Regression test for projected geometry collections

This commit is contained in:
Tim Schaub
2017-12-20 14:39:09 -07:00
parent 54b8622114
commit dae1921533

View File

@@ -95,6 +95,22 @@ describe('ol/sphere', function() {
[16697923.618991036, -4028802.0261344076]
]),
length: 4407939.124914191
}, {
geometry: new GeometryCollection([
new LineString([
[12801741.441226462, -3763310.627144653],
[14582853.293918837, -2511525.2348457114],
[15918687.18343812, -2875744.624352243],
[16697923.618991036, -4028802.0261344076]
]),
new LineString([
[12801741.441226462, -3763310.627144653],
[14582853.293918837, -2511525.2348457114],
[15918687.18343812, -2875744.624352243],
[16697923.618991036, -4028802.0261344076]
])
]),
length: 2 * 4407939.124914191
}, {
geometry: new LineString([
[115, -32],
@@ -151,6 +167,7 @@ describe('ol/sphere', function() {
describe('getArea()', function() {
var geometry;
var expectedArea = 145652224192.4434;
before(function(done) {
afterLoadText('spec/ol/format/wkt/illinois.wkt', function(wkt) {
try {
@@ -165,8 +182,22 @@ describe('ol/sphere', function() {
it('calculates the area of Ilinois', function() {
var area = getArea(geometry, {projection: 'EPSG:4326'});
expect(area).to.equal(145652224192.4434);
expect(area).to.equal(expectedArea);
});
it('calculates the area of a projected geometry', function() {
var projected = geometry.clone().transform('EPSG:4326', 'EPSG:3857');
var area = getArea(projected);
expect(area).to.roughlyEqual(expectedArea, 1e-3);
});
it('calculates the area of a projected geometry collection', function() {
var part = geometry.clone().transform('EPSG:4326', 'EPSG:3857');
var collection = new GeometryCollection([part, part.clone()]);
var area = getArea(collection);
expect(area).to.roughlyEqual(2 * expectedArea, 1e-3);
});
});
});