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authorChris Schlaeger <chris@linux.com>2014-08-12 21:56:44 +0200
committerChris Schlaeger <chris@linux.com>2014-08-12 21:56:44 +0200
commitea346a785dc1b3f7c156f6fc33da634e1f1a627b (patch)
treeaf67530553d20b6e82ad60fd79593e9c4abf5565 /misc/openlayers/examples/vector-features.html
parent59741cd535c47f25971bf8c32b25da25ceadc6d5 (diff)
downloadpostrunner-0.0.4.zip
Adding jquery, flot and openlayers to be included with the GEM.v0.0.4
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+<!DOCTYPE html>
+<html>
+ <head>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+ <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
+ <meta name="apple-mobile-web-app-capable" content="yes">
+ <title>OpenLayers: Vector Features</title>
+ <link rel="stylesheet" href="../theme/default/style.css" type="text/css">
+ <link rel="stylesheet" href="style.css" type="text/css">
+ <script src="../lib/OpenLayers.js" type="text/javascript"></script>
+ <script type="text/javascript">
+ var map;
+
+ function init(){
+ map = new OpenLayers.Map('map');
+ var layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
+ "http://vmap0.tiles.osgeo.org/wms/vmap0", {layers: 'basic'} );
+ map.addLayer(layer);
+
+ // allow testing of specific renderers via "?renderer=Canvas", etc
+ var renderer = OpenLayers.Util.getParameters(window.location.href).renderer;
+ renderer = (renderer) ? [renderer] : OpenLayers.Layer.Vector.prototype.renderers;
+
+ /*
+ * Layer style
+ */
+ // we want opaque external graphics and non-opaque internal graphics
+ var layer_style = OpenLayers.Util.extend({}, OpenLayers.Feature.Vector.style['default']);
+ layer_style.fillOpacity = 0.2;
+ layer_style.graphicOpacity = 1;
+
+ /*
+ * Blue style
+ */
+ var style_blue = OpenLayers.Util.extend({}, layer_style);
+ style_blue.strokeColor = "blue";
+ style_blue.fillColor = "blue";
+ style_blue.graphicName = "star";
+ style_blue.pointRadius = 10;
+ style_blue.strokeWidth = 3;
+ style_blue.rotation = 45;
+ style_blue.strokeLinecap = "butt";
+
+ /*
+ * Green style
+ */
+ var style_green = {
+ strokeColor: "#00FF00",
+ strokeWidth: 3,
+ strokeDashstyle: "dashdot",
+ pointRadius: 6,
+ pointerEvents: "visiblePainted",
+ title: "this is a green line"
+ };
+
+ /*
+ * Mark style
+ */
+ var style_mark = OpenLayers.Util.extend({}, OpenLayers.Feature.Vector.style['default']);
+ // each of the three lines below means the same, if only one of
+ // them is active: the image will have a size of 24px, and the
+ // aspect ratio will be kept
+ // style_mark.pointRadius = 12;
+ // style_mark.graphicHeight = 24;
+ // style_mark.graphicWidth = 24;
+
+ // if graphicWidth and graphicHeight are both set, the aspect ratio
+ // of the image will be ignored
+ style_mark.graphicWidth = 24;
+ style_mark.graphicHeight = 20;
+ style_mark.graphicXOffset = 10; // default is -(style_mark.graphicWidth/2);
+ style_mark.graphicYOffset = -style_mark.graphicHeight;
+ style_mark.externalGraphic = "../img/marker.png";
+ // title only works in Firefox and Internet Explorer
+ style_mark.title = "this is a test tooltip";
+
+ var vectorLayer = new OpenLayers.Layer.Vector("Simple Geometry", {
+ style: layer_style,
+ renderers: renderer
+ });
+
+ // create a point feature
+ var point = new OpenLayers.Geometry.Point(-111.04, 45.68);
+ var pointFeature = new OpenLayers.Feature.Vector(point,null,style_blue);
+ var point2 = new OpenLayers.Geometry.Point(-105.04, 49.68);
+ var pointFeature2 = new OpenLayers.Feature.Vector(point2,null,style_green);
+ var point3 = new OpenLayers.Geometry.Point(-105.04, 49.68);
+ var pointFeature3 = new OpenLayers.Feature.Vector(point3,null,style_mark);
+
+ // create a line feature from a list of points
+ var pointList = [];
+ var newPoint = point;
+ for(var p=0; p<15; ++p) {
+ newPoint = new OpenLayers.Geometry.Point(newPoint.x + Math.random(1),
+ newPoint.y + Math.random(1));
+ pointList.push(newPoint);
+ }
+ var lineFeature = new OpenLayers.Feature.Vector(
+ new OpenLayers.Geometry.LineString(pointList),null,style_green);
+
+ // create a polygon feature from a linear ring of points
+ var pointList = [];
+ for(var p=0; p<6; ++p) {
+ var a = p * (2 * Math.PI) / 7;
+ var r = Math.random(1) + 1;
+ var newPoint = new OpenLayers.Geometry.Point(point.x + (r * Math.cos(a)),
+ point.y + (r * Math.sin(a)));
+ pointList.push(newPoint);
+ }
+ pointList.push(pointList[0]);
+
+ var linearRing = new OpenLayers.Geometry.LinearRing(pointList);
+ var polygonFeature = new OpenLayers.Feature.Vector(
+ new OpenLayers.Geometry.Polygon([linearRing]));
+
+
+ map.addLayer(vectorLayer);
+ map.setCenter(new OpenLayers.LonLat(point.x, point.y), 5);
+ vectorLayer.addFeatures([pointFeature, pointFeature3, pointFeature2, lineFeature, polygonFeature]);
+ }
+ </script>
+ </head>
+ <body onload="init()">
+<h1 id="title">Drawing Simple Vector Features Example</h1>
+
+<div id="tags">
+ vector, feature, light
+</div>
+<p id="shortdesc">
+ Shows the use of the shows drawing simple vector features, in different styles.
+</p>
+<div id="map" class="smallmap"></div>
+<div id="docs">
+ <p>This example shows drawing simple vector features -- point, line, polygon
+ in different styles, created 'manually', by constructing the entire style
+ object, via 'copy', extending the default style object, and by
+ inheriting the default style from the layer.</p>
+ <p>It also shows how to use external graphic files for point features
+ and how to set their size: If either graphicWidth or graphicHeight is set,
+ the aspect ratio of the image will be respected. If both graphicWidth and
+ graphicHeight are set, it will be ignored. Alternatively, if graphicWidth
+ and graphicHeight are omitted, pointRadius will be used to set the size
+ of the image, which will then be twice the value of pointRadius with the
+ original aspect ratio.</p>
+</div>
+
+ </body>
+</html>
+
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