Files
openlayers/test/browser/spec/ol/format/esrijson.test.js
2021-04-28 09:23:33 -07:00

1814 lines
45 KiB
JavaScript

import EsriJSON from '../../../../../src/ol/format/EsriJSON.js';
import Feature from '../../../../../src/ol/Feature.js';
import LineString from '../../../../../src/ol/geom/LineString.js';
import LinearRing from '../../../../../src/ol/geom/LinearRing.js';
import MultiLineString from '../../../../../src/ol/geom/MultiLineString.js';
import MultiPoint from '../../../../../src/ol/geom/MultiPoint.js';
import MultiPolygon from '../../../../../src/ol/geom/MultiPolygon.js';
import Point from '../../../../../src/ol/geom/Point.js';
import Polygon from '../../../../../src/ol/geom/Polygon.js';
import {equals} from '../../../../../src/ol/extent.js';
import {get as getProjection, transform} from '../../../../../src/ol/proj.js';
describe('ol.format.EsriJSON', function () {
let format;
beforeEach(function () {
format = new EsriJSON();
});
const pointEsriJSON = {
geometry: {
x: 102.0,
y: 0.5,
},
attributes: {
'prop0': 'value0',
},
};
const multiPointEsriJSON = {
geometry: {
'points': [
[102.0, 0.0],
[103.0, 1.0],
],
},
attributes: {
'prop0': 'value0',
},
};
const lineStringEsriJSON = {
geometry: {
paths: [
[
[102.0, 0.0],
[103.0, 1.0],
[104.0, 0.0],
[105.0, 1.0],
],
],
},
attributes: {
'prop0': 'value0',
'prop1': 0.0,
},
};
const multiLineStringEsriJSON = {
geometry: {
paths: [
[
[102.0, 0.0],
[103.0, 1.0],
[104.0, 0.0],
[105.0, 1.0],
],
[
[105.0, 3.0],
[106.0, 4.0],
[107.0, 3.0],
[108.0, 4.0],
],
],
},
attributes: {
'prop0': 'value0',
'prop1': 0.0,
},
};
const polygonEsriJSON = {
geometry: {
rings: [
[
[100.0, 0.0],
[100.0, 1.0],
[101.0, 1.0],
[101.0, 0.0],
],
],
},
attributes: {
'prop0': 'value0',
'prop1': {'this': 'that'},
},
};
const multiPolygonEsriJSON = {
geometry: {
rings: [
[
[0, 1],
[1, 4],
[4, 3],
[3, 0],
],
[
[2, 2],
[3, 2],
[3, 3],
[2, 3],
],
[
[10, 1],
[11, 5],
[14, 3],
[13, 0],
],
],
},
};
const featureCollectionEsriJSON = {
objectIdFieldName: 'prop0',
features: [pointEsriJSON, lineStringEsriJSON, polygonEsriJSON],
};
const data = {
features: [
{
attributes: {
'LINK_ID': 573730499,
'RP_TYPE': 14,
'RP_FUNC': 0,
'DIRECTION': 2,
'LOGKOD': '',
'CHANGED': '',
'USERID': '',
'ST_NAME': '',
'L_REFADDR': '',
'L_NREFADDR': '',
'R_REFADDR': '',
'R_NREFADDR': '',
'SPEED_CAT': '7',
'ZIPCODE': '59330',
'SHAPE_LEN': 46.3826,
},
geometry: {
paths: [
[
[1549497.66985, 6403707.96],
[1549491.1, 6403710.1],
[1549488.03995, 6403716.7504],
[1549488.5401, 6403724.5504],
[1549494.37985, 6403733.54],
[1549499.6799, 6403738.0504],
[1549506.22, 6403739.2504],
],
],
},
},
{
attributes: {
'LINK_ID': 30760556,
'RP_TYPE': 12,
'RP_FUNC': 1,
'DIRECTION': 0,
'LOGKOD': '',
'CHANGED': '',
'USERID': '',
'ST_NAME': 'BRUNNSGATAN',
'L_REFADDR': '24',
'L_NREFADDR': '16',
'R_REFADDR': '',
'R_NREFADDR': '',
'SPEED_CAT': '7',
'ZIPCODE': '59330',
'SHAPE_LEN': 70.3106,
},
geometry: {
paths: [
[
[1549754.2769, 6403854.8024],
[1549728.45985, 6403920.2],
],
],
},
},
],
};
describe('#readFeature', function () {
it('can read a single point feature', function () {
const feature = format.readFeature(pointEsriJSON);
expect(feature).to.be.an(Feature);
const geometry = feature.getGeometry();
expect(geometry).to.be.an(Point);
expect(geometry.getCoordinates()).to.eql([102.0, 0.5]);
expect(feature.get('prop0')).to.be('value0');
});
it('can read a single multipoint feature', function () {
const feature = format.readFeature(multiPointEsriJSON);
expect(feature).to.be.an(Feature);
const geometry = feature.getGeometry();
expect(geometry).to.be.an(MultiPoint);
expect(geometry.getCoordinates()).to.eql([
[102.0, 0.0],
[103.0, 1.0],
]);
expect(feature.get('prop0')).to.be('value0');
});
it('can read a single line string feature', function () {
const feature = format.readFeature(lineStringEsriJSON);
expect(feature).to.be.an(Feature);
const geometry = feature.getGeometry();
expect(geometry).to.be.an(LineString);
expect(geometry.getCoordinates()).to.eql([
[102.0, 0.0],
[103.0, 1.0],
[104.0, 0.0],
[105.0, 1.0],
]);
expect(feature.get('prop0')).to.be('value0');
expect(feature.get('prop1')).to.be(0.0);
});
it('can read a multi line string feature', function () {
const feature = format.readFeature(multiLineStringEsriJSON);
expect(feature).to.be.an(Feature);
const geometry = feature.getGeometry();
expect(geometry).to.be.an(MultiLineString);
expect(geometry.getCoordinates()).to.eql([
[
[102.0, 0.0],
[103.0, 1.0],
[104.0, 0.0],
[105.0, 1.0],
],
[
[105.0, 3.0],
[106.0, 4.0],
[107.0, 3.0],
[108.0, 4.0],
],
]);
expect(feature.get('prop0')).to.be('value0');
expect(feature.get('prop1')).to.be(0.0);
});
it('can read a single polygon feature', function () {
const feature = format.readFeature(polygonEsriJSON);
expect(feature).to.be.an(Feature);
const geometry = feature.getGeometry();
expect(geometry).to.be.an(Polygon);
expect(geometry.getCoordinates()).to.eql([
[
[100.0, 0.0],
[100.0, 1.0],
[101.0, 1.0],
[101.0, 0.0],
],
]);
expect(feature.get('prop0')).to.be('value0');
expect(feature.get('prop1')).to.eql({'this': 'that'});
});
it('can read a multi polygon feature', function () {
const feature = format.readFeature(multiPolygonEsriJSON);
expect(feature).to.be.an(Feature);
const geometry = feature.getGeometry();
expect(geometry).to.be.an(MultiPolygon);
expect(geometry.getCoordinates()).to.eql([
[
[
[0, 1],
[1, 4],
[4, 3],
[3, 0],
],
[
[2, 2],
[3, 2],
[3, 3],
[2, 3],
],
],
[
[
[10, 1],
[11, 5],
[14, 3],
[13, 0],
],
],
]);
});
it('can read a feature collection', function () {
const features = format.readFeatures(featureCollectionEsriJSON);
expect(features).to.have.length(3);
expect(features[0].getGeometry()).to.be.an(Point);
expect(features[1].getGeometry()).to.be.an(LineString);
expect(features[2].getGeometry()).to.be.an(Polygon);
expect(features[0].getId()).to.eql('value0');
expect(features[1].getId()).to.eql('value0');
expect(features[2].getId()).to.eql('value0');
});
it('can read and transform a point', function () {
const feature = format.readFeatures(pointEsriJSON, {
featureProjection: 'EPSG:3857',
dataProjection: 'EPSG:4326',
});
expect(feature[0].getGeometry()).to.be.an(Point);
expect(feature[0].getGeometry().getCoordinates()).to.eql(
transform([102.0, 0.5], 'EPSG:4326', 'EPSG:3857')
);
});
it('can read and transform a feature collection', function () {
const features = format.readFeatures(featureCollectionEsriJSON, {
featureProjection: 'EPSG:3857',
dataProjection: 'EPSG:4326',
});
expect(features[0].getGeometry()).to.be.an(Point);
expect(features[0].getGeometry().getCoordinates()).to.eql(
transform([102.0, 0.5], 'EPSG:4326', 'EPSG:3857')
);
expect(features[1].getGeometry().getCoordinates()).to.eql([
transform([102.0, 0.0], 'EPSG:4326', 'EPSG:3857'),
transform([103.0, 1.0], 'EPSG:4326', 'EPSG:3857'),
transform([104.0, 0.0], 'EPSG:4326', 'EPSG:3857'),
transform([105.0, 1.0], 'EPSG:4326', 'EPSG:3857'),
]);
expect(features[2].getGeometry().getCoordinates()).to.eql([
[
transform([100.0, 0.0], 'EPSG:4326', 'EPSG:3857'),
transform([100.0, 1.0], 'EPSG:4326', 'EPSG:3857'),
transform([101.0, 1.0], 'EPSG:4326', 'EPSG:3857'),
transform([101.0, 0.0], 'EPSG:4326', 'EPSG:3857'),
],
]);
});
it('can create a feature with a specific geometryName', function () {
const feature = new EsriJSON({geometryName: 'the_geom'}).readFeature(
pointEsriJSON
);
expect(feature.getGeometryName()).to.be('the_geom');
expect(feature.getGeometry()).to.be.an(Point);
});
});
describe('#readFeatures', function () {
it('parses feature collection', function () {
const str = JSON.stringify(data);
const array = format.readFeatures(str);
expect(array.length).to.be(2);
const first = array[0];
expect(first).to.be.a(Feature);
expect(first.get('LINK_ID')).to.be(573730499);
const firstGeom = first.getGeometry();
expect(firstGeom).to.be.a(LineString);
const second = array[1];
expect(second).to.be.a(Feature);
expect(second.get('ST_NAME')).to.be('BRUNNSGATAN');
const secondGeom = second.getGeometry();
expect(secondGeom).to.be.a(LineString);
});
it('parses ksfields.geojson', function (done) {
afterLoadText('spec/ol/format/esrijson/ksfields.json', function (text) {
const result = format.readFeatures(text);
expect(result.length).to.be(9);
const first = result[0];
expect(first).to.be.a(Feature);
expect(first.get('field_name')).to.be('EUDORA');
expect(first.getId()).to.be(6406);
const firstGeom = first.getGeometry();
expect(firstGeom).to.be.a(Polygon);
expect(
equals(firstGeom.getExtent(), [
-10585772.743554419,
4712365.161160459,
-10579560.16462974,
4716567.373073828,
])
).to.be(true);
const last = result[8];
expect(last).to.be.a(Feature);
expect(last.get('field_name')).to.be('FEAGINS');
expect(last.getId()).to.be(6030);
const lastGeom = last.getGeometry();
expect(lastGeom).to.be.a(Polygon);
expect(
equals(lastGeom.getExtent(), [
-10555714.026858449,
4576511.565880965,
-10553671.199322715,
4578554.9934867555,
])
).to.be(true);
done();
});
});
});
describe('#readGeometry', function () {
it('parses point', function () {
const str = JSON.stringify({
x: 10,
y: 20,
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(Point);
expect(obj.getCoordinates()).to.eql([10, 20]);
expect(obj.getLayout()).to.eql('XY');
});
it('parses XYZ point', function () {
const str = JSON.stringify({
x: 10,
y: 20,
z: 10,
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(Point);
expect(obj.getCoordinates()).to.eql([10, 20, 10]);
expect(obj.getLayout()).to.eql('XYZ');
});
it('parses XYM point', function () {
const str = JSON.stringify({
x: 10,
y: 20,
m: 10,
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(Point);
expect(obj.getCoordinates()).to.eql([10, 20, 10]);
expect(obj.getLayout()).to.eql('XYM');
});
it('parses XYZM point', function () {
const str = JSON.stringify({
x: 10,
y: 20,
z: 0,
m: 10,
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(Point);
expect(obj.getCoordinates()).to.eql([10, 20, 0, 10]);
expect(obj.getLayout()).to.eql('XYZM');
});
it('parses multipoint', function () {
const str = JSON.stringify({
points: [
[10, 20],
[20, 30],
],
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(MultiPoint);
expect(obj.getCoordinates()).to.eql([
[10, 20],
[20, 30],
]);
expect(obj.getLayout()).to.eql('XY');
});
it('parses XYZ multipoint', function () {
const str = JSON.stringify({
points: [
[10, 20, 0],
[20, 30, 0],
],
hasZ: true,
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(MultiPoint);
expect(obj.getCoordinates()).to.eql([
[10, 20, 0],
[20, 30, 0],
]);
expect(obj.getLayout()).to.eql('XYZ');
});
it('parses XYM multipoint', function () {
const str = JSON.stringify({
points: [
[10, 20, 0],
[20, 30, 0],
],
hasM: true,
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(MultiPoint);
expect(obj.getCoordinates()).to.eql([
[10, 20, 0],
[20, 30, 0],
]);
expect(obj.getLayout()).to.eql('XYM');
});
it('parses XYZM multipoint', function () {
const str = JSON.stringify({
points: [
[10, 20, 0, 1],
[20, 30, 0, 1],
],
hasZ: true,
hasM: true,
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(MultiPoint);
expect(obj.getCoordinates()).to.eql([
[10, 20, 0, 1],
[20, 30, 0, 1],
]);
expect(obj.getLayout()).to.eql('XYZM');
});
it('parses linestring', function () {
const str = JSON.stringify({
paths: [
[
[10, 20],
[30, 40],
],
],
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(LineString);
expect(obj.getCoordinates()).to.eql([
[10, 20],
[30, 40],
]);
expect(obj.getLayout()).to.eql('XY');
});
it('parses XYZ linestring', function () {
const str = JSON.stringify({
hasZ: true,
paths: [
[
[10, 20, 1534],
[30, 40, 1420],
],
],
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(LineString);
expect(obj.getLayout()).to.eql('XYZ');
expect(obj.getCoordinates()).to.eql([
[10, 20, 1534],
[30, 40, 1420],
]);
});
it('parses XYM linestring', function () {
const str = JSON.stringify({
hasM: true,
paths: [
[
[10, 20, 1534],
[30, 40, 1420],
],
],
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(LineString);
expect(obj.getLayout()).to.eql('XYM');
expect(obj.getCoordinates()).to.eql([
[10, 20, 1534],
[30, 40, 1420],
]);
});
it('parses XYZM linestring', function () {
const str = JSON.stringify({
hasZ: true,
hasM: true,
paths: [
[
[10, 20, 1534, 1],
[30, 40, 1420, 2],
],
],
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(LineString);
expect(obj.getLayout()).to.eql('XYZM');
expect(obj.getCoordinates()).to.eql([
[10, 20, 1534, 1],
[30, 40, 1420, 2],
]);
});
it('parses multilinestring', function () {
const str = JSON.stringify({
paths: [
[
[102.0, 0.0],
[103.0, 1.0],
[104.0, 0.0],
[105.0, 1.0],
],
[
[105.0, 3.0],
[106.0, 4.0],
[107.0, 3.0],
[108.0, 4.0],
],
],
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(MultiLineString);
expect(obj.getCoordinates()).to.eql([
[
[102.0, 0.0],
[103.0, 1.0],
[104.0, 0.0],
[105.0, 1.0],
],
[
[105.0, 3.0],
[106.0, 4.0],
[107.0, 3.0],
[108.0, 4.0],
],
]);
expect(obj.getLayout()).to.eql('XY');
});
it('parses XYZ multilinestring', function () {
const str = JSON.stringify({
hasZ: true,
paths: [
[
[102.0, 0.0, 1],
[103.0, 1.0, 1],
[104.0, 0.0, 1],
[105.0, 1.0, 1],
],
[
[105.0, 3.0, 1],
[106.0, 4.0, 1],
[107.0, 3.0, 1],
[108.0, 4.0, 1],
],
],
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(MultiLineString);
expect(obj.getCoordinates()).to.eql([
[
[102.0, 0.0, 1],
[103.0, 1.0, 1],
[104.0, 0.0, 1],
[105.0, 1.0, 1],
],
[
[105.0, 3.0, 1],
[106.0, 4.0, 1],
[107.0, 3.0, 1],
[108.0, 4.0, 1],
],
]);
expect(obj.getLayout()).to.eql('XYZ');
});
it('parses XYM multilinestring', function () {
const str = JSON.stringify({
hasM: true,
paths: [
[
[102.0, 0.0, 1],
[103.0, 1.0, 1],
[104.0, 0.0, 1],
[105.0, 1.0, 1],
],
[
[105.0, 3.0, 1],
[106.0, 4.0, 1],
[107.0, 3.0, 1],
[108.0, 4.0, 1],
],
],
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(MultiLineString);
expect(obj.getCoordinates()).to.eql([
[
[102.0, 0.0, 1],
[103.0, 1.0, 1],
[104.0, 0.0, 1],
[105.0, 1.0, 1],
],
[
[105.0, 3.0, 1],
[106.0, 4.0, 1],
[107.0, 3.0, 1],
[108.0, 4.0, 1],
],
]);
expect(obj.getLayout()).to.eql('XYM');
});
it('parses XYZM multilinestring', function () {
const str = JSON.stringify({
hasM: true,
hasZ: true,
paths: [
[
[102, 0, 1, 2],
[103, 1, 1, 2],
[104, 0, 1, 2],
[105, 1, 1, 2],
],
[
[105, 3, 1, 2],
[106, 4, 1, 2],
[107, 3, 1, 2],
[108, 4, 1, 2],
],
],
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(MultiLineString);
expect(obj.getCoordinates()).to.eql([
[
[102, 0, 1, 2],
[103, 1, 1, 2],
[104, 0, 1, 2],
[105, 1, 1, 2],
],
[
[105, 3, 1, 2],
[106, 4, 1, 2],
[107, 3, 1, 2],
[108, 4, 1, 2],
],
]);
expect(obj.getLayout()).to.eql('XYZM');
});
it('parses polygon', function () {
const outer = [
[0, 0],
[0, 10],
[10, 10],
[10, 0],
[0, 0],
];
const inner1 = [
[1, 1],
[2, 1],
[2, 2],
[1, 2],
[1, 1],
];
const inner2 = [
[8, 8],
[9, 8],
[9, 9],
[8, 9],
[8, 8],
];
const str = JSON.stringify({
rings: [outer, inner1, inner2],
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(Polygon);
expect(obj.getLayout()).to.eql('XY');
const rings = obj.getLinearRings();
expect(rings.length).to.be(3);
expect(rings[0].getCoordinates()[0].length).to.equal(2);
expect(rings[0]).to.be.a(LinearRing);
expect(rings[1]).to.be.a(LinearRing);
expect(rings[2]).to.be.a(LinearRing);
});
it('parses XYZ polygon', function () {
const outer = [
[0, 0, 5],
[0, 10, 5],
[10, 10, 5],
[10, 0, 5],
[0, 0, 5],
];
const inner1 = [
[1, 1, 3],
[2, 1, 3],
[2, 2, 3],
[1, 2, 3],
[1, 1, 3],
];
const inner2 = [
[8, 8, 2],
[9, 8, 2],
[9, 9, 2],
[8, 9, 2],
[8, 8, 2],
];
const str = JSON.stringify({
rings: [outer, inner1, inner2],
hasZ: true,
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(Polygon);
expect(obj.getLayout()).to.eql('XYZ');
const rings = obj.getLinearRings();
expect(rings.length).to.be(3);
expect(rings[0].getCoordinates()[0].length).to.equal(3);
expect(rings[0]).to.be.a(LinearRing);
expect(rings[1]).to.be.a(LinearRing);
expect(rings[2]).to.be.a(LinearRing);
});
it('parses XYM polygon', function () {
const outer = [
[0, 0, 5],
[0, 10, 5],
[10, 10, 5],
[10, 0, 5],
[0, 0, 5],
];
const inner1 = [
[1, 1, 3],
[2, 1, 3],
[2, 2, 3],
[1, 2, 3],
[1, 1, 3],
];
const inner2 = [
[8, 8, 2],
[9, 8, 2],
[9, 9, 2],
[8, 9, 2],
[8, 8, 2],
];
const str = JSON.stringify({
rings: [outer, inner1, inner2],
hasM: true,
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(Polygon);
expect(obj.getLayout()).to.eql('XYM');
const rings = obj.getLinearRings();
expect(rings.length).to.be(3);
expect(rings[0].getCoordinates()[0].length).to.equal(3);
expect(rings[0]).to.be.a(LinearRing);
expect(rings[1]).to.be.a(LinearRing);
expect(rings[2]).to.be.a(LinearRing);
});
it('parses XYZM polygon', function () {
const outer = [
[0, 0, 5, 1],
[0, 10, 5, 1],
[10, 10, 5, 1],
[10, 0, 5, 1],
[0, 0, 5, 1],
];
const inner1 = [
[1, 1, 3, 2],
[2, 1, 3, 2],
[2, 2, 3, 2],
[1, 2, 3, 2],
[1, 1, 3, 2],
];
const inner2 = [
[8, 8, 2, 1],
[9, 8, 2, 1],
[9, 9, 2, 1],
[8, 9, 2, 1],
[8, 8, 2, 1],
];
const str = JSON.stringify({
rings: [outer, inner1, inner2],
hasZ: true,
hasM: true,
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(Polygon);
expect(obj.getLayout()).to.eql('XYZM');
const rings = obj.getLinearRings();
expect(rings.length).to.be(3);
expect(rings[0].getCoordinates()[0].length).to.equal(4);
expect(rings[0]).to.be.a(LinearRing);
expect(rings[1]).to.be.a(LinearRing);
expect(rings[2]).to.be.a(LinearRing);
});
it('parses XY multipolygon', function () {
const str = JSON.stringify({
rings: [
[
[0, 1],
[1, 4],
[4, 3],
[3, 0],
],
[
[2, 2],
[3, 2],
[3, 3],
[2, 3],
],
[
[10, 1],
[11, 5],
[14, 3],
[13, 0],
],
],
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(MultiPolygon);
expect(obj.getLayout()).to.eql('XY');
expect(obj.getCoordinates()).to.eql([
[
[
[0, 1],
[1, 4],
[4, 3],
[3, 0],
],
[
[2, 2],
[3, 2],
[3, 3],
[2, 3],
],
],
[
[
[10, 1],
[11, 5],
[14, 3],
[13, 0],
],
],
]);
});
it('parses XYZ multipolygon', function () {
const str = JSON.stringify({
rings: [
[
[0, 1, 0],
[1, 4, 0],
[4, 3, 0],
[3, 0, 0],
],
[
[2, 2, 0],
[3, 2, 0],
[3, 3, 0],
[2, 3, 0],
],
[
[10, 1, 0],
[11, 5, 0],
[14, 3, 0],
[13, 0, 0],
],
],
hasZ: true,
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(MultiPolygon);
expect(obj.getLayout()).to.eql('XYZ');
expect(obj.getCoordinates()).to.eql([
[
[
[0, 1, 0],
[1, 4, 0],
[4, 3, 0],
[3, 0, 0],
],
[
[2, 2, 0],
[3, 2, 0],
[3, 3, 0],
[2, 3, 0],
],
],
[
[
[10, 1, 0],
[11, 5, 0],
[14, 3, 0],
[13, 0, 0],
],
],
]);
});
it('parses XYM multipolygon', function () {
const str = JSON.stringify({
rings: [
[
[0, 1, 0],
[1, 4, 0],
[4, 3, 0],
[3, 0, 0],
],
[
[2, 2, 0],
[3, 2, 0],
[3, 3, 0],
[2, 3, 0],
],
[
[10, 1, 0],
[11, 5, 0],
[14, 3, 0],
[13, 0, 0],
],
],
hasM: true,
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(MultiPolygon);
expect(obj.getLayout()).to.eql('XYM');
expect(obj.getCoordinates()).to.eql([
[
[
[0, 1, 0],
[1, 4, 0],
[4, 3, 0],
[3, 0, 0],
],
[
[2, 2, 0],
[3, 2, 0],
[3, 3, 0],
[2, 3, 0],
],
],
[
[
[10, 1, 0],
[11, 5, 0],
[14, 3, 0],
[13, 0, 0],
],
],
]);
});
it('parses XYZM multipolygon', function () {
const str = JSON.stringify({
rings: [
[
[0, 1, 0, 1],
[1, 4, 0, 1],
[4, 3, 0, 1],
[3, 0, 0, 1],
],
[
[2, 2, 0, 1],
[3, 2, 0, 1],
[3, 3, 0, 1],
[2, 3, 0, 1],
],
[
[10, 1, 0, 1],
[11, 5, 0, 1],
[14, 3, 0, 1],
[13, 0, 0, 1],
],
],
hasZ: true,
hasM: true,
});
const obj = format.readGeometry(str);
expect(obj).to.be.a(MultiPolygon);
expect(obj.getLayout()).to.eql('XYZM');
expect(obj.getCoordinates()).to.eql([
[
[
[0, 1, 0, 1],
[1, 4, 0, 1],
[4, 3, 0, 1],
[3, 0, 0, 1],
],
[
[2, 2, 0, 1],
[3, 2, 0, 1],
[3, 3, 0, 1],
[2, 3, 0, 1],
],
],
[
[
[10, 1, 0, 1],
[11, 5, 0, 1],
[14, 3, 0, 1],
[13, 0, 0, 1],
],
],
]);
});
it('should not mutate input', function () {
const input = {
rings: [
[
[0, 1, 0, 1],
[1, 4, 0, 1],
[4, 3, 0, 1],
[3, 0, 0, 1],
],
[
[2, 2, 0, 1],
[3, 2, 0, 1],
[3, 3, 0, 1],
[2, 3, 0, 1],
],
[
[10, 1, 0, 1],
[11, 5, 0, 1],
[14, 3, 0, 1],
[13, 0, 0, 1],
],
],
hasZ: true,
hasM: true,
};
const str = JSON.stringify(input);
const obj = format.readGeometry(input);
expect(obj).to.be.a(MultiPolygon);
expect(str).to.eql(JSON.stringify(input));
});
});
describe('#readProjection', function () {
it('reads named crs from top-level object', function () {
const json = {
spatialReference: {
wkid: 3857,
},
features: [
{
attributes: {
foo: 'bar',
},
geometry: {
x: 1,
y: 2,
},
},
{
attributes: {
bam: 'baz',
},
geometry: {
paths: [
[
[1, 2],
[3, 4],
],
],
},
},
],
};
const features = format.readFeatures(json);
expect(features.length).to.be(2);
const first = features[0];
expect(first).to.be.a(Feature);
expect(first.get('foo')).to.be('bar');
expect(first.getGeometry()).to.be.a(Point);
const second = features[1];
expect(second).to.be.a(Feature);
expect(second.get('bam')).to.be('baz');
expect(second.getGeometry()).to.be.a(LineString);
expect(format.readProjection(json)).to.be(getProjection('EPSG:3857'));
});
});
describe('#writeGeometry', function () {
it('encodes point', function () {
const point = new Point([10, 20]);
const esrijson = format.writeGeometry(point);
expect(point.getCoordinates()).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes XYZ point', function () {
const point = new Point([10, 20, 0], 'XYZ');
const esrijson = format.writeGeometry(point);
expect(point.getCoordinates()).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes XYM point', function () {
const point = new Point([10, 20, 0], 'XYM');
const esrijson = format.writeGeometry(point);
expect(point.getCoordinates()).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes XYZM point', function () {
const point = new Point([10, 20, 5, 0], 'XYZM');
const esrijson = format.writeGeometry(point);
expect(point.getCoordinates()).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes linestring', function () {
const linestring = new LineString([
[10, 20],
[30, 40],
]);
const esrijson = format.writeGeometry(linestring);
expect(linestring.getCoordinates()).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes XYZ linestring', function () {
const linestring = new LineString(
[
[10, 20, 1534],
[30, 40, 1420],
],
'XYZ'
);
const esrijson = format.writeGeometry(linestring);
expect(linestring.getCoordinates()).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes XYM linestring', function () {
const linestring = new LineString(
[
[10, 20, 1534],
[30, 40, 1420],
],
'XYM'
);
const esrijson = format.writeGeometry(linestring);
expect(linestring.getCoordinates()).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes XYZM linestring', function () {
const linestring = new LineString(
[
[10, 20, 1534, 1],
[30, 40, 1420, 1],
],
'XYZM'
);
const esrijson = format.writeGeometry(linestring);
expect(linestring.getCoordinates()).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes polygon', function () {
const outer = [
[0, 0],
[10, 0],
[10, 10],
[0, 10],
[0, 0],
];
const inner1 = [
[1, 1],
[2, 1],
[2, 2],
[1, 2],
[1, 1],
];
const inner2 = [
[8, 8],
[9, 8],
[9, 9],
[8, 9],
[8, 8],
];
const polygon = new Polygon([outer, inner1, inner2]);
const esrijson = format.writeGeometry(polygon);
expect(polygon.getCoordinates(false)).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes XYZ polygon', function () {
const outer = [
[0, 0, 5],
[0, 10, 5],
[10, 10, 5],
[10, 0, 5],
[0, 0, 5],
];
const inner1 = [
[1, 1, 3],
[2, 1, 3],
[2, 2, 3],
[1, 2, 3],
[1, 1, 3],
];
const inner2 = [
[8, 8, 2],
[9, 8, 2],
[9, 9, 2],
[8, 9, 2],
[8, 8, 2],
];
const polygon = new Polygon([outer, inner1, inner2], 'XYZ');
const esrijson = format.writeGeometry(polygon);
expect(polygon.getCoordinates(false)).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes XYM polygon', function () {
const outer = [
[0, 0, 5],
[0, 10, 5],
[10, 10, 5],
[10, 0, 5],
[0, 0, 5],
];
const inner1 = [
[1, 1, 3],
[2, 1, 3],
[2, 2, 3],
[1, 2, 3],
[1, 1, 3],
];
const inner2 = [
[8, 8, 2],
[9, 8, 2],
[9, 9, 2],
[8, 9, 2],
[8, 8, 2],
];
const polygon = new Polygon([outer, inner1, inner2], 'XYM');
const esrijson = format.writeGeometry(polygon);
expect(polygon.getCoordinates(false)).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes XYZM polygon', function () {
const outer = [
[0, 0, 5, 1],
[0, 10, 5, 2],
[10, 10, 5, 1],
[10, 0, 5, 1],
[0, 0, 5, 1],
];
const inner1 = [
[1, 1, 3, 1],
[2, 1, 3, 2],
[2, 2, 3, 1],
[1, 2, 3, 1],
[1, 1, 3, 1],
];
const inner2 = [
[8, 8, 2, 1],
[9, 8, 2, 2],
[9, 9, 2, 1],
[8, 9, 2, 1],
[8, 8, 2, 1],
];
const polygon = new Polygon([outer, inner1, inner2], 'XYZM');
const esrijson = format.writeGeometry(polygon);
expect(polygon.getCoordinates(false)).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes multipoint', function () {
const multipoint = new MultiPoint([
[102.0, 0.0],
[103.0, 1.0],
]);
const esrijson = format.writeGeometry(multipoint);
expect(multipoint.getCoordinates()).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes XYZ multipoint', function () {
const multipoint = new MultiPoint(
[
[102.0, 0.0, 3],
[103.0, 1.0, 4],
],
'XYZ'
);
const esrijson = format.writeGeometry(multipoint);
expect(multipoint.getCoordinates()).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes XYM multipoint', function () {
const multipoint = new MultiPoint(
[
[102.0, 0.0, 3],
[103.0, 1.0, 4],
],
'XYM'
);
const esrijson = format.writeGeometry(multipoint);
expect(multipoint.getCoordinates()).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes XYZM multipoint', function () {
const multipoint = new MultiPoint(
[
[102.0, 0.0, 3, 1],
[103.0, 1.0, 4, 1],
],
'XYZM'
);
const esrijson = format.writeGeometry(multipoint);
expect(multipoint.getCoordinates()).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes multilinestring', function () {
const multilinestring = new MultiLineString([
[
[102.0, 0.0],
[103.0, 1.0],
[104.0, 0.0],
[105.0, 1.0],
],
[
[105.0, 3.0],
[106.0, 4.0],
[107.0, 3.0],
[108.0, 4.0],
],
]);
const esrijson = format.writeGeometry(multilinestring);
expect(multilinestring.getCoordinates()).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes XYZ multilinestring', function () {
const multilinestring = new MultiLineString(
[
[
[102.0, 0.0, 1],
[103.0, 1.0, 2],
[104.0, 0.0, 3],
[105.0, 1.0, 4],
],
[
[105.0, 3.0, 1],
[106.0, 4.0, 2],
[107.0, 3.0, 3],
[108.0, 4.0, 4],
],
],
'XYZ'
);
const esrijson = format.writeGeometry(multilinestring);
expect(multilinestring.getCoordinates()).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes XYM multilinestring', function () {
const multilinestring = new MultiLineString(
[
[
[102.0, 0.0, 1],
[103.0, 1.0, 2],
[104.0, 0.0, 3],
[105.0, 1.0, 4],
],
[
[105.0, 3.0, 1],
[106.0, 4.0, 2],
[107.0, 3.0, 3],
[108.0, 4.0, 4],
],
],
'XYM'
);
const esrijson = format.writeGeometry(multilinestring);
expect(multilinestring.getCoordinates()).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes XYZM multilinestring', function () {
const multilinestring = new MultiLineString(
[
[
[102.0, 0.0, 1, 0],
[103.0, 1.0, 2, 2],
[104.0, 0.0, 3, 1],
[105.0, 1.0, 4, 2],
],
[
[105.0, 3.0, 1, 0],
[106.0, 4.0, 2, 1],
[107.0, 3.0, 3, 1],
[108.0, 4.0, 4, 2],
],
],
'XYZM'
);
const esrijson = format.writeGeometry(multilinestring);
expect(multilinestring.getCoordinates()).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes multipolygon', function () {
const multipolygon = new MultiPolygon([
[
[
[0, 1],
[1, 4],
[4, 3],
[3, 0],
],
[
[2, 2],
[3, 2],
[3, 3],
[2, 3],
],
],
[
[
[10, 1],
[11, 5],
[14, 3],
[13, 0],
],
],
]);
const esrijson = format.writeGeometry(multipolygon);
expect(multipolygon.getCoordinates()).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes XYZ multipolygon', function () {
const multipolygon = new MultiPolygon(
[
[
[
[0, 1, 0],
[1, 4, 0],
[4, 3, 0],
[3, 0, 0],
],
[
[2, 2, 0],
[3, 2, 0],
[3, 3, 0],
[2, 3, 0],
],
],
[
[
[10, 1, 0],
[11, 5, 0],
[14, 3, 0],
[13, 0, 0],
],
],
],
'XYZ'
);
const esrijson = format.writeGeometry(multipolygon);
expect(multipolygon.getCoordinates()).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes XYM multipolygon', function () {
const multipolygon = new MultiPolygon(
[
[
[
[0, 1, 0],
[1, 4, 0],
[4, 3, 0],
[3, 0, 0],
],
[
[2, 2, 0],
[3, 2, 0],
[3, 3, 0],
[2, 3, 0],
],
],
[
[
[10, 1, 0],
[11, 5, 0],
[14, 3, 0],
[13, 0, 0],
],
],
],
'XYM'
);
const esrijson = format.writeGeometry(multipolygon);
expect(multipolygon.getCoordinates()).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('encodes XYZM multipolygon', function () {
const multipolygon = new MultiPolygon(
[
[
[
[0, 1, 0, 1],
[1, 4, 0, 1],
[4, 3, 0, 3],
[3, 0, 0, 3],
],
[
[2, 2, 0, 3],
[3, 2, 0, 4],
[3, 3, 0, 1],
[2, 3, 0, 1],
],
],
[
[
[10, 1, 0, 1],
[11, 5, 0, 2],
[14, 3, 0, 3],
[13, 0, 0, 3],
],
],
],
'XYZM'
);
const esrijson = format.writeGeometry(multipolygon);
expect(multipolygon.getCoordinates()).to.eql(
format.readGeometry(esrijson).getCoordinates()
);
});
it('transforms and encodes a point', function () {
const point = new Point([2, 3]);
const esrijson = format.writeGeometry(point, {
dataProjection: 'EPSG:4326',
featureProjection: 'EPSG:3857',
});
const newPoint = format.readGeometry(esrijson, {
dataProjection: 'EPSG:4326',
featureProjection: 'EPSG:3857',
});
expect(point.getCoordinates()[0]).to.roughlyEqual(
newPoint.getCoordinates()[0],
1e-8
);
expect(
Math.abs(point.getCoordinates()[1] - newPoint.getCoordinates()[1])
).to.be.lessThan(0.0000001);
});
});
describe('#writeFeatures', function () {
it('encodes feature collection', function () {
const str = JSON.stringify(data);
const array = format.readFeatures(str);
const esrijson = format.writeFeaturesObject(array);
const result = format.readFeatures(esrijson);
expect(array.length).to.equal(result.length);
let got, exp, gotProp, expProp;
for (let i = 0, ii = array.length; i < ii; ++i) {
got = array[i];
exp = result[i];
expect(got.getGeometry().getCoordinates()).to.eql(
exp.getGeometry().getCoordinates()
);
gotProp = got.getProperties();
delete gotProp.geometry;
expProp = exp.getProperties();
delete expProp.geometry;
expect(gotProp).to.eql(expProp);
}
});
it('transforms and encodes feature collection', function () {
const str = JSON.stringify(data);
const array = format.readFeatures(str);
const esrijson = format.writeFeatures(array, {
featureProjection: 'EPSG:3857',
dataProjection: 'EPSG:4326',
});
const result = format.readFeatures(esrijson);
let got, exp;
for (let i = 0, ii = array.length; i < ii; ++i) {
got = array[i];
exp = result[i];
expect(
got.getGeometry().transform('EPSG:3857', 'EPSG:4326').getCoordinates()
).to.eql(exp.getGeometry().getCoordinates());
}
});
it('writes out a feature with a different geometryName correctly', function () {
const feature = new Feature({'foo': 'bar'});
feature.setGeometryName('mygeom');
feature.setGeometry(new Point([5, 10]));
const esrijson = format.writeFeaturesObject([feature]);
expect(esrijson.features[0].attributes.mygeom).to.eql(undefined);
});
it('writes out a feature without properties correctly', function () {
const feature = new Feature(new Point([5, 10]));
const esrijson = format.writeFeatureObject(feature);
expect(esrijson.attributes).to.eql({});
});
it('adds the projection inside the geometry correctly when featureProjection is set', function () {
const str = JSON.stringify(data);
const array = format.readFeatures(str);
const esrijson = format.writeFeaturesObject(array, {
featureProjection: 'EPSG:3857',
});
esrijson.features.forEach(function (feature, i) {
const spatialReference = feature.geometry.spatialReference;
expect(Number(spatialReference.wkid)).to.equal(3857);
expect(feature.geometry.paths[0]).to.eql(
array[i].getGeometry().getCoordinates()
);
});
});
it('adds the projection inside the geometry correctly when dataProjection is set', function () {
const str = JSON.stringify(data);
const array = format.readFeatures(str);
const esrijson = format.writeFeaturesObject(array, {
dataProjection: 'EPSG:4326',
featureProjection: 'EPSG:3857',
});
esrijson.features.forEach(function (feature, i) {
const spatialReference = feature.geometry.spatialReference;
expect(Number(spatialReference.wkid)).to.equal(4326);
expect(feature.geometry.paths[0]).to.eql(
array[i]
.getGeometry()
.clone()
.transform('EPSG:3857', 'EPSG:4326')
.getCoordinates()
);
});
});
it('does not add the projection inside the geometry when neither featurProjection nor dataProjection are set', function () {
const str = JSON.stringify(data);
const array = format.readFeatures(str);
const esrijson = format.writeFeaturesObject(array);
esrijson.features.forEach(function (feature, i) {
expect(feature.geometry.spatialReference).to.be(undefined);
expect(feature.geometry.paths[0]).to.eql(
array[i].getGeometry().getCoordinates()
);
});
});
});
});