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Use top-left corner of extent for all generated tile grids

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This commit is contained in:
Andreas Hocevar
2015-06-18 09:47:53 +02:00
parent e3a8dc89de
commit a753d282cc
7 changed files with 99 additions and 66 deletions
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42
test/spec/ol/source/tilewmssource.test.js
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@@ -17,7 +17,7 @@ describe('ol.source.TileWMS', function() {
it('returns a tile with the expected URL', function() {
var source = new ol.source.TileWMS(options);
var tile = source.getTile(3, 2, 1, 1, ol.proj.get('EPSG:3857'));
var tile = source.getTile(3, 2, -7, 1, ol.proj.get('EPSG:3857'));
expect(tile).to.be.an(ol.ImageTile);
var uri = new goog.Uri(tile.src_);
expect(uri.getScheme()).to.be('http');
@@ -25,8 +25,8 @@ describe('ol.source.TileWMS', function() {
expect(uri.getPath()).to.be('/wms');
var queryData = uri.getQueryData();
expect(queryData.get('BBOX')).to.be(
'-10018754.171394622,-15028131.257091932,' +
'-5009377.085697311,-10018754.17139462');
'-10018754.171394622,-15028131.257091936,' +
'-5009377.085697311,-10018754.171394624');
expect(queryData.get('CRS')).to.be('EPSG:3857');
expect(queryData.get('FORMAT')).to.be('image/png');
expect(queryData.get('HEIGHT')).to.be('256');
@@ -44,13 +44,13 @@ describe('ol.source.TileWMS', function() {
it('returns a larger tile when a gutter is specified', function() {
options.gutter = 16;
var source = new ol.source.TileWMS(options);
var tile = source.getTile(3, 2, 1, 1, ol.proj.get('EPSG:3857'));
var tile = source.getTile(3, 2, -7, 1, ol.proj.get('EPSG:3857'));
expect(tile).to.be.an(ol.ImageTile);
var uri = new goog.Uri(tile.src_);
var queryData = uri.getQueryData();
var bbox = queryData.get('BBOX').split(',');
var expected = [-10331840.239250705, -15341217.324948015,
-4696291.017841229, -9705668.103538537];
var expected = [-10331840.239250705, -15341217.324948018,
-4696291.017841229, -9705668.103538541];
for (var i = 0, ii = bbox.length; i < ii; ++i) {
expect(parseFloat(bbox[i])).to.roughlyEqual(expected[i], 1e-9);
}
@@ -61,7 +61,7 @@ describe('ol.source.TileWMS', function() {
it('sets the SRS query value instead of CRS if version < 1.3', function() {
options.params.VERSION = '1.2';
var source = new ol.source.TileWMS(options);
var tile = source.getTile(3, 2, 1, 1, ol.proj.get('EPSG:4326'));
var tile = source.getTile(3, 2, -3, 1, ol.proj.get('EPSG:4326'));
var uri = new goog.Uri(tile.src_);
var queryData = uri.getQueryData();
expect(queryData.get('CRS')).to.be(undefined);
@@ -72,7 +72,7 @@ describe('ol.source.TileWMS', function() {
options.params.FORMAT = 'image/jpeg';
options.params.TRANSPARENT = false;
var source = new ol.source.TileWMS(options);
var tile = source.getTile(3, 2, 1, 1, ol.proj.get('EPSG:4326'));
var tile = source.getTile(3, 2, -3, 1, ol.proj.get('EPSG:4326'));
var uri = new goog.Uri(tile.src_);
var queryData = uri.getQueryData();
expect(queryData.get('FORMAT')).to.be('image/jpeg');
@@ -82,7 +82,7 @@ describe('ol.source.TileWMS', function() {
it('does not add a STYLES= option if one is specified', function() {
options.params.STYLES = 'foo';
var source = new ol.source.TileWMS(options);
var tile = source.getTile(3, 2, 1, 1, ol.proj.get('EPSG:4326'));
var tile = source.getTile(3, 2, -3, 1, ol.proj.get('EPSG:4326'));
var uri = new goog.Uri(tile.src_);
var queryData = uri.getQueryData();
expect(queryData.get('STYLES')).to.be('foo');
@@ -90,7 +90,7 @@ describe('ol.source.TileWMS', function() {
it('changes the BBOX order for EN axis orientations', function() {
var source = new ol.source.TileWMS(options);
var tile = source.getTile(3, 2, 1, 1, ol.proj.get('EPSG:4326'));
var tile = source.getTile(3, 2, -3, 1, ol.proj.get('EPSG:4326'));
var uri = new goog.Uri(tile.src_);
var queryData = uri.getQueryData();
expect(queryData.get('BBOX')).to.be('-45,-90,0,-45');
@@ -99,7 +99,7 @@ describe('ol.source.TileWMS', function() {
it('uses EN BBOX order if version < 1.3', function() {
options.params.VERSION = '1.1.0';
var source = new ol.source.TileWMS(options);
var tile = source.getTile(3, 2, 1, 1, ol.proj.get('CRS:84'));
var tile = source.getTile(3, 2, -3, 1, ol.proj.get('CRS:84'));
var uri = new goog.Uri(tile.src_);
var queryData = uri.getQueryData();
expect(queryData.get('BBOX')).to.be('-90,-45,-45,0');
@@ -108,7 +108,7 @@ describe('ol.source.TileWMS', function() {
it('sets FORMAT_OPTIONS when the server is GeoServer', function() {
options.serverType = ol.source.wms.ServerType.GEOSERVER;
var source = new ol.source.TileWMS(options);
var tile = source.getTile(3, 2, 1, 2, ol.proj.get('CRS:84'));
var tile = source.getTile(3, 2, -3, 2, ol.proj.get('CRS:84'));
var uri = new goog.Uri(tile.src_);
var queryData = uri.getQueryData();
expect(queryData.get('FORMAT_OPTIONS')).to.be('dpi:180');
@@ -118,7 +118,7 @@ describe('ol.source.TileWMS', function() {
options.serverType = ol.source.wms.ServerType.GEOSERVER;
var source = new ol.source.TileWMS(options);
options.params.FORMAT_OPTIONS = 'param1:value1';
var tile = source.getTile(3, 2, 1, 2, ol.proj.get('CRS:84'));
var tile = source.getTile(3, 2, -3, 2, ol.proj.get('CRS:84'));
var uri = new goog.Uri(tile.src_);
var queryData = uri.getQueryData();
expect(queryData.get('FORMAT_OPTIONS')).to.be('param1:value1;dpi:180');
@@ -128,7 +128,7 @@ describe('ol.source.TileWMS', function() {
function() {
options.serverType = ol.source.wms.ServerType.GEOSERVER;
var source = new ol.source.TileWMS(options);
var tile = source.getTile(3, 2, 1, 1.325, ol.proj.get('CRS:84'));
var tile = source.getTile(3, 2, -3, 1.325, ol.proj.get('CRS:84'));
var uri = new goog.Uri(tile.src_);
var queryData = uri.getQueryData();
expect(queryData.get('FORMAT_OPTIONS')).to.be('dpi:119');
@@ -141,7 +141,7 @@ describe('ol.source.TileWMS', function() {
it('returns a tile if it is contained within layers extent', function() {
options.extent = [-80, -40, -50, -10];
var source = new ol.source.TileWMS(options);
var tileCoord = [3, 2, 1];
var tileCoord = [3, 2, -3];
var url = source.tileUrlFunction(tileCoord, 1, ol.proj.get('EPSG:4326'));
var uri = new goog.Uri(url);
var queryData = uri.getQueryData();
@@ -151,7 +151,7 @@ describe('ol.source.TileWMS', function() {
it('returns a tile if it intersects layers extent', function() {
options.extent = [-80, -40, -40, -10];
var source = new ol.source.TileWMS(options);
var tileCoord = [3, 3, 1];
var tileCoord = [3, 3, -3];
var url = source.tileUrlFunction(tileCoord, 1, ol.proj.get('EPSG:4326'));
var uri = new goog.Uri(url);
var queryData = uri.getQueryData();
@@ -165,7 +165,7 @@ describe('ol.source.TileWMS', function() {
origin: [-180, -90]
});
var source = new ol.source.TileWMS(options);
var tileCoord = [3, 3, 1];
var tileCoord = [3, 3, -3];
var url = source.tileUrlFunction(tileCoord, 1, ol.proj.get('EPSG:4326'));
var uri = new goog.Uri(url);
var queryData = uri.getQueryData();
@@ -190,8 +190,8 @@ describe('ol.source.TileWMS', function() {
expect(uri.getPath()).to.be('/wms');
var queryData = uri.getQueryData();
expect(queryData.get('BBOX')).to.be(
'-10018754.171394622,-15028131.257091932,' +
'-5009377.085697311,-10018754.17139462');
'-10018754.171394622,-15028131.257091936,' +
'-5009377.085697311,-10018754.171394624');
expect(queryData.get('CRS')).to.be('EPSG:3857');
expect(queryData.get('FORMAT')).to.be('image/png');
expect(queryData.get('HEIGHT')).to.be('256');
@@ -222,8 +222,8 @@ describe('ol.source.TileWMS', function() {
expect(uri.getPath()).to.be('/wms');
var queryData = uri.getQueryData();
expect(queryData.get('BBOX')).to.be(
'-10018754.171394622,-15028131.257091932,' +
'-5009377.085697311,-10018754.17139462');
'-10018754.171394622,-15028131.257091936,' +
'-5009377.085697311,-10018754.171394624');
expect(queryData.get('CRS')).to.be('EPSG:3857');
expect(queryData.get('FORMAT')).to.be('image/png');
expect(queryData.get('HEIGHT')).to.be('256');