Esri JSON read support
This commit is contained in:
Bart van den Eijnden
512
test/spec/ol/format/esrijsonformat.test.js
Normal file
512
test/spec/ol/format/esrijsonformat.test.js
Normal file
@@ -0,0 +1,512 @@
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goog.provide('ol.test.reader.EsriJSON');
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describe('ol.format.EsriJSON', function() {
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var format;
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beforeEach(function() {
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format = new ol.format.EsriJSON();
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});
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var pointEsriJSON = {
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'geometry': {
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'x': 102.0,
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'y': 0.5
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},
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'attributes': {
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'prop0': 'value0'
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}
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};
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var multiPointEsriJSON = {
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'geometry': {
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'points' : [[102.0, 0.0], [103.0, 1.0]]
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},
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'attributes': {
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'prop0': 'value0'
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}
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};
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var lineStringEsriJSON = {
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'geometry': {
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'paths': [[
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[102.0, 0.0], [103.0, 1.0], [104.0, 0.0], [105.0, 1.0]
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]]
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},
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'attributes': {
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'prop0': 'value0',
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'prop1': 0.0
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}
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};
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var multiLineStringEsriJSON = {
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'geometry': {
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'paths': [[
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[102.0, 0.0], [103.0, 1.0], [104.0, 0.0], [105.0, 1.0]
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], [
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[105.0, 3.0], [106.0, 4.0], [107.0, 3.0], [108.0, 4.0]
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]]
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},
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'attributes': {
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'prop0': 'value0',
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'prop1': 0.0
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}
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};
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var polygonEsriJSON = {
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'geometry': {
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'rings': [[
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[100.0, 0.0], [100.0, 1.0], [101.0, 1.0], [101.0, 0.0]
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]]
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},
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'attributes': {
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'prop0': 'value0',
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'prop1': {'this': 'that'}
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}
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};
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var multiPolygonEsriJSON = {
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'geometry': {
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'rings': [
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[
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[0, 1],
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[1, 4],
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[4, 3],
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[3, 0]
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], [
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[2, 2],
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[3, 2],
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[3, 3],
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[2, 3]
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], [
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[10, 1],
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[11, 5],
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[14, 3],
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[13, 0]
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]
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]
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}
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};
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var featureCollectionEsriJSON = {
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'features': [pointEsriJSON, lineStringEsriJSON, polygonEsriJSON]
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};
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var data = {
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'features': [
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{
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'attributes': {
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'LINK_ID': 573730499,
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'RP_TYPE': 14,
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'RP_FUNC': 0,
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'DIRECTION': 2,
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'LOGKOD': '',
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'CHANGED': '',
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'USERID': '',
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'ST_NAME': '',
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'L_REFADDR': '',
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'L_NREFADDR': '',
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'R_REFADDR': '',
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'R_NREFADDR': '',
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'SPEED_CAT': '7',
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'ZIPCODE': '59330',
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'SHAPE_LEN': 46.3826
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},
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'geometry': {
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'paths': [[
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[1549497.66985, 6403707.96],
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[1549491.1, 6403710.1],
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[1549488.03995, 6403716.7504],
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[1549488.5401, 6403724.5504],
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[1549494.37985, 6403733.54],
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[1549499.6799, 6403738.0504],
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[1549506.22, 6403739.2504]
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]]
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}
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}, {
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'attributes': {
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'LINK_ID': 30760556,
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'RP_TYPE': 12,
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'RP_FUNC': 1,
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'DIRECTION': 0,
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'LOGKOD': '',
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'CHANGED': '',
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'USERID': '',
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'ST_NAME': 'BRUNNSGATAN',
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'L_REFADDR': '24',
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'L_NREFADDR': '16',
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'R_REFADDR': '',
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'R_NREFADDR': '',
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'SPEED_CAT': '7',
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'ZIPCODE': '59330',
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'SHAPE_LEN': 70.3106
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},
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'geometry': {
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'paths': [[
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[1549754.2769, 6403854.8024],
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[1549728.45985, 6403920.2]
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]]
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}
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}
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]
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};
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describe('#readFeature', function() {
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it('can read a single point feature', function() {
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var feature = format.readFeature(pointEsriJSON);
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expect(feature).to.be.an(ol.Feature);
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var geometry = feature.getGeometry();
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expect(geometry).to.be.an(ol.geom.Point);
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expect(geometry.getCoordinates()).to.eql([102.0, 0.5]);
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expect(feature.get('prop0')).to.be('value0');
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});
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it('can read a single multipoint feature', function() {
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var feature = format.readFeature(multiPointEsriJSON);
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expect(feature).to.be.an(ol.Feature);
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var geometry = feature.getGeometry();
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expect(geometry).to.be.an(ol.geom.MultiPoint);
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expect(geometry.getCoordinates()).to.eql([[102.0, 0.0] , [103.0, 1.0]]);
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expect(feature.get('prop0')).to.be('value0');
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});
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it('can read a single line string feature', function() {
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var feature = format.readFeature(lineStringEsriJSON);
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expect(feature).to.be.an(ol.Feature);
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var geometry = feature.getGeometry();
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expect(geometry).to.be.an(ol.geom.LineString);
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expect(geometry.getCoordinates()).to.eql(
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[[102.0, 0.0], [103.0, 1.0], [104.0, 0.0], [105.0, 1.0]]);
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expect(feature.get('prop0')).to.be('value0');
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expect(feature.get('prop1')).to.be(0.0);
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});
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it('can read a multi line string feature', function() {
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var feature = format.readFeature(multiLineStringEsriJSON);
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expect(feature).to.be.an(ol.Feature);
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var geometry = feature.getGeometry();
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expect(geometry).to.be.an(ol.geom.MultiLineString);
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expect(geometry.getCoordinates()).to.eql([
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[[102.0, 0.0], [103.0, 1.0], [104.0, 0.0], [105.0, 1.0]],
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[[105.0, 3.0], [106.0, 4.0], [107.0, 3.0], [108.0, 4.0]]
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]);
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expect(feature.get('prop0')).to.be('value0');
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expect(feature.get('prop1')).to.be(0.0);
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});
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it('can read a single polygon feature', function() {
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var feature = format.readFeature(polygonEsriJSON);
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expect(feature).to.be.an(ol.Feature);
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var geometry = feature.getGeometry();
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expect(geometry).to.be.an(ol.geom.Polygon);
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expect(geometry.getCoordinates()).to.eql([[
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[100.0, 0.0], [100.0, 1.0], [101.0, 1.0], [101.0, 0.0]
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]]);
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expect(feature.get('prop0')).to.be('value0');
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expect(feature.get('prop1')).to.eql({'this': 'that'});
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});
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it('can read a multi polygon feature', function() {
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var feature = format.readFeature(multiPolygonEsriJSON);
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expect(feature).to.be.an(ol.Feature);
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var geometry = feature.getGeometry();
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expect(geometry).to.be.an(ol.geom.MultiPolygon);
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expect(geometry.getCoordinates()).to.eql([
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[[[0, 1], [1, 4], [4, 3], [3, 0]], [[2, 2], [3, 2], [3, 3], [2, 3]]],
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[[[10, 1], [11, 5], [14, 3], [13, 0]]]
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]);
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});
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it('can read a feature collection', function() {
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var features = format.readFeatures(featureCollectionEsriJSON);
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expect(features).to.have.length(3);
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expect(features[0].getGeometry()).to.be.an(ol.geom.Point);
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expect(features[1].getGeometry()).to.be.an(ol.geom.LineString);
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expect(features[2].getGeometry()).to.be.an(ol.geom.Polygon);
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});
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it('can read and transform a point', function() {
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var feature = format.readFeatures(pointEsriJSON, {
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featureProjection: 'EPSG:3857',
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dataProjection: 'EPSG:4326'
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});
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expect(feature[0].getGeometry()).to.be.an(ol.geom.Point);
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expect(feature[0].getGeometry().getCoordinates()).to.eql(
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ol.proj.transform([102.0, 0.5], 'EPSG:4326', 'EPSG:3857'));
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});
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it('can read and transform a feature collection', function() {
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var features = format.readFeatures(featureCollectionEsriJSON, {
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featureProjection: 'EPSG:3857',
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dataProjection: 'EPSG:4326'
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});
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expect(features[0].getGeometry()).to.be.an(ol.geom.Point);
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expect(features[0].getGeometry().getCoordinates()).to.eql(
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ol.proj.transform([102.0, 0.5], 'EPSG:4326', 'EPSG:3857'));
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expect(features[1].getGeometry().getCoordinates()).to.eql([
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ol.proj.transform([102.0, 0.0], 'EPSG:4326', 'EPSG:3857'),
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ol.proj.transform([103.0, 1.0], 'EPSG:4326', 'EPSG:3857'),
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ol.proj.transform([104.0, 0.0], 'EPSG:4326', 'EPSG:3857'),
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ol.proj.transform([105.0, 1.0], 'EPSG:4326', 'EPSG:3857')
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]);
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expect(features[2].getGeometry().getCoordinates()).to.eql([[
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ol.proj.transform([100.0, 0.0], 'EPSG:4326', 'EPSG:3857'),
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ol.proj.transform([100.0, 1.0], 'EPSG:4326', 'EPSG:3857'),
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ol.proj.transform([101.0, 1.0], 'EPSG:4326', 'EPSG:3857'),
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ol.proj.transform([101.0, 0.0], 'EPSG:4326', 'EPSG:3857')
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]]);
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});
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it('can create a feature with a specific geometryName', function() {
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var feature = new ol.format.EsriJSON({geometryName: 'the_geom'}).
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readFeature(pointEsriJSON);
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expect(feature.getGeometryName()).to.be('the_geom');
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expect(feature.getGeometry()).to.be.an(ol.geom.Point);
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});
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});
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describe('#readFeatures', function() {
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it('parses feature collection', function() {
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var str = JSON.stringify(data),
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array = format.readFeatures(str);
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expect(array.length).to.be(2);
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var first = array[0];
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expect(first).to.be.a(ol.Feature);
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expect(first.get('LINK_ID')).to.be(573730499);
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var firstGeom = first.getGeometry();
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expect(firstGeom).to.be.a(ol.geom.LineString);
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var second = array[1];
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expect(second).to.be.a(ol.Feature);
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expect(second.get('ST_NAME')).to.be('BRUNNSGATAN');
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var secondGeom = second.getGeometry();
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expect(secondGeom).to.be.a(ol.geom.LineString);
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});
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it('parses ksfields.geojson', function(done) {
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afterLoadText('spec/ol/format/esrijson/ksfields.json', function(text) {
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var result = format.readFeatures(text);
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expect(result.length).to.be(306);
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var first = result[0];
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expect(first).to.be.a(ol.Feature);
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expect(first.get('field_name')).to.be('EUDORA');
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expect(first.getId()).to.be(6406);
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var firstGeom = first.getGeometry();
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expect(firstGeom).to.be.a(ol.geom.Polygon);
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expect(ol.extent.equals(firstGeom.getExtent(),
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[-10585772.743554419, 4712365.161160459,
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-10579560.16462974, 4716567.373073828]))
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.to.be(true);
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var last = result[305];
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expect(last).to.be.a(ol.Feature);
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expect(last.get('field_name')).to.be('PAOLA-RANTOUL');
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expect(last.getId()).to.be(223);
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var lastGeom = last.getGeometry();
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expect(lastGeom).to.be.a(ol.geom.Polygon);
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expect(ol.extent.equals(lastGeom.getExtent(),
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[-10596945.530910717, 4634530.860533288,
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-10538217.991305258, 4691558.678837225]))
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.to.be(true);
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done();
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});
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});
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});
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describe('#readGeometry', function() {
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it('parses point', function() {
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var str = JSON.stringify({
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x: 10,
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y: 20
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});
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var obj = format.readGeometry(str);
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expect(obj).to.be.a(ol.geom.Point);
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expect(obj.getCoordinates()).to.eql([10, 20]);
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expect(obj.getLayout()).to.eql(ol.geom.GeometryLayout.XY);
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});
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it('parses XYZ point', function() {
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var str = JSON.stringify({
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x: 10,
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y: 20,
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z: 10
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});
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var obj = format.readGeometry(str);
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expect(obj).to.be.a(ol.geom.Point);
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expect(obj.getCoordinates()).to.eql([10, 20, 10]);
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expect(obj.getLayout()).to.eql(ol.geom.GeometryLayout.XYZ);
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});
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it('parses multipoint', function() {
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var str = JSON.stringify({
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points: [[10, 20], [20, 30]]
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});
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var obj = format.readGeometry(str);
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expect(obj).to.be.a(ol.geom.MultiPoint);
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expect(obj.getCoordinates()).to.eql([[10, 20], [20, 30]]);
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expect(obj.getLayout()).to.eql(ol.geom.GeometryLayout.XY);
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});
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it('parses XYZ multipoint', function() {
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var str = JSON.stringify({
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points: [[10, 20, 0], [20, 30, 0]],
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hasZ: true
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});
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var obj = format.readGeometry(str);
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expect(obj).to.be.a(ol.geom.MultiPoint);
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expect(obj.getCoordinates()).to.eql([[10, 20, 0], [20, 30, 0]]);
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expect(obj.getLayout()).to.eql(ol.geom.GeometryLayout.XYZ);
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});
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it('parses linestring', function() {
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var str = JSON.stringify({
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paths: [[[10, 20], [30, 40]]]
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});
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var obj = format.readGeometry(str);
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expect(obj).to.be.a(ol.geom.LineString);
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expect(obj.getCoordinates()).to.eql([[10, 20], [30, 40]]);
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expect(obj.getLayout()).to.eql(ol.geom.GeometryLayout.XY);
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});
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it('parses XYZ linestring', function() {
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var str = JSON.stringify({
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hasZ: true,
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paths: [[[10, 20, 1534], [30, 40, 1420]]]
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});
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var obj = format.readGeometry(str);
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expect(obj).to.be.a(ol.geom.LineString);
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expect(obj.getLayout()).to.eql(ol.geom.GeometryLayout.XYZ);
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expect(obj.getCoordinates()).to.eql([[10, 20, 1534], [30, 40, 1420]]);
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});
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it('parses polygon', function() {
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var outer = [[0, 0], [0, 10], [10, 10], [10, 0], [0, 0]],
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inner1 = [[1, 1], [2, 1], [2, 2], [1, 2], [1, 1]],
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inner2 = [[8, 8], [9, 8], [9, 9], [8, 9], [8, 8]],
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str = JSON.stringify({
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rings: [outer, inner1, inner2]
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});
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var obj = format.readGeometry(str);
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expect(obj).to.be.a(ol.geom.Polygon);
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expect(obj.getLayout()).to.eql(ol.geom.GeometryLayout.XY);
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var rings = obj.getLinearRings();
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expect(rings.length).to.be(3);
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expect(rings[0]).to.be.a(ol.geom.LinearRing);
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expect(rings[1]).to.be.a(ol.geom.LinearRing);
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expect(rings[2]).to.be.a(ol.geom.LinearRing);
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});
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it('parses XYZ polygon', function() {
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var outer = [[0, 0, 5], [0, 10, 5], [10, 10, 5], [10, 0, 5], [0, 0, 5]],
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inner1 = [[1, 1, 3], [2, 1, 3], [2, 2, 3], [1, 2, 3], [1, 1, 3]],
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inner2 = [[8, 8, 2], [9, 8, 2], [9, 9, 2], [8, 9, 2], [8, 8, 2]],
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str = JSON.stringify({
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rings: [outer, inner1, inner2],
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hasZ: true
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});
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var obj = format.readGeometry(str);
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expect(obj).to.be.a(ol.geom.Polygon);
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expect(obj.getLayout()).to.eql(ol.geom.GeometryLayout.XYZ);
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var rings = obj.getLinearRings();
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expect(rings.length).to.be(3);
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expect(rings[0]).to.be.a(ol.geom.LinearRing);
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expect(rings[1]).to.be.a(ol.geom.LinearRing);
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expect(rings[2]).to.be.a(ol.geom.LinearRing);
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});
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it('parses XYZ multipolygon', function() {
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var str = JSON.stringify({
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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
|
||||
});
|
||||
var obj = format.readGeometry(str);
|
||||
expect(obj).to.be.a(ol.geom.MultiPolygon);
|
||||
expect(obj.getLayout()).to.eql(ol.geom.GeometryLayout.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]]]
|
||||
]);
|
||||
});
|
||||
|
||||
});
|
||||
|
||||
describe('#readProjection', function() {
|
||||
|
||||
it('reads named crs from top-level object', function() {
|
||||
|
||||
var json = {
|
||||
spatialReference: {
|
||||
wkid: 3857
|
||||
},
|
||||
features: [{
|
||||
attributes: {
|
||||
foo: 'bar'
|
||||
},
|
||||
geometry: {
|
||||
x: 1,
|
||||
y: 2
|
||||
}
|
||||
}, {
|
||||
attributes: {
|
||||
bam: 'baz'
|
||||
},
|
||||
geometry: {
|
||||
paths: [[[1, 2], [3, 4]]]
|
||||
}
|
||||
}]
|
||||
};
|
||||
var features = format.readFeatures(json);
|
||||
|
||||
expect(features.length).to.be(2);
|
||||
|
||||
var first = features[0];
|
||||
expect(first).to.be.a(ol.Feature);
|
||||
expect(first.get('foo')).to.be('bar');
|
||||
expect(first.getGeometry()).to.be.a(ol.geom.Point);
|
||||
|
||||
var second = features[1];
|
||||
expect(second).to.be.a(ol.Feature);
|
||||
expect(second.get('bam')).to.be('baz');
|
||||
expect(second.getGeometry()).to.be.a(ol.geom.LineString);
|
||||
|
||||
expect(format.readProjection(json)).to.be(ol.proj.get('EPSG:3857'));
|
||||
|
||||
});
|
||||
|
||||
});
|
||||
|
||||
});
|
||||
|
||||
|
||||
goog.require('ol.Feature');
|
||||
goog.require('ol.extent');
|
||||
goog.require('ol.format.EsriJSON');
|
||||
goog.require('ol.geom.GeometryLayout');
|
||||
goog.require('ol.geom.LineString');
|
||||
goog.require('ol.geom.LinearRing');
|
||||
goog.require('ol.geom.MultiLineString');
|
||||
goog.require('ol.geom.MultiPoint');
|
||||
goog.require('ol.geom.MultiPolygon');
|
||||
goog.require('ol.geom.Point');
|
||||
goog.require('ol.geom.Polygon');
|
||||
goog.require('ol.proj');
|
||||
Reference in New Issue
Block a user