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91 lines
3.2 KiB
HTML
91 lines
3.2 KiB
HTML
2 weeks ago
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<!DOCTYPE html>
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<html>
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<head>
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<!--
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Copyright (c) 2016-2019 Jean-Marc VIGLINO,
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released under CeCILL-B (french BSD like) licence: http://www.cecill.info/
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-->
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<title>ol-ext: Crop filter</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="description" content="Crop and mask filter on an ol map or layer." />
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<meta name="keywords" content="ol3, filter, crop, mask" />
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<!-- <link rel="stylesheet" href="../style.css" /> -->
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<link rel="stylesheet" href="ol-ext-master/ol-ext.css" />
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<!-- jQuery -->
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<script type="text/javascript" src="https://code.jquery.com/jquery-1.11.0.min.js"></script>
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<!-- FontAwesome -->
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<!-- <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css"> -->
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<!-- Openlayers -->
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<link rel="stylesheet" href="https://openlayers.org/en/latest/css/ol.css" />
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<script type="text/javascript" src="https://openlayers.org/en/latest/build/ol.js"></script>
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<!-- <script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList,URL,Object.assign"></script> -->
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<!-- ol-ext -->
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<script type="text/javascript" src="ol-ext-master/ol-ext.js"></script>
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<!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
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<!-- <script src="https://unpkg.com/elm-pep"></script> -->
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</head>
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<body >
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<!-- Map div -->
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<div id="map" style="width:100%; height:800px;"></div>
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<div class="options" >
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<ul><li>
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Filter:
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<select id="filter" onchange="setFilter()">
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<!-- <option value="crop">Crop</option> -->
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<option value="mask">Mask</option>
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</select>
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</li><li>
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<input id="inner" type="checkbox" onchange="setFilter()" /><label for="inner">inner</label>
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</li><li>
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Color of the mask:
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<select id="color" onchange="setFilter()">
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<option value="rgba(50,70,80,0.5)">White</option>
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<option value="rgba(255,0,0,1)">Red</option>
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<option value="rgba(0,255,0,0.2)">Green</option>
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<option value="rgba(0,0,255,0.2)">Blue</option>
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<option value="rgba(255,255,0,0.2)">Yellow</option>
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</select> (mask only)
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</li></ul>
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</div>
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<script type="text/javascript">
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var osm = new ol.layer.Tile({ source: new ol.source.OSM() });
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// PerspectiveMap-------3D地图的方法
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var map = new ol.PerspectiveMap({
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target: 'map',
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view: new ol.View({
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projection: 'EPSG:4326',
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zoom: 13,
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center: [113.193712,29.493999]
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}),
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interactions: ol.interaction.defaults(),
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layers:[
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//new ol.layer.Tile({ source: new ol.source.Stamen({ layer: 'watercolor' }) }),
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osm
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]
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});
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var dep = {"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[113.32585557,29.6819567],[113.08960645,29.44964411],[113.15636258,29.39675241],[113.3806483,29.65590524],[113.32585557,29.6819567]]]]}};
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var coords = dep.geometry.coordinates;
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var f = new ol.Feature(new ol.geom.MultiPolygon(coords));
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var mask = new ol.filter.Mask({ feature: f, inner:false, fill: new ol.style.Fill({ color:[50,70,80,0.8] }) });
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osm.addFilter(mask);
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map.setPerspective(30);//设置3d地图偏转
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</script>
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</body>
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</html>
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