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/* *
*
* (c) 2010-2021 Torstein Honsi
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
'use strict';
import Chart from '../Core/Chart/Chart.js';
import F from '../Core/FormatUtilities.js';
var format = F.format;
import H from '../Core/Globals.js';
var win = H.win;
import U from '../Core/Utilities.js';
var error = U.error, extend = U.extend, merge = U.merge, wrap = U.wrap;
/**
* Represents the loose structure of a geographic JSON file.
*
* @interface Highcharts.GeoJSON
*/ /**
* Full copyright note of the geographic data.
* @name Highcharts.GeoJSON#copyright
* @type {string|undefined}
*/ /**
* Short copyright note of the geographic data suitable for watermarks.
* @name Highcharts.GeoJSON#copyrightShort
* @type {string|undefined}
*/ /**
* Additional meta information based on the coordinate reference system.
* @name Highcharts.GeoJSON#crs
* @type {Highcharts.Dictionary<any>|undefined}
*/ /**
* Data sets of geographic features.
* @name Highcharts.GeoJSON#features
* @type {Array<Highcharts.GeoJSONFeature>}
*/ /**
* Map projections and transformations to be used when calculating between
* lat/lon and chart values. Required for lat/lon support on maps. Allows
* resizing, rotating, and moving portions of a map within its projected
* coordinate system while still retaining lat/lon support. If using lat/lon
* on a portion of the map that does not match a `hitZone`, the definition with
* the key `default` is used.
* @name Highcharts.GeoJSON#hc-transform
* @type {Highcharts.Dictionary<Highcharts.GeoJSONTranslation>|undefined}
*/ /**
* Title of the geographic data.
* @name Highcharts.GeoJSON#title
* @type {string|undefined}
*/ /**
* Type of the geographic data. Type of an optimized map collection is
* `FeatureCollection`.
* @name Highcharts.GeoJSON#type
* @type {string|undefined}
*/ /**
* Version of the geographic data.
* @name Highcharts.GeoJSON#version
* @type {string|undefined}
*/
/**
* Data set of a geographic feature.
* @interface Highcharts.GeoJSONFeature
* @extends Highcharts.Dictionary<*>
*/ /**
* Data type of the geographic feature.
* @name Highcharts.GeoJSONFeature#type
* @type {string}
*/
/**
* Describes the map projection and transformations applied to a portion of
* a map.
* @interface Highcharts.GeoJSONTranslation
*/ /**
* The coordinate reference system used to generate this portion of the map.
* @name Highcharts.GeoJSONTranslation#crs
* @type {string}
*/ /**
* Define the portion of the map that this defintion applies to. Defined as a
* GeoJSON polygon feature object, with `type` and `coordinates` properties.
* @name Highcharts.GeoJSONTranslation#hitZone
* @type {Highcharts.Dictionary<*>|undefined}
*/ /**
* Property for internal use for maps generated by Highsoft.
* @name Highcharts.GeoJSONTranslation#jsonmarginX
* @type {number|undefined}
*/ /**
* Property for internal use for maps generated by Highsoft.
* @name Highcharts.GeoJSONTranslation#jsonmarginY
* @type {number|undefined}
*/ /**
* Property for internal use for maps generated by Highsoft.
* @name Highcharts.GeoJSONTranslation#jsonres
* @type {number|undefined}
*/ /**
* Specifies clockwise rotation of the coordinates after the projection, but
* before scaling and panning. Defined in radians, relative to the coordinate
* system origin.
* @name Highcharts.GeoJSONTranslation#rotation
* @type {number|undefined}
*/ /**
* The scaling factor applied to the projected coordinates.
* @name Highcharts.GeoJSONTranslation#scale
* @type {number|undefined}
*/ /**
* Property for internal use for maps generated by Highsoft.
* @name Highcharts.GeoJSONTranslation#xoffset
* @type {number|undefined}
*/ /**
* X offset of projected coordinates after scaling.
* @name Highcharts.GeoJSONTranslation#xpan
* @type {number|undefined}
*/ /**
* Property for internal use for maps generated by Highsoft.
* @name Highcharts.GeoJSONTranslation#yoffset
* @type {number|undefined}
*/ /**
* Y offset of projected coordinates after scaling.
* @name Highcharts.GeoJSONTranslation#ypan
* @type {number|undefined}
*/
/**
* Result object of a map transformation.
*
* @interface Highcharts.ProjectedXY
*/ /**
* X coordinate in projected units.
* @name Highcharts.ProjectedXY#x
* @type {number}
*/ /**
* Y coordinate in projected units
* @name Highcharts.ProjectedXY#y
* @type {number}
*/
/**
* A latitude/longitude object.
*
* @interface Highcharts.MapLonLatObject
*/ /**
* The latitude.
* @name Highcharts.MapLonLatObject#lat
* @type {number}
*/ /**
* The longitude.
* @name Highcharts.MapLonLatObject#lon
* @type {number}
*/
/**
* An array of longitude, latitude.
*
* @typedef {Array<number>} Highcharts.LonLatArray
*/
/**
* A TopoJSON object, see description on the
* [project's GitHub page](https://github.com/topojson/topojson).
*
* @typedef {Object} Highcharts.TopoJSON
*/
''; // detach doclets above
/* eslint-disable no-invalid-this, valid-jsdoc */
/**
* Highcharts Maps only. Get point from latitude and longitude using specified
* transform definition.
*
* @requires modules/map
*
* @sample maps/series/latlon-transform/
* Use specific transformation for lat/lon
*
* @function Highcharts.Chart#transformFromLatLon
*
* @param {Highcharts.MapLonLatObject} latLon
* A latitude/longitude object.
*
* @param {*} transform
* The transform definition to use as explained in the
* {@link https://www.highcharts.com/docs/maps/latlon|documentation}.
*
* @return {ProjectedXY}
* An object with `x` and `y` properties.
*/
Chart.prototype.transformFromLatLon = function (latLon, transform) {
/**
* Allows to manually load the proj4 library from Highcharts options
* instead of the `window`.
* In case of loading the library from a `script` tag,
* this option is not needed, it will be loaded from there by default.
*
* @type {Function}
* @product highmaps
* @apioption chart.proj4
*/
var proj4 = this.options.chart.proj4 || win.proj4;
if (!proj4) {
error(21, false, this);
return;
}
var _a = transform.jsonmarginX, jsonmarginX = _a === void 0 ? 0 : _a, _b = transform.jsonmarginY, jsonmarginY = _b === void 0 ? 0 : _b, _c = transform.jsonres, jsonres = _c === void 0 ? 1 : _c, _d = transform.scale, scale = _d === void 0 ? 1 : _d, _e = transform.xoffset, xoffset = _e === void 0 ? 0 : _e, _f = transform.xpan, xpan = _f === void 0 ? 0 : _f, _g = transform.yoffset, yoffset = _g === void 0 ? 0 : _g, _h = transform.ypan, ypan = _h === void 0 ? 0 : _h;
var projected = proj4(transform.crs, [latLon.lon, latLon.lat]), cosAngle = transform.cosAngle ||
(transform.rotation && Math.cos(transform.rotation)), sinAngle = transform.sinAngle ||
(transform.rotation && Math.sin(transform.rotation)), rotated = transform.rotation ? [
projected[0] * cosAngle + projected[1] * sinAngle,
-projected[0] * sinAngle + projected[1] * cosAngle
] : projected;
return {
x: ((rotated[0] - xoffset) * scale + xpan) * jsonres + jsonmarginX,
y: -(((yoffset - rotated[1]) * scale + ypan) * jsonres - jsonmarginY)
};
};
/**
* Highcharts Maps only. Get latLon from point using specified transform
* definition. The method returns an object with the numeric properties `lat`
* and `lon`.
*
* @requires modules/map
*
* @sample maps/series/latlon-transform/ Use specific transformation for lat/lon
*
* @function Highcharts.Chart#transformToLatLon
*
* @param {Highcharts.Point|Highcharts.ProjectedXY} point A `Point` instance, or
* any object containing the properties `x` and `y` with numeric values.
*
* @param {*} transform The transform definition to use as explained in the
* {@link https://www.highcharts.com/docs/maps/latlon|documentation}.
*
* @return {Highcharts.MapLonLatObject|undefined} An object with `lat` and `lon`
* properties.
*/
Chart.prototype.transformToLatLon = function (point, transform) {
var proj4 = this.options.chart.proj4 || win.proj4;
if (!proj4) {
error(21, false, this);
return;
}
if (point.y === null) {
return;
}
var _a = transform.jsonmarginX, jsonmarginX = _a === void 0 ? 0 : _a, _b = transform.jsonmarginY, jsonmarginY = _b === void 0 ? 0 : _b, _c = transform.jsonres, jsonres = _c === void 0 ? 1 : _c, _d = transform.scale, scale = _d === void 0 ? 1 : _d, _e = transform.xoffset, xoffset = _e === void 0 ? 0 : _e, _f = transform.xpan, xpan = _f === void 0 ? 0 : _f, _g = transform.yoffset, yoffset = _g === void 0 ? 0 : _g, _h = transform.ypan, ypan = _h === void 0 ? 0 : _h;
var normalized = {
x: ((point.x - jsonmarginX) / jsonres - xpan) / scale + xoffset,
y: ((point.y - jsonmarginY) / jsonres + ypan) / scale + yoffset
}, cosAngle = transform.cosAngle ||
(transform.rotation && Math.cos(transform.rotation)), sinAngle = transform.sinAngle ||
(transform.rotation && Math.sin(transform.rotation)),
// Note: Inverted sinAngle to reverse rotation direction
projected = proj4(transform.crs, 'WGS84', transform.rotation ? {
x: normalized.x * cosAngle + normalized.y * -sinAngle,
y: normalized.x * sinAngle + normalized.y * cosAngle
} : normalized);
return { lat: projected.y, lon: projected.x };
};
/**
* Deprecated. Use `MapView.projectedUnitsToLonLat` instead.
*
* @deprecated
*
* @requires modules/map
*
* @function Highcharts.Chart#fromPointToLatLon
*
* @param {Highcharts.Point|Highcharts.ProjectedXY} point A `Point`
* instance or anything containing `x` and `y` properties with numeric
* values.
*
* @return {Highcharts.MapLonLatObject|undefined} An object with `lat` and `lon`
* properties.
*/
Chart.prototype.fromPointToLatLon = function (point) {
return this.mapView && this.mapView.projectedUnitsToLonLat(point);
};
/**
* Deprecated. Use `MapView.lonLatToProjectedUnits` instead.
*
* @deprecated
*
* @requires modules/map
*
* @function Highcharts.Chart#fromLatLonToPoint
*
* @param {Highcharts.MapLonLatObject} lonLat Coordinates.
*
* @return {Highcharts.ProjectedXY}
* X and Y coordinates in terms of projected values
*/
Chart.prototype.fromLatLonToPoint = function (lonLat) {
return this.mapView && this.mapView.lonLatToProjectedUnits(lonLat);
};
/*
* Convert a TopoJSON topology to GeoJSON. By default the first object is
* handled.
* Based on https://github.com/topojson/topojson-specification
*/
function topo2geo(topology, objectName) {
// Decode first object/feature as default
if (!objectName) {
objectName = Object.keys(topology.objects)[0];
}
var object = topology.objects[objectName];
// Already decoded => return cache
if (object['hc-decoded-geojson']) {
return object['hc-decoded-geojson'];
}
// Do the initial transform
var arcsArray = topology.arcs;
if (topology.transform) {
var _a = topology.transform, scale_1 = _a.scale, translate_1 = _a.translate;
arcsArray = topology.arcs.map(function (arc) {
var x = 0, y = 0;
return arc.map(function (position) {
position = position.slice();
position[0] = (x += position[0]) * scale_1[0] + translate_1[0];
position[1] = (y += position[1]) * scale_1[1] + translate_1[1];
return position;
});
});
}
// Recurse down any depth of multi-dimentional arrays of arcs and insert
// the coordinates
var arcsToCoordinates = function (arcs) {
if (typeof arcs[0] === 'number') {
return arcs.reduce(function (coordinates, arcNo, i) {
var arc = arcNo < 0 ? arcsArray[~arcNo] : arcsArray[arcNo];
// The first point of an arc is always identical to the last
// point of the previes arc, so slice it off to save further
// processing.
if (arcNo < 0) {
arc = arc.slice(0, i === 0 ? arc.length : arc.length - 1);
arc.reverse();
}
else if (i) {
arc = arc.slice(1);
}
return coordinates.concat(arc);
}, []);
}
return arcs.map(arcsToCoordinates);
};
var features = object.geometries
.map(function (geometry) { return ({
type: 'Feature',
properties: geometry.properties,
geometry: {
type: geometry.type,
coordinates: geometry.coordinates ||
arcsToCoordinates(geometry.arcs)
}
}); });
var geojson = {
type: 'FeatureCollection',
copyright: topology.copyright,
copyrightShort: topology.copyrightShort,
copyrightUrl: topology.copyrightUrl,
features: features,
'hc-recommended-mapview': object['hc-recommended-mapview'],
bbox: topology.bbox,
title: topology.title
};
object['hc-decoded-geojson'] = geojson;
return geojson;
}
/**
* Highcharts Maps only. Restructure a GeoJSON or TopoJSON object in preparation
* to be read directly by the
* {@link https://api.highcharts.com/highmaps/plotOptions.series.mapData|series.mapData}
* option. The object will be broken down to fit a specific Highcharts type,
* either `map`, `mapline` or `mappoint`. Meta data in GeoJSON's properties
* object will be copied directly over to {@link Point.properties} in Highcharts
* Maps.
*
* @requires modules/map
*
* @sample maps/demo/geojson/ Simple areas
* @sample maps/demo/mapline-mappoint/ Multiple types
* @sample maps/series/mapdata-multiple/ Multiple map sources
*
* @function Highcharts.geojson
*
* @param {Highcharts.GeoJSON|Highcharts.TopoJSON} json The GeoJSON or TopoJSON
* structure to parse, represented as a JavaScript object.
*
* @param {string} [hType=map] The Highcharts Maps series type to prepare for.
* Setting "map" will return GeoJSON polygons and multipolygons. Setting
* "mapline" will return GeoJSON linestrings and multilinestrings.
* Setting "mappoint" will return GeoJSON points and multipoints.
*
*
* @return {Array<*>} An object ready for the `mapData` option.
*/
function geojson(json, hType, series) {
if (hType === void 0) { hType = 'map'; }
var mapData = [];
var geojson = json.type === 'Topology' ? topo2geo(json) : json;
geojson.features.forEach(function (feature) {
var geometry = feature.geometry || {}, type = geometry.type, coordinates = geometry.coordinates, properties = feature.properties;
var pointOptions;
if ((hType === 'map' || hType === 'mapbubble') &&
(type === 'Polygon' || type === 'MultiPolygon')) {
if (coordinates.length) {
pointOptions = { geometry: { coordinates: coordinates, type: type } };
}
}
else if (hType === 'mapline' &&
(type === 'LineString' ||
type === 'MultiLineString')) {
if (coordinates.length) {
pointOptions = { geometry: { coordinates: coordinates, type: type } };
}
}
else if (hType === 'mappoint' && type === 'Point') {
if (coordinates.length) {
pointOptions = { geometry: { coordinates: coordinates, type: type } };
}
}
if (pointOptions) {
var name_1 = properties && (properties.name || properties.NAME), lon = properties && properties.lon, lat = properties && properties.lat;
mapData.push(extend(pointOptions, {
lat: typeof lat === 'number' ? lat : void 0,
lon: typeof lon === 'number' ? lon : void 0,
name: typeof name_1 === 'string' ? name_1 : void 0,
/**
* In Highcharts Maps, when data is loaded from GeoJSON, the
* GeoJSON item's properies are copied over here.
*
* @requires modules/map
* @name Highcharts.Point#properties
* @type {*}
*/
properties: properties
}));
}
});
// Create a credits text that includes map source, to be picked up in
// Chart.addCredits
if (series && geojson.copyrightShort) {
series.chart.mapCredits = format(series.chart.options.credits.mapText, { geojson: geojson });
series.chart.mapCreditsFull = format(series.chart.options.credits.mapTextFull, { geojson: geojson });
}
return mapData;
}
// Override addCredits to include map source by default
wrap(Chart.prototype, 'addCredits', function (proceed, credits) {
credits = merge(true, this.options.credits, credits);
// Disable credits link if map credits enabled. This to allow for in-text
// anchors.
if (this.mapCredits) {
credits.href = null;
}
proceed.call(this, credits);
// Add full map credits to hover
if (this.credits && this.mapCreditsFull) {
this.credits.attr({
title: this.mapCreditsFull
});
}
});
H.geojson = geojson;
H.topo2geo = topo2geo;
var GeoJSONModule = {
geojson: geojson,
topo2geo: topo2geo
};
export default GeoJSONModule;
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