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Implement read/write transforms for ol.format.Polyline

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This commit is contained in:
tsauerwein
2014-08-11 11:59:27 +02:00
parent f8560df793
commit 48ed2e861e
6 changed files with 119 additions and 41 deletions
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70
test/spec/ol/format/polylineformat.test.js
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@@ -11,13 +11,17 @@ describe('ol.format.Polyline', function() {
function resetTestingData() {
format = new ol.format.Polyline();
points = [[38.50000, -120.20000],
[40.70000, -120.95000],
[43.25200, -126.45300]];
flatPoints = [38.50000, -120.20000,
40.70000, -120.95000,
43.25200, -126.45300];
encodedFlatPoints = '_p~iF~ps|U_ulLnnqC_mqNvxq`@';
points = [[-120.20000, 38.50000],
[-120.95000, 40.70000],
[-126.45300, 43.25200]];
flatPoints = [-120.20000, 38.50000,
-120.95000, 40.70000,
-126.45300, 43.25200];
encodedFlatPoints = '~ps|U_p~iFnnqC_ulLvxq`@_mqN';
points3857 = [
ol.proj.transform([-120.20000, 38.50000], 'EPSG:4326', 'EPSG:3857'),
ol.proj.transform([-120.95000, 40.70000], 'EPSG:4326', 'EPSG:3857'),
ol.proj.transform([-126.45300, 43.25200], 'EPSG:4326', 'EPSG:3857')];
floats = [0.00, 0.15, -0.01, -0.16, 0.16, 0.01];
smallFloats = [0.00000, 0.00015, -0.00001, -0.00016, 0.00016, 0.00001];
@@ -253,6 +257,16 @@ describe('ol.format.Polyline', function() {
expect(geometry.getFlatCoordinates()).to.eql(flatPoints);
});
it('transforms and returns the expected feature', function() {
var feature = format.readFeature(encodedFlatPoints, {
featureProjection: 'EPSG:3857'
});
expect(feature).to.be.an(ol.Feature);
var geometry = feature.getGeometry();
expect(geometry).to.be.an(ol.geom.LineString);
expect(geometry.getCoordinates()).to.eql(points3857);
});
});
describe('#readFeatures', function() {
@@ -268,6 +282,19 @@ describe('ol.format.Polyline', function() {
expect(geometry.getFlatCoordinates()).to.eql(flatPoints);
});
it('transforms and returns the expected features', function() {
var features = format.readFeatures(encodedFlatPoints, {
featureProjection: 'EPSG:3857'
});
expect(features).to.be.an(Array);
expect(features).to.have.length(1);
var feature = features[0];
expect(feature).to.be.an(ol.Feature);
var geometry = feature.getGeometry();
expect(geometry).to.be.an(ol.geom.LineString);
expect(geometry.getCoordinates()).to.eql(points3857);
});
});
describe('#readGeometry', function() {
@@ -278,6 +305,14 @@ describe('ol.format.Polyline', function() {
expect(geometry.getFlatCoordinates()).to.eql(flatPoints);
});
it('transforms and returns the expected geometry', function() {
var geometry = format.readGeometry(encodedFlatPoints, {
featureProjection: 'EPSG:3857'
});
expect(geometry).to.be.an(ol.geom.LineString);
expect(geometry.getCoordinates()).to.eql(points3857);
});
});
describe('#readProjection', function() {
@@ -296,6 +331,13 @@ describe('ol.format.Polyline', function() {
expect(format.writeFeature(feature)).to.be(encodedFlatPoints);
});
it('transforms and returns the expected text', function() {
var feature = new ol.Feature(new ol.geom.LineString(points3857));
expect(format.writeFeature(feature, {
featureProjection: 'EPSG:3857'
})).to.be(encodedFlatPoints);
});
});
describe('#writeFeature', function() {
@@ -305,6 +347,13 @@ describe('ol.format.Polyline', function() {
expect(format.writeFeatures(features)).to.be(encodedFlatPoints);
});
it('transforms and returns the expected text', function() {
var features = [new ol.Feature(new ol.geom.LineString(points3857))];
expect(format.writeFeatures(features, {
featureProjection: 'EPSG:3857'
})).to.be(encodedFlatPoints);
});
});
describe('#writeGeometry', function() {
@@ -314,6 +363,13 @@ describe('ol.format.Polyline', function() {
expect(format.writeGeometry(geometry)).to.be(encodedFlatPoints);
});
it('transforms and returns the expected text', function() {
var geometry = new ol.geom.LineString(points3857);
expect(format.writeGeometry(geometry, {
featureProjection: 'EPSG:3857'
})).to.be(encodedFlatPoints);
});
});
});