var __extends = (this && this.__extends) || (function () { var extendStatics = function (d, b) { extendStatics = Object.setPrototypeOf || ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; }; return extendStatics(d, b); }; return function (d, b) { if (typeof b !== "function" && b !== null) throw new TypeError("Class extends value " + String(b) + " is not a constructor or null"); extendStatics(d, b); function __() { this.constructor = d; } d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); }; })(); /** * @module ol/format/EsriJSON */ import Feature from '../Feature.js'; import GeometryLayout from '../geom/GeometryLayout.js'; import JSONFeature from './JSONFeature.js'; import LineString from '../geom/LineString.js'; import LinearRing from '../geom/LinearRing.js'; import MultiLineString from '../geom/MultiLineString.js'; import MultiPoint from '../geom/MultiPoint.js'; import MultiPolygon from '../geom/MultiPolygon.js'; import Point from '../geom/Point.js'; import Polygon from '../geom/Polygon.js'; import { assert } from '../asserts.js'; import { assign, isEmpty } from '../obj.js'; import { containsExtent } from '../extent.js'; import { deflateCoordinates } from '../geom/flat/deflate.js'; import { get as getProjection } from '../proj.js'; import { linearRingIsClockwise } from '../geom/flat/orient.js'; import { transformGeometryWithOptions } from './Feature.js'; /** * @typedef {import("arcgis-rest-api").Feature} EsriJSONFeature * @typedef {import("arcgis-rest-api").FeatureSet} EsriJSONFeatureSet * @typedef {import("arcgis-rest-api").Geometry} EsriJSONGeometry * @typedef {import("arcgis-rest-api").Point} EsriJSONPoint * @typedef {import("arcgis-rest-api").Polyline} EsriJSONPolyline * @typedef {import("arcgis-rest-api").Polygon} EsriJSONPolygon * @typedef {import("arcgis-rest-api").Multipoint} EsriJSONMultipoint * @typedef {import("arcgis-rest-api").HasZM} EsriJSONHasZM * @typedef {import("arcgis-rest-api").Position} EsriJSONPosition * @typedef {import("arcgis-rest-api").SpatialReferenceWkid} EsriJSONSpatialReferenceWkid */ /** * @typedef {Object} EsriJSONMultiPolygon * @property {Array>>>} rings Rings for the MultiPolygon. * @property {boolean} [hasM] If the polygon coordinates have an M value. * @property {boolean} [hasZ] If the polygon coordinates have a Z value. * @property {EsriJSONSpatialReferenceWkid} [spatialReference] The coordinate reference system. */ /** * @const * @type {Object} */ var GEOMETRY_READERS = { Point: readPointGeometry, LineString: readLineStringGeometry, Polygon: readPolygonGeometry, MultiPoint: readMultiPointGeometry, MultiLineString: readMultiLineStringGeometry, MultiPolygon: readMultiPolygonGeometry, }; /** * @const * @type {Object} */ var GEOMETRY_WRITERS = { Point: writePointGeometry, LineString: writeLineStringGeometry, Polygon: writePolygonGeometry, MultiPoint: writeMultiPointGeometry, MultiLineString: writeMultiLineStringGeometry, MultiPolygon: writeMultiPolygonGeometry, }; /** * @typedef {Object} Options * @property {string} [geometryName] Geometry name to use when creating features. */ /** * @classdesc * Feature format for reading and writing data in the EsriJSON format. * * @api */ var EsriJSON = /** @class */ (function (_super) { __extends(EsriJSON, _super); /** * @param {Options} [opt_options] Options. */ function EsriJSON(opt_options) { var _this = this; var options = opt_options ? opt_options : {}; _this = _super.call(this) || this; /** * Name of the geometry attribute for features. * @type {string|undefined} * @private */ _this.geometryName_ = options.geometryName; return _this; } /** * @param {Object} object Object. * @param {import("./Feature.js").ReadOptions} [opt_options] Read options. * @param {string} [opt_idField] Name of the field where to get the id from. * @protected * @return {import("../Feature.js").default} Feature. */ EsriJSON.prototype.readFeatureFromObject = function (object, opt_options, opt_idField) { var esriJSONFeature = /** @type {EsriJSONFeature} */ (object); var geometry = readGeometry(esriJSONFeature.geometry, opt_options); var feature = new Feature(); if (this.geometryName_) { feature.setGeometryName(this.geometryName_); } feature.setGeometry(geometry); if (esriJSONFeature.attributes) { feature.setProperties(esriJSONFeature.attributes, true); var id = esriJSONFeature.attributes[opt_idField]; if (id !== undefined) { feature.setId(/** @type {number} */ (id)); } } return feature; }; /** * @param {Object} object Object. * @param {import("./Feature.js").ReadOptions} [opt_options] Read options. * @protected * @return {Array} Features. */ EsriJSON.prototype.readFeaturesFromObject = function (object, opt_options) { var options = opt_options ? opt_options : {}; if (object['features']) { var esriJSONFeatureSet = /** @type {EsriJSONFeatureSet} */ (object); /** @type {Array} */ var features = []; var esriJSONFeatures = esriJSONFeatureSet.features; for (var i = 0, ii = esriJSONFeatures.length; i < ii; ++i) { features.push(this.readFeatureFromObject(esriJSONFeatures[i], options, object.objectIdFieldName)); } return features; } else { return [this.readFeatureFromObject(object, options)]; } }; /** * @param {EsriJSONGeometry} object Object. * @param {import("./Feature.js").ReadOptions} [opt_options] Read options. * @protected * @return {import("../geom/Geometry.js").default} Geometry. */ EsriJSON.prototype.readGeometryFromObject = function (object, opt_options) { return readGeometry(object, opt_options); }; /** * @param {Object} object Object. * @protected * @return {import("../proj/Projection.js").default} Projection. */ EsriJSON.prototype.readProjectionFromObject = function (object) { if (object['spatialReference'] && object['spatialReference']['wkid'] !== undefined) { var spatialReference = /** @type {EsriJSONSpatialReferenceWkid} */ (object['spatialReference']); var crs = spatialReference.wkid; return getProjection('EPSG:' + crs); } else { return null; } }; /** * Encode a geometry as a EsriJSON object. * * @param {import("../geom/Geometry.js").default} geometry Geometry. * @param {import("./Feature.js").WriteOptions} [opt_options] Write options. * @return {EsriJSONGeometry} Object. * @api */ EsriJSON.prototype.writeGeometryObject = function (geometry, opt_options) { return writeGeometry(geometry, this.adaptOptions(opt_options)); }; /** * Encode a feature as a esriJSON Feature object. * * @param {import("../Feature.js").default} feature Feature. * @param {import("./Feature.js").WriteOptions} [opt_options] Write options. * @return {Object} Object. * @api */ EsriJSON.prototype.writeFeatureObject = function (feature, opt_options) { opt_options = this.adaptOptions(opt_options); var object = {}; if (!feature.hasProperties()) { object['attributes'] = {}; return object; } var properties = feature.getProperties(); var geometry = feature.getGeometry(); if (geometry) { object['geometry'] = writeGeometry(geometry, opt_options); var projection = opt_options && (opt_options.dataProjection || opt_options.featureProjection); if (projection) { object['geometry']['spatialReference'] = /** @type {EsriJSONSpatialReferenceWkid} */ ({ wkid: Number(getProjection(projection).getCode().split(':').pop()), }); } delete properties[feature.getGeometryName()]; } if (!isEmpty(properties)) { object['attributes'] = properties; } else { object['attributes'] = {}; } return object; }; /** * Encode an array of features as a EsriJSON object. * * @param {Array} features Features. * @param {import("./Feature.js").WriteOptions} [opt_options] Write options. * @return {EsriJSONFeatureSet} EsriJSON Object. * @api */ EsriJSON.prototype.writeFeaturesObject = function (features, opt_options) { opt_options = this.adaptOptions(opt_options); var objects = []; for (var i = 0, ii = features.length; i < ii; ++i) { objects.push(this.writeFeatureObject(features[i], opt_options)); } return { 'features': objects, }; }; return EsriJSON; }(JSONFeature)); /** * @param {EsriJSONGeometry} object Object. * @param {import("./Feature.js").ReadOptions} [opt_options] Read options. * @return {import("../geom/Geometry.js").default} Geometry. */ function readGeometry(object, opt_options) { var _a, _b; if (!object) { return null; } /** @type {import("../geom/Geometry.js").Type} */ var type; if (typeof object['x'] === 'number' && typeof object['y'] === 'number') { type = 'Point'; } else if (object['points']) { type = 'MultiPoint'; } else if (object['paths']) { var esriJSONPolyline = /** @type {EsriJSONPolyline} */ (object); if (esriJSONPolyline.paths.length === 1) { type = 'LineString'; } else { type = 'MultiLineString'; } } else if (object['rings']) { var esriJSONPolygon = /** @type {EsriJSONPolygon} */ (object); var layout = getGeometryLayout(esriJSONPolygon); var rings = convertRings(esriJSONPolygon.rings, layout); if (rings.length === 1) { type = 'Polygon'; object = assign({}, object, (_a = {}, _a['rings'] = rings[0], _a)); } else { type = 'MultiPolygon'; object = assign({}, object, (_b = {}, _b['rings'] = rings, _b)); } } var geometryReader = GEOMETRY_READERS[type]; return transformGeometryWithOptions(geometryReader(object), false, opt_options); } /** * Determines inner and outer rings. * Checks if any polygons in this array contain any other polygons in this * array. It is used for checking for holes. * Logic inspired by: https://github.com/Esri/terraformer-arcgis-parser * @param {Array>>} rings Rings. * @param {import("../geom/GeometryLayout.js").default} layout Geometry layout. * @return {Array>>>} Transformed rings. */ function convertRings(rings, layout) { var flatRing = []; var outerRings = []; var holes = []; var i, ii; for (i = 0, ii = rings.length; i < ii; ++i) { flatRing.length = 0; deflateCoordinates(flatRing, 0, rings[i], layout.length); // is this ring an outer ring? is it clockwise? var clockwise = linearRingIsClockwise(flatRing, 0, flatRing.length, layout.length); if (clockwise) { outerRings.push([rings[i]]); } else { holes.push(rings[i]); } } while (holes.length) { var hole = holes.shift(); var matched = false; // loop over all outer rings and see if they contain our hole. for (i = outerRings.length - 1; i >= 0; i--) { var outerRing = outerRings[i][0]; var containsHole = containsExtent(new LinearRing(outerRing).getExtent(), new LinearRing(hole).getExtent()); if (containsHole) { // the hole is contained push it into our polygon outerRings[i].push(hole); matched = true; break; } } if (!matched) { // no outer rings contain this hole turn it into and outer // ring (reverse it) outerRings.push([hole.reverse()]); } } return outerRings; } /** * @param {EsriJSONPoint} object Object. * @return {import("../geom/Geometry.js").default} Point. */ function readPointGeometry(object) { var point; if (object.m !== undefined && object.z !== undefined) { point = new Point([object.x, object.y, object.z, object.m], GeometryLayout.XYZM); } else if (object.z !== undefined) { point = new Point([object.x, object.y, object.z], GeometryLayout.XYZ); } else if (object.m !== undefined) { point = new Point([object.x, object.y, object.m], GeometryLayout.XYM); } else { point = new Point([object.x, object.y]); } return point; } /** * @param {EsriJSONPolyline} object Object. * @return {import("../geom/Geometry.js").default} LineString. */ function readLineStringGeometry(object) { var layout = getGeometryLayout(object); return new LineString(object.paths[0], layout); } /** * @param {EsriJSONPolyline} object Object. * @return {import("../geom/Geometry.js").default} MultiLineString. */ function readMultiLineStringGeometry(object) { var layout = getGeometryLayout(object); return new MultiLineString(object.paths, layout); } /** * @param {EsriJSONHasZM} object Object. * @return {import("../geom/GeometryLayout.js").default} The geometry layout to use. */ function getGeometryLayout(object) { var layout = GeometryLayout.XY; if (object.hasZ === true && object.hasM === true) { layout = GeometryLayout.XYZM; } else if (object.hasZ === true) { layout = GeometryLayout.XYZ; } else if (object.hasM === true) { layout = GeometryLayout.XYM; } return layout; } /** * @param {EsriJSONMultipoint} object Object. * @return {import("../geom/Geometry.js").default} MultiPoint. */ function readMultiPointGeometry(object) { var layout = getGeometryLayout(object); return new MultiPoint(object.points, layout); } /** * @param {EsriJSONMultiPolygon} object Object. * @return {import("../geom/Geometry.js").default} MultiPolygon. */ function readMultiPolygonGeometry(object) { var layout = getGeometryLayout(object); return new MultiPolygon(object.rings, layout); } /** * @param {EsriJSONPolygon} object Object. * @return {import("../geom/Geometry.js").default} Polygon. */ function readPolygonGeometry(object) { var layout = getGeometryLayout(object); return new Polygon(object.rings, layout); } /** * @param {import("../geom/Point.js").default} geometry Geometry. * @param {import("./Feature.js").WriteOptions} [opt_options] Write options. * @return {EsriJSONPoint} EsriJSON geometry. */ function writePointGeometry(geometry, opt_options) { var coordinates = geometry.getCoordinates(); /** @type {EsriJSONPoint} */ var esriJSON; var layout = geometry.getLayout(); if (layout === GeometryLayout.XYZ) { esriJSON = { x: coordinates[0], y: coordinates[1], z: coordinates[2], }; } else if (layout === GeometryLayout.XYM) { esriJSON = { x: coordinates[0], y: coordinates[1], m: coordinates[2], }; } else if (layout === GeometryLayout.XYZM) { esriJSON = { x: coordinates[0], y: coordinates[1], z: coordinates[2], m: coordinates[3], }; } else if (layout === GeometryLayout.XY) { esriJSON = { x: coordinates[0], y: coordinates[1], }; } else { assert(false, 34); // Invalid geometry layout } return esriJSON; } /** * @param {import("../geom/SimpleGeometry.js").default} geometry Geometry. * @return {Object} Object with boolean hasZ and hasM keys. */ function getHasZM(geometry) { var layout = geometry.getLayout(); return { hasZ: layout === GeometryLayout.XYZ || layout === GeometryLayout.XYZM, hasM: layout === GeometryLayout.XYM || layout === GeometryLayout.XYZM, }; } /** * @param {import("../geom/LineString.js").default} lineString Geometry. * @param {import("./Feature.js").WriteOptions} [opt_options] Write options. * @return {EsriJSONPolyline} EsriJSON geometry. */ function writeLineStringGeometry(lineString, opt_options) { var hasZM = getHasZM(lineString); return { hasZ: hasZM.hasZ, hasM: hasZM.hasM, paths: [ /** @type {Array} */ (lineString.getCoordinates()), ], }; } /** * @param {import("../geom/Polygon.js").default} polygon Geometry. * @param {import("./Feature.js").WriteOptions} [opt_options] Write options. * @return {EsriJSONPolygon} EsriJSON geometry. */ function writePolygonGeometry(polygon, opt_options) { // Esri geometries use the left-hand rule var hasZM = getHasZM(polygon); return { hasZ: hasZM.hasZ, hasM: hasZM.hasM, rings: /** @type {Array>} */ (polygon.getCoordinates(false)), }; } /** * @param {import("../geom/MultiLineString.js").default} multiLineString Geometry. * @param {import("./Feature.js").WriteOptions} [opt_options] Write options. * @return {EsriJSONPolyline} EsriJSON geometry. */ function writeMultiLineStringGeometry(multiLineString, opt_options) { var hasZM = getHasZM(multiLineString); return { hasZ: hasZM.hasZ, hasM: hasZM.hasM, paths: /** @type {Array>} */ (multiLineString.getCoordinates()), }; } /** * @param {import("../geom/MultiPoint.js").default} multiPoint Geometry. * @param {import("./Feature.js").WriteOptions} [opt_options] Write options. * @return {EsriJSONMultipoint} EsriJSON geometry. */ function writeMultiPointGeometry(multiPoint, opt_options) { var hasZM = getHasZM(multiPoint); return { hasZ: hasZM.hasZ, hasM: hasZM.hasM, points: /** @type {Array} */ (multiPoint.getCoordinates()), }; } /** * @param {import("../geom/MultiPolygon.js").default} geometry Geometry. * @param {import("./Feature.js").WriteOptions} [opt_options] Write options. * @return {EsriJSONPolygon} EsriJSON geometry. */ function writeMultiPolygonGeometry(geometry, opt_options) { var hasZM = getHasZM(geometry); var coordinates = geometry.getCoordinates(false); var output = []; for (var i = 0; i < coordinates.length; i++) { for (var x = coordinates[i].length - 1; x >= 0; x--) { output.push(coordinates[i][x]); } } return { hasZ: hasZM.hasZ, hasM: hasZM.hasM, rings: /** @type {Array>} */ (output), }; } /** * @param {import("../geom/Geometry.js").default} geometry Geometry. * @param {import("./Feature.js").WriteOptions} [opt_options] Write options. * @return {EsriJSONGeometry} EsriJSON geometry. */ function writeGeometry(geometry, opt_options) { var geometryWriter = GEOMETRY_WRITERS[geometry.getType()]; return geometryWriter(transformGeometryWithOptions(geometry, true, opt_options), opt_options); } export default EsriJSON; //# sourceMappingURL=EsriJSON.js.map