Andreas Hocevar
303 lines
10 KiB
HTML
303 lines
10 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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<script src="./resources/zeroclipboard/ZeroClipboard.min.js"></script>
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<title>Z-index layer ordering 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>
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There are are two managed layers (square and triangle) and one unmanaged layer (star).</br>
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The Z-index determines the rendering order; with {square: 1, triangle: 0, star: unmanaged} indices, the rendering order is triangle, square and star on top.
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</div>
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<div>
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<label for="idx1">
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<input type="number" id="idx1"></input>
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Square layer Z-index
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</label></br>
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<label for="idx2">
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<input type="number" id="idx2"></input>
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Triangle layer Z-index
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</label>
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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">Z-index layer ordering example</h4>
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<p id="shortdesc">Example of ordering layers using Z-index.</p>
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<div id="docs"></div>
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<div id="tags">layer, ordering, z-index</div>
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<div id="api-links">Related API documentation: <ul class="inline"><li><a href="../apidoc/ol.Feature.html" title="API documentation for ol.Feature">ol.Feature</a></li>,<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.geom.Point.html" title="API documentation for ol.geom.Point">ol.geom.Point</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.Vector.html" title="API documentation for ol.source.Vector">ol.source.Vector</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.RegularShape.html" title="API documentation for ol.style.RegularShape">ol.style.RegularShape</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></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 stroke = new ol.style.Stroke({color: 'black', width: 1});
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var styles = {
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'square': [new ol.style.Style({
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image: new ol.style.RegularShape({
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fill: new ol.style.Fill({color: 'blue'}),
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stroke: stroke,
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points: 4,
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radius: 80,
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angle: Math.PI / 4
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})
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})],
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'triangle': [new ol.style.Style({
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image: new ol.style.RegularShape({
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fill: new ol.style.Fill({color: 'red'}),
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stroke: stroke,
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points: 3,
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radius: 80,
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rotation: Math.PI / 4,
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angle: 0
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})
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})],
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'star': [new ol.style.Style({
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image: new ol.style.RegularShape({
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fill: new ol.style.Fill({color: 'green'}),
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stroke: stroke,
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points: 5,
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radius: 80,
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radius2: 4,
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angle: 0
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})
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})]
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};
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function createLayer(coordinates, styles, zIndex) {
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var feature = new ol.Feature(new ol.geom.Point(coordinates));
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feature.setStyle(styles);
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var source = new ol.source.Vector({
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features: [feature]
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});
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var vectorLayer = new ol.layer.Vector({
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source: source
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});
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vectorLayer.setZIndex(zIndex);
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return vectorLayer;
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}
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var layer0 = createLayer([40, 40], styles['star'], 0);
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var layer1 = createLayer([0, 0], styles['square'], 1);
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var layer2 = createLayer([0, 40], styles['triangle'], 0);
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var layers = [];
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layers.push(layer1);
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layers.push(layer2);
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var map = new ol.Map({
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layers: layers,
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target: 'map',
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view: new ol.View({
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center: [0, 0],
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zoom: 18
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})
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});
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layer0.setMap(map);
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function bindInputs(id, layer) {
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var idxInput = $('#idx' + id);
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idxInput.on('input change', function() {
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layer.setZIndex(parseInt(this.value, 10) || 0);
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});
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idxInput.val(String(layer.getZIndex()));
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}
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bindInputs(1, layer1);
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bindInputs(2, layer2);
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</textarea>
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<textarea class="hidden" name="css"></textarea>
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<textarea class="hidden" name="html"><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>
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There are are two managed layers (square and triangle) and one unmanaged layer (star).</br>
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The Z-index determines the rendering order; with {square: 1, triangle: 0, star: unmanaged} indices, the rendering order is triangle, square and star on top.
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</div>
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<div>
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<label for="idx1">
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<input type="number" id="idx1"></input>
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Square layer Z-index
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</label></br>
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<label for="idx2">
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<input type="number" id="idx2"></input>
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Triangle layer Z-index
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</label>
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</div>
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</textarea>
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<input type="hidden" name="wrap" value="l">
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<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/v3.8.2/css/ol.css,http://openlayers.org/en/v3.8.2/build/ol.js">
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</form>
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<pre><code id="example-source" class="language-markup"><!DOCTYPE html>
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<html>
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<head>
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<title>Z-index layer ordering example</title>
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<script src="https://code.jquery.com/jquery-1.11.2.min.js"></script>
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
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<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
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<link rel="stylesheet" href="http://openlayers.org/en/v3.8.2/css/ol.css" type="text/css">
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<script src="http://openlayers.org/en/v3.8.2/build/ol.js"></script>
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</head>
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<body>
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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>
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There are are two managed layers (square and triangle) and one unmanaged layer (star).</br>
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The Z-index determines the rendering order; with {square: 1, triangle: 0, star: unmanaged} indices, the rendering order is triangle, square and star on top.
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</div>
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<div>
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<label for="idx1">
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<input type="number" id="idx1"></input>
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Square layer Z-index
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</label></br>
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<label for="idx2">
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<input type="number" id="idx2"></input>
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Triangle layer Z-index
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</label>
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</div>
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</div>
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<script>
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var stroke = new ol.style.Stroke({color: 'black', width: 1});
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var styles = {
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'square': [new ol.style.Style({
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image: new ol.style.RegularShape({
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fill: new ol.style.Fill({color: 'blue'}),
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stroke: stroke,
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points: 4,
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radius: 80,
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angle: Math.PI / 4
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})
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})],
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'triangle': [new ol.style.Style({
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image: new ol.style.RegularShape({
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fill: new ol.style.Fill({color: 'red'}),
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stroke: stroke,
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points: 3,
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radius: 80,
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rotation: Math.PI / 4,
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angle: 0
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})
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})],
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'star': [new ol.style.Style({
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image: new ol.style.RegularShape({
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fill: new ol.style.Fill({color: 'green'}),
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stroke: stroke,
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points: 5,
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radius: 80,
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radius2: 4,
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angle: 0
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})
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})]
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};
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function createLayer(coordinates, styles, zIndex) {
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var feature = new ol.Feature(new ol.geom.Point(coordinates));
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feature.setStyle(styles);
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var source = new ol.source.Vector({
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features: [feature]
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});
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var vectorLayer = new ol.layer.Vector({
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source: source
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});
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vectorLayer.setZIndex(zIndex);
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return vectorLayer;
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}
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var layer0 = createLayer([40, 40], styles['star'], 0);
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var layer1 = createLayer([0, 0], styles['square'], 1);
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var layer2 = createLayer([0, 40], styles['triangle'], 0);
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var layers = [];
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layers.push(layer1);
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layers.push(layer2);
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var map = new ol.Map({
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layers: layers,
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target: 'map',
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view: new ol.View({
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center: [0, 0],
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zoom: 18
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})
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});
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layer0.setMap(map);
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function bindInputs(id, layer) {
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var idxInput = $('#idx' + id);
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idxInput.on('input change', function() {
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layer.setZIndex(parseInt(this.value, 10) || 0);
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});
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idxInput.val(String(layer.getZIndex()));
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}
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bindInputs(1, layer1);
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bindInputs(2, layer2);
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</script>
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</body>
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</html></code></pre>
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</div>
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</div>
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<script src="https://code.jquery.com/jquery-1.11.2.min.js"></script>
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<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
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<script src="./resources/common.js"></script>
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<script src="./resources/prism/prism.min.js"></script>
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<script src="loader.js?id=layer-z-index"></script>
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</body>
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</html>
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