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Implement read/write transforms for ol.format.WKT

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This commit is contained in:
tsauerwein
2014-08-11 10:17:31 +02:00
parent bfb6c2e3b8
commit 9bc70f3459
3 changed files with 121 additions and 25 deletions
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75
test/spec/ol/format/wktformat.test.js
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@@ -15,6 +15,21 @@ describe('ol.format.WKT', function() {
expect(geom.getCoordinates()).to.eql([30, 10]);
});
it('Point transformed / read / written correctly', function() {
var wkt = 'POINT(1 2)';
var geom = format.readGeometry(wkt, {
dataProjection: 'EPSG:4326',
featureProjection: 'EPSG:3857'
});
expect(geom.getCoordinates()).to.eql(
ol.proj.transform([1, 2], 'EPSG:4326', 'EPSG:3857'));
var newWkt = format.writeGeometry(geom, {
dataProjection: 'EPSG:4326',
featureProjection: 'EPSG:3857'
});
expect(newWkt).to.eql(wkt);
});
it('MultiPoint read / written correctly', function() {
// there are two forms to test
var wkt = 'MULTIPOINT((10 40),(40 30),(20 20),(30 10))';
@@ -231,7 +246,67 @@ describe('ol.format.WKT', function() {
expect(format.writeFeatures(features)).to.eql(wkt);
});
it('Point feature read / written correctly', function() {
var wkt = 'POINT(30 10)';
var feature = format.readFeature(wkt);
var geom = feature.getGeometry();
expect(geom.getCoordinates()).to.eql([30, 10]);
expect(format.writeFeature(feature)).to.eql(wkt);
});
it('Point feature transformed / read / written correctly', function() {
var wkt = 'POINT(1 2)';
var feature = format.readFeature(wkt, {
dataProjection: 'EPSG:4326',
featureProjection: 'EPSG:3857'
});
var geom = feature.getGeometry();
expect(geom.getCoordinates()).to.eql(
ol.proj.transform([1, 2], 'EPSG:4326', 'EPSG:3857'));
var newWkt = format.writeFeature(feature, {
dataProjection: 'EPSG:4326',
featureProjection: 'EPSG:3857'
});
expect(newWkt).to.eql(wkt);
});
it('Features read / written correctly', function() {
var wkt = 'GEOMETRYCOLLECTION(POINT(1 2),POINT(3 4))';
var features = format.readFeatures(wkt);
expect(features.length).to.eql(2);
var point1 = features[0].getGeometry();
var point2 = features[1].getGeometry();
expect(point1.getType()).to.eql(ol.geom.GeometryType.POINT);
expect(point2.getType()).to.eql(ol.geom.GeometryType.POINT);
expect(point1.getCoordinates()).to.eql([1, 2]);
expect(point2.getCoordinates()).to.eql([3, 4]);
expect(format.writeFeatures(features)).to.eql(wkt);
});
it('Features transformed / read / written correctly', function() {
var wkt = 'GEOMETRYCOLLECTION(POINT(1 2),POINT(4 5))';
var features = format.readFeatures(wkt, {
dataProjection: 'EPSG:4326',
featureProjection: 'EPSG:3857'
});
expect(features.length).to.eql(2);
var point1 = features[0].getGeometry();
var point2 = features[1].getGeometry();
expect(point1.getType()).to.eql(ol.geom.GeometryType.POINT);
expect(point2.getType()).to.eql(ol.geom.GeometryType.POINT);
expect(point1.getCoordinates()).to.eql(
ol.proj.transform([1, 2], 'EPSG:4326', 'EPSG:3857'));
expect(point2.getCoordinates()).to.eql(
ol.proj.transform([4, 5], 'EPSG:4326', 'EPSG:3857'));
var newWkt = format.writeFeatures(features, {
dataProjection: 'EPSG:4326',
featureProjection: 'EPSG:3857'
});
expect(newWkt).to.eql(wkt);
});
});
goog.require('ol.geom.GeometryType');
goog.require('ol.format.WKT');
goog.require('ol.proj');