Changeset 8582

Timestamp:

01/05/09 14:23:01 (1 year ago)

Author:

elemoine

Message:

Add support for GeoJSON Bounding Box/Envelope, r=crschmidt (closes #1878)

Files:

• trunk/openlayers/lib/OpenLayers/Feature/Vector.js (modified) (1 diff)
• trunk/openlayers/lib/OpenLayers/Format/GeoJSON.js (modified) (2 diffs)
• trunk/openlayers/tests/Format/GeoJSON.html (modified) (1 diff)

trunk/openlayers/lib/OpenLayers/Feature/Vector.js

@@ -47 +47 @@
-     */
-    attributes: null,
+
+    /**
+     * Property: bounds
+     * {<OpenLayers.Bounds>} The box bounding that feature's geometry, that
+     *     property can be set by an <OpenLayers.Format> object when
+     *     deserializing the feature, so in most cases it represents an
+     *     information set by the server. 
+     */
+    bounds: null,
-
-    /** 

trunk/openlayers/lib/OpenLayers/Format/GeoJSON.js

@@ -179 +179 @@
-     */
-    parseFeature: function(obj) {
-
+, bbox
-        attributes = (obj.properties) ? obj.properties : {};
+        bbox = (obj.geometry && obj.geometry.bbox) || obj.bbox;
-        try {
-            
+
-        } catch(err) {
-            // deal with bad geometries
@@ -188 +189 @@
-        }
-        feature = new OpenLayers.Feature.Vector(geometry, attributes);
+        if(bbox) {
+            feature.bounds = OpenLayers.Bounds.fromArray(bbox);
+        }
-        if(obj.id) {
-            feature.fid = obj.id;

trunk/openlayers/tests/Format/GeoJSON.html

@@ -387 +387 @@
-    }
-
+    function test_read_bbox(t) {
+        t.plan(8);
+
+        var f;
+        parser = new OpenLayers.Format.GeoJSON();
+
+        // 4 tests
+        f = '{"geometry": {"type": "Point", "coordinates": [94.21875, 72.94921875], "bbox": [94.21875, 72.94921875, 94.21875, 72.94921875]}, "type": "Feature", "id": 573, "properties": {}, "bbox": [95.0, 73.0]}';
+        data = parser.read(f);
+        t.eq(data[0].bounds.left, 94.21875, "read left bound is correct");
+        t.eq(data[0].bounds.bottom, 72.94921875, "read bottom left bound is correct");
+        t.eq(data[0].bounds.right, 94.21875, "read right bound is correct");
+        t.eq(data[0].bounds.top, 72.94921875, "read top left bound is correct");
+
+        // 4 tests
+        f = '{"geometry": {"type": "Point", "coordinates": [94.21875, 72.94921875]}, "type": "Feature", "id": 573, "properties": {}, "bbox": [95.0, 73.0, 96.0, 74.0]}';
+        data = parser.read(f);
+        t.eq(data[0].bounds.left, 95.0, "read left bound is correct");
+        t.eq(data[0].bounds.bottom, 73.0, "read bottom left bound is correct");
+        t.eq(data[0].bounds.right, 96.0, "read right bound is correct");
+        t.eq(data[0].bounds.top, 74.0, "read top left bound is correct");
+    }
+
-    </script> 
-</head>