mirror of
https://github.com/Viglino/ol-ext.git
synced 2026-01-25 17:36:21 +00:00
108 lines
3.7 KiB
HTML
108 lines
3.7 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<!--
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Copyright (c) 2016-2018 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: DrawRegular interaction</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="description" content="an OL3 interaction to draw regular polygon" />
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<meta name="keywords" content="ol3, interaction, draw, regular, rectangle, circle, triangle" />
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<link rel="stylesheet" href="../style.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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<!-- 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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<link rel="stylesheet" href="../../dist/ol-ext.css" />
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<script type="text/javascript" src="../../dist/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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<a href="https://github.com/Viglino/ol-ext" class="icss-github-corner"><i></i></a>
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<a href="../../index.html">
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<h1>ol-ext: DrawRegular interaction</h1>
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</a>
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<div class="info">
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<b>ol.interaction.DrawRegular</b> is an interaction to draw regular polygon (circle/ellipse, triangle, square/rectangles, etc).
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</div>
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<!-- Map div -->
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<div id="map" style="width:600px; height:400px;"></div>
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<div class="options" >
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<h2>Options:</h2>
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<ul><li>
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<label for="sides">sides:</label>
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<input id="sides" type="number" onchange="interaction.setSides(this.value);" value="4" min="0" />
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<i>(<3 mean circle)</i>
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</li><li>
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<input id="rotation" type="checkbox" checked="checked" onchange="interaction.canRotate($(this).prop('checked'));" />
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<label for="rotation">allow rotation (when <i>Ctrl+Shift</i>)</label>
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</li><li>
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<i>Shift</i>: force square features.
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</li><li>
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<i>Ctrl</i>: center features.
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</li></ul>
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<div style="background:white; padding:0 0.45em;"><span id="info"></span> </div>
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</div>
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<script type="text/javascript">
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// Layers
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var layers = [
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new ol.layer.Tile({
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title:'terrain-background',
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source: new ol.source.Stamen({ layer: 'terrain' })
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})
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]
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// The map
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var map = new ol.Map({
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target: 'map',
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view: new ol.View({
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zoom: 5,
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center: [261720, 5951081]
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}),
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controls: ol.control.defaults({ "attribution": false }),
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layers: layers
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});
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// New vector layer
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var vector = new ol.layer.Vector({
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name: 'Vecteur',
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source: new ol.source.Vector()
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});
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map.addLayer(vector);
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var interaction = new ol.interaction.DrawRegular ({
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source: vector.getSource(),
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sides:$("#sides").val() ,
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canRotate: $("#rotation").prop('checked')
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});
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map.addInteraction(interaction);
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interaction.on('drawstart', function (e) {
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// e.feature.on('change', function (){console.log('change');})
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});
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// Events handlers
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interaction.on('drawing', function (e) {
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if (e.feature.getGeometry().getArea) $('#info').html(
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(e.feature.getGeometry().getArea()/1000000).toFixed(2)
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+" km<sup>2</sup>");
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});
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interaction.on('drawend', function (e) { $('#info').text(""); });
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</script>
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</body>
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</html> |