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test using extra stops for extent transform

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This commit is contained in:
mike-000
2020-02-27 12:12:57 +00:00
committed by GitHub
parent 591e5ce01b
commit 633396e7df
1 changed files with 33 additions and 0 deletions
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33
test/spec/ol/extent.test.js
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@@ -1,5 +1,6 @@
import * as _ol_extent_ from '../../../src/ol/extent.js'; import * as _ol_extent_ from '../../../src/ol/extent.js';
import {getTransform} from '../../../src/ol/proj.js'; import {getTransform} from '../../../src/ol/proj.js';
import {register} from '../../../src/ol/proj/proj4.js';
describe('ol.extent', function() { describe('ol.extent', function() {
@@ -783,6 +784,38 @@ describe('ol.extent', function() {
expect(destinationExtent[3]).to.be(30); expect(destinationExtent[3]).to.be(30);
}); });
it('can use the stops option', function() {
proj4.defs('EPSG:32632', '+proj=utm +zone=32 +datum=WGS84 +units=m +no_defs');
register(proj4);
const transformFn = getTransform('EPSG:4326', 'EPSG:32632');
const sourceExtentN = [6, 0, 12, 84];
const destinationExtentN = _ol_extent_.applyTransform(
sourceExtentN, transformFn);
expect(destinationExtentN).not.to.be(undefined);
expect(destinationExtentN).not.to.be(null);
expect(destinationExtentN[0]).to.roughlyEqual(166021.44308053964, 1e-8);
expect(destinationExtentN[2]).to.roughlyEqual(0, 1e-8);
expect(destinationExtentN[1]).to.roughlyEqual(833978.5569194605, 1e-8);
expect(destinationExtentN[3]).to.roughlyEqual(9329005.182447437, 1e-8);
const sourceExtentNS = [6, -84, 12, 84];
const destinationExtentNS = _ol_extent_.applyTransform(
sourceExtentNS, transformFn);
expect(destinationExtentNS).not.to.be(undefined);
expect(destinationExtentNS).not.to.be(null);
expect(destinationExtentNS[0]).to.roughlyEqual(465005.34493886377, 1e-8);
expect(destinationExtentNS[2]).to.roughlyEqual(-destinationExtentN[3], 1e-8);
expect(destinationExtentNS[1]).to.roughlyEqual(534994.6550611362, 1e-8);
expect(destinationExtentNS[3]).to.roughlyEqual(destinationExtentN[3], 1e-8);
const destinationExtentNS2 = _ol_extent_.applyTransform(
sourceExtentNS, transformFn, undefined, 2);
expect(destinationExtentNS2).not.to.be(undefined);
expect(destinationExtentNS2).not.to.be(null);
expect(destinationExtentNS2[0]).to.roughlyEqual(destinationExtentN[0], 1e-8);
expect(destinationExtentNS2[2]).to.roughlyEqual(-destinationExtentN[3], 1e-8);
expect(destinationExtentNS2[1]).to.roughlyEqual(destinationExtentN[2], 1e-8);
expect(destinationExtentNS2[3]).to.roughlyEqual(destinationExtentN[3], 1e-8);
});
}); });
}); });