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Respect the tile grid's extent

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By adding a getTileCoordForTileUrlFuction method like for ol.source.Tile,
we can now properly handle extent and resolution restrictions, and reuse
tiles on wrapped worlds. Also adds the missing wrapX option to
ol.source.TileVector.
This commit is contained in:
Andreas Hocevar
2015-06-15 11:15:25 +02:00
parent e848acd806
commit 2bcb10c973
3 changed files with 93 additions and 7 deletions
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54
test/spec/ol/source/tilevectorsource.test.js
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@@ -9,7 +9,6 @@ describe('ol.source.TileVector', function() {
var tileCoords = [];
var source = new ol.source.TileVector({
format: new ol.format.TopoJSON(),
projection: 'EPSG:3857',
tileGrid: ol.tilegrid.createXYZ({
maxZoom: 19
}),
@@ -18,8 +17,9 @@ describe('ol.source.TileVector', function() {
return null;
}
});
var projection = ol.proj.get('EPSG:3857');
source.loadFeatures(
[-8238854, 4969777, -8237854, 4970777], 4.8, source.getProjection());
[-8238854, 4969777, -8237854, 4970777], 4.8, projection);
expect(tileCoords[0]).to.eql([15, 9647, 12320]);
expect(tileCoords[1]).to.eql([15, 9647, 12319]);
expect(tileCoords[2]).to.eql([15, 9648, 12320]);
@@ -28,8 +28,58 @@ describe('ol.source.TileVector', function() {
});
describe('#getTileCoordForTileUrlFunction()', function() {
it('returns the expected tile coordinate - {wrapX: true}', function() {
var tileSource = new ol.source.TileVector({
format: new ol.format.TopoJSON(),
tileGrid: ol.tilegrid.createXYZ({
maxZoom: 19
}),
wrapX: true
});
var projection = ol.proj.get('EPSG:3857');
var tileCoord = tileSource.getTileCoordForTileUrlFunction(
[6, -31, 41], projection);
expect(tileCoord).to.eql([6, 33, 22]);
tileCoord = tileSource.getTileCoordForTileUrlFunction(
[6, 33, 41], projection);
expect(tileCoord).to.eql([6, 33, 22]);
tileCoord = tileSource.getTileCoordForTileUrlFunction(
[6, 97, 41], projection);
expect(tileCoord).to.eql([6, 33, 22]);
});
it('returns the expected tile coordinate - {wrapX: false}', function() {
var tileSource = new ol.source.TileVector({
format: new ol.format.TopoJSON(),
tileGrid: ol.tilegrid.createXYZ({
maxZoom: 19
}),
wrapX: false
});
var projection = ol.proj.get('EPSG:3857');
var tileCoord = tileSource.getTileCoordForTileUrlFunction(
[6, -31, 41], projection);
expect(tileCoord).to.eql(null);
tileCoord = tileSource.getTileCoordForTileUrlFunction(
[6, 33, 41], projection);
expect(tileCoord).to.eql([6, 33, 22]);
tileCoord = tileSource.getTileCoordForTileUrlFunction(
[6, 97, 41], projection);
expect(tileCoord).to.eql(null);
});
});
});
goog.require('ol.format.TopoJSON');
goog.require('ol.proj');
goog.require('ol.source.TileVector');