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This commit is contained in:
Tim Schaub
2017-12-11 16:29:33 -07:00
parent 1cdb6a66f0
commit 7f47883c48
737 changed files with 22216 additions and 21609 deletions
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32
test/spec/ol/proj/epsg3857.test.js
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@@ -1,18 +1,18 @@
goog.require('ol.proj');
goog.require('ol.proj.EPSG3857');
import _ol_proj_ from '../../../../src/ol/proj.js';
import _ol_proj_EPSG3857_ from '../../../../src/ol/proj/EPSG3857.js';
describe('ol.proj.EPSG3857', function() {
afterEach(function() {
ol.proj.clearAllProjections();
ol.proj.addCommon();
_ol_proj_.clearAllProjections();
_ol_proj_.addCommon();
});
describe('fromEPSG4326()', function() {
it('transforms from geographic to Web Mercator', function() {
var forward = ol.proj.EPSG3857.fromEPSG4326;
var edge = ol.proj.EPSG3857.HALF_SIZE;
var forward = _ol_proj_EPSG3857_.fromEPSG4326;
var edge = _ol_proj_EPSG3857_.HALF_SIZE;
var tolerance = 1e-5;
@@ -44,33 +44,33 @@ describe('ol.proj.EPSG3857', function() {
it('returns the correct point scale at the equator', function() {
// @see http://msdn.microsoft.com/en-us/library/aa940990.aspx
var epsg3857 = ol.proj.get('EPSG:3857');
var epsg3857 = _ol_proj_.get('EPSG:3857');
var resolution = 19.11;
var point = [0, 0];
expect(ol.proj.getPointResolution(epsg3857, resolution, point)).
expect(_ol_proj_.getPointResolution(epsg3857, resolution, point)).
to.roughlyEqual(19.11, 1e-1);
});
it('returns the correct point scale at the latitude of Toronto',
function() {
// @see http://msdn.microsoft.com/en-us/library/aa940990.aspx
var epsg3857 = ol.proj.get('EPSG:3857');
var epsg4326 = ol.proj.get('EPSG:4326');
var epsg3857 = _ol_proj_.get('EPSG:3857');
var epsg4326 = _ol_proj_.get('EPSG:4326');
var resolution = 19.11;
var point = ol.proj.transform([0, 43.65], epsg4326, epsg3857);
expect(ol.proj.getPointResolution(epsg3857, resolution, point)).
var point = _ol_proj_.transform([0, 43.65], epsg4326, epsg3857);
expect(_ol_proj_.getPointResolution(epsg3857, resolution, point)).
to.roughlyEqual(19.11 * Math.cos(Math.PI * 43.65 / 180), 1e-9);
});
it('returns the correct point scale at various latitudes', function() {
// @see http://msdn.microsoft.com/en-us/library/aa940990.aspx
var epsg3857 = ol.proj.get('EPSG:3857');
var epsg4326 = ol.proj.get('EPSG:4326');
var epsg3857 = _ol_proj_.get('EPSG:3857');
var epsg4326 = _ol_proj_.get('EPSG:4326');
var resolution = 19.11;
var latitude;
for (latitude = 0; latitude <= 85; ++latitude) {
var point = ol.proj.transform([0, latitude], epsg4326, epsg3857);
expect(ol.proj.getPointResolution(epsg3857, resolution, point)).
var point = _ol_proj_.transform([0, latitude], epsg4326, epsg3857);
expect(_ol_proj_.getPointResolution(epsg3857, resolution, point)).
to.roughlyEqual(19.11 * Math.cos(Math.PI * latitude / 180), 1e-9);
}
});