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show labels in wrapped worlds

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test labels in wrapped world
This commit is contained in:
mike-000
2020-03-11 14:09:33 +00:00
parent f448d7179a
commit 4ca966bd92
2 changed files with 100 additions and 39 deletions
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48
test/spec/ol/graticule.test.js
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@@ -1,6 +1,6 @@
import Graticule from '../../../src/ol/layer/Graticule.js';
import Map from '../../../src/ol/Map.js';
import {get as getProjection} from '../../../src/ol/proj.js';
import {fromLonLat, get as getProjection} from '../../../src/ol/proj.js';
import Stroke from '../../../src/ol/style/Stroke.js';
import Text from '../../../src/ol/style/Text.js';
import Feature from '../../../src/ol/Feature.js';
@@ -31,7 +31,48 @@ describe('ol.layer.Graticule', function() {
expect(graticule.parallelsLabels_).to.be(null);
});
it('creates a graticule with labels', function() {
it('creates a graticule with normal world labels', function() {
const feature = new Feature();
graticule = new Graticule({
showLabels: true,
wrapX: false
});
new Map({
layers: [graticule]
});
const extent = [-25614353.926475704, -7827151.696402049,
25614353.926475704, 7827151.696402049];
const projection = getProjection('EPSG:3857');
const resolution = 39135.75848201024;
graticule.loaderFunction(extent, resolution, projection);
const event = {
context: document.createElement('canvas').getContext('2d'),
inversePixelTransform: [1, 0, 0, 1, 0, 0],
frameState: {
coordinateToPixelTransform: [1, 0, 0, 1, 0, 0],
extent: extent,
pixelRatio: 1,
viewState: {
projection: projection,
resolution: resolution,
rotation: 0
}
}
};
graticule.drawLabels_(event);
expect(graticule.meridiansLabels_.length).to.be(13);
expect(graticule.meridiansLabels_[0].text).to.be('0° 00′ 00″');
expect(graticule.meridiansLabels_[0].geom.getCoordinates()[0]).to.roughlyEqual(0, 1e-9);
expect(graticule.parallelsLabels_.length).to.be(3);
expect(graticule.parallelsLabels_[0].text).to.be('0° 00′ 00″');
expect(graticule.parallelsLabels_[0].geom.getCoordinates()[1]).to.roughlyEqual(0, 1e-9);
feature.set('graticule_label', graticule.meridiansLabels_[0].text);
expect(graticule.lonLabelStyle_(feature).getText().getText()).to.be('0° 00′ 00″');
feature.set('graticule_label', graticule.parallelsLabels_[0].text);
expect(graticule.latLabelStyle_(feature).getText().getText()).to.be('0° 00′ 00″');
});
it('creates a graticule with wrapped world labels', function() {
const feature = new Feature();
graticule = new Graticule({
showLabels: true
@@ -61,7 +102,8 @@ describe('ol.layer.Graticule', function() {
graticule.drawLabels_(event);
expect(graticule.meridiansLabels_.length).to.be(13);
expect(graticule.meridiansLabels_[0].text).to.be('0° 00′ 00″');
expect(graticule.meridiansLabels_[0].geom.getCoordinates()[0]).to.roughlyEqual(0, 1e-9);
const coordinates = fromLonLat([360, 0]);
expect(graticule.meridiansLabels_[0].geom.getCoordinates()[0]).to.roughlyEqual(coordinates[0], 1e-9);
expect(graticule.parallelsLabels_.length).to.be(3);
expect(graticule.parallelsLabels_[0].text).to.be('0° 00′ 00″');
expect(graticule.parallelsLabels_[0].geom.getCoordinates()[1]).to.roughlyEqual(0, 1e-9);