button" value="Refresh" />
|
|
<h2>Lines</h2>
|
|
<div class="edit-form-elem">
|
|
<label>Text: </label>
|
|
<select id="lines-text">
|
|
<option value="hide">Hide</option>
|
|
<option value="normal">Normal</option>
|
|
<option value="shorten">Shorten</option>
|
|
<option value="wrap" selected="selected">Wrap</option>
|
|
</select>
|
|
<br />
|
|
<label title="Max Resolution Denominator">MaxReso.:</label>
|
|
<select id="lines-maxreso">
|
|
<option value="38400">38,400</option>
|
|
<option value="19200">19,200</option>
|
|
<option value="9600">9,600</option>
|
|
<option value="4800">4,800</option>
|
|
<option value="2400">2,400</option>
|
|
<option value="1200" selected="selected">1,200</option>
|
|
<option value="600">600</option>
|
|
<option value="300">300</option>
|
|
<option value="150">150</option>
|
|
<option value="75">75</option>
|
|
<option value="32">32</option>
|
|
<option value="16">16</option>
|
|
<option value="8">8</option>
|
|
</select>
|
|
<br />
|
|
<label>Align: </label>
|
|
<select id="lines-align">
|
|
<option value="center" selected="selected">Center</option>
|
|
<option value="end">End</option>
|
|
<option value="left">Left</option>
|
|
<option value="right">Right</option>
|
|
<option value="start">Start</option>
|
|
</select>
|
|
<br />
|
|
<label>Baseline: </label>
|
|
<select id="lines-baseline">
|
|
<option value="alphabetic">Alphabetic</option>
|
|
<option value="bottom">Bottom</option>
|
|
<option value="hanging">Hanging</option>
|
|
<option value="ideographic">Ideographic</option>
|
|
<option value="middle" selected="selected">Middle</option>
|
|
<option value="top">Top</option>
|
|
</select>
|
|
<br />
|
|
<label>Rotation: </label>
|
|
<select id="lines-rotation">
|
|
<option value="0">0°</option>
|
|
<option value="0.785398164">45°</option>
|
|
<option value="1.570796327">90°</option>
|
|
</select>
|
|
<br />
|
|
<label>Font: </label>
|
|
<select id="lines-font">
|
|
<option value="Arial">Arial</option>
|
|
<option value="Courier New" selected="selected">Courier New</option>
|
|
<option value="Quattrocento Sans">Quattrocento</option>
|
|
<option value="Verdana">Verdana</option>
|
|
</select>
|
|
<br />
|
|
<label>Weight: </label>
|
|
<select id="lines-weight">
|
|
<option value="bold" selected="selected">Bold</option>
|
|
<option value="normal">Normal</option>
|
|
</select>
|
|
<br />
|
|
<label>Size: </label>
|
|
<input type="text" value="12px" id="lines-size" />
|
|
<br />
|
|
<label>Offset X:</label>
|
|
<input type="text" value="0" id="lines-offset-x" />
|
|
<br />
|
|
<label>Offset Y:</label>
|
|
<input type="text" value="0" id="lines-offset-y" />
|
|
<br />
|
|
<label>Color :</label>
|
|
<input type="text" value="green" id="lines-color" />
|
|
<br />
|
|
<label title="Outline Color">O. Color:</label>
|
|
<input type="text" value="#ffffff" id="lines-outline" />
|
|
<br />
|
|
<label title="Outline Width">O. Width :</label>
|
|
<input type="text" value="3" id="lines-outline-width" />
|
|
</div>
|
|
</div>
|
|
|
|
<div class="edit-form">
|
|
<input id="refresh-polygons" type="button" value="Refresh" />
|
|
<h2>Polygons</h2>
|
|
<div class="edit-form-elem">
|
|
<label>Text: </label>
|
|
<select id="polygons-text">
|
|
<option value="hide">Hide</option>
|
|
<option value="normal" selected="selected">Normal</option>
|
|
<option value="shorten">Shorten</option>
|
|
<option value="wrap">Wrap</option>
|
|
</select>
|
|
<br />
|
|
<label title="Max Resolution Denominator">MaxReso.:</label>
|
|
<select id="polygons-maxreso">
|
|
<option value="38400">38,400</option>
|
|
<option value="19200">19,200</option>
|
|
<option value="9600">9,600</option>
|
|
<option value="4800">4,800</option>
|
|
<option value="2400">2,400</option>
|
|
<option value="1200" selected="selected">1,200</option>
|
|
<option value="600">600</option>
|
|
<option value="300">300</option>
|
|
<option value="150">150</option>
|
|
<option value="75">75</option>
|
|
<option value="32">32</option>
|
|
<option value="16">16</option>
|
|
<option value="8">8</option>
|
|
</select>
|
|
<br />
|
|
<label>Align: </label>
|
|
<select id="polygons-align">
|
|
<option value="center" selected="selected">Center</option>
|
|
<option value="end">End</option>
|
|
<option value="left">Left</option>
|
|
<option value="right">Right</option>
|
|
<option value="start">Start</option>
|
|
</select>
|
|
<br />
|
|
<label>Baseline: </label>
|
|
<select id="polygons-baseline">
|
|
<option value="alphabetic">Alphabetic</option>
|
|
<option value="bottom">Bottom</option>
|
|
<option value="hanging">Hanging</option>
|
|
<option value="ideographic">Ideographic</option>
|
|
<option value="middle" selected="selected">Middle</option>
|
|
<option value="top">Top</option>
|
|
</select>
|
|
<br />
|
|
<label>Rotation: </label>
|
|
<select id="polygons-rotation">
|
|
<option value="0">0°</option>
|
|
<option value="0.785398164">45°</option>
|
|
<option value="1.570796327">90°</option>
|
|
</select>
|
|
<br />
|
|
<label>Font: </label>
|
|
<select id="polygons-font">
|
|
<option value="Arial">Arial</option>
|
|
<option value="Courier New">Courier New</option>
|
|
<option value="Quattrocento Sans">Quattrocento</option>
|
|
<option value="Verdana" selected="selected">Verdana</option>
|
|
</select>
|
|
<br />
|
|
<label>Weight: </label>
|
|
<select id="polygons-weight">
|
|
<option value="bold" selected="selected">Bold</option>
|
|
<option value="normal">Normal</option>
|
|
</select>
|
|
<br />
|
|
<label>Size: </label>
|
|
<input type="text" value="10px" id="polygons-size" />
|
|
<br />
|
|
<label>Offset X:</label>
|
|
<input type="text" value="0" id="polygons-offset-x" />
|
|
<br />
|
|
<label>Offset Y:</label>
|
|
<input type="text" value="0" id="polygons-offset-y" />
|
|
<br />
|
|
<label>Color :</label>
|
|
<input type="text" value="blue" id="polygons-color" />
|
|
<br />
|
|
<label title="Outline Color">O. Color:</label>
|
|
<input type="text" value="#ffffff" id="polygons-outline" />
|
|
<br />
|
|
<label title="Outline Width">O. Width :</label>
|
|
<input type="text" value="3" id="polygons-outline-width" />
|
|
</div>
|
|
</div>
|
|
</textarea>
|
|
<input type="hidden" name="wrap" value="l">
|
|
<input type="hidden" name="resources" value="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css,https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js,http://openlayers.org/en/v3.9.0/css/ol.css,http://openlayers.org/en/v3.9.0/build/ol.js">
|
|
</form>
|
|
<pre><code id="example-source" class="language-markup"><!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<title>Vector labels example</title>
|
|
<script src="https://code.jquery.com/jquery-1.11.2.min.js"></script>
|
|
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
|
|
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
|
|
<link rel="stylesheet" href="http://openlayers.org/en/v3.9.0/css/ol.css" type="text/css">
|
|
<script src="http://openlayers.org/en/v3.9.0/build/ol.js"></script>
|
|
|
|
<style>
|
|
h2 {
|
|
font-size: 1.5em;
|
|
line-height: 15px;
|
|
}
|
|
|
|
.scale-cnt {
|
|
margin: 5px;
|
|
}
|
|
|
|
.edit-form-ctn {
|
|
}
|
|
|
|
.edit-form {
|
|
float: left;
|
|
margin: 5px;
|
|
width: 230px;
|
|
padding: 4px;
|
|
border: 1px solid black;
|
|
}
|
|
|
|
.edit-form input[type="button"] {
|
|
float: right;
|
|
}
|
|
|
|
.edit-form-elem label {
|
|
display: block;
|
|
float: left;
|
|
width: 85px;
|
|
}
|
|
|
|
.edit-form-elem input[type="text"] {
|
|
width: 60px;
|
|
}
|
|
|
|
.edit-form-elem select {
|
|
width: 130px;
|
|
}
|
|
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<div class="container-fluid">
|
|
|
|
<div class="row-fluid">
|
|
<div class="span12">
|
|
<div id="map" class="map"></div>
|
|
</div>
|
|
</div>
|
|
|
|
<div class="edit-form">
|
|
<input id="refresh-points" type="button" value="Refresh" />
|
|
<h2>Points</h2>
|
|
<div class="edit-form-elem">
|
|
<label>Text: </label>
|
|
<select id="points-text">
|
|
<option value="hide">Hide</option>
|
|
<option value="normal">Normal</option>
|
|
<option value="shorten" selected="selected">Shorten</option>
|
|
<option value="wrap">Wrap</option>
|
|
</select>
|
|
<br />
|
|
<label title="Max Resolution Denominator">MaxReso.:</label>
|
|
<select id="points-maxreso">
|
|
<option value="38400">38,400</option>
|
|
<option value="19200">19,200</option>
|
|
<option value="9600">9,600</option>
|
|
<option value="4800">4,800</option>
|
|
<option value="2400">2,400</option>
|
|
<option value="1200" selected="selected">1,200</option>
|
|
<option value="600">600</option>
|
|
<option value="300">300</option>
|
|
<option value="150">150</option>
|
|
<option value="75">75</option>
|
|
<option value="32">32</option>
|
|
<option value="16">16</option>
|
|
<option value="8">8</option>
|
|
</select>
|
|
<br />
|
|
<label>Align: </label>
|
|
<select id="points-align">
|
|
<option value="center" selected="selected">Center</option>
|
|
<option value="end">End</option>
|
|
<option value="left">Left</option>
|
|
<option value="right">Right</option>
|
|
<option value="start">Start</option>
|
|
</select>
|
|
<br />
|
|
<label>Baseline: </label>
|
|
<select id="points-baseline">
|
|
<option value="alphabetic">Alphabetic</option>
|
|
<option value="bottom">Bottom</option>
|
|
<option value="hanging">Hanging</option>
|
|
<option value="ideographic">Ideographic</option>
|
|
<option value="middle" selected="selected">Middle</option>
|
|
<option value="top">Top</option>
|
|
</select>
|
|
<br />
|
|
<label>Rotation: </label>
|
|
<select id="points-rotation">
|
|
<option value="0">0°</option>
|
|
<option value="0.785398164">45°</option>
|
|
<option value="1.570796327">90°</option>
|
|
</select>
|
|
<br />
|
|
<label>Font: </label>
|
|
<select id="points-font">
|
|
<option value="Arial" selected="selected">Arial</option>
|
|
<option value="Courier New">Courier New</option>
|
|
<option value="Quattrocento Sans">Quattrocento</option>
|
|
<option value="Verdana">Verdana</option>
|
|
</select>
|
|
<br />
|
|
<label>Weight: </label>
|
|
<select id="points-weight">
|
|
<option value="bold">Bold</option>
|
|
<option value="normal" selected="selected">Normal</option>
|
|
</select>
|
|
<br />
|
|
<label>Size: </label>
|
|
<input type="text" value="12px" id="points-size" />
|
|
<br />
|
|
<label>Offset X:</label>
|
|
<input type="text" value="0" id="points-offset-x" />
|
|
<br />
|
|
<label>Offset Y:</label>
|
|
<input type="text" value="0" id="points-offset-y" />
|
|
<br />
|
|
<label>Color :</label>
|
|
<input type="text" value="#aa3300" id="points-color" />
|
|
<br />
|
|
<label title="Outline Color">O. Color:</label>
|
|
<input type="text" value="#ffffff" id="points-outline" />
|
|
<br />
|
|
<label title="Outline Width">O. Width :</label>
|
|
<input type="text" value="3" id="points-outline-width" />
|
|
</div>
|
|
</div>
|
|
|
|
<div class="edit-form">
|
|
<input id="refresh-lines" type="button" value="Refresh" />
|
|
<h2>Lines</h2>
|
|
<div class="edit-form-elem">
|
|
<label>Text: </label>
|
|
<select id="lines-text">
|
|
<option value="hide">Hide</option>
|
|
<option value="normal">Normal</option>
|
|
<option value="shorten">Shorten</option>
|
|
<option value="wrap" selected="selected">Wrap</option>
|
|
</select>
|
|
<br />
|
|
<label title="Max Resolution Denominator">MaxReso.:</label>
|
|
<select id="lines-maxreso">
|
|
<option value="38400">38,400</option>
|
|
<option value="19200">19,200</option>
|
|
<option value="9600">9,600</option>
|
|
<option value="4800">4,800</option>
|
|
<option value="2400">2,400</option>
|
|
<option value="1200" selected="selected">1,200</option>
|
|
<option value="600">600</option>
|
|
<option value="300">300</option>
|
|
<option value="150">150</option>
|
|
<option value="75">75</option>
|
|
<option value="32">32</option>
|
|
<option value="16">16</option>
|
|
<option value="8">8</option>
|
|
</select>
|
|
<br />
|
|
<label>Align: </label>
|
|
<select id="lines-align">
|
|
<option value="center" selected="selected">Center</option>
|
|
<option value="end">End</option>
|
|
<option value="left">Left</option>
|
|
<option value="right">Right</option>
|
|
<option value="start">Start</option>
|
|
</select>
|
|
<br />
|
|
<label>Baseline: </label>
|
|
<select id="lines-baseline">
|
|
<option value="alphabetic">Alphabetic</option>
|
|
<option value="bottom">Bottom</option>
|
|
<option value="hanging">Hanging</option>
|
|
<option value="ideographic">Ideographic</option>
|
|
<option value="middle" selected="selected">Middle</option>
|
|
<option value="top">Top</option>
|
|
</select>
|
|
<br />
|
|
<label>Rotation: </label>
|
|
<select id="lines-rotation">
|
|
<option value="0">0°</option>
|
|
<option value="0.785398164">45°</option>
|
|
<option value="1.570796327">90°</option>
|
|
</select>
|
|
<br />
|
|
<label>Font: </label>
|
|
<select id="lines-font">
|
|
<option value="Arial">Arial</option>
|
|
<option value="Courier New" selected="selected">Courier New</option>
|
|
<option value="Quattrocento Sans">Quattrocento</option>
|
|
<option value="Verdana">Verdana</option>
|
|
</select>
|
|
<br />
|
|
<label>Weight: </label>
|
|
<select id="lines-weight">
|
|
<option value="bold" selected="selected">Bold</option>
|
|
<option value="normal">Normal</option>
|
|
</select>
|
|
<br />
|
|
<label>Size: </label>
|
|
<input type="text" value="12px" id="lines-size" />
|
|
<br />
|
|
<label>Offset X:</label>
|
|
<input type="text" value="0" id="lines-offset-x" />
|
|
<br />
|
|
<label>Offset Y:</label>
|
|
<input type="text" value="0" id="lines-offset-y" />
|
|
<br />
|
|
<label>Color :</label>
|
|
<input type="text" value="green" id="lines-color" />
|
|
<br />
|
|
<label title="Outline Color">O. Color:</label>
|
|
<input type="text" value="#ffffff" id="lines-outline" />
|
|
<br />
|
|
<label title="Outline Width">O. Width :</label>
|
|
<input type="text" value="3" id="lines-outline-width" />
|
|
</div>
|
|
</div>
|
|
|
|
<div class="edit-form">
|
|
<input id="refresh-polygons" type="button" value="Refresh" />
|
|
<h2>Polygons</h2>
|
|
<div class="edit-form-elem">
|
|
<label>Text: </label>
|
|
<select id="polygons-text">
|
|
<option value="hide">Hide</option>
|
|
<option value="normal" selected="selected">Normal</option>
|
|
<option value="shorten">Shorten</option>
|
|
<option value="wrap">Wrap</option>
|
|
</select>
|
|
<br />
|
|
<label title="Max Resolution Denominator">MaxReso.:</label>
|
|
<select id="polygons-maxreso">
|
|
<option value="38400">38,400</option>
|
|
<option value="19200">19,200</option>
|
|
<option value="9600">9,600</option>
|
|
<option value="4800">4,800</option>
|
|
<option value="2400">2,400</option>
|
|
<option value="1200" selected="selected">1,200</option>
|
|
<option value="600">600</option>
|
|
<option value="300">300</option>
|
|
<option value="150">150</option>
|
|
<option value="75">75</option>
|
|
<option value="32">32</option>
|
|
<option value="16">16</option>
|
|
<option value="8">8</option>
|
|
</select>
|
|
<br />
|
|
<label>Align: </label>
|
|
<select id="polygons-align">
|
|
<option value="center" selected="selected">Center</option>
|
|
<option value="end">End</option>
|
|
<option value="left">Left</option>
|
|
<option value="right">Right</option>
|
|
<option value="start">Start</option>
|
|
</select>
|
|
<br />
|
|
<label>Baseline: </label>
|
|
<select id="polygons-baseline">
|
|
<option value="alphabetic">Alphabetic</option>
|
|
<option value="bottom">Bottom</option>
|
|
<option value="hanging">Hanging</option>
|
|
<option value="ideographic">Ideographic</option>
|
|
<option value="middle" selected="selected">Middle</option>
|
|
<option value="top">Top</option>
|
|
</select>
|
|
<br />
|
|
<label>Rotation: </label>
|
|
<select id="polygons-rotation">
|
|
<option value="0">0°</option>
|
|
<option value="0.785398164">45°</option>
|
|
<option value="1.570796327">90°</option>
|
|
</select>
|
|
<br />
|
|
<label>Font: </label>
|
|
<select id="polygons-font">
|
|
<option value="Arial">Arial</option>
|
|
<option value="Courier New">Courier New</option>
|
|
<option value="Quattrocento Sans">Quattrocento</option>
|
|
<option value="Verdana" selected="selected">Verdana</option>
|
|
</select>
|
|
<br />
|
|
<label>Weight: </label>
|
|
<select id="polygons-weight">
|
|
<option value="bold" selected="selected">Bold</option>
|
|
<option value="normal">Normal</option>
|
|
</select>
|
|
<br />
|
|
<label>Size: </label>
|
|
<input type="text" value="10px" id="polygons-size" />
|
|
<br />
|
|
<label>Offset X:</label>
|
|
<input type="text" value="0" id="polygons-offset-x" />
|
|
<br />
|
|
<label>Offset Y:</label>
|
|
<input type="text" value="0" id="polygons-offset-y" />
|
|
<br />
|
|
<label>Color :</label>
|
|
<input type="text" value="blue" id="polygons-color" />
|
|
<br />
|
|
<label title="Outline Color">O. Color:</label>
|
|
<input type="text" value="#ffffff" id="polygons-outline" />
|
|
<br />
|
|
<label title="Outline Width">O. Width :</label>
|
|
<input type="text" value="3" id="polygons-outline-width" />
|
|
</div>
|
|
</div>
|
|
|
|
</div>
|
|
<script>
|
|
var myDom = {
|
|
points: {
|
|
text: document.getElementById('points-text'),
|
|
align: document.getElementById('points-align'),
|
|
baseline: document.getElementById('points-baseline'),
|
|
rotation: document.getElementById('points-rotation'),
|
|
font: document.getElementById('points-font'),
|
|
weight: document.getElementById('points-weight'),
|
|
size: document.getElementById('points-size'),
|
|
offsetX: document.getElementById('points-offset-x'),
|
|
offsetY: document.getElementById('points-offset-y'),
|
|
color: document.getElementById('points-color'),
|
|
outline: document.getElementById('points-outline'),
|
|
outlineWidth: document.getElementById('points-outline-width'),
|
|
maxreso: document.getElementById('points-maxreso')
|
|
},
|
|
lines: {
|
|
text: document.getElementById('lines-text'),
|
|
align: document.getElementById('lines-align'),
|
|
baseline: document.getElementById('lines-baseline'),
|
|
rotation: document.getElementById('lines-rotation'),
|
|
font: document.getElementById('lines-font'),
|
|
weight: document.getElementById('lines-weight'),
|
|
size: document.getElementById('lines-size'),
|
|
offsetX: document.getElementById('lines-offset-x'),
|
|
offsetY: document.getElementById('lines-offset-y'),
|
|
color: document.getElementById('lines-color'),
|
|
outline: document.getElementById('lines-outline'),
|
|
outlineWidth: document.getElementById('lines-outline-width'),
|
|
maxreso: document.getElementById('lines-maxreso')
|
|
},
|
|
polygons: {
|
|
text: document.getElementById('polygons-text'),
|
|
align: document.getElementById('polygons-align'),
|
|
baseline: document.getElementById('polygons-baseline'),
|
|
rotation: document.getElementById('polygons-rotation'),
|
|
font: document.getElementById('polygons-font'),
|
|
weight: document.getElementById('polygons-weight'),
|
|
size: document.getElementById('polygons-size'),
|
|
offsetX: document.getElementById('polygons-offset-x'),
|
|
offsetY: document.getElementById('polygons-offset-y'),
|
|
color: document.getElementById('polygons-color'),
|
|
outline: document.getElementById('polygons-outline'),
|
|
outlineWidth: document.getElementById('polygons-outline-width'),
|
|
maxreso: document.getElementById('polygons-maxreso')
|
|
}
|
|
};
|
|
|
|
var getText = function(feature, resolution, dom) {
|
|
var type = dom.text.value;
|
|
var maxResolution = dom.maxreso.value;
|
|
var text = feature.get('name');
|
|
|
|
if (resolution > maxResolution) {
|
|
text = '';
|
|
} else if (type == 'hide') {
|
|
text = '';
|
|
} else if (type == 'shorten') {
|
|
text = text.trunc(12);
|
|
} else if (type == 'wrap') {
|
|
text = stringDivider(text, 16, '\n');
|
|
}
|
|
|
|
return text;
|
|
};
|
|
|
|
|
|
var createTextStyle = function(feature, resolution, dom) {
|
|
var align = dom.align.value;
|
|
var baseline = dom.baseline.value;
|
|
var size = dom.size.value;
|
|
var offsetX = parseInt(dom.offsetX.value, 10);
|
|
var offsetY = parseInt(dom.offsetY.value, 10);
|
|
var weight = dom.weight.value;
|
|
var rotation = parseFloat(dom.rotation.value);
|
|
var font = weight + ' ' + size + ' ' + dom.font.value;
|
|
var fillColor = dom.color.value;
|
|
var outlineColor = dom.outline.value;
|
|
var outlineWidth = parseInt(dom.outlineWidth.value, 10);
|
|
|
|
return new ol.style.Text({
|
|
textAlign: align,
|
|
textBaseline: baseline,
|
|
font: font,
|
|
text: getText(feature, resolution, dom),
|
|
fill: new ol.style.Fill({color: fillColor}),
|
|
stroke: new ol.style.Stroke({color: outlineColor, width: outlineWidth}),
|
|
offsetX: offsetX,
|
|
offsetY: offsetY,
|
|
rotation: rotation
|
|
});
|
|
};
|
|
|
|
|
|
// Polygons
|
|
var createPolygonStyleFunction = function() {
|
|
return function(feature, resolution) {
|
|
var style = new ol.style.Style({
|
|
stroke: new ol.style.Stroke({
|
|
color: 'blue',
|
|
width: 1
|
|
}),
|
|
fill: new ol.style.Fill({
|
|
color: 'rgba(0, 0, 255, 0.1)'
|
|
}),
|
|
text: createTextStyle(feature, resolution, myDom.polygons)
|
|
});
|
|
return [style];
|
|
};
|
|
};
|
|
|
|
var vectorPolygons = new ol.layer.Vector({
|
|
source: new ol.source.Vector({
|
|
url: 'data/geojson/polygon-samples.geojson',
|
|
format: new ol.format.GeoJSON()
|
|
}),
|
|
style: createPolygonStyleFunction()
|
|
});
|
|
|
|
|
|
// Lines
|
|
var createLineStyleFunction = function() {
|
|
return function(feature, resolution) {
|
|
var style = new ol.style.Style({
|
|
stroke: new ol.style.Stroke({
|
|
color: 'green',
|
|
width: 2
|
|
}),
|
|
text: createTextStyle(feature, resolution, myDom.lines)
|
|
});
|
|
return [style];
|
|
};
|
|
};
|
|
|
|
var vectorLines = new ol.layer.Vector({
|
|
source: new ol.source.Vector({
|
|
url: 'data/geojson/line-samples.geojson',
|
|
format: new ol.format.GeoJSON()
|
|
}),
|
|
style: createLineStyleFunction()
|
|
});
|
|
|
|
|
|
// Points
|
|
var createPointStyleFunction = function() {
|
|
return function(feature, resolution) {
|
|
var style = new ol.style.Style({
|
|
image: new ol.style.Circle({
|
|
radius: 10,
|
|
fill: new ol.style.Fill({color: 'rgba(255, 0, 0, 0.1)'}),
|
|
stroke: new ol.style.Stroke({color: 'red', width: 1})
|
|
}),
|
|
text: createTextStyle(feature, resolution, myDom.points)
|
|
});
|
|
return [style];
|
|
};
|
|
};
|
|
|
|
var vectorPoints = new ol.layer.Vector({
|
|
source: new ol.source.Vector({
|
|
url: 'data/geojson/point-samples.geojson',
|
|
format: new ol.format.GeoJSON()
|
|
}),
|
|
style: createPointStyleFunction()
|
|
});
|
|
|
|
var map = new ol.Map({
|
|
layers: [
|
|
new ol.layer.Tile({
|
|
source: new ol.source.MapQuest({layer: 'osm'})
|
|
}),
|
|
vectorPolygons,
|
|
vectorLines,
|
|
vectorPoints
|
|
],
|
|
target: 'map',
|
|
view: new ol.View({
|
|
center: [-8161939, 6095025],
|
|
zoom: 8
|
|
})
|
|
});
|
|
|
|
$('#refresh-points').click(function() {
|
|
vectorPoints.setStyle(createPointStyleFunction());
|
|
});
|
|
|
|
$('#refresh-lines').click(function() {
|
|
vectorLines.setStyle(createLineStyleFunction());
|
|
});
|
|
|
|
$('#refresh-polygons').click(function() {
|
|
vectorPolygons.setStyle(createPolygonStyleFunction());
|
|
});
|
|
|
|
|
|
/**
|
|
* @param {number} n The max number of characters to keep.
|
|
* @return {string} Truncated string.
|
|
*/
|
|
String.prototype.trunc = String.prototype.trunc ||
|
|
function(n) {
|
|
return this.length > n ? this.substr(0, n - 1) + '...' : this.substr(0);
|
|
};
|
|
|
|
|
|
// http://stackoverflow.com/questions/14484787/wrap-text-in-javascript
|
|
function stringDivider(str, width, spaceReplacer) {
|
|
if (str.length > width) {
|
|
var p = width;
|
|
for (; p > 0 && (str[p] != ' ' && str[p] != '-'); p--) {
|
|
}
|
|
if (p > 0) {
|
|
var left;
|
|
if (str.substring(p, p + 1) == '-') {
|
|
left = str.substring(0, p + 1);
|
|
} else {
|
|
left = str.substring(0, p);
|
|
}
|
|
var right = str.substring(p + 1);
|
|
return left + spaceReplacer + stringDivider(right, width, spaceReplacer);
|
|
}
|
|
}
|
|
return str;
|
|
}
|
|
|
|
</script>
|
|
</body>
|
|
</html></code></pre>
|
|
</div>
|
|
</div>
|
|
|
|
<script src="https://code.jquery.com/jquery-1.11.2.min.js"></script>
|
|
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
|
|
<script src="./resources/common.js"></script>
|
|
<script src="./resources/prism/prism.min.js"></script>
|
|
<script src="loader.js?id=vector-labels"></script>
|
|
|
|
</body>
|
|
</html>
|