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New structure for extent: [minCoord, maxCoord]

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This commit is contained in:
Tim Schaub
2013-09-03 17:37:50 -06:00
parent 26b46d248b
commit fcf00dea8b
2 changed files with 129 additions and 131 deletions
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145
test/spec/ol/extent.test.js
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@@ -7,7 +7,7 @@ describe('ol.extent', function() {
describe('positive', function() {
it('returns true', function() {
var extent = [1, 3, 2, 4];
var extent = [[1, 2], [3, 4]];
expect(ol.extent.containsCoordinate(extent, [1, 2])).to.be.ok();
expect(ol.extent.containsCoordinate(extent, [1, 3])).to.be.ok();
expect(ol.extent.containsCoordinate(extent, [1, 4])).to.be.ok();
@@ -22,7 +22,7 @@ describe('ol.extent', function() {
describe('negative', function() {
it('returns false', function() {
var extent = [1, 3, 2, 4];
var extent = [[1, 2], [3, 4]];
expect(ol.extent.containsCoordinate(extent, [0, 1])).to.not.be();
expect(ol.extent.containsCoordinate(extent, [0, 2])).to.not.be();
expect(ol.extent.containsCoordinate(extent, [0, 3])).to.not.be();
@@ -45,7 +45,7 @@ describe('ol.extent', function() {
describe('getCenter', function() {
it('returns the expected center', function() {
var extent = [1, 3, 2, 4];
var extent = [[1, 2], [3, 4]];
var center = ol.extent.getCenter(extent);
expect(center[0]).to.eql(2);
expect(center[1]).to.eql(3);
@@ -57,53 +57,53 @@ describe('ol.extent', function() {
it('works for a unit square', function() {
var extent = ol.extent.getForView2DAndSize(
[0, 0], 1, 0, [1, 1]);
expect(extent[0]).to.be(-0.5);
expect(extent[1]).to.be(0.5);
expect(extent[2]).to.be(-0.5);
expect(extent[3]).to.be(0.5);
expect(extent[0][0]).to.be(-0.5);
expect(extent[1][0]).to.be(0.5);
expect(extent[0][1]).to.be(-0.5);
expect(extent[1][1]).to.be(0.5);
});
it('works for center', function() {
var extent = ol.extent.getForView2DAndSize(
[5, 10], 1, 0, [1, 1]);
expect(extent[0]).to.be(4.5);
expect(extent[1]).to.be(5.5);
expect(extent[2]).to.be(9.5);
expect(extent[3]).to.be(10.5);
expect(extent[0][0]).to.be(4.5);
expect(extent[1][0]).to.be(5.5);
expect(extent[0][1]).to.be(9.5);
expect(extent[1][1]).to.be(10.5);
});
it('works for rotation', function() {
var extent = ol.extent.getForView2DAndSize(
[0, 0], 1, Math.PI / 4, [1, 1]);
expect(extent[0]).to.roughlyEqual(-Math.sqrt(0.5), 1e-9);
expect(extent[1]).to.roughlyEqual(Math.sqrt(0.5), 1e-9);
expect(extent[2]).to.roughlyEqual(-Math.sqrt(0.5), 1e-9);
expect(extent[3]).to.roughlyEqual(Math.sqrt(0.5), 1e-9);
expect(extent[0][0]).to.roughlyEqual(-Math.sqrt(0.5), 1e-9);
expect(extent[1][0]).to.roughlyEqual(Math.sqrt(0.5), 1e-9);
expect(extent[0][1]).to.roughlyEqual(-Math.sqrt(0.5), 1e-9);
expect(extent[1][1]).to.roughlyEqual(Math.sqrt(0.5), 1e-9);
});
it('works for resolution', function() {
var extent = ol.extent.getForView2DAndSize(
[0, 0], 2, 0, [1, 1]);
expect(extent[0]).to.be(-1);
expect(extent[1]).to.be(1);
expect(extent[2]).to.be(-1);
expect(extent[3]).to.be(1);
expect(extent[0][0]).to.be(-1);
expect(extent[1][0]).to.be(1);
expect(extent[0][1]).to.be(-1);
expect(extent[1][1]).to.be(1);
});
it('works for size', function() {
var extent = ol.extent.getForView2DAndSize(
[0, 0], 1, 0, [10, 5]);
expect(extent[0]).to.be(-5);
expect(extent[1]).to.be(5);
expect(extent[2]).to.be(-2.5);
expect(extent[3]).to.be(2.5);
expect(extent[0][0]).to.be(-5);
expect(extent[1][0]).to.be(5);
expect(extent[0][1]).to.be(-2.5);
expect(extent[1][1]).to.be(2.5);
});
});
describe('getSize', function() {
it('returns the expected size', function() {
var extent = [0, 2, 1, 4];
var extent = [[0, 1], [2, 4]];
var size = ol.extent.getSize(extent);
expect(size).to.eql([2, 3]);
});
@@ -111,46 +111,42 @@ describe('ol.extent', function() {
describe('intersect', function() {
var extent1;
beforeEach(function() {
extent1 = [50, 100, 50, 100];
});
it('returns the expected value', function() {
expect(ol.extent.intersects(extent1, extent1)).to.be(true);
expect(ol.extent.intersects(extent1, [20, 80, 20, 80])).to.be(true);
expect(ol.extent.intersects(extent1, [20, 80, 50, 100])).to.be(true);
expect(ol.extent.intersects(extent1, [20, 80, 80, 120])).to.be(true);
expect(ol.extent.intersects(extent1, [50, 100, 20, 80])).to.be(true);
expect(ol.extent.intersects(extent1, [50, 100, 80, 120])).to.be(true);
expect(ol.extent.intersects(extent1, [80, 120, 20, 80])).to.be(true);
expect(ol.extent.intersects(extent1, [80, 120, 50, 100])).to.be(true);
expect(ol.extent.intersects(extent1, [80, 120, 80, 120])).to.be(true);
expect(ol.extent.intersects(extent1, [20, 120, 20, 120])).to.be(true);
expect(ol.extent.intersects(extent1, [70, 80, 70, 80])).to.be(true);
expect(ol.extent.intersects(extent1, [10, 30, 10, 30])).to.be(false);
expect(ol.extent.intersects(extent1, [30, 70, 10, 30])).to.be(false);
expect(ol.extent.intersects(extent1, [50, 100, 10, 30])).to.be(false);
expect(ol.extent.intersects(extent1, [80, 120, 10, 30])).to.be(false);
expect(ol.extent.intersects(extent1, [120, 140, 10, 30])).to.be(false);
expect(ol.extent.intersects(extent1, [10, 30, 30, 70])).to.be(false);
expect(ol.extent.intersects(extent1, [120, 140, 30, 70])).to.be(false);
expect(ol.extent.intersects(extent1, [10, 30, 50, 100])).to.be(false);
expect(ol.extent.intersects(extent1, [120, 140, 50, 100])).to.be(false);
expect(ol.extent.intersects(extent1, [10, 30, 80, 120])).to.be(false);
expect(ol.extent.intersects(extent1, [120, 140, 80, 120])).to.be(false);
expect(ol.extent.intersects(extent1, [10, 30, 120, 140])).to.be(false);
expect(ol.extent.intersects(extent1, [30, 70, 120, 140])).to.be(false);
expect(ol.extent.intersects(extent1, [50, 100, 120, 140])).to.be(false);
expect(ol.extent.intersects(extent1, [80, 120, 120, 140])).to.be(false);
expect(ol.extent.intersects(extent1, [120, 140, 120, 140])).to.be(false);
var intersects = ol.extent.intersects;
var extent = [[50, 50], [100, 100]];
expect(intersects(extent, extent)).to.be(true);
expect(intersects(extent, [[20, 20], [80, 80]])).to.be(true);
expect(intersects(extent, [[20, 50], [80, 100]])).to.be(true);
expect(intersects(extent, [[20, 80], [80, 120]])).to.be(true);
expect(intersects(extent, [[50, 20], [100, 80]])).to.be(true);
expect(intersects(extent, [[50, 80], [100, 120]])).to.be(true);
expect(intersects(extent, [[80, 20], [120, 80]])).to.be(true);
expect(intersects(extent, [[80, 50], [120, 100]])).to.be(true);
expect(intersects(extent, [[80, 80], [120, 120]])).to.be(true);
expect(intersects(extent, [[20, 20], [120, 120]])).to.be(true);
expect(intersects(extent, [[70, 70], [80, 80]])).to.be(true);
expect(intersects(extent, [[10, 10], [30, 30]])).to.be(false);
expect(intersects(extent, [[30, 10], [70, 30]])).to.be(false);
expect(intersects(extent, [[50, 10], [100, 30]])).to.be(false);
expect(intersects(extent, [[80, 10], [120, 30]])).to.be(false);
expect(intersects(extent, [[120, 10], [140, 30]])).to.be(false);
expect(intersects(extent, [[10, 30], [30, 70]])).to.be(false);
expect(intersects(extent, [[120, 30], [140, 70]])).to.be(false);
expect(intersects(extent, [[10, 50], [30, 100]])).to.be(false);
expect(intersects(extent, [[120, 50], [140, 100]])).to.be(false);
expect(intersects(extent, [[10, 80], [30, 120]])).to.be(false);
expect(intersects(extent, [[120, 80], [140, 120]])).to.be(false);
expect(intersects(extent, [[10, 120], [30, 140]])).to.be(false);
expect(intersects(extent, [[30, 120], [70, 140]])).to.be(false);
expect(intersects(extent, [[50, 120], [100, 140]])).to.be(false);
expect(intersects(extent, [[80, 120], [120, 140]])).to.be(false);
expect(intersects(extent, [[120, 120], [140, 140]])).to.be(false);
});
});
describe('normalize', function() {
it('returns the expected coordinate', function() {
var extent = [0, 2, 1, 3];
var extent = [[0, 1], [2, 3]];
var coordinate;
coordinate = ol.extent.normalize(extent, [1, 2]);
@@ -177,18 +173,18 @@ describe('ol.extent', function() {
describe('scaleFromCenter', function() {
it('scales the extent from its center', function() {
var extent = [1, 3, 1, 3];
var extent = [[1, 1], [3, 3]];
ol.extent.scaleFromCenter(extent, 2);
expect(extent[0]).to.eql(0);
expect(extent[1]).to.eql(4);
expect(extent[2]).to.eql(0);
expect(extent[3]).to.eql(4);
expect(extent[0][0]).to.eql(0);
expect(extent[1][0]).to.eql(4);
expect(extent[0][1]).to.eql(0);
expect(extent[1][1]).to.eql(4);
});
});
describe('toString', function() {
it('returns the expected string', function() {
var extent = [0, 2, 1, 3];
var extent = [[0, 1], [2, 3]];
expect(ol.extent.toString(extent)).to.eql('(0, 2, 1, 3)');
});
});
@@ -197,15 +193,16 @@ describe('ol.extent', function() {
it('does transform', function() {
var transformFn = ol.proj.getTransform('EPSG:4326', 'EPSG:3857');
var sourceExtent = [-15, 45, -30, 60];
var sourceExtent = [[-15, -30], [45, 60]];
var destinationExtent = ol.extent.transform(sourceExtent, transformFn);
expect(destinationExtent).not.to.be(undefined);
expect(destinationExtent).not.to.be(null);
// FIXME check values with third-party tool
expect(destinationExtent[0]).to.roughlyEqual(-1669792.3618991037, 1e-9);
expect(destinationExtent[1]).to.roughlyEqual(5009377.085697311, 1e-9);
expect(destinationExtent[2]).to.roughlyEqual(-3503549.843504376, 1e-8);
expect(destinationExtent[3]).to.roughlyEqual(8399737.889818361, 1e-9);
expect(destinationExtent[0][0])
.to.roughlyEqual(-1669792.3618991037, 1e-9);
expect(destinationExtent[1][0]).to.roughlyEqual(5009377.085697311, 1e-9);
expect(destinationExtent[0][1]).to.roughlyEqual(-3503549.843504376, 1e-8);
expect(destinationExtent[1][1]).to.roughlyEqual(8399737.889818361, 1e-9);
});
it('takes arbitrary function', function() {
@@ -222,14 +219,14 @@ describe('ol.extent', function() {
}
return output;
};
var sourceExtent = [-15, 45, -30, 60];
var sourceExtent = [[-15, -30], [45, 60]];
var destinationExtent = ol.extent.transform(sourceExtent, transformFn);
expect(destinationExtent).not.to.be(undefined);
expect(destinationExtent).not.to.be(null);
expect(destinationExtent[0]).to.be(-45);
expect(destinationExtent[1]).to.be(15);
expect(destinationExtent[2]).to.be(-60);
expect(destinationExtent[3]).to.be(30);
expect(destinationExtent[0][0]).to.be(-45);
expect(destinationExtent[1][0]).to.be(15);
expect(destinationExtent[0][1]).to.be(-60);
expect(destinationExtent[1][1]).to.be(30);
});
});