aedafc0336
This makes it possible to read polygons or multipoints too. Since the encoded format is just a list of points the reader needs to be told what Feature to create from the encoded list. The example code is edited to reflect that API extension.
71 lines
2.2 KiB
HTML
71 lines
2.2 KiB
HTML
<html>
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<head>
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<script src="../OLLoader.js"></script>
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<script type="text/javascript">
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var points = [
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new OpenLayers.Geometry.Point(-120.2, 38.5),
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new OpenLayers.Geometry.Point(-120.95, 40.7),
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new OpenLayers.Geometry.Point(-126.45300000000002, 43.252)
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];
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var linestring = new OpenLayers.Feature.Vector(
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new OpenLayers.Geometry.LineString(points)
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);
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var multipoint = new OpenLayers.Feature.Vector(
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new OpenLayers.Geometry.MultiPoint(points)
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);
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var linearring = new OpenLayers.Feature.Vector(
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new OpenLayers.Geometry.LinearRing(points)
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);
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var polygon = new OpenLayers.Feature.Vector(
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new OpenLayers.Geometry.Polygon([
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new OpenLayers.Geometry.LinearRing(points)
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])
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);
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var encoded = "_p~iF~ps|U_ulLnnqC_mqNvxq`@";
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function test_Format_EncodedPolyline_constructor(t) {
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t.plan(4);
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var options = {'foo': 'bar'};
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var format = new OpenLayers.Format.EncodedPolyline(options);
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t.ok(format instanceof OpenLayers.Format.EncodedPolyline,
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"new OpenLayers.Format.EncodedPolyline returns object" );
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t.eq(format.foo, "bar", "constructor sets options correctly");
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t.eq(typeof format.read, "function", "format has a read function");
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t.eq(typeof format.write, "function", "format has a write function");
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}
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function test_Format_EncodedPolyline_read(t) {
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t.plan(4);
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var format = new OpenLayers.Format.EncodedPolyline();
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t.ok(linestring.geometry.equals(format.read(encoded).geometry),
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"format correctly reads encoded polyline");
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format = new OpenLayers.Format.EncodedPolyline({
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geometryType: "multipoint"
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});
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t.ok(multipoint.geometry.equals(format.read(encoded).geometry),
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"format correctly reads encoded multipoint");
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format.geometryType = "linearring";
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t.ok(linearring.geometry.equals(format.read(encoded).geometry),
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"format correctly reads encoded linearring");
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format.geometryType = "polygon";
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t.ok(polygon.geometry.equals(format.read(encoded).geometry),
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"format correctly reads encoded polygon");
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}
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</script>
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</head>
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<body>
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</body>
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</html>
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