586f393492
This change adds a lot of flexibility to working with tile layers: Sources where the server projection or tile grid do not matter can now be constructed without specifying a projection or tile grid. The tileUrlFunction/imageUrlFunction now also creates updated URLs when the params of the layer change, so things like mergeNewParams in ol2 will be possible. A nice side effect of this whole change is that there is no more duplicated code between tiled and single image WMS layers. While I was at it, I also fixed a WMS 1.1.1 axis order issue and incorrect STYLES params (STYLES=& instead of STYLES&).
134 lines
4.2 KiB
JavaScript
134 lines
4.2 KiB
JavaScript
goog.provide('ol.test.source.XYZ');
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describe('ol.source.XYZ', function() {
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describe('tileUrlFunction', function() {
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var xyzTileSource, tileGrid;
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beforeEach(function() {
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xyzTileSource = new ol.source.XYZ({
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maxZoom: 6,
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url: '{z}/{x}/{y}'
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});
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tileGrid = xyzTileSource.getTileGrid();
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});
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it('return the expected URL', function() {
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var coordinate = new ol.Coordinate(829330.2064098881, 5933916.615134273);
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var tileUrl;
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tileUrl = xyzTileSource.tileUrlFunction(
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tileGrid.getTileCoordForCoordAndZ(coordinate, 0));
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expect(tileUrl).toEqual('0/0/0');
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tileUrl = xyzTileSource.tileUrlFunction(
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tileGrid.getTileCoordForCoordAndZ(coordinate, 1));
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expect(tileUrl).toEqual('1/1/0');
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tileUrl = xyzTileSource.tileUrlFunction(
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tileGrid.getTileCoordForCoordAndZ(coordinate, 2));
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expect(tileUrl).toEqual('2/2/1');
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tileUrl = xyzTileSource.tileUrlFunction(
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tileGrid.getTileCoordForCoordAndZ(coordinate, 3));
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expect(tileUrl).toEqual('3/4/2');
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tileUrl = xyzTileSource.tileUrlFunction(
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tileGrid.getTileCoordForCoordAndZ(coordinate, 4));
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expect(tileUrl).toEqual('4/8/5');
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tileUrl = xyzTileSource.tileUrlFunction(
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tileGrid.getTileCoordForCoordAndZ(coordinate, 5));
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expect(tileUrl).toEqual('5/16/11');
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tileUrl = xyzTileSource.tileUrlFunction(
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tileGrid.getTileCoordForCoordAndZ(coordinate, 6));
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expect(tileUrl).toEqual('6/33/22');
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});
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describe('wrap x', function() {
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it('returns the expected URL', function() {
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var tileUrl = xyzTileSource.tileUrlFunction(
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new ol.TileCoord(6, -31, -23));
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expect(tileUrl).toEqual('6/33/22');
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tileUrl = xyzTileSource.tileUrlFunction(new ol.TileCoord(6, 33, -23));
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expect(tileUrl).toEqual('6/33/22');
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tileUrl = xyzTileSource.tileUrlFunction(new ol.TileCoord(6, 97, -23));
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expect(tileUrl).toEqual('6/33/22');
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});
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});
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describe('crop y', function() {
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it('returns the expected URL', function() {
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var tileUrl = xyzTileSource.tileUrlFunction(
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new ol.TileCoord(6, 33, -87));
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expect(tileUrl).toBeUndefined();
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tileUrl = xyzTileSource.tileUrlFunction(new ol.TileCoord(6, 33, -23));
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expect(tileUrl).toEqual('6/33/22');
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tileUrl = xyzTileSource.tileUrlFunction(new ol.TileCoord(6, 33, 41));
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expect(tileUrl).toBeUndefined();
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});
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});
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});
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describe('forEachTileCoordParentTileRange', function() {
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it('iterates as expected', function() {
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var xyzTileGrid = new ol.tilegrid.XYZ({maxZoom: 6});
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var tileCoord = new ol.TileCoord(5, 11, 21);
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var zs = [], tileRanges = [];
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xyzTileGrid.forEachTileCoordParentTileRange(
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tileCoord,
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function(z, tileRange) {
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zs.push(z);
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tileRanges.push(tileRange);
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return false;
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});
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expect(zs.length).toEqual(5);
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expect(tileRanges.length).toEqual(5);
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expect(zs[0]).toEqual(4);
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expect(tileRanges[0].minX).toEqual(5);
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expect(tileRanges[0].minY).toEqual(10);
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expect(tileRanges[0].maxX).toEqual(5);
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expect(tileRanges[0].maxY).toEqual(10);
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expect(zs[1]).toEqual(3);
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expect(tileRanges[1].minX).toEqual(2);
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expect(tileRanges[1].minY).toEqual(5);
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expect(tileRanges[1].maxX).toEqual(2);
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expect(tileRanges[1].maxY).toEqual(5);
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expect(zs[2]).toEqual(2);
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expect(tileRanges[2].minX).toEqual(1);
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expect(tileRanges[2].minY).toEqual(2);
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expect(tileRanges[2].maxX).toEqual(1);
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expect(tileRanges[2].maxY).toEqual(2);
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expect(zs[3]).toEqual(1);
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expect(tileRanges[3].minX).toEqual(0);
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expect(tileRanges[3].minY).toEqual(1);
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expect(tileRanges[3].maxX).toEqual(0);
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expect(tileRanges[3].maxY).toEqual(1);
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expect(zs[4]).toEqual(0);
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expect(tileRanges[4].minX).toEqual(0);
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expect(tileRanges[4].minY).toEqual(0);
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expect(tileRanges[4].maxX).toEqual(0);
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expect(tileRanges[4].maxY).toEqual(0);
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});
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});
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});
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goog.require('ol.Coordinate');
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goog.require('ol.TileCoord');
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goog.require('ol.TileUrlFunction');
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goog.require('ol.source.XYZ');
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