Add vector label example

2014-02-27 14:41:56 -05:00
parent 6cd214c1e4
commit 0c63c76dea
2 changed files with 155 additions and 0 deletions
--- a/examples/vector-labels.js
+++ b/examples/vector-labels.js
@@ -0,0 +1,104 @@
+goog.require('ol.Feature');
+goog.require('ol.Map');
+goog.require('ol.View2D');
+goog.require('ol.layer.Tile');
+goog.require('ol.layer.Vector');
+goog.require('ol.source.GeoJSON');
+goog.require('ol.source.MapQuest');
+goog.require('ol.style.Circle');
+goog.require('ol.style.Fill');
+goog.require('ol.style.Stroke');
+goog.require('ol.style.Style');
+goog.require('ol.style.Text');
+
+
+
+// Polygons
+var vectorPolygons = new ol.layer.Vector({
+  source: new ol.source.GeoJSON({
+    projection: 'EPSG:3857',
+    url: 'data/geojson/polygon-samples.geojson'
+  }),
+  style: function(feature, resolution) {
+    var style = new ol.style.Style({
+      stroke: new ol.style.Stroke({
+        color: 'blue',
+        width: 1
+      }),
+      fill: new ol.style.Fill({
+        color: 'rgba(0, 0, 255, 0.1)'
+      }),
+      text: new ol.style.Text({
+        font: '12px Arial',
+        text: feature.getProperties().name,
+        fill: new ol.style.Fill({color: 'blue'}),
+        stroke: new ol.style.Stroke({color: 'white', width: 3})
+      })
+    });
+    return [style];
+  }
+});
+
+// Lines
+var vectorLines = new ol.layer.Vector({
+  source: new ol.source.GeoJSON({
+    projection: 'EPSG:3857',
+    url: 'data/geojson/line-samples.geojson'
+  }),
+  style: function(feature, resolution) {
+    var style = new ol.style.Style({
+      stroke: new ol.style.Stroke({
+        color: 'green',
+        width: 2
+      }),
+      text: new ol.style.Text({
+        font: '12px Arial',
+        text: feature.getProperties().name,
+        fill: new ol.style.Fill({color: 'green'}),
+        stroke: new ol.style.Stroke({color: 'white', width: 3})
+      })
+    });
+    return [style];
+  }
+});
+
+// Points
+var vectorPoints = new ol.layer.Vector({
+  source: new ol.source.GeoJSON({
+    projection: 'EPSG:3857',
+    url: 'data/geojson/point-samples.geojson'
+  }),
+  style: function(feature, resolution) {
+    var style = new ol.style.Style({
+      image: new ol.style.Circle({
+        radius: 10,
+        fill: new ol.style.Fill({color: 'rgba(255, 0, 0, 0.1)'}),
+        stroke: new ol.style.Stroke({color: 'red', width: 1})
+      }),
+      text: new ol.style.Text({
+        font: '12px Arial',
+        text: feature.getProperties().name,
+        fill: new ol.style.Fill({color: 'rgba(255, 0, 0, 1)'}),
+        stroke: new ol.style.Stroke({color: 'white', width: 3})
+      })
+    });
+    return [style];
+  }
+});
+
+var map = new ol.Map({
+  layers: [
+    new ol.layer.Tile({
+      source: new ol.source.MapQuest({layer: 'osm'})
+    }),
+    vectorPolygons,
+    vectorLines,
+    vectorPoints
+  ],
+  renderer: 'canvas',
+  target: 'map',
+  view: new ol.View2D({
+    center: [-8161939, 6095025],
+    zoom: 8
+  })
+});