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Support setting imagery offset via url hash

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(closes #3093)
This commit is contained in:
Bryan Housel
2016-05-03 00:49:40 -04:00
parent 9fd96297c8
commit 90fd1e3f8d
5 changed files with 86 additions and 33 deletions
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test/spec/geo.js
+26
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@@ -131,6 +131,32 @@ describe('iD.geo', function() {
});
});
describe('.offsetToMeters', function() {
it('[0, 0] pixel offset is [0, -0] meter offset', function() {
var meters = iD.geo.offsetToMeters([0, 0]);
expect(meters[0]).to.eql(0);
expect(meters[1]).to.eql(-0);
});
it('[0.00064, -0.00064] pixel offset is roughly [100, 100] meter offset', function() {
var meters = iD.geo.offsetToMeters([0.00064, -0.00064]);
expect(meters[0]).to.be.within(99.5, 100.5);
expect(meters[1]).to.be.within(99.5, 100.5);
});
});
describe('.metersToOffset', function() {
it('[0, 0] meter offset is [0, -0] pixel offset', function() {
var offset = iD.geo.metersToOffset([0, 0]);
expect(offset[0]).to.eql(0);
expect(offset[1]).to.eql(-0);
});
it('[100, 100] meter offset is roughly [0.00064, -0.00064] pixel offset', function() {
var offset = iD.geo.metersToOffset([100, 100]);
expect(offset[0]).to.be.within(0.000635, 0.000645);
expect(offset[1]).to.be.within(-0.000645, -0.000635);
});
});
describe('.sphericalDistance', function() {
it('distance between two same points is zero', function() {
var a = [0, 0],