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Function for getting extent intersection

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This commit is contained in:
Tim Schaub
2014-07-06 17:11:39 -06:00
parent 9de010c791
commit 42f953d08d
2 changed files with 67 additions and 6 deletions
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24
test/spec/ol/extent.test.js
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@@ -24,6 +24,30 @@ describe('ol.extent', function() {
});
describe('getIntersection()', function() {
it('returns the intersection of two extents', function() {
var world = [-180, -90, 180, 90];
var north = [-180, 0, 180, 90];
var farNorth = [-180, 45, 180, 90];
var east = [0, -90, 180, 90];
var farEast = [90, -90, 180, 90];
var south = [-180, -90, 180, 0];
var farSouth = [-180, -90, 180, -45];
var west = [-180, -90, 0, 90];
var farWest = [-180, -90, -90, 90];
var none = ol.extent.createEmpty();
expect(ol.extent.getIntersection(world, none)).to.eql(none);
expect(ol.extent.getIntersection(world, north)).to.eql(north);
expect(ol.extent.getIntersection(world, east)).to.eql(east);
expect(ol.extent.getIntersection(world, south)).to.eql(south);
expect(ol.extent.getIntersection(world, west)).to.eql(west);
expect(ol.extent.getIntersection(farEast, farWest)).to.eql(none);
expect(ol.extent.getIntersection(farNorth, farSouth)).to.eql(none);
expect(ol.extent.getIntersection(north, west)).to.eql([-180, 0, 0, 90]);
expect(ol.extent.getIntersection(east, south)).to.eql([0, -90, 180, 0]);
});
});
describe('containsCoordinate', function() {
describe('positive', function() {