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Allow extents to restrict tile ranges requested from the server

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The addition of full extent tile ranges also allows us to simplify wrapX
handling for tile layers. By limiting wrapX to true and false as possible
values, we can remove a lot of guessing logic.
This commit is contained in:
Andreas Hocevar
2015-04-28 23:14:08 +02:00
parent 700903ca5c
commit a116878a57
17 changed files with 535 additions and 199 deletions
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21
test/spec/ol/source/xyzsource.test.js
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@@ -66,15 +66,18 @@ describe('ol.source.XYZ', function() {
it('returns the expected URL', function() {
var projection = xyzTileSource.getProjection();
var tileUrl = xyzTileSource.tileUrlFunction(
xyzTileSource.getWrapXTileCoord([6, -31, -23], projection));
xyzTileSource.getTileCoordForTileUrlFunction(
[6, -31, 41], projection));
expect(tileUrl).to.eql('6/33/22');
tileUrl = xyzTileSource.tileUrlFunction(
xyzTileSource.getWrapXTileCoord([6, 33, -23], projection));
xyzTileSource.getTileCoordForTileUrlFunction(
[6, 33, 41], projection));
expect(tileUrl).to.eql('6/33/22');
tileUrl = xyzTileSource.tileUrlFunction(
xyzTileSource.getWrapXTileCoord([6, 97, -23], projection));
xyzTileSource.getTileCoordForTileUrlFunction(
[6, 97, 41], projection));
expect(tileUrl).to.eql('6/33/22');
});
@@ -83,14 +86,20 @@ describe('ol.source.XYZ', function() {
describe('crop y', function() {
it('returns the expected URL', function() {
var projection = xyzTileSource.getProjection();
var tileUrl = xyzTileSource.tileUrlFunction(
[6, 33, -87]);
xyzTileSource.getTileCoordForTileUrlFunction(
[6, 33, 150], projection));
expect(tileUrl).to.be(undefined);
tileUrl = xyzTileSource.tileUrlFunction([6, 33, -23]);
tileUrl = xyzTileSource.tileUrlFunction(
xyzTileSource.getTileCoordForTileUrlFunction(
[6, 33, 41], projection));
expect(tileUrl).to.eql('6/33/22');
tileUrl = xyzTileSource.tileUrlFunction([6, 33, 41]);
tileUrl = xyzTileSource.tileUrlFunction(
xyzTileSource.getTileCoordForTileUrlFunction(
[6, 33, -23], projection));
expect(tileUrl).to.be(undefined);
});