ashatora/openlayers
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add new ol.geom.Geometry#rotate function

Browse Source
This commit is contained in:
Frederic Junod
2016-03-07 15:27:55 +01:00
parent 6c74e90c5d
commit d5564a04db
5 changed files with 117 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
test/spec/ol/geom/flat/transformflatgeom.test.js
View File

@@ -79,6 +79,51 @@ describe('ol.geom.flat.transform', function() {
});
});
describe('ol.geom.flat.transform.rotate', function() {
it('rotates the coordinates array', function() {
var multiPolygon = new ol.geom.MultiPolygon([
[[[0, 0, 2], [0, 1, 2], [1, 1, 2], [1, 0, 2], [0, 0, 2]]],
[[[2, 2, 3], [2, 3, 3], [3, 3, 3], [3, 2, 3], [2, 2, 3]]]]);
var flatCoordinates = multiPolygon.getFlatCoordinates();
var angle = Math.PI / 2;
var anchor = [0, 1];
ol.geom.flat.transform.rotate(flatCoordinates, 0,
flatCoordinates.length, multiPolygon.getStride(),
angle, anchor, flatCoordinates);
expect(flatCoordinates[0]).to.roughlyEqual(1, 1e-9);
expect(flatCoordinates[1]).to.roughlyEqual(1, 1e-9);
expect(flatCoordinates[2]).to.roughlyEqual(2, 1e-9);
expect(flatCoordinates[3]).to.roughlyEqual(0, 1e-9);
expect(flatCoordinates[4]).to.roughlyEqual(1, 1e-9);
expect(flatCoordinates[5]).to.roughlyEqual(2, 1e-9);
expect(flatCoordinates[6]).to.roughlyEqual(Math.cos(angle), 1e-9);
expect(flatCoordinates[7]).to.roughlyEqual(2, 1e-9);
expect(flatCoordinates[8]).to.roughlyEqual(2, 1e-9);
expect(flatCoordinates[9]).to.roughlyEqual(1, 1e-9);
expect(flatCoordinates[10]).to.roughlyEqual(2, 1e-9);
expect(flatCoordinates[11]).to.roughlyEqual(2, 1e-9);
expect(flatCoordinates[12]).to.roughlyEqual(1, 1e-9);
expect(flatCoordinates[13]).to.roughlyEqual(1, 1e-9);
expect(flatCoordinates[14]).to.roughlyEqual(2, 1e-9);
expect(flatCoordinates[15]).to.roughlyEqual(-1, 1e-9);
expect(flatCoordinates[16]).to.roughlyEqual(3, 1e-9);
expect(flatCoordinates[17]).to.roughlyEqual(3, 1e-9);
expect(flatCoordinates[18]).to.roughlyEqual(-2, 1e-9);
expect(flatCoordinates[19]).to.roughlyEqual(3, 1e-9);
expect(flatCoordinates[20]).to.roughlyEqual(3, 1e-9);
expect(flatCoordinates[21]).to.roughlyEqual(-2, 1e-9);
expect(flatCoordinates[22]).to.roughlyEqual(4, 1e-9);
expect(flatCoordinates[23]).to.roughlyEqual(3, 1e-9);
expect(flatCoordinates[24]).to.roughlyEqual(-1, 1e-9);
expect(flatCoordinates[25]).to.roughlyEqual(4, 1e-9);
expect(flatCoordinates[26]).to.roughlyEqual(3, 1e-9);
expect(flatCoordinates[27]).to.roughlyEqual(-1, 1e-9);
expect(flatCoordinates[28]).to.roughlyEqual(3, 1e-9);
expect(flatCoordinates[29]).to.roughlyEqual(3, 1e-9);
});
});
});
goog.require('ol.geom.MultiPolygon');