From f7fa67dcc49b0b50ae2323b13facac69f2b5e495 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 14 Apr 2024 15:24:15 +0200 Subject: Adding debian version 1.1.0-4. Signed-off-by: Daniel Baumann --- debian/missing-sources/leaflet.js/geo/LatLng.js | 137 +++++++++++ .../missing-sources/leaflet.js/geo/LatLngBounds.js | 251 +++++++++++++++++++++ .../leaflet.js/geo/crs/CRS.EPSG3395.js | 20 ++ .../leaflet.js/geo/crs/CRS.EPSG3857.js | 27 +++ .../leaflet.js/geo/crs/CRS.EPSG4326.js | 23 ++ .../leaflet.js/geo/crs/CRS.Earth.js | 33 +++ .../leaflet.js/geo/crs/CRS.Simple.js | 36 +++ debian/missing-sources/leaflet.js/geo/crs/CRS.js | 139 ++++++++++++ debian/missing-sources/leaflet.js/geo/crs/index.js | 15 ++ debian/missing-sources/leaflet.js/geo/index.js | 7 + .../leaflet.js/geo/projection/Projection.LonLat.js | 28 +++ .../geo/projection/Projection.Mercator.js | 49 ++++ .../geo/projection/Projection.SphericalMercator.js | 42 ++++ .../leaflet.js/geo/projection/index.js | 26 +++ 14 files changed, 833 insertions(+) create mode 100644 debian/missing-sources/leaflet.js/geo/LatLng.js create mode 100644 debian/missing-sources/leaflet.js/geo/LatLngBounds.js create mode 100644 debian/missing-sources/leaflet.js/geo/crs/CRS.EPSG3395.js create mode 100644 debian/missing-sources/leaflet.js/geo/crs/CRS.EPSG3857.js create mode 100644 debian/missing-sources/leaflet.js/geo/crs/CRS.EPSG4326.js create mode 100755 debian/missing-sources/leaflet.js/geo/crs/CRS.Earth.js create mode 100644 debian/missing-sources/leaflet.js/geo/crs/CRS.Simple.js create mode 100644 debian/missing-sources/leaflet.js/geo/crs/CRS.js create mode 100644 debian/missing-sources/leaflet.js/geo/crs/index.js create mode 100644 debian/missing-sources/leaflet.js/geo/index.js create mode 100644 debian/missing-sources/leaflet.js/geo/projection/Projection.LonLat.js create mode 100644 debian/missing-sources/leaflet.js/geo/projection/Projection.Mercator.js create mode 100644 debian/missing-sources/leaflet.js/geo/projection/Projection.SphericalMercator.js create mode 100644 debian/missing-sources/leaflet.js/geo/projection/index.js (limited to 'debian/missing-sources/leaflet.js/geo') diff --git a/debian/missing-sources/leaflet.js/geo/LatLng.js b/debian/missing-sources/leaflet.js/geo/LatLng.js new file mode 100644 index 0000000..f384674 --- /dev/null +++ b/debian/missing-sources/leaflet.js/geo/LatLng.js @@ -0,0 +1,137 @@ +import * as Util from '../core/Util'; +import {Earth} from './crs/CRS.Earth'; +import {toLatLngBounds} from './LatLngBounds'; + +/* @class LatLng + * @aka L.LatLng + * + * Represents a geographical point with a certain latitude and longitude. + * + * @example + * + * ``` + * var latlng = L.latLng(50.5, 30.5); + * ``` + * + * All Leaflet methods that accept LatLng objects also accept them in a simple Array form and simple object form (unless noted otherwise), so these lines are equivalent: + * + * ``` + * map.panTo([50, 30]); + * map.panTo({lon: 30, lat: 50}); + * map.panTo({lat: 50, lng: 30}); + * map.panTo(L.latLng(50, 30)); + * ``` + * + * Note that `LatLng` does not inherit from Leafet's `Class` object, + * which means new classes can't inherit from it, and new methods + * can't be added to it with the `include` function. + */ + +export function LatLng(lat, lng, alt) { + if (isNaN(lat) || isNaN(lng)) { + throw new Error('Invalid LatLng object: (' + lat + ', ' + lng + ')'); + } + + // @property lat: Number + // Latitude in degrees + this.lat = +lat; + + // @property lng: Number + // Longitude in degrees + this.lng = +lng; + + // @property alt: Number + // Altitude in meters (optional) + if (alt !== undefined) { + this.alt = +alt; + } +} + +LatLng.prototype = { + // @method equals(otherLatLng: LatLng, maxMargin?: Number): Boolean + // Returns `true` if the given `LatLng` point is at the same position (within a small margin of error). The margin of error can be overridden by setting `maxMargin` to a small number. + equals: function (obj, maxMargin) { + if (!obj) { return false; } + + obj = toLatLng(obj); + + var margin = Math.max( + Math.abs(this.lat - obj.lat), + Math.abs(this.lng - obj.lng)); + + return margin <= (maxMargin === undefined ? 1.0E-9 : maxMargin); + }, + + // @method toString(): String + // Returns a string representation of the point (for debugging purposes). + toString: function (precision) { + return 'LatLng(' + + Util.formatNum(this.lat, precision) + ', ' + + Util.formatNum(this.lng, precision) + ')'; + }, + + // @method distanceTo(otherLatLng: LatLng): Number + // Returns the distance (in meters) to the given `LatLng` calculated using the [Spherical Law of Cosines](https://en.wikipedia.org/wiki/Spherical_law_of_cosines). + distanceTo: function (other) { + return Earth.distance(this, toLatLng(other)); + }, + + // @method wrap(): LatLng + // Returns a new `LatLng` object with the longitude wrapped so it's always between -180 and +180 degrees. + wrap: function () { + return Earth.wrapLatLng(this); + }, + + // @method toBounds(sizeInMeters: Number): LatLngBounds + // Returns a new `LatLngBounds` object in which each boundary is `sizeInMeters/2` meters apart from the `LatLng`. + toBounds: function (sizeInMeters) { + var latAccuracy = 180 * sizeInMeters / 40075017, + lngAccuracy = latAccuracy / Math.cos((Math.PI / 180) * this.lat); + + return toLatLngBounds( + [this.lat - latAccuracy, this.lng - lngAccuracy], + [this.lat + latAccuracy, this.lng + lngAccuracy]); + }, + + clone: function () { + return new LatLng(this.lat, this.lng, this.alt); + } +}; + + + +// @factory L.latLng(latitude: Number, longitude: Number, altitude?: Number): LatLng +// Creates an object representing a geographical point with the given latitude and longitude (and optionally altitude). + +// @alternative +// @factory L.latLng(coords: Array): LatLng +// Expects an array of the form `[Number, Number]` or `[Number, Number, Number]` instead. + +// @alternative +// @factory L.latLng(coords: Object): LatLng +// Expects an plain object of the form `{lat: Number, lng: Number}` or `{lat: Number, lng: Number, alt: Number}` instead. + +export function toLatLng(a, b, c) { + if (a instanceof LatLng) { + return a; + } + if (Util.isArray(a) && typeof a[0] !== 'object') { + if (a.length === 3) { + return new LatLng(a[0], a[1], a[2]); + } + if (a.length === 2) { + return new LatLng(a[0], a[1]); + } + return null; + } + if (a === undefined || a === null) { + return a; + } + if (typeof a === 'object' && 'lat' in a) { + return new LatLng(a.lat, 'lng' in a ? a.lng : a.lon, a.alt); + } + if (b === undefined) { + return null; + } + return new LatLng(a, b, c); +} diff --git a/debian/missing-sources/leaflet.js/geo/LatLngBounds.js b/debian/missing-sources/leaflet.js/geo/LatLngBounds.js new file mode 100644 index 0000000..8fc03c3 --- /dev/null +++ b/debian/missing-sources/leaflet.js/geo/LatLngBounds.js @@ -0,0 +1,251 @@ +import {LatLng, toLatLng} from './LatLng'; + +/* + * @class LatLngBounds + * @aka L.LatLngBounds + * + * Represents a rectangular geographical area on a map. + * + * @example + * + * ```js + * var corner1 = L.latLng(40.712, -74.227), + * corner2 = L.latLng(40.774, -74.125), + * bounds = L.latLngBounds(corner1, corner2); + * ``` + * + * All Leaflet methods that accept LatLngBounds objects also accept them in a simple Array form (unless noted otherwise), so the bounds example above can be passed like this: + * + * ```js + * map.fitBounds([ + * [40.712, -74.227], + * [40.774, -74.125] + * ]); + * ``` + * + * Caution: if the area crosses the antimeridian (often confused with the International Date Line), you must specify corners _outside_ the [-180, 180] degrees longitude range. + * + * Note that `LatLngBounds` does not inherit from Leafet's `Class` object, + * which means new classes can't inherit from it, and new methods + * can't be added to it with the `include` function. + */ + +export function LatLngBounds(corner1, corner2) { // (LatLng, LatLng) or (LatLng[]) + if (!corner1) { return; } + + var latlngs = corner2 ? [corner1, corner2] : corner1; + + for (var i = 0, len = latlngs.length; i < len; i++) { + this.extend(latlngs[i]); + } +} + +LatLngBounds.prototype = { + + // @method extend(latlng: LatLng): this + // Extend the bounds to contain the given point + + // @alternative + // @method extend(otherBounds: LatLngBounds): this + // Extend the bounds to contain the given bounds + extend: function (obj) { + var sw = this._southWest, + ne = this._northEast, + sw2, ne2; + + if (obj instanceof LatLng) { + sw2 = obj; + ne2 = obj; + + } else if (obj instanceof LatLngBounds) { + sw2 = obj._southWest; + ne2 = obj._northEast; + + if (!sw2 || !ne2) { return this; } + + } else { + return obj ? this.extend(toLatLng(obj) || toLatLngBounds(obj)) : this; + } + + if (!sw && !ne) { + this._southWest = new LatLng(sw2.lat, sw2.lng); + this._northEast = new LatLng(ne2.lat, ne2.lng); + } else { + sw.lat = Math.min(sw2.lat, sw.lat); + sw.lng = Math.min(sw2.lng, sw.lng); + ne.lat = Math.max(ne2.lat, ne.lat); + ne.lng = Math.max(ne2.lng, ne.lng); + } + + return this; + }, + + // @method pad(bufferRatio: Number): LatLngBounds + // Returns bounds created by extending or retracting the current bounds by a given ratio in each direction. + // For example, a ratio of 0.5 extends the bounds by 50% in each direction. + // Negative values will retract the bounds. + pad: function (bufferRatio) { + var sw = this._southWest, + ne = this._northEast, + heightBuffer = Math.abs(sw.lat - ne.lat) * bufferRatio, + widthBuffer = Math.abs(sw.lng - ne.lng) * bufferRatio; + + return new LatLngBounds( + new LatLng(sw.lat - heightBuffer, sw.lng - widthBuffer), + new LatLng(ne.lat + heightBuffer, ne.lng + widthBuffer)); + }, + + // @method getCenter(): LatLng + // Returns the center point of the bounds. + getCenter: function () { + return new LatLng( + (this._southWest.lat + this._northEast.lat) / 2, + (this._southWest.lng + this._northEast.lng) / 2); + }, + + // @method getSouthWest(): LatLng + // Returns the south-west point of the bounds. + getSouthWest: function () { + return this._southWest; + }, + + // @method getNorthEast(): LatLng + // Returns the north-east point of the bounds. + getNorthEast: function () { + return this._northEast; + }, + + // @method getNorthWest(): LatLng + // Returns the north-west point of the bounds. + getNorthWest: function () { + return new LatLng(this.getNorth(), this.getWest()); + }, + + // @method getSouthEast(): LatLng + // Returns the south-east point of the bounds. + getSouthEast: function () { + return new LatLng(this.getSouth(), this.getEast()); + }, + + // @method getWest(): Number + // Returns the west longitude of the bounds + getWest: function () { + return this._southWest.lng; + }, + + // @method getSouth(): Number + // Returns the south latitude of the bounds + getSouth: function () { + return this._southWest.lat; + }, + + // @method getEast(): Number + // Returns the east longitude of the bounds + getEast: function () { + return this._northEast.lng; + }, + + // @method getNorth(): Number + // Returns the north latitude of the bounds + getNorth: function () { + return this._northEast.lat; + }, + + // @method contains(otherBounds: LatLngBounds): Boolean + // Returns `true` if the rectangle contains the given one. + + // @alternative + // @method contains (latlng: LatLng): Boolean + // Returns `true` if the rectangle contains the given point. + contains: function (obj) { // (LatLngBounds) or (LatLng) -> Boolean + if (typeof obj[0] === 'number' || obj instanceof LatLng || 'lat' in obj) { + obj = toLatLng(obj); + } else { + obj = toLatLngBounds(obj); + } + + var sw = this._southWest, + ne = this._northEast, + sw2, ne2; + + if (obj instanceof LatLngBounds) { + sw2 = obj.getSouthWest(); + ne2 = obj.getNorthEast(); + } else { + sw2 = ne2 = obj; + } + + return (sw2.lat >= sw.lat) && (ne2.lat <= ne.lat) && + (sw2.lng >= sw.lng) && (ne2.lng <= ne.lng); + }, + + // @method intersects(otherBounds: LatLngBounds): Boolean + // Returns `true` if the rectangle intersects the given bounds. Two bounds intersect if they have at least one point in common. + intersects: function (bounds) { + bounds = toLatLngBounds(bounds); + + var sw = this._southWest, + ne = this._northEast, + sw2 = bounds.getSouthWest(), + ne2 = bounds.getNorthEast(), + + latIntersects = (ne2.lat >= sw.lat) && (sw2.lat <= ne.lat), + lngIntersects = (ne2.lng >= sw.lng) && (sw2.lng <= ne.lng); + + return latIntersects && lngIntersects; + }, + + // @method overlaps(otherBounds: Bounds): Boolean + // Returns `true` if the rectangle overlaps the given bounds. Two bounds overlap if their intersection is an area. + overlaps: function (bounds) { + bounds = toLatLngBounds(bounds); + + var sw = this._southWest, + ne = this._northEast, + sw2 = bounds.getSouthWest(), + ne2 = bounds.getNorthEast(), + + latOverlaps = (ne2.lat > sw.lat) && (sw2.lat < ne.lat), + lngOverlaps = (ne2.lng > sw.lng) && (sw2.lng < ne.lng); + + return latOverlaps && lngOverlaps; + }, + + // @method toBBoxString(): String + // Returns a string with bounding box coordinates in a 'southwest_lng,southwest_lat,northeast_lng,northeast_lat' format. Useful for sending requests to web services that return geo data. + toBBoxString: function () { + return [this.getWest(), this.getSouth(), this.getEast(), this.getNorth()].join(','); + }, + + // @method equals(otherBounds: LatLngBounds, maxMargin?: Number): Boolean + // Returns `true` if the rectangle is equivalent (within a small margin of error) to the given bounds. The margin of error can be overridden by setting `maxMargin` to a small number. + equals: function (bounds, maxMargin) { + if (!bounds) { return false; } + + bounds = toLatLngBounds(bounds); + + return this._southWest.equals(bounds.getSouthWest(), maxMargin) && + this._northEast.equals(bounds.getNorthEast(), maxMargin); + }, + + // @method isValid(): Boolean + // Returns `true` if the bounds are properly initialized. + isValid: function () { + return !!(this._southWest && this._northEast); + } +}; + +// TODO International date line? + +// @factory L.latLngBounds(corner1: LatLng, corner2: LatLng) +// Creates a `LatLngBounds` object by defining two diagonally opposite corners of the rectangle. + +// @alternative +// @factory L.latLngBounds(latlngs: LatLng[]) +// Creates a `LatLngBounds` object defined by the geographical points it contains. Very useful for zooming the map to fit a particular set of locations with [`fitBounds`](#map-fitbounds). +export function toLatLngBounds(a, b) { + if (a instanceof LatLngBounds) { + return a; + } + return new LatLngBounds(a, b); +} diff --git a/debian/missing-sources/leaflet.js/geo/crs/CRS.EPSG3395.js b/debian/missing-sources/leaflet.js/geo/crs/CRS.EPSG3395.js new file mode 100644 index 0000000..05a2977 --- /dev/null +++ b/debian/missing-sources/leaflet.js/geo/crs/CRS.EPSG3395.js @@ -0,0 +1,20 @@ +import {Earth} from './CRS.Earth'; +import {Mercator} from '../projection/Projection.Mercator'; +import {toTransformation} from '../../geometry/Transformation'; +import * as Util from '../../core/Util'; + +/* + * @namespace CRS + * @crs L.CRS.EPSG3395 + * + * Rarely used by some commercial tile providers. Uses Elliptical Mercator projection. + */ +export var EPSG3395 = Util.extend({}, Earth, { + code: 'EPSG:3395', + projection: Mercator, + + transformation: (function () { + var scale = 0.5 / (Math.PI * Mercator.R); + return toTransformation(scale, 0.5, -scale, 0.5); + }()) +}); diff --git a/debian/missing-sources/leaflet.js/geo/crs/CRS.EPSG3857.js b/debian/missing-sources/leaflet.js/geo/crs/CRS.EPSG3857.js new file mode 100644 index 0000000..d2b4a75 --- /dev/null +++ b/debian/missing-sources/leaflet.js/geo/crs/CRS.EPSG3857.js @@ -0,0 +1,27 @@ +import {Earth} from './CRS.Earth'; +import {SphericalMercator} from '../projection/Projection.SphericalMercator'; +import {toTransformation} from '../../geometry/Transformation'; +import * as Util from '../../core/Util'; + +/* + * @namespace CRS + * @crs L.CRS.EPSG3857 + * + * The most common CRS for online maps, used by almost all free and commercial + * tile providers. Uses Spherical Mercator projection. Set in by default in + * Map's `crs` option. + */ + +export var EPSG3857 = Util.extend({}, Earth, { + code: 'EPSG:3857', + projection: SphericalMercator, + + transformation: (function () { + var scale = 0.5 / (Math.PI * SphericalMercator.R); + return toTransformation(scale, 0.5, -scale, 0.5); + }()) +}); + +export var EPSG900913 = Util.extend({}, EPSG3857, { + code: 'EPSG:900913' +}); diff --git a/debian/missing-sources/leaflet.js/geo/crs/CRS.EPSG4326.js b/debian/missing-sources/leaflet.js/geo/crs/CRS.EPSG4326.js new file mode 100644 index 0000000..55978db --- /dev/null +++ b/debian/missing-sources/leaflet.js/geo/crs/CRS.EPSG4326.js @@ -0,0 +1,23 @@ +import {Earth} from './CRS.Earth'; +import {LonLat} from '../projection/Projection.LonLat'; +import {toTransformation} from '../../geometry/Transformation'; +import * as Util from '../../core/Util'; + +/* + * @namespace CRS + * @crs L.CRS.EPSG4326 + * + * A common CRS among GIS enthusiasts. Uses simple Equirectangular projection. + * + * Leaflet 1.0.x complies with the [TMS coordinate scheme for EPSG:4326](https://wiki.osgeo.org/wiki/Tile_Map_Service_Specification#global-geodetic), + * which is a breaking change from 0.7.x behaviour. If you are using a `TileLayer` + * with this CRS, ensure that there are two 256x256 pixel tiles covering the + * whole earth at zoom level zero, and that the tile coordinate origin is (-180,+90), + * or (-180,-90) for `TileLayer`s with [the `tms` option](#tilelayer-tms) set. + */ + +export var EPSG4326 = Util.extend({}, Earth, { + code: 'EPSG:4326', + projection: LonLat, + transformation: toTransformation(1 / 180, 1, -1 / 180, 0.5) +}); diff --git a/debian/missing-sources/leaflet.js/geo/crs/CRS.Earth.js b/debian/missing-sources/leaflet.js/geo/crs/CRS.Earth.js new file mode 100755 index 0000000..6ecff65 --- /dev/null +++ b/debian/missing-sources/leaflet.js/geo/crs/CRS.Earth.js @@ -0,0 +1,33 @@ +import {CRS} from './CRS'; +import * as Util from '../../core/Util'; + +/* + * @namespace CRS + * @crs L.CRS.Earth + * + * Serves as the base for CRS that are global such that they cover the earth. + * Can only be used as the base for other CRS and cannot be used directly, + * since it does not have a `code`, `projection` or `transformation`. `distance()` returns + * meters. + */ + +export var Earth = Util.extend({}, CRS, { + wrapLng: [-180, 180], + + // Mean Earth Radius, as recommended for use by + // the International Union of Geodesy and Geophysics, + // see http://rosettacode.org/wiki/Haversine_formula + R: 6371000, + + // distance between two geographical points using spherical law of cosines approximation + distance: function (latlng1, latlng2) { + var rad = Math.PI / 180, + lat1 = latlng1.lat * rad, + lat2 = latlng2.lat * rad, + sinDLat = Math.sin((latlng2.lat - latlng1.lat) * rad / 2), + sinDLon = Math.sin((latlng2.lng - latlng1.lng) * rad / 2), + a = sinDLat * sinDLat + Math.cos(lat1) * Math.cos(lat2) * sinDLon * sinDLon, + c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a)); + return this.R * c; + } +}); diff --git a/debian/missing-sources/leaflet.js/geo/crs/CRS.Simple.js b/debian/missing-sources/leaflet.js/geo/crs/CRS.Simple.js new file mode 100644 index 0000000..634baa2 --- /dev/null +++ b/debian/missing-sources/leaflet.js/geo/crs/CRS.Simple.js @@ -0,0 +1,36 @@ +import {CRS} from './CRS'; +import {LonLat} from '../projection/Projection.LonLat'; +import {toTransformation} from '../../geometry/Transformation'; +import * as Util from '../../core/Util'; + +/* + * @namespace CRS + * @crs L.CRS.Simple + * + * A simple CRS that maps longitude and latitude into `x` and `y` directly. + * May be used for maps of flat surfaces (e.g. game maps). Note that the `y` + * axis should still be inverted (going from bottom to top). `distance()` returns + * simple euclidean distance. + */ + +export var Simple = Util.extend({}, CRS, { + projection: LonLat, + transformation: toTransformation(1, 0, -1, 0), + + scale: function (zoom) { + return Math.pow(2, zoom); + }, + + zoom: function (scale) { + return Math.log(scale) / Math.LN2; + }, + + distance: function (latlng1, latlng2) { + var dx = latlng2.lng - latlng1.lng, + dy = latlng2.lat - latlng1.lat; + + return Math.sqrt(dx * dx + dy * dy); + }, + + infinite: true +}); diff --git a/debian/missing-sources/leaflet.js/geo/crs/CRS.js b/debian/missing-sources/leaflet.js/geo/crs/CRS.js new file mode 100644 index 0000000..1c4041c --- /dev/null +++ b/debian/missing-sources/leaflet.js/geo/crs/CRS.js @@ -0,0 +1,139 @@ + +import {Bounds} from '../../geometry/Bounds'; +import {LatLng} from '../LatLng'; +import {LatLngBounds} from '../LatLngBounds'; +import * as Util from '../../core/Util'; + +/* + * @namespace CRS + * @crs L.CRS.Base + * Object that defines coordinate reference systems for projecting + * geographical points into pixel (screen) coordinates and back (and to + * coordinates in other units for [WMS](https://en.wikipedia.org/wiki/Web_Map_Service) services). See + * [spatial reference system](http://en.wikipedia.org/wiki/Coordinate_reference_system). + * + * Leaflet defines the most usual CRSs by default. If you want to use a + * CRS not defined by default, take a look at the + * [Proj4Leaflet](https://github.com/kartena/Proj4Leaflet) plugin. + * + * Note that the CRS instances do not inherit from Leafet's `Class` object, + * and can't be instantiated. Also, new classes can't inherit from them, + * and methods can't be added to them with the `include` function. + */ + +export var CRS = { + // @method latLngToPoint(latlng: LatLng, zoom: Number): Point + // Projects geographical coordinates into pixel coordinates for a given zoom. + latLngToPoint: function (latlng, zoom) { + var projectedPoint = this.projection.project(latlng), + scale = this.scale(zoom); + + return this.transformation._transform(projectedPoint, scale); + }, + + // @method pointToLatLng(point: Point, zoom: Number): LatLng + // The inverse of `latLngToPoint`. Projects pixel coordinates on a given + // zoom into geographical coordinates. + pointToLatLng: function (point, zoom) { + var scale = this.scale(zoom), + untransformedPoint = this.transformation.untransform(point, scale); + + return this.projection.unproject(untransformedPoint); + }, + + // @method project(latlng: LatLng): Point + // Projects geographical coordinates into coordinates in units accepted for + // this CRS (e.g. meters for EPSG:3857, for passing it to WMS services). + project: function (latlng) { + return this.projection.project(latlng); + }, + + // @method unproject(point: Point): LatLng + // Given a projected coordinate returns the corresponding LatLng. + // The inverse of `project`. + unproject: function (point) { + return this.projection.unproject(point); + }, + + // @method scale(zoom: Number): Number + // Returns the scale used when transforming projected coordinates into + // pixel coordinates for a particular zoom. For example, it returns + // `256 * 2^zoom` for Mercator-based CRS. + scale: function (zoom) { + return 256 * Math.pow(2, zoom); + }, + + // @method zoom(scale: Number): Number + // Inverse of `scale()`, returns the zoom level corresponding to a scale + // factor of `scale`. + zoom: function (scale) { + return Math.log(scale / 256) / Math.LN2; + }, + + // @method getProjectedBounds(zoom: Number): Bounds + // Returns the projection's bounds scaled and transformed for the provided `zoom`. + getProjectedBounds: function (zoom) { + if (this.infinite) { return null; } + + var b = this.projection.bounds, + s = this.scale(zoom), + min = this.transformation.transform(b.min, s), + max = this.transformation.transform(b.max, s); + + return new Bounds(min, max); + }, + + // @method distance(latlng1: LatLng, latlng2: LatLng): Number + // Returns the distance between two geographical coordinates. + + // @property code: String + // Standard code name of the CRS passed into WMS services (e.g. `'EPSG:3857'`) + // + // @property wrapLng: Number[] + // An array of two numbers defining whether the longitude (horizontal) coordinate + // axis wraps around a given range and how. Defaults to `[-180, 180]` in most + // geographical CRSs. If `undefined`, the longitude axis does not wrap around. + // + // @property wrapLat: Number[] + // Like `wrapLng`, but for the latitude (vertical) axis. + + // wrapLng: [min, max], + // wrapLat: [min, max], + + // @property infinite: Boolean + // If true, the coordinate space will be unbounded (infinite in both axes) + infinite: false, + + // @method wrapLatLng(latlng: LatLng): LatLng + // Returns a `LatLng` where lat and lng has been wrapped according to the + // CRS's `wrapLat` and `wrapLng` properties, if they are outside the CRS's bounds. + wrapLatLng: function (latlng) { + var lng = this.wrapLng ? Util.wrapNum(latlng.lng, this.wrapLng, true) : latlng.lng, + lat = this.wrapLat ? Util.wrapNum(latlng.lat, this.wrapLat, true) : latlng.lat, + alt = latlng.alt; + + return new LatLng(lat, lng, alt); + }, + + // @method wrapLatLngBounds(bounds: LatLngBounds): LatLngBounds + // Returns a `LatLngBounds` with the same size as the given one, ensuring + // that its center is within the CRS's bounds. + // Only accepts actual `L.LatLngBounds` instances, not arrays. + wrapLatLngBounds: function (bounds) { + var center = bounds.getCenter(), + newCenter = this.wrapLatLng(center), + latShift = center.lat - newCenter.lat, + lngShift = center.lng - newCenter.lng; + + if (latShift === 0 && lngShift === 0) { + return bounds; + } + + var sw = bounds.getSouthWest(), + ne = bounds.getNorthEast(), + newSw = new LatLng(sw.lat - latShift, sw.lng - lngShift), + newNe = new LatLng(ne.lat - latShift, ne.lng - lngShift); + + return new LatLngBounds(newSw, newNe); + } +}; diff --git a/debian/missing-sources/leaflet.js/geo/crs/index.js b/debian/missing-sources/leaflet.js/geo/crs/index.js new file mode 100644 index 0000000..c0370ba --- /dev/null +++ b/debian/missing-sources/leaflet.js/geo/crs/index.js @@ -0,0 +1,15 @@ +import {CRS} from './CRS'; +import {Earth} from './CRS.Earth'; +import {EPSG3395} from './CRS.EPSG3395'; +import {EPSG3857, EPSG900913} from './CRS.EPSG3857'; +import {EPSG4326} from './CRS.EPSG4326'; +import {Simple} from './CRS.Simple'; + +CRS.Earth = Earth; +CRS.EPSG3395 = EPSG3395; +CRS.EPSG3857 = EPSG3857; +CRS.EPSG900913 = EPSG900913; +CRS.EPSG4326 = EPSG4326; +CRS.Simple = Simple; + +export {CRS}; diff --git a/debian/missing-sources/leaflet.js/geo/index.js b/debian/missing-sources/leaflet.js/geo/index.js new file mode 100644 index 0000000..d957914 --- /dev/null +++ b/debian/missing-sources/leaflet.js/geo/index.js @@ -0,0 +1,7 @@ +export {LatLng, toLatLng as latLng} from './LatLng'; +export {LatLngBounds, toLatLngBounds as latLngBounds} from './LatLngBounds'; + +import * as Projection from './projection/index'; +export {Projection}; + +export * from './crs/index'; diff --git a/debian/missing-sources/leaflet.js/geo/projection/Projection.LonLat.js b/debian/missing-sources/leaflet.js/geo/projection/Projection.LonLat.js new file mode 100644 index 0000000..774f66f --- /dev/null +++ b/debian/missing-sources/leaflet.js/geo/projection/Projection.LonLat.js @@ -0,0 +1,28 @@ +import {LatLng} from '../LatLng'; +import {Bounds} from '../../geometry/Bounds'; +import {Point} from '../../geometry/Point'; + +/* + * @namespace Projection + * @section + * Leaflet comes with a set of already defined Projections out of the box: + * + * @projection L.Projection.LonLat + * + * Equirectangular, or Plate Carree projection — the most simple projection, + * mostly used by GIS enthusiasts. Directly maps `x` as longitude, and `y` as + * latitude. Also suitable for flat worlds, e.g. game maps. Used by the + * `EPSG:4326` and `Simple` CRS. + */ + +export var LonLat = { + project: function (latlng) { + return new Point(latlng.lng, latlng.lat); + }, + + unproject: function (point) { + return new LatLng(point.y, point.x); + }, + + bounds: new Bounds([-180, -90], [180, 90]) +}; diff --git a/debian/missing-sources/leaflet.js/geo/projection/Projection.Mercator.js b/debian/missing-sources/leaflet.js/geo/projection/Projection.Mercator.js new file mode 100644 index 0000000..00ab52a --- /dev/null +++ b/debian/missing-sources/leaflet.js/geo/projection/Projection.Mercator.js @@ -0,0 +1,49 @@ +import {LatLng} from '../LatLng'; +import {Bounds} from '../../geometry/Bounds'; +import {Point} from '../../geometry/Point'; + +/* + * @namespace Projection + * @projection L.Projection.Mercator + * + * Elliptical Mercator projection — more complex than Spherical Mercator. Takes into account that Earth is a geoid, not a perfect sphere. Used by the EPSG:3395 CRS. + */ + +export var Mercator = { + R: 6378137, + R_MINOR: 6356752.314245179, + + bounds: new Bounds([-20037508.34279, -15496570.73972], [20037508.34279, 18764656.23138]), + + project: function (latlng) { + var d = Math.PI / 180, + r = this.R, + y = latlng.lat * d, + tmp = this.R_MINOR / r, + e = Math.sqrt(1 - tmp * tmp), + con = e * Math.sin(y); + + var ts = Math.tan(Math.PI / 4 - y / 2) / Math.pow((1 - con) / (1 + con), e / 2); + y = -r * Math.log(Math.max(ts, 1E-10)); + + return new Point(latlng.lng * d * r, y); + }, + + unproject: function (point) { + var d = 180 / Math.PI, + r = this.R, + tmp = this.R_MINOR / r, + e = Math.sqrt(1 - tmp * tmp), + ts = Math.exp(-point.y / r), + phi = Math.PI / 2 - 2 * Math.atan(ts); + + for (var i = 0, dphi = 0.1, con; i < 15 && Math.abs(dphi) > 1e-7; i++) { + con = e * Math.sin(phi); + con = Math.pow((1 - con) / (1 + con), e / 2); + dphi = Math.PI / 2 - 2 * Math.atan(ts * con) - phi; + phi += dphi; + } + + return new LatLng(phi * d, point.x * d / r); + } +}; diff --git a/debian/missing-sources/leaflet.js/geo/projection/Projection.SphericalMercator.js b/debian/missing-sources/leaflet.js/geo/projection/Projection.SphericalMercator.js new file mode 100644 index 0000000..b6f6539 --- /dev/null +++ b/debian/missing-sources/leaflet.js/geo/projection/Projection.SphericalMercator.js @@ -0,0 +1,42 @@ +import {LatLng} from '../LatLng'; +import {Bounds} from '../../geometry/Bounds'; +import {Point} from '../../geometry/Point'; + +/* + * @namespace Projection + * @projection L.Projection.SphericalMercator + * + * Spherical Mercator projection — the most common projection for online maps, + * used by almost all free and commercial tile providers. Assumes that Earth is + * a sphere. Used by the `EPSG:3857` CRS. + */ + +export var SphericalMercator = { + + R: 6378137, + MAX_LATITUDE: 85.0511287798, + + project: function (latlng) { + var d = Math.PI / 180, + max = this.MAX_LATITUDE, + lat = Math.max(Math.min(max, latlng.lat), -max), + sin = Math.sin(lat * d); + + return new Point( + this.R * latlng.lng * d, + this.R * Math.log((1 + sin) / (1 - sin)) / 2); + }, + + unproject: function (point) { + var d = 180 / Math.PI; + + return new LatLng( + (2 * Math.atan(Math.exp(point.y / this.R)) - (Math.PI / 2)) * d, + point.x * d / this.R); + }, + + bounds: (function () { + var d = 6378137 * Math.PI; + return new Bounds([-d, -d], [d, d]); + })() +}; diff --git a/debian/missing-sources/leaflet.js/geo/projection/index.js b/debian/missing-sources/leaflet.js/geo/projection/index.js new file mode 100644 index 0000000..feee601 --- /dev/null +++ b/debian/missing-sources/leaflet.js/geo/projection/index.js @@ -0,0 +1,26 @@ +/* + * @class Projection + + * An object with methods for projecting geographical coordinates of the world onto + * a flat surface (and back). See [Map projection](http://en.wikipedia.org/wiki/Map_projection). + + * @property bounds: Bounds + * The bounds (specified in CRS units) where the projection is valid + + * @method project(latlng: LatLng): Point + * Projects geographical coordinates into a 2D point. + * Only accepts actual `L.LatLng` instances, not arrays. + + * @method unproject(point: Point): LatLng + * The inverse of `project`. Projects a 2D point into a geographical location. + * Only accepts actual `L.Point` instances, not arrays. + + * Note that the projection instances do not inherit from Leafet's `Class` object, + * and can't be instantiated. Also, new classes can't inherit from them, + * and methods can't be added to them with the `include` function. + + */ + +export {LonLat} from './Projection.LonLat'; +export {Mercator} from './Projection.Mercator'; +export {SphericalMercator} from './Projection.SphericalMercator'; -- cgit v1.2.3