553 lines
15 KiB
JavaScript
553 lines
15 KiB
JavaScript
import LineString from '../../../../src/ol/geom/LineString.js';
|
|
import MultiLineString from '../../../../src/ol/geom/MultiLineString.js';
|
|
import expect from '../../expect.js';
|
|
import {isEmpty} from '../../../../src/ol/extent.js';
|
|
|
|
describe('ol/geom/MultiLineString.js', function () {
|
|
it('cannot be constructed with a null geometry', function () {
|
|
expect(function () {
|
|
return new MultiLineString(null);
|
|
}).to.throwException();
|
|
});
|
|
|
|
describe('construct empty', function () {
|
|
let multiLineString;
|
|
beforeEach(function () {
|
|
multiLineString = new MultiLineString([]);
|
|
});
|
|
|
|
it('defaults to layout XY', function () {
|
|
expect(multiLineString.getLayout()).to.be('XY');
|
|
});
|
|
|
|
it('has empty coordinates', function () {
|
|
expect(multiLineString.getCoordinates()).to.be.empty();
|
|
});
|
|
|
|
it('has an empty extent', function () {
|
|
expect(isEmpty(multiLineString.getExtent())).to.be(true);
|
|
});
|
|
|
|
it('has empty flat coordinates', function () {
|
|
expect(multiLineString.getFlatCoordinates()).to.be.empty();
|
|
});
|
|
|
|
it('has stride the expected stride', function () {
|
|
expect(multiLineString.getStride()).to.be(2);
|
|
});
|
|
|
|
it('can append line strings', function () {
|
|
multiLineString.appendLineString(
|
|
new LineString([
|
|
[1, 2],
|
|
[3, 4],
|
|
])
|
|
);
|
|
expect(multiLineString.getCoordinates()).to.eql([
|
|
[
|
|
[1, 2],
|
|
[3, 4],
|
|
],
|
|
]);
|
|
multiLineString.appendLineString(
|
|
new LineString([
|
|
[5, 6],
|
|
[7, 8],
|
|
])
|
|
);
|
|
expect(multiLineString.getCoordinates()).to.eql([
|
|
[
|
|
[1, 2],
|
|
[3, 4],
|
|
],
|
|
[
|
|
[5, 6],
|
|
[7, 8],
|
|
],
|
|
]);
|
|
});
|
|
});
|
|
|
|
describe('construct with 2D coordinates', function () {
|
|
let multiLineString;
|
|
beforeEach(function () {
|
|
multiLineString = new MultiLineString([
|
|
[
|
|
[1, 2],
|
|
[3, 4],
|
|
],
|
|
[
|
|
[5, 6],
|
|
[7, 8],
|
|
],
|
|
]);
|
|
});
|
|
|
|
it('has the expected layout', function () {
|
|
expect(multiLineString.getLayout()).to.be('XY');
|
|
});
|
|
|
|
it('has the expected coordinates', function () {
|
|
expect(multiLineString.getCoordinates()).to.eql([
|
|
[
|
|
[1, 2],
|
|
[3, 4],
|
|
],
|
|
[
|
|
[5, 6],
|
|
[7, 8],
|
|
],
|
|
]);
|
|
});
|
|
|
|
it('has the expected extent', function () {
|
|
expect(multiLineString.getExtent()).to.eql([1, 2, 7, 8]);
|
|
});
|
|
|
|
it('has the expected flat coordinates', function () {
|
|
expect(multiLineString.getFlatCoordinates()).to.eql([
|
|
1, 2, 3, 4, 5, 6, 7, 8,
|
|
]);
|
|
});
|
|
|
|
it('has stride the expected stride', function () {
|
|
expect(multiLineString.getStride()).to.be(2);
|
|
});
|
|
|
|
describe('#getFlatMidpoints', function () {
|
|
it('returns the expected result', function () {
|
|
expect(multiLineString.getFlatMidpoints()).to.eql([2, 3, 6, 7]);
|
|
});
|
|
});
|
|
|
|
describe('#intersectsExtent()', function () {
|
|
it('returns true for intersecting part of lineString', function () {
|
|
expect(multiLineString.intersectsExtent([1, 2, 2, 3])).to.be(true);
|
|
});
|
|
|
|
it('returns false for non-matching extent within own extent', function () {
|
|
expect(multiLineString.intersectsExtent([1, 7, 2, 8])).to.be(false);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('construct with 3D coordinates', function () {
|
|
let multiLineString;
|
|
beforeEach(function () {
|
|
multiLineString = new MultiLineString([
|
|
[
|
|
[1, 2, 3],
|
|
[4, 5, 6],
|
|
],
|
|
[
|
|
[7, 8, 9],
|
|
[10, 11, 12],
|
|
],
|
|
]);
|
|
});
|
|
|
|
it('has the expected layout', function () {
|
|
expect(multiLineString.getLayout()).to.be('XYZ');
|
|
});
|
|
|
|
it('has the expected coordinates', function () {
|
|
expect(multiLineString.getCoordinates()).to.eql([
|
|
[
|
|
[1, 2, 3],
|
|
[4, 5, 6],
|
|
],
|
|
[
|
|
[7, 8, 9],
|
|
[10, 11, 12],
|
|
],
|
|
]);
|
|
});
|
|
|
|
it('has the expected extent', function () {
|
|
expect(multiLineString.getExtent()).to.eql([1, 2, 10, 11]);
|
|
});
|
|
|
|
it('has the expected flat coordinates', function () {
|
|
expect(multiLineString.getFlatCoordinates()).to.eql([
|
|
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
|
|
]);
|
|
});
|
|
|
|
it('has stride the expected stride', function () {
|
|
expect(multiLineString.getStride()).to.be(3);
|
|
});
|
|
});
|
|
|
|
describe('construct with 3D coordinates and layout XYM', function () {
|
|
let multiLineString;
|
|
beforeEach(function () {
|
|
multiLineString = new MultiLineString(
|
|
[
|
|
[
|
|
[1, 2, 3],
|
|
[4, 5, 6],
|
|
],
|
|
[
|
|
[7, 8, 9],
|
|
[10, 11, 12],
|
|
],
|
|
],
|
|
'XYM'
|
|
);
|
|
});
|
|
|
|
it('has the expected layout', function () {
|
|
expect(multiLineString.getLayout()).to.be('XYM');
|
|
});
|
|
|
|
it('has the expected coordinates', function () {
|
|
expect(multiLineString.getCoordinates()).to.eql([
|
|
[
|
|
[1, 2, 3],
|
|
[4, 5, 6],
|
|
],
|
|
[
|
|
[7, 8, 9],
|
|
[10, 11, 12],
|
|
],
|
|
]);
|
|
});
|
|
|
|
it('has the expected extent', function () {
|
|
expect(multiLineString.getExtent()).to.eql([1, 2, 10, 11]);
|
|
});
|
|
|
|
it('has the expected flat coordinates', function () {
|
|
expect(multiLineString.getFlatCoordinates()).to.eql([
|
|
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
|
|
]);
|
|
});
|
|
|
|
it('has stride the expected stride', function () {
|
|
expect(multiLineString.getStride()).to.be(3);
|
|
});
|
|
|
|
it('can return individual line strings', function () {
|
|
const lineString0 = multiLineString.getLineString(0);
|
|
expect(lineString0).to.be.an(LineString);
|
|
expect(lineString0.getLayout()).to.be('XYM');
|
|
expect(lineString0.getCoordinates()).to.eql([
|
|
[1, 2, 3],
|
|
[4, 5, 6],
|
|
]);
|
|
const lineString1 = multiLineString.getLineString(1);
|
|
expect(lineString1).to.be.an(LineString);
|
|
expect(lineString1.getLayout()).to.be('XYM');
|
|
expect(lineString1.getCoordinates()).to.eql([
|
|
[7, 8, 9],
|
|
[10, 11, 12],
|
|
]);
|
|
});
|
|
|
|
describe('#getCoordinateAtM', function () {
|
|
describe('with extrapolation and interpolation', function () {
|
|
it('returns the expected value', function () {
|
|
expect(multiLineString.getCoordinateAtM(0, true, true)).to.eql([
|
|
1, 2, 0,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(3, true, true)).to.eql([
|
|
1, 2, 3,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(4.5, true, true)).to.eql([
|
|
2.5, 3.5, 4.5,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(6, true, true)).to.eql([
|
|
4, 5, 6,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(7.5, true, true)).to.eql([
|
|
5.5, 6.5, 7.5,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(9, true, true)).to.eql([
|
|
7, 8, 9,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(10.5, true, true)).to.eql([
|
|
8.5, 9.5, 10.5,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(12, true, true)).to.eql([
|
|
10, 11, 12,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(15, true, true)).to.eql([
|
|
10, 11, 15,
|
|
]);
|
|
});
|
|
});
|
|
|
|
describe('with extrapolation and no interpolation', function () {
|
|
it('returns the expected value', function () {
|
|
expect(multiLineString.getCoordinateAtM(0, true, false)).to.eql([
|
|
1, 2, 0,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(3, true, false)).to.eql([
|
|
1, 2, 3,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(4.5, true, false)).to.eql([
|
|
2.5, 3.5, 4.5,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(6, true, false)).to.eql([
|
|
4, 5, 6,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(7.5, true, false)).to.be(
|
|
null
|
|
);
|
|
expect(multiLineString.getCoordinateAtM(9, true, false)).to.eql([
|
|
7, 8, 9,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(10.5, true, false)).to.eql([
|
|
8.5, 9.5, 10.5,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(12, true, false)).to.eql([
|
|
10, 11, 12,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(15, true, false)).to.eql([
|
|
10, 11, 15,
|
|
]);
|
|
});
|
|
});
|
|
|
|
describe('with no extrapolation and interpolation', function () {
|
|
it('returns the expected value', function () {
|
|
expect(multiLineString.getCoordinateAtM(0, false, true)).to.eql(null);
|
|
expect(multiLineString.getCoordinateAtM(3, false, true)).to.eql([
|
|
1, 2, 3,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(4.5, false, true)).to.eql([
|
|
2.5, 3.5, 4.5,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(6, false, true)).to.eql([
|
|
4, 5, 6,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(7.5, false, true)).to.eql([
|
|
5.5, 6.5, 7.5,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(9, false, true)).to.eql([
|
|
7, 8, 9,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(10.5, false, true)).to.eql([
|
|
8.5, 9.5, 10.5,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(12, false, true)).to.eql([
|
|
10, 11, 12,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(15, false, true)).to.eql(
|
|
null
|
|
);
|
|
});
|
|
});
|
|
|
|
describe('with no extrapolation or interpolation', function () {
|
|
it('returns the expected value', function () {
|
|
expect(multiLineString.getCoordinateAtM(0, false, false)).to.eql(
|
|
null
|
|
);
|
|
expect(multiLineString.getCoordinateAtM(3, false, false)).to.eql([
|
|
1, 2, 3,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(4.5, false, false)).to.eql([
|
|
2.5, 3.5, 4.5,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(6, false, false)).to.eql([
|
|
4, 5, 6,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(7.5, false, false)).to.eql(
|
|
null
|
|
);
|
|
expect(multiLineString.getCoordinateAtM(9, false, false)).to.eql([
|
|
7, 8, 9,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(10.5, false, false)).to.eql([
|
|
8.5, 9.5, 10.5,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(12, false, false)).to.eql([
|
|
10, 11, 12,
|
|
]);
|
|
expect(multiLineString.getCoordinateAtM(15, false, false)).to.eql(
|
|
null
|
|
);
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('construct with 4D coordinates', function () {
|
|
let multiLineString;
|
|
beforeEach(function () {
|
|
multiLineString = new MultiLineString([
|
|
[
|
|
[1, 2, 3, 4],
|
|
[5, 6, 7, 8],
|
|
],
|
|
[
|
|
[9, 10, 11, 12],
|
|
[13, 14, 15, 16],
|
|
],
|
|
]);
|
|
});
|
|
|
|
it('has the expected layout', function () {
|
|
expect(multiLineString.getLayout()).to.be('XYZM');
|
|
});
|
|
|
|
it('has the expected coordinates', function () {
|
|
expect(multiLineString.getCoordinates()).to.eql([
|
|
[
|
|
[1, 2, 3, 4],
|
|
[5, 6, 7, 8],
|
|
],
|
|
[
|
|
[9, 10, 11, 12],
|
|
[13, 14, 15, 16],
|
|
],
|
|
]);
|
|
});
|
|
|
|
it('has the expected extent', function () {
|
|
expect(multiLineString.getExtent()).to.eql([1, 2, 13, 14]);
|
|
});
|
|
|
|
it('has the expected flat coordinates', function () {
|
|
expect(multiLineString.getFlatCoordinates()).to.eql([
|
|
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
|
|
]);
|
|
});
|
|
|
|
it('has stride the expected stride', function () {
|
|
expect(multiLineString.getStride()).to.be(4);
|
|
});
|
|
});
|
|
|
|
describe('#scale()', function () {
|
|
it('scales a multi-linestring', function () {
|
|
const geom = new MultiLineString([
|
|
[
|
|
[-10, -20],
|
|
[10, 20],
|
|
],
|
|
[
|
|
[5, -10],
|
|
[-5, 10],
|
|
],
|
|
]);
|
|
geom.scale(10);
|
|
const coordinates = geom.getCoordinates();
|
|
expect(coordinates).to.eql([
|
|
[
|
|
[-100, -200],
|
|
[100, 200],
|
|
],
|
|
[
|
|
[50, -100],
|
|
[-50, 100],
|
|
],
|
|
]);
|
|
});
|
|
|
|
it('accepts sx and sy', function () {
|
|
const geom = new MultiLineString([
|
|
[
|
|
[-10, -20],
|
|
[10, 20],
|
|
],
|
|
[
|
|
[5, -10],
|
|
[-5, 10],
|
|
],
|
|
]);
|
|
geom.scale(2, 3);
|
|
const coordinates = geom.getCoordinates();
|
|
expect(coordinates).to.eql([
|
|
[
|
|
[-20, -60],
|
|
[20, 60],
|
|
],
|
|
[
|
|
[10, -30],
|
|
[-10, 30],
|
|
],
|
|
]);
|
|
});
|
|
|
|
it('accepts an anchor', function () {
|
|
const geom = new MultiLineString([
|
|
[
|
|
[-10, -20],
|
|
[10, 20],
|
|
],
|
|
[
|
|
[5, -10],
|
|
[-5, 10],
|
|
],
|
|
]);
|
|
geom.scale(3, 2, [10, 20]);
|
|
const coordinates = geom.getCoordinates();
|
|
expect(coordinates).to.eql([
|
|
[
|
|
[-50, -60],
|
|
[10, 20],
|
|
],
|
|
[
|
|
[-5, -40],
|
|
[-35, 0],
|
|
],
|
|
]);
|
|
});
|
|
});
|
|
|
|
describe('#setLineStrings', function () {
|
|
it('sets the line strings', function () {
|
|
const lineString1 = new LineString([
|
|
[1, 2],
|
|
[3, 4],
|
|
]);
|
|
const lineString2 = new LineString([
|
|
[5, 6],
|
|
[7, 8],
|
|
]);
|
|
const multiLineString = new MultiLineString([lineString1, lineString2]);
|
|
expect(multiLineString.getFlatCoordinates()).to.eql([
|
|
1, 2, 3, 4, 5, 6, 7, 8,
|
|
]);
|
|
expect(multiLineString.getEnds()).to.eql([4, 8]);
|
|
const coordinates = multiLineString.getCoordinates();
|
|
expect(coordinates[0]).to.eql(lineString1.getCoordinates());
|
|
expect(coordinates[1]).to.eql(lineString2.getCoordinates());
|
|
});
|
|
});
|
|
|
|
describe('#containsXY()', function () {
|
|
let multiLineString;
|
|
beforeEach(function () {
|
|
multiLineString = new MultiLineString([
|
|
[
|
|
[1, 2, 3],
|
|
[4, 5, 6],
|
|
],
|
|
[
|
|
[-1, -1, 9],
|
|
[2, 2, 12],
|
|
],
|
|
]);
|
|
});
|
|
|
|
it('does contain XY', function () {
|
|
expect(multiLineString.containsXY(1, 2)).to.be(true);
|
|
expect(multiLineString.containsXY(4, 5)).to.be(true);
|
|
expect(multiLineString.containsXY(3, 4)).to.be(true);
|
|
|
|
expect(multiLineString.containsXY(-1, -1)).to.be(true);
|
|
expect(multiLineString.containsXY(2, 2)).to.be(true);
|
|
expect(multiLineString.containsXY(0, 0)).to.be(true);
|
|
});
|
|
|
|
it('does not contain XY', function () {
|
|
expect(multiLineString.containsXY(1, 3)).to.be(false);
|
|
expect(multiLineString.containsXY(2, 11)).to.be(false);
|
|
expect(multiLineString.containsXY(-2, 3)).to.be(false);
|
|
});
|
|
});
|
|
});
|