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Optimize Way#area

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This commit is contained in:
John Firebaugh
2014-10-13 16:46:32 -07:00
parent 69af20e44d
commit a7fb35663c
2 changed files with 21 additions and 5 deletions
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test/spec/core/way.js
+16
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@@ -469,6 +469,22 @@ describe('iD.Way', function() {
expect(s).to.be.lt(l);
});
it("treats unclosed areas as if they were closed", function () {
var graph = iD.Graph([
iD.Node({id: 'a', loc: [-0.0002, 0.0001]}),
iD.Node({id: 'b', loc: [ 0.0002, 0.0001]}),
iD.Node({id: 'c', loc: [ 0.0002, -0.0001]}),
iD.Node({id: 'd', loc: [-0.0002, -0.0001]}),
iD.Way({id: 's', tags: {area: 'yes'}, nodes: ['a', 'b', 'c', 'd', 'a']}),
iD.Way({id: 'l', tags: {area: 'yes'}, nodes: ['a', 'b', 'c', 'd']})
]);
var s = graph.entity('s').area(graph),
l = graph.entity('l').area(graph);
expect(s).to.equal(l);
});
it("returns 0 for degenerate areas", function () {
var graph = iD.Graph([
iD.Node({id: 'a', loc: [-0.0002, 0.0001]}),