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Avoid simplifying geometries when it will have no effect

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This commit is contained in:
Tom Payne
2013-12-06 19:35:10 +01:00
parent c6181ea9d1
commit b374d5c5b8
2 changed files with 38 additions and 4 deletions
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13
test/spec/ol/geom/linestring.test.js
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@@ -161,7 +161,7 @@ describe('ol.geom.LineString', function() {
var lineString;
beforeEach(function() {
lineString = new ol.geom.LineString(
[[0, 0], [1, 1], [3, 3], [5, 1], [6, 3], [7, 5]]);
[[0, 0], [1.5, 1], [3, 3], [5, 1], [6, 3.5], [7, 5]]);
});
describe('#getSimplifiedGeometry', function() {
@@ -186,7 +186,18 @@ describe('ol.geom.LineString', function() {
expect(simplifiedGeometry1).not.to.be(simplifiedGeometry2);
});
it('remembers the minimum squared tolerance', function() {
sinon.spy(lineString, 'getSimplifiedGeometryInternal');
var simplifiedGeometry1 = lineString.getSimplifiedGeometry(0.05);
expect(lineString.getSimplifiedGeometryInternal.callCount).to.be(1);
expect(simplifiedGeometry1).to.be(lineString);
var simplifiedGeometry2 = lineString.getSimplifiedGeometry(0.01);
expect(lineString.getSimplifiedGeometryInternal.callCount).to.be(1);
expect(simplifiedGeometry2).to.be(lineString);
});
});
});
});