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Merge pull request #4917 from ahocevar/flexible-cluster

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Make ol.source.Cluster more flexible by adding a geometryFunction option
This commit is contained in:
Andreas Hocevar
2016-02-29 10:40:12 +01:00
parent 3194d0ebd4 0407e779f9
commit 9b8ab88e41
3 changed files with 108 additions and 29 deletions
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46
test/spec/ol/source/clustersource.test.js
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@@ -14,8 +14,54 @@ describe('ol.source.Cluster', function() {
expect(source).to.be.a(ol.source.Cluster);
});
});
describe('#loadFeatures', function() {
var extent = [-1, -1, 1, 1];
var projection = ol.proj.get('EPSG:3857');
it('clusters a source with point features', function() {
var source = new ol.source.Cluster({
source: new ol.source.Vector({
features: [
new ol.Feature(new ol.geom.Point([0, 0])),
new ol.Feature(new ol.geom.Point([0, 0]))
]
})
});
source.loadFeatures(extent, 1, projection);
expect(source.getFeatures().length).to.be(1);
expect(source.getFeatures()[0].get('features').length).to.be(2);
});
it('clusters with a custom geometryFunction', function() {
var source = new ol.source.Cluster({
geometryFunction: function(feature) {
var geom = feature.getGeometry();
if (geom.getType() == 'Point') {
return geom;
} else if (geom.getType() == 'Polygon') {
return geom.getInteriorPoint();
}
return null;
},
source: new ol.source.Vector({
features: [
new ol.Feature(new ol.geom.Point([0, 0])),
new ol.Feature(new ol.geom.LineString([[0, 0], [1, 1]])),
new ol.Feature(new ol.geom.Polygon(
[[[-1, -1], [-1, 1], [1, 1], [1, -1], [-1, -1]]]))
]
})
});
source.loadFeatures(extent, 1, projection);
expect(source.getFeatures().length).to.be(1);
expect(source.getFeatures()[0].get('features').length).to.be(2);
});
})
});
goog.require('ol.Feature');
goog.require('ol.geom.LineString');
goog.require('ol.geom.Point');
goog.require('ol.geom.Polygon');
goog.require('ol.proj');
goog.require('ol.source.Cluster');
goog.require('ol.source.Source');