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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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29
test/spec/ol/source/tilesource.test.js
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@@ -115,22 +115,7 @@ describe('ol.source.Tile', function() {
});
describe('#getWrapXTileCoord()', function() {
it('returns the expected tile coordinate - {wrapX: undefined}', function() {
var tileSource = new ol.source.Tile({
projection: 'EPSG:3857'
});
var tileCoord = tileSource.getWrapXTileCoord([6, -31, 22]);
expect(tileCoord).to.eql([6, -31, 22]);
tileCoord = tileSource.getWrapXTileCoord([6, 33, 22]);
expect(tileCoord).to.eql([6, 33, 22]);
tileCoord = tileSource.getWrapXTileCoord([6, 97, 22]);
expect(tileCoord).to.eql([6, 97, 22]);
});
describe('#getTileCoordForTileUrlFunction()', function() {
it('returns the expected tile coordinate - {wrapX: true}', function() {
var tileSource = new ol.source.Tile({
@@ -138,13 +123,13 @@ describe('ol.source.Tile', function() {
wrapX: true
});
var tileCoord = tileSource.getWrapXTileCoord([6, -31, 22]);
var tileCoord = tileSource.getTileCoordForTileUrlFunction([6, -31, 22]);
expect(tileCoord).to.eql([6, 33, 22]);
tileCoord = tileSource.getWrapXTileCoord([6, 33, 22]);
tileCoord = tileSource.getTileCoordForTileUrlFunction([6, 33, 22]);
expect(tileCoord).to.eql([6, 33, 22]);
tileCoord = tileSource.getWrapXTileCoord([6, 97, 22]);
tileCoord = tileSource.getTileCoordForTileUrlFunction([6, 97, 22]);
expect(tileCoord).to.eql([6, 33, 22]);
});
@@ -154,13 +139,13 @@ describe('ol.source.Tile', function() {
wrapX: false
});
var tileCoord = tileSource.getWrapXTileCoord([6, -31, 22]);
var tileCoord = tileSource.getTileCoordForTileUrlFunction([6, -31, 22]);
expect(tileCoord).to.eql(null);
tileCoord = tileSource.getWrapXTileCoord([6, 33, 22]);
tileCoord = tileSource.getTileCoordForTileUrlFunction([6, 33, 22]);
expect(tileCoord).to.eql([6, 33, 22]);
tileCoord = tileSource.getWrapXTileCoord([6, 97, 22]);
tileCoord = tileSource.getTileCoordForTileUrlFunction([6, 97, 22]);
expect(tileCoord).to.eql(null);
});
});