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Add support for OSM vector tiles

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This commit is contained in:
Andreas Hocevar
2015-12-04 16:46:44 +01:00
parent 952a282756
commit a940cdd6a7
10 changed files with 229 additions and 17 deletions
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24
src/ol/featureloader.js
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@@ -9,6 +9,9 @@ goog.require('goog.net.XhrIo');
goog.require('goog.net.XhrIo.ResponseType');
goog.require('ol.TileState');
goog.require('ol.format.FormatType');
goog.require('ol.proj');
goog.require('ol.proj.Projection');
goog.require('ol.proj.Units');
goog.require('ol.xml');
@@ -100,12 +103,21 @@ ol.featureloader.loadFeaturesXhr = function(url, format, success, failure) {
goog.asserts.fail('unexpected format type');
}
if (source) {
var features = format.readFeatures(source,
{featureProjection: projection});
if (ol.ENABLE_VECTOR_TILE && success.length == 2) {
success.call(this, features, format.readProjection(source));
var dataProjection = format.readProjection(source);
var units = dataProjection.getUnits();
if (units === ol.proj.Units.TILE_PIXELS) {
projection = new ol.proj.Projection({
code: projection.getCode(),
units: units
});
this.setProjection(projection);
}
success.call(this, format.readFeatures(source,
{featureProjection: projection}), dataProjection);
} else {
success.call(this, features);
success.call(this, format.readFeatures(source,
{featureProjection: projection}));
}
} else {
goog.asserts.fail('undefined or null source');
@@ -142,7 +154,9 @@ ol.featureloader.tile = function(url, format) {
* @this {ol.VectorTile}
*/
function(features, projection) {
this.setProjection(projection);
if (ol.proj.equivalent(projection, this.getProjection())) {
this.setProjection(projection);
}
this.setFeatures(features);
},
/**