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Port ol.structs.RTree to new extents

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This commit is contained in:
Tom Payne
2013-04-16 16:26:07 +02:00
parent 305089d84f
commit 1d4eaf6824
2 changed files with 39 additions and 44 deletions
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test/spec/ol/structs/rtree.test.js
+19 -20
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@@ -5,44 +5,44 @@ describe('ol.structs.RTree', function() {
describe('put and find', function() {
var rTree = new ol.structs.RTree();
rTree.put(new ol.Rectangle(0, 0, 1, 1), 1);
rTree.put(new ol.Rectangle(1, 1, 4, 4), 2);
rTree.put(new ol.Rectangle(2, 2, 3, 3), 3);
rTree.put(new ol.Rectangle(-5, -5, -4, -4), 4);
rTree.put(new ol.Rectangle(-4, -4, -1, -1), 5);
rTree.put(new ol.Rectangle(-3, -3, -2, -2), 6);
rTree.put([0, 1, 0, 1], 1);
rTree.put([1, 4, 1, 4], 2);
rTree.put([2, 3, 2, 3], 3);
rTree.put([-5, -4, -5, -4], 4);
rTree.put([-4, -1, -4, -1], 5);
rTree.put([-3, -2, -3, -2], 6);
it('stores items', function() {
expect(goog.object.getCount(rTree.find(new ol.Rectangle(
Number.NEGATIVE_INFINITY, Number.NEGATIVE_INFINITY,
Number.POSITIVE_INFINITY, Number.POSITIVE_INFINITY)))).to.be(6);
expect(goog.object.getCount(rTree.find([
Number.NEGATIVE_INFINITY, Number.POSITIVE_INFINITY,
Number.NEGATIVE_INFINITY, Number.POSITIVE_INFINITY
]))).to.be(6);
});
it('filters by rectangle', function() {
var result;
result = goog.object.getValues(rTree.find(new ol.Rectangle(2, 2, 3, 3)));
result = goog.object.getValues(rTree.find([2, 3, 2, 3]));
expect(result).to.contain(2);
expect(result).to.contain(3);
expect(result.length).to.be(2);
result = goog.object.getValues(
rTree.find(new ol.Rectangle(-1, -1, 2, 2)));
result = goog.object.getValues(rTree.find([-1, 2, -1, 2]));
expect(result).to.contain(1);
expect(result).to.contain(2);
expect(result).to.contain(3);
expect(result).to.contain(5);
expect(result.length).to.be(4);
expect(goog.object.getCount(rTree.find(new ol.Rectangle(5, 5, 6, 6))))
.to.be(0);
expect(goog.object.getCount(rTree.find([5, 6, 5, 6]))).to.be(0);
});
it('can store thousands of items and find fast', function() {
for (var i = 7; i <= 10000; ++i) {
rTree.put(new ol.Rectangle(Math.random() * -10, Math.random() * -10,
Math.random() * 10, Math.random() * 10), i);
rTree.put([
Math.random() * -10, Math.random() * 10,
Math.random() * -10, Math.random() * 10
], i);
}
expect(goog.object.getCount(
rTree.find(new ol.Rectangle(-10, -10, 10, 10)))).to.be(10000);
var result = rTree.find(new ol.Rectangle(0, 0, 0, 0));
expect(goog.object.getCount(rTree.find([-10, 10, -10, 10]))).to.be(10000);
var result = rTree.find([0, 0, 0, 0]);
expect(goog.object.getCount(result)).to.be(9995);
var values = goog.object.getValues(result);
expect(values).to.contain(1);
@@ -59,5 +59,4 @@ describe('ol.structs.RTree', function() {
});
goog.require('goog.object');
goog.require('ol.Rectangle');
goog.require('ol.structs.RTree');