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Add ol.proj.transformExtent function

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This commit is contained in:
Tim Schaub
2014-07-06 13:22:47 -06:00
parent 6f398f93dd
commit 1f88015db0
2 changed files with 39 additions and 3 deletions
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17
test/spec/ol/proj/proj.test.js
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@@ -101,6 +101,23 @@ describe('ol.proj', function() {
});
});
describe('transformExtent()', function() {
it('transforms an extent given projection identifiers', function() {
var sourceExtent = [-15, -30, 45, 60];
var destinationExtent = ol.proj.transformExtent(
sourceExtent, 'EPSG:4326', 'EPSG:3857');
expect(destinationExtent).not.to.be(undefined);
expect(destinationExtent).not.to.be(null);
expect(destinationExtent[0])
.to.roughlyEqual(-1669792.3618991037, 1e-9);
expect(destinationExtent[2]).to.roughlyEqual(5009377.085697311, 1e-9);
expect(destinationExtent[1]).to.roughlyEqual(-3503549.843504376, 1e-8);
expect(destinationExtent[3]).to.roughlyEqual(8399737.889818361, 1e-8);
});
});
describe('Proj4js integration', function() {
it('allows Proj4js projections to be used transparently', function() {