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Determining coordinate relationship to extent

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This commit is contained in:
Tim Schaub
2014-02-22 18:14:58 -07:00
parent f4746687e8
commit cb11959f01
2 changed files with 128 additions and 1 deletions
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82
test/spec/ol/extent.test.js
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@@ -1,6 +1,5 @@
goog.provide('ol.test.extent');
describe('ol.extent', function() {
describe('buffer', function() {
@@ -65,6 +64,86 @@ describe('ol.extent', function() {
});
});
describe('coordinateRelationship()', function() {
var extent = [-180, -90, 180, 90];
var INTERSECTING = ol.extent.Relationship.INTERSECTING;
var ABOVE = ol.extent.Relationship.ABOVE;
var RIGHT = ol.extent.Relationship.RIGHT;
var BELOW = ol.extent.Relationship.BELOW;
var LEFT = ol.extent.Relationship.LEFT;
it('returns intersecting for within', function() {
var rel = ol.extent.coordinateRelationship(extent, [0, 0]);
expect(rel).to.be(INTERSECTING);
});
it('returns intersecting for touching top', function() {
var rel = ol.extent.coordinateRelationship(extent, [0, 90]);
expect(rel).to.be(INTERSECTING);
});
it('returns intersecting for touching right', function() {
var rel = ol.extent.coordinateRelationship(extent, [180, 0]);
expect(rel).to.be(INTERSECTING);
});
it('returns intersecting for touching bottom', function() {
var rel = ol.extent.coordinateRelationship(extent, [0, -90]);
expect(rel).to.be(INTERSECTING);
});
it('returns intersecting for touching left', function() {
var rel = ol.extent.coordinateRelationship(extent, [-180, 0]);
expect(rel).to.be(INTERSECTING);
});
it('above for north', function() {
var rel = ol.extent.coordinateRelationship(extent, [0, 100]);
expect(rel).to.be(ABOVE);
});
it('above and right for northeast', function() {
var rel = ol.extent.coordinateRelationship(extent, [190, 100]);
expect(rel & ABOVE).to.be(ABOVE);
expect(rel & RIGHT).to.be(RIGHT);
});
it('right for east', function() {
var rel = ol.extent.coordinateRelationship(extent, [190, 0]);
expect(rel).to.be(RIGHT);
});
it('below and right for southeast', function() {
var rel = ol.extent.coordinateRelationship(extent, [190, -100]);
expect(rel & BELOW).to.be(BELOW);
expect(rel & RIGHT).to.be(RIGHT);
});
it('below for south', function() {
var rel = ol.extent.coordinateRelationship(extent, [0, -100]);
expect(rel).to.be(BELOW);
});
it('below and left for southwest', function() {
var rel = ol.extent.coordinateRelationship(extent, [-190, -100]);
expect(rel & BELOW).to.be(BELOW);
expect(rel & LEFT).to.be(LEFT);
});
it('left for west', function() {
var rel = ol.extent.coordinateRelationship(extent, [-190, 0]);
expect(rel).to.be(LEFT);
});
it('above and left for northwest', function() {
var rel = ol.extent.coordinateRelationship(extent, [-190, 100]);
expect(rel & ABOVE).to.be(ABOVE);
expect(rel & LEFT).to.be(LEFT);
});
});
describe('getCenter', function() {
it('returns the expected center', function() {
var extent = [1, 2, 3, 4];
@@ -267,4 +346,5 @@ describe('ol.extent', function() {
goog.require('ol.extent');
goog.require('ol.extent.Relationship');
goog.require('ol.proj');