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Add function to convert RenderFeature to Feature

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This commit is contained in:
Maximilian Krög
2022-01-28 22:24:18 +01:00
parent f2d65ba0ab
commit 856f239280
4 changed files with 366 additions and 25 deletions
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247
test/node/ol/render/Feature.test.js Normal file
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import GeometryType from '../../../../src/ol/geom/GeometryType.js';
import RenderFeature, {
toFeature,
toGeometry,
} from '../../../../src/ol/render/Feature.js';
import expect from '../../expect.js';
import {
LineString,
MultiLineString,
MultiPoint,
MultiPolygon,
Point,
Polygon,
} from '../../../../src/ol/geom.js';
describe('ol/render/Feature', function () {
describe('ol/render/Feature.toGeometry()', function () {
it('creates a Point', function () {
const geometry = new Point([0, 0]);
const renderFeature = new RenderFeature(
geometry.getType(),
geometry.getFlatCoordinates().slice(),
[]
);
const converted = toGeometry(renderFeature);
expect(converted).to.be.a(Point);
expect(converted.getFlatCoordinates()).to.eql(
geometry.getFlatCoordinates()
);
expect(converted.getProperties()).to.eql({});
});
it('creates a MultiPoint', function () {
const geometry = new MultiPoint([
[0, 0],
[4, 5],
]);
const renderFeature = new RenderFeature(
geometry.getType(),
geometry.getFlatCoordinates().slice(),
[]
);
const converted = toGeometry(renderFeature);
expect(converted).to.be.a(MultiPoint);
expect(converted.getFlatCoordinates()).to.eql(
geometry.getFlatCoordinates()
);
expect(converted.getProperties()).to.eql({});
});
it('creates a LineString', function () {
const geometry = new LineString([
[0, 0],
[4, 5],
]);
const renderFeature = new RenderFeature(
geometry.getType(),
geometry.getFlatCoordinates().slice(),
[]
);
const converted = toGeometry(renderFeature);
expect(converted).to.be.a(LineString);
expect(converted.getFlatCoordinates()).to.eql(
geometry.getFlatCoordinates()
);
expect(converted.getProperties()).to.eql({});
});
it('creates a MultiLineString', function () {
const geometry = new MultiLineString([
[
[0, 0],
[4, 5],
],
[
[0, 0],
[4, 5],
],
]);
const renderFeature = new RenderFeature(
geometry.getType(),
geometry.getFlatCoordinates().slice(),
geometry.getEnds().slice()
);
const converted = toGeometry(renderFeature);
expect(converted).to.be.a(MultiLineString);
expect(converted.getFlatCoordinates()).to.eql(
geometry.getFlatCoordinates()
);
expect(converted.getEnds()).to.eql(geometry.getEnds());
expect(converted.getProperties()).to.eql({});
});
it('creates a Polygon', function () {
const geometry = new Polygon([
[
[0, 0],
[5, 0],
[5, 5],
[0, 0],
],
[
[1, 1],
[4, 4],
[4, 1],
[1, 1],
],
]);
const renderFeature = new RenderFeature(
geometry.getType(),
geometry.getFlatCoordinates().slice(),
geometry.getEnds().slice()
);
const converted = toGeometry(renderFeature);
expect(converted).to.be.a(Polygon);
expect(converted.getFlatCoordinates()).to.eql(
geometry.getFlatCoordinates()
);
expect(converted.getEnds()).to.eql(geometry.getEnds());
expect(converted.getProperties()).to.eql({});
});
it('creates a MultiPolygon from oriented polygon rings', function () {
const geometry = new MultiPolygon([
[
[
[0, 0],
[5, 0],
[5, 5],
[0, 0],
],
[
[1, 1],
[4, 4],
[4, 1],
[1, 1],
],
],
[
[
[-0, -0],
[-5, -0],
[-5, -5],
[-0, -0],
],
],
]);
const renderFeature = new RenderFeature(
GeometryType.POLYGON,
geometry.getFlatCoordinates().slice(),
geometry.getEndss().flat(1)
);
const converted = toGeometry(renderFeature);
expect(converted).to.be.a(MultiPolygon);
expect(converted.getFlatCoordinates()).to.eql(
geometry.getFlatCoordinates()
);
expect(converted.getEndss()).to.eql(geometry.getEndss());
expect(converted.getProperties()).to.eql({});
});
it('creates a MultiPolygon', function () {
const geometry = new MultiPolygon([
[
[
[0, 0],
[5, 0],
[5, 5],
[0, 0],
],
[
[1, 1],
[4, 1],
[4, 4],
[1, 1],
],
],
[
[
[-0, -0],
[-5, -0],
[-5, -5],
[-0, -0],
],
],
]);
const renderFeature = new RenderFeature(
geometry.getType(),
geometry.getFlatCoordinates().slice(),
geometry.getEndss().slice()
);
const converted = toGeometry(renderFeature);
expect(converted).to.be.a(MultiPolygon);
expect(converted.getFlatCoordinates()).to.eql(
geometry.getFlatCoordinates()
);
expect(converted.getEndss()).to.eql(geometry.getEndss());
expect(converted.getProperties()).to.eql({});
});
});
describe('ol/render/Feature.toFeature()', function () {
it('creates a Feature<Point>', function () {
const id = 'asdf';
const properties = {test: '123'};
const geometry = new Point([0, 0]);
const renderFeature = new RenderFeature(
geometry.getType(),
geometry.getFlatCoordinates().slice(),
[],
properties,
id
);
const feature = toFeature(renderFeature);
const converted = feature.getGeometry();
expect(converted).to.be.a(Point);
expect(converted.getFlatCoordinates()).to.eql(
geometry.getFlatCoordinates()
);
expect(feature.getId()).to.be(id);
const props = feature.getProperties();
delete props.geometry;
expect(props).to.eql(properties);
});
});
it('creates a Feature<LineString> with non-default geometry name', function () {
const id = 'asdf';
const properties = {geometry: '123'};
const geometry = new LineString([
[0, 0],
[5, 5],
]);
const renderFeature = new RenderFeature(
geometry.getType(),
geometry.getFlatCoordinates().slice(),
[],
properties,
id
);
const geometryName = 'geom';
const feature = toFeature(renderFeature, geometryName);
const converted = feature.getGeometry();
expect(converted).to.be.a(LineString);
expect(feature.get(geometryName)).to.be(converted);
expect(converted.getFlatCoordinates()).to.eql(
geometry.getFlatCoordinates()
);
expect(feature.getId()).to.be(id);
const props = feature.getProperties();
delete props.geom;
expect(props).to.eql(properties);
});
});