mirror of
https://github.com/Viglino/ol-ext.git
synced 2026-01-25 17:36:21 +00:00
284 lines
14 KiB
HTML
284 lines
14 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: Transform 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="transform interaction for OL3" />
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<meta name="keywords" content="ol3, vector, transform, rotate, scale, stretch" />
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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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<!-- 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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<!-- 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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</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: Transform interaction</h1>
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</a>
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<div class="info">
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<!-- force font to load -->
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<i class="fa fa-rotate-left" style="position:absolute; top:-1000px;"></i>
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<b>ol.interaction.Transform</b> is an interaction to transform features (scale, translate, rotate).
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Handles are drawn on the map to manipulate the features
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<ul><li>
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Properties can be set to select transforming operations.
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</li><li>
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Handles can be styled with ol.style.
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</li><li>
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ol.event are thrown to control the transformation (to set an angle propertie on point features to use with ol.style for example)
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</li>
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</li></ul>
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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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<input id="style" type="checkbox" onchange="setHandleStyle()" /><label for="style"> styles transform handles (using fontawesome)</label>
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</li><li>
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<input id="scale" type="checkbox" onchange="setPropertie(this.id);" checked="checked" /><label for="scale"> enable scale</label>
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</li><li>
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<input id="stretch" type="checkbox" onchange="setPropertie(this.id);" checked="checked" /><label for="stretch"> enable stretch</label>
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</li><li>
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<input id="rotate" type="checkbox" onchange="setPropertie(this.id);" checked="checked" /><label for="rotate"> enable rotate</label>
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</li><li>
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<input id="translate" type="checkbox" onchange="setPropertie(this.id);" checked="checked" /><label for="translate"> enable translate</label>
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</li><li>
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<input id="translateFeature" type="checkbox" onchange="setPropertie(this.id);" /><label for="translateFeature"> translate when click on feature</label>
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</li><li>
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<input id="keepAspectRatio" type="checkbox" onchange="setAspectRatio(this.id);" /><label for="keepAspectRatio"> force keepAspectRatio (default use <i>Shift</i>)</label>
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</li><li>
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SetRotateCenter:
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<button onclick='firstPoint=false; interaction.setCenter()'>objects</button>
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<button onclick='firstPoint=false; interaction.setCenter(map.getView().getCenter())'>view center</button>
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<button onclick='firstPoint=true;'>first point</button>
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</li><li>
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<hr/>
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Use <i>Shift</i> to add object to tranform
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<hr/>
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Use <i>Shift</i> key to preserve proportions when scaling (see keepAspectRatio).
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<br />
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Use <i>Ctrl</i> key to modify the center when scaling.
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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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name: "Natural Earth",
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minResolution: 306,
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source: new ol.source.XYZ(
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{ url: 'https://{a-d}.tiles.mapbox.com/v3/mapbox.natural-earth-hypso-bathy/{z}/{x}/{y}.png',
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attributions: [ '© <a href="https://www.mapbox.com/map-feedback/">Mapbox</a> ' ]
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})
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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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// Style
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function getStyle(feature)
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{
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return [ new ol.style.Style(
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{ image: new ol.style.RegularShape({
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fill: new ol.style.Fill({color: [0,0,255,0.4]}),
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stroke: new ol.style.Stroke({color: [0,0,255,1],width: 1}),
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radius: 10,
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points: 3,
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angle: feature.get('angle')||0
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}),
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fill: new ol.style.Fill({color: [0,0,255,0.4]}),
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stroke: new ol.style.Stroke({color: [0,0,255,1],width: 1})
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})];
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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({ wrapX: false }),
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style: getStyle
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})
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map.addLayer(vector);
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vector.getSource().addFeature(new ol.Feature(new ol.geom.Polygon([[[34243, 6305749], [-288626, 5757848], [210354, 5576845], [300000, 6000000], [34243, 6305749]]])));
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vector.getSource().addFeature(new ol.Feature(new ol.geom.LineString([[406033, 5664901], [689767, 5718712], [699551, 6149206], [425601, 6183449]])));
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vector.getSource().addFeature(new ol.Feature(new ol.geom.Point( [269914, 6248592])));
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// Set cursor style
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ol.interaction.Transform.prototype.Cursors['rotate'] = 'url(\'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABcAAAAXAgMAAACdRDwzAAAAAXNSR0IArs4c6QAAAAlQTFRF////////AAAAjvTD7AAAAAF0Uk5TAEDm2GYAAAABYktHRACIBR1IAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH2wwSEgUFmXJDjQAAAEZJREFUCNdjYMAOuCCk6goQpbp0GpRSAFKcqdNmQKgIILUoNAxIMUWFhoKosNDQBKDgVAilCqcaQBogFFNoGNjsqSgUTgAAM3ES8k912EAAAAAASUVORK5CYII=\') 5 5, auto';
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ol.interaction.Transform.prototype.Cursors['rotate0'] = 'url(\'data:image/png;base64,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\') 5 5, auto';
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/** Style the transform handles for the current interaction
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*/
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function setHandleStyle()
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{ if (!interaction instanceof ol.interaction.Transform) return;
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if ($("#style").prop('checked'))
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{ // Style the rotate handle
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var circle = new ol.style.RegularShape({
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fill: new ol.style.Fill({color:[255,255,255,0.01]}),
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stroke: new ol.style.Stroke({width:1, color:[0,0,0,0.01]}),
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radius: 8,
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points: 10
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});
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interaction.setStyle ('rotate',
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new ol.style.Style(
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{ text: new ol.style.Text (
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{ text:'\uf0e2',
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font:"16px Fontawesome",
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textAlign: "left",
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fill:new ol.style.Fill({color:'red'})
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}),
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image: circle
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}));
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// Center of rotation
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interaction.setStyle ('rotate0',
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new ol.style.Style(
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{ text: new ol.style.Text (
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{ text:'\uf0e2',
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font:"20px Fontawesome",
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fill: new ol.style.Fill({ color:[255,255,255,0.8] }),
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stroke: new ol.style.Stroke({ width:2, color:'red' })
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}),
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}));
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// Style the move handle
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interaction.setStyle('translate',
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new ol.style.Style(
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{ text: new ol.style.Text (
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{ text:'\uf047',
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font:"20px Fontawesome",
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fill: new ol.style.Fill({ color:[255,255,255,0.8] }),
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stroke: new ol.style.Stroke({ width:2, color:'red' })
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})
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}));
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// Style the strech handles
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/* uncomment to style * /
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interaction.setStyle ('scaleh1',
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new ol.style.Style(
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{ text: new ol.style.Text (
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{ text:'\uf07d',
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font:"bold 20px Fontawesome",
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fill: new ol.style.Fill({ color:[255,255,255,0.8] }),
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stroke: new ol.style.Stroke({ width:2, color:'red' })
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})
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}));
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interaction.style.scaleh3 = interaction.style.scaleh1;
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interaction.setStyle('scalev',
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new ol.style.Style(
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{ text: new ol.style.Text (
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{ text:'\uf07e',
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font:"bold 20px Fontawesome",
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fill: new ol.style.Fill({ color:[255,255,255,0.8] }),
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stroke: new ol.style.Stroke({ width:2, color:'red' })
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})
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}));
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interaction.style.scalev2 = interaction.style.scalev;
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/**/
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}
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else
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{ interaction.setDefaultStyle ();
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}
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// Refresh
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interaction.set('translate', interaction.get('translate'));
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};
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/** Set properties
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*/
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function setPropertie (p)
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{ interaction.set(p, $("#"+p).prop('checked'));
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if (!$("#scale").prop("checked")) $("#stretch").prop('disabled', true);
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else $("#stretch").prop('disabled', false);
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}
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function setAspectRatio (p)
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{ if ($("#"+p).prop('checked')) interaction.set("keepAspectRatio", ol.events.condition.always);
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else interaction.set("keepAspectRatio", function(e){ return e.originalEvent.shiftKey });
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}
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var interaction = new ol.interaction.Transform (
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{ addCondition: ol.events.condition.shiftKeyOnly,
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// filter: function(f,l) { return f.getGeometry().getType()==='Polygon'; },
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// layers: [vector],
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hitTolerance: 2,
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translateFeature: $("#translateFeature").prop('checked'),
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scale: $("#scale").prop('checked'),
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rotate: $("#rotate").prop('checked'),
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keepAspectRatio: $("#keepAspectRatio").prop('checked') ? ol.events.condition.always : undefined,
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translate: $("#translate").prop('checked'),
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stretch: $("#stretch").prop('checked')
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});
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map.addInteraction(interaction);
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// Style handles
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setHandleStyle();
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// Events handlers
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var startangle = 0;
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var d=[0,0];
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// Handle rotate on first point
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var firstPoint = false;
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interaction.on (['select'], function(e) {
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if (firstPoint && e.features && e.features.length) {
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interaction.setCenter(e.features[0].getGeometry().getFirstCoordinate());
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}
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});
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interaction.on (['rotatestart','translatestart'], function(e)
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{ // Rotation
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startangle = e.feature.get('angle')||0;
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// Translation
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d=[0,0];
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});
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interaction.on('rotating', function (e)
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{ $('#info').text("rotate: "+((e.angle*180/Math.PI -180)%360+180).toFixed(2));
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// Set angle attribute to be used on style !
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e.feature.set('angle', startangle - e.angle);
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});
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interaction.on('translating', function (e)
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{ d[0]+=e.delta[0];
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d[1]+=e.delta[1];
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$('#info').text("translate: "+d[0].toFixed(2)+","+d[1].toFixed(2));
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});
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interaction.on('scaling', function (e)
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{ $('#info').text("scale: "+e.scale[0].toFixed(2)+","+e.scale[1].toFixed(2));
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});
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interaction.on(['rotateend', 'translateend', 'scaleend'], function (e) { $('#info').text(""); });
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</script>
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</body>
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</html> |