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Add VectorTile layer, source and tile

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This commit is contained in:
Andreas Hocevar
2015-10-13 14:29:14 +02:00
parent fa88b578a4
commit 7d3fc3ccc7
6 changed files with 677 additions and 8 deletions
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37
src/ol/featureloader.js
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@@ -46,9 +46,9 @@ ol.FeatureUrlFunction;
/**
* @param {string|ol.FeatureUrlFunction} url Feature URL service.
* @param {ol.format.Feature} format Feature format.
* @param {function(this:ol.source.Vector, Array.<ol.Feature>)} success
* Function called with the loaded features. Called with the vector
* source as `this`.
* @param {function(this:ol.source.Vector, Array.<ol.Feature>, ol.proj.Projection)|function(this:ol.source.Vector, Array.<ol.Feature>)} success
* Function called with the loaded features and optionally with the data
* projection. Called with the vector source as `this`.
* @return {ol.FeatureLoader} The feature loader.
*/
ol.featureloader.loadFeaturesXhr = function(url, format, success) {
@@ -57,7 +57,7 @@ ol.featureloader.loadFeaturesXhr = function(url, format, success) {
* @param {ol.Extent} extent Extent.
* @param {number} resolution Resolution.
* @param {ol.proj.Projection} projection Projection.
* @this {ol.source.Vector}
* @this {ol.source.Vector|ol.VectorTile}
*/
function(extent, resolution, projection) {
var xhrIo = new goog.net.XhrIo();
@@ -98,7 +98,11 @@ ol.featureloader.loadFeaturesXhr = function(url, format, success) {
if (source) {
var features = format.readFeatures(source,
{featureProjection: projection});
success.call(this, features);
if (success.length == 2) {
success.call(this, features, format.readProjection(source));
} else {
success.call(this, features);
}
} else {
goog.asserts.fail('undefined or null source');
}
@@ -117,6 +121,29 @@ ol.featureloader.loadFeaturesXhr = function(url, format, success) {
};
/**
* Create an XHR feature loader for a `url` and `format`. The feature loader
* loads features (with XHR), parses the features, and adds them to the
* vector tile.
* @param {string|ol.FeatureUrlFunction} url Feature URL service.
* @param {ol.format.Feature} format Feature format.
* @return {ol.FeatureLoader} The feature loader.
* @api
*/
ol.featureloader.tile = function(url, format) {
return ol.featureloader.loadFeaturesXhr(url, format,
/**
* @param {Array.<ol.Feature>} features The loaded features.
* @param {ol.proj.Projection} projection Data projection.
* @this {ol.VectorTile}
*/
function(features, projection) {
this.setProjection(projection);
this.setFeatures(features);
});
};
/**
* Create an XHR feature loader for a `url` and `format`. The feature loader
* loads features (with XHR), parses the features, and adds them to the