#807 - adding the resize-features.html example that didn't make it in before

git-svn-id: http://svn.openlayers.org/trunk/openlayers@3655 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2007-07-07 15:49:53 +00:00
parent e276f84deb
commit 249a9f6a4d
1 changed files with 94 additions and 0 deletions
--- a/examples/resize-features.html
+++ b/examples/resize-features.html
@@ -0,0 +1,94 @@
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <title>OpenLayers Resize Features Example</title>
+    <style type="text/css">
+        #map {
+            width: 500px;
+            height: 350px;
+            border: 1px solid #ccc;
+        }
+        p {
+            width: 500px;
+        }
+    </style>
+    <script src="../lib/OpenLayers.js"></script>
+    <script type="text/javascript">
+        <!--
+        var map, vectorLayer, pointFeature, lineFeature, polygonFeature;
+
+        function init(){
+            map = new OpenLayers.Map('map');
+            var layer = new OpenLayers.Layer.WMS( "OpenLayers WMS", 
+                    "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} );
+            map.addLayer(layer);
+            
+            var style_blue = OpenLayers.Util.extend({}, OpenLayers.Feature.Vector.style['default']);
+            style_blue.strokeColor = "blue"; 
+            style_blue.fillColor = "blue"; 
+            var style_green = {
+                strokeColor: "#339933",
+                strokeOpacity: 1,
+                strokeWidth: 3,
+                pointRadius: 6,
+                pointerEvents: "visiblePainted"
+            };
+            
+            vectorLayer = new OpenLayers.Layer.Vector("Simple Geometry");
+            
+            // create a point feature
+            var point = new OpenLayers.Geometry.Point(-110, 45);
+            pointFeature = new OpenLayers.Feature.Vector(point, null, style_blue);
+            
+            // create a line feature from a list of points
+            var pointList = [];
+            var newPoint = point;
+            for(var p=0; p<5; ++p) {
+                newPoint = new OpenLayers.Geometry.Point(newPoint.x + Math.random(1),
+                                                         newPoint.y + Math.random(1));
+                pointList.push(newPoint);
+            }
+            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);
+            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, lineFeature, polygonFeature]);
+            
+        }
+
+        var origin = new OpenLayers.Geometry.Point(-111.04, 45.68);
+        function resizeFeatures(scale) {
+            pointFeature.geometry.resize(scale, origin);
+            lineFeature.geometry.resize(scale, origin);
+            polygonFeature.geometry.resize(scale, origin);
+            vectorLayer.redraw();
+        }
+
+        // -->
+    </script>
+  </head>
+  <body onload="init()">
+    <div id="map"></div>
+    <p>This example demonstrates how features can be resized.  There is not yet
+    a control built that provides a tool for resizing, but the geometry.resize
+    method can be accessed to resize programmatically.</p>
+    <p>Make the features <a href="javascript: resizeFeatures(1.5);">bigger</a>
+    or <a href="javascript: resizeFeatures(1 / 1.5);">smaller</a>.
+  </body>
+</html>