UNPKG

echarts

Version:

Apache ECharts is a powerful, interactive charting and data visualization library for browser

219 lines (215 loc) 8.13 kB
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ /** * AUTO-GENERATED FILE. DO NOT MODIFY. */ /* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ import { __extends } from "tslib"; import * as zrUtil from 'zrender/lib/core/util.js'; import View, { useLegacyViewCoordSysCenterBase, viewCoordSysCopyViewRect, viewCoordSysSetBoundingRect } from '../View.js'; import geoSourceManager from './geoSourceManager.js'; import { SINGLE_REFERRING } from '../../util/model.js'; import { warn } from '../../util/log.js'; import Transformable from 'zrender/lib/core/Transformable.js'; var GEO_DEFAULT_PARAMS = { 'geoJSON': { aspectScale: 0.75, invertLongitute: true }, 'geoSVG': { aspectScale: 1, invertLongitute: false } }; export var geo2DDimensions = ['lng', 'lat']; var Geo = /** @class */function (_super) { __extends(Geo, _super); // See VIEW_COORD_SYS_TRANS_OVERALL_BACKWARD_COMPATIBILITY function Geo(name, map, opt) { var _this = _super.call(this) || this; _this.dimensions = geo2DDimensions; _this.type = 'geo'; // Only store specified name coord via `addGeoCoord`. _this._nameCoordMap = zrUtil.createHashMap(); _this.name = name; var projection = opt.projection; var source = geoSourceManager.load(map, opt.nameMap, opt.nameProperty); var resource = geoSourceManager.getGeoResource(map); var resourceType = _this.resourceType = resource ? resource.type : null; var regions = _this.regions = source.regions; var defaultParams = GEO_DEFAULT_PARAMS[resource.type]; _this._clip = opt.clip; // Not invert longitude if projection exits. var invertLongitute = projection ? false : defaultParams.invertLongitute; _this.view = new View(invertLongitute, useLegacyViewCoordSysCenterBase(opt.ecModel, opt.api), _this); _this.map = map; _this._regionsMap = source.regionsMap; _this.regions = source.regions; if (process.env.NODE_ENV !== 'production' && projection) { // Do some check if (resourceType === 'geoSVG') { if (process.env.NODE_ENV !== 'production') { warn("Map " + map + " with SVG source can't use projection. Only GeoJSON source supports projection."); } projection = null; } if (!(projection.project && projection.unproject)) { if (process.env.NODE_ENV !== 'production') { warn('project and unproject must be both provided in the projeciton.'); } projection = null; } } _this.projection = projection; var boundingRect; if (projection) { // Can't reuse the raw bounding rect for (var i = 0; i < regions.length; i++) { var regionRect = regions[i].getBoundingRect(projection); boundingRect = boundingRect || regionRect.clone(); boundingRect.union(regionRect); } } else { boundingRect = source.boundingRect; } viewCoordSysSetBoundingRect(_this.view, boundingRect.x, boundingRect.y, boundingRect.width, boundingRect.height); // aspectScale and invertLongitute actually is the parameters default raw projection. // So we ignore them if projection is given. // Ignore default aspect scale if projection exits. _this.aspectScale = projection ? 1 : zrUtil.retrieve2(opt.aspectScale, defaultParams.aspectScale); return _this; } Geo.prototype.getRegion = function (name) { return this._regionsMap.get(name); }; Geo.prototype.getRegionByCoord = function (coord) { var regions = this.regions; for (var i = 0; i < regions.length; i++) { var region = regions[i]; if (region.type === 'geoJSON' && region.contain(coord)) { return regions[i]; } } }; /** * Add geoCoord for indexing by name */ Geo.prototype.addGeoCoord = function (name, geoCoord) { this._nameCoordMap.set(name, geoCoord); }; /** * Get geoCoord by name */ Geo.prototype.getGeoCoord = function (name) { var region = this._regionsMap.get(name); // Calculate center only on demand. return this._nameCoordMap.get(name) || region && region.getCenter(); }; Geo.prototype.dataToPoint = function (data, noRoam, out) { if (zrUtil.isString(data)) { // Map area name to geoCoord data = this.getGeoCoord(data); } if (data) { var projection = this.projection; if (projection) { // projection may return null point. data = projection.project(data); } return data && this.view.dataToPoint(data, noRoam, out); } }; Geo.prototype.pointToData = function (point, reserved, out) { var projection = this.projection; if (projection) { // projection may return null point. point = projection.unproject(point); } // FIXME: if no `point`, should return [NaN, NaN], rather than undefined. // null/undefined has special meaning in `convertFromPixel`. return point && this.view.pointToData(point, out); }; Geo.prototype.convertToPixel = function (ecModel, finder, value) { var coordSys = getCoordSys(finder); return coordSys === this ? coordSys.dataToPoint(value) : null; }; Geo.prototype.convertFromPixel = function (ecModel, finder, pixel) { var coordSys = getCoordSys(finder); return coordSys === this ? coordSys.pointToData(pixel) : null; }; Geo.prototype.containPoint = function (point) { return this.view.containPoint(point); }; Geo.prototype.getArea = function (tolerance) { tolerance = tolerance || 0; var rect = viewCoordSysCopyViewRect(null, this.view); rect.x -= tolerance; rect.y -= tolerance; rect.width += 2 * tolerance; rect.height += 2 * tolerance; return rect; }; Geo.prototype.shouldClip = function () { return this._clip; }; /** * @implements CoordinateSystem['getBoundingRect'] */ Geo.prototype.getBoundingRect = function () { return this.view.getBoundingRect(); }; /** * @implements CoordinateSystem['getViewRect'] */ Geo.prototype.getViewRect = function () { return this.view.getViewRect(); }; /** * @implements CoordinateSystem['getRoamTransform'] */ Geo.prototype.getRoamTransform = function () { return this.view.getRoamTransform(); }; return Geo; }(Transformable // See VIEW_COORD_SYS_TRANS_OVERALL_BACKWARD_COMPATIBILITY ); ; function getCoordSys(finder) { var geoModel = finder.geoModel; var seriesModel = finder.seriesModel; return geoModel ? geoModel.coordinateSystem : seriesModel ? seriesModel.coordinateSystem // For map series. || (seriesModel.getReferringComponents('geo', SINGLE_REFERRING).models[0] || {}).coordinateSystem : null; } export default Geo;