mirror of
https://github.com/Viglino/ol-ext.git
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151 lines
5.7 KiB
HTML
151 lines
5.7 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: Splitter 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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<!-- 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/ol3-ext"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://camo.githubusercontent.com/38ef81f8aca64bb9a64448d0d70f1308ef5341ab/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f72696768745f6461726b626c75655f3132313632312e706e67" alt="Fork me on GitHub" data-canonical-src="https://s3.amazonaws.com/github/ribbons/forkme_right_darkblue_121621.png"></a>
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<a href="../../index.html">
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<h1>ol-ext: Splitter interaction</h1>
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</a>
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<div class="info">
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<b>ol.interaction.Splitter</b> is an interaction that acts as a split feature agent while editing vector features (LineString).
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<br/>
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The features are cloned. The interaction fires a <i>beforesplit</i> and <i>aftersplit</i> event on the source.
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You can listen to the event on the interaction itself or on the source of the splitted feature.
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<br/>
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The sources provided to the interaction must have a spatial index to be splitable (configured with useSpatialIndex set to true).
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<br />
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<br />
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<b>TODO:</b> Split with more than one feature (when moving nodes)
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<br />
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<b>NB:</b> If you look to an interaction that split a linestringjust on clicking a point on the feature, look at <a href="map.interaction.split.html">ol.interaction.Split</a>.
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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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Operation:
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<input type="radio" name="op" value="draw" checked="checked" /><label> Draw</label>
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<input type="radio" name="op" value="modify" /><label> Modify</label>
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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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// 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({ features: new ol.Collection() }),
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style: function(f)
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{ return [
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new ol.style.Style({
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stroke: new ol.style.Stroke({ color: '#ffcc33',width: 2 }),
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}),
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new ol.style.Style({
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image: new ol.style.RegularShape({ radius: 4, points:4, fill: new ol.style.Fill({ color: '#f00' }) }),
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geometry: new ol.geom.MultiPoint([f.getGeometry().getFirstCoordinate(),f.getGeometry().getLastCoordinate()])
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})
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]
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}
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})
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map.addLayer(vector);
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vector.getSource().addFeature(new ol.Feature(new ol.geom.LineString([[-288626, 5757848], [210354, 5576845], [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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// Add splitter before other interaction
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var splitter = new ol.interaction.Splitter({ source: vector.getSource() });
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map.addInteraction(splitter);
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// Add interactions to modify features
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var interactions =
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{ select: new ol.interaction.Select (),
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modify: new ol.interaction.Modify ({ features: vector.getSource().getFeaturesCollection() }),
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draw: new ol.interaction.Draw(
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{ source: vector.getSource(),
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type: "LineString"
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})
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}
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for (var i in interactions) map.addInteraction(interactions[i]);
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// Add a snap
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var snap = new ol.interaction.Snap({ source: vector.getSource() });
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map.addInteraction(snap);
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// Activate modification
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setInteraction = function ()
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{ //interactions.select.getFeatures().clear();
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var name = $('[name="op"]:checked').val();
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for (var i in interactions)
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{ interactions[i].set("active", (i==name));
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}
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}
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setInteraction();
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// Radio control
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$("label").click(function(){$(this).prev().click();});
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$("input:radio").on("change",setInteraction);
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// Get information when splitting
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vector.getSource().on("aftersplit", function(e)
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{ splitting = false;
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// console.log(e)
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$(".options > div").text(vector.getSource().getFeatures().length+" features"
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+ " ("+e.featureAdded.length+" added, "+e.featureRemoved.length+" removed)");
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});
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</script>
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</body>
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</html> |