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global-mercator

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global-mercator - npm Package Compare versions

Comparing version

0.1.7
to
0.2.0

.nyc_output/7d068864ed8440fd791107939adeb7ea.json
.nyc_output/d368fb59057c514fdf4c6b1555b4a221.json
API.md
documentation.yml
HEADER.md

337

index.js

@@ -10,3 +10,3 @@ "use strict";

/**
* Converts given lat/lon in WGS84 Datum to XY in Spherical Mercator EPSG:900913
* Converts {LatLng} coordinates to {Meters} coordinates.
*

@@ -16,7 +16,7 @@ * @name latLngToMeters

* @param {number} lng
* @param {number} zoom (Optional)
* @param {number} [zoom]
* @returns {Meters}
* @example
* latLngToMeters({lat: 45, lng: 90})
* //=> Meters { mx: 10018754.171394622, my: 5621521.486192067 }
* latLngToMeters({lat: 37, lng: 126})
* //= Meters { mx: 14026255.83995247, my: 4439106.787250587 }
*/

@@ -28,3 +28,3 @@ function latLngToMeters(init) {

/**
* Converts XY point from Spherical Mercator EPSG:900913 to lat/lng in WGS84 Datum
* Converts {Meters} coordinates to {LatLng} coordinates.
*

@@ -34,7 +34,7 @@ * @name metersToLatLng

* @param {number} my
* @param {number} zoom (Optional)
* @param {number} [zoom]
* @returns {LatLng}
* @example
* metersToLatLng({mx: 10000000, my: 5500000})
* //=> LatLng { lat: 44.2228902348575, lng: 89.83152841195214 }
* metersToLatLng({ mx: 14026255, my: 4439106 })
* //= LatLng { lat: 36.99999435205559, lng: 125.99999245457859 }
*/

@@ -46,3 +46,3 @@ function metersToLatLng(init) {

/**
* Converts EPSG:900913 to pyramid pixel coordinates in given zoom level
* Converts {Meters} coordinates to {Pixels}.
*

@@ -55,4 +55,4 @@ * @name metersToPixels

* @example
* metersToPixels({mx: 10000000, my: 5500000, zoom: 13})
* //=> Pixels { px: 1571882.5818671728, py: 1336394.6200269451, zoom: 13 }
* metersToPixels({ mx: 14026255, my: 4439106, zoom: 13 })
* //= Pixels { px: 1782579.1560447346, py: 1280877.3387406059, zoom: 13 }
*/

@@ -64,3 +64,3 @@ function metersToPixels(init) {

/**
* Returns Tile for given latlng coordinates
* Converts {LatLng} coordinates to TMS {Tile}.
*

@@ -71,6 +71,6 @@ * @name latLngToTile

* @param {number} zoom
* @returns {Tile}
* @returns {Tile} TMS Tile
* @example
* latLngToTile({lat: 45, lng: 90, zoom: 5})
* //=> Tile { tx: 23, ty: 20, zoom: 5 }
* latLngToTile({lat: 37, lng: 126, zoom: 13 })
* //= Tile { tx: 6963, ty: 5003, zoom: 13 }
*/

@@ -82,3 +82,3 @@ function latLngToTile(init) {

/**
* Returns Google Tile for given latlng coordinates
* Converts {LatLng} coordinates to {Google} (XYZ) Tile.
*

@@ -90,4 +90,4 @@ * @name latLngToGoogle

* @example
* latLngToGoogle({lat: 45, lng: 90, zoom: 5})
* //=> Google { x: 23, y: 11, zoom: 5 }
* latLngToGoogle({lat: 37, lng: 126, zoom: 13 })
* //= Google { x: 6963, y: 3188, zoom: 13 }
*/

@@ -99,3 +99,3 @@ function latLngToGoogle(init) {

/**
* Returns Tile for given mercator coordinates
* Converts {Meters} coordinates to TMS {Tile}.
*

@@ -105,6 +105,6 @@ * @name metersToTile

* @param {number} my
* @returns {Tile}
* @returns {Tile} TMS Tile
* @example
* metersToTile({mx: 10000000, my: 5500000, zoom: 5})
* //=> Tile { tx: 23, ty: 20, zoom: 5 }
* metersToTile({ mx: 14026255, my: 4439106, zoom: 13 })
* //= Tile { tx: 6963, ty: 5003, zoom: 13 }
*/

@@ -116,3 +116,3 @@ function metersToTile(init) {

/**
* Converts pixel coordinates in given zoom level of pyramid to EPSG:900913
* Converts {Pixels} coordinates to {Meters} coordinates.
*

@@ -124,2 +124,5 @@ * @name pixelsToMeters

* @returns {Meters}
* @example
* pixelsToMeters({ px: 1782579, py: 1280877, zoom: 13 })
* //= Meters { mx: 14026252.018101055, my: 4439099.526918683, zoom: 13 }
*/

@@ -131,3 +134,3 @@ function pixelsToMeters(init) {

/**
* Returns a Tile covering region in given pixel coordinates
* Converts {Pixels} coordinates to TMS {Tile}.
*

@@ -138,3 +141,6 @@ * @name pixelsToTile

* @param {number} zoom
* @returns {Tile}
* @returns {Tile} TMS Tile
* @example
* pixelsToTile({ px: 1782579, py: 1280877, zoom: 13 })
* //= Tile { tx: 6963, ty: 5003, zoom: 13 }
*/

@@ -146,3 +152,3 @@ function pixelsToTile(init) {

/**
* Returns bounds of the given Tile in EPSG:900913 coordinates
* Converts TMS {Tile} to bounds in {Meters} coordinates.
*

@@ -153,3 +159,6 @@ * @name tileBounds

* @param {number} zoom
* @returns {Array<number>} bbox extent in [minX, minY, maxX, maxY] order
* @returns {Array<number>} {bbox} extent in [minX, minY, maxX, maxY] order
* @example
* tileBounds({ tx: 6963, ty: 5003, zoom: 13 })
* //= [ 14025277.445990417, 4437016.617897913, 14030169.415800672, 4441908.587708164 ]
*/

@@ -161,16 +170,19 @@ function tileBounds(init) {

/**
* Returns bounds of the given Tile in EPSG:900913 coordinates
* Converts TMS {Tile} to bounds in {LatLng} coordinates.
*
* @name tileLatLonBounds
* @name tileLatLngBounds
* @param {number} tx
* @param {number} ty
* @param {number} zoom
* @returns {Array<number>} bbox extent in [minX, minY, maxX, maxY] order
* @returns {Array<number>} {bbox} extent in [minX, minY, maxX, maxY] order
* @example
* tileLatLngBounds({ tx: 6963, ty: 5003, zoom: 13 })
* //= [ 125.99121093749999, 36.98500309285596, 126.03515625, 37.020098201368135 ]
*/
function tileLatLonBounds(init) {
return mercator.tileLatLonBounds(init);
function tileLatLngBounds(init) {
return mercator.tileLatLngBounds(init);
}
exports.tileLatLonBounds = tileLatLonBounds;
exports.tileLatLngBounds = tileLatLngBounds;
/**
* Converts Google Tile system in Mercator bounds (Meters)
* Converts {Google} (XYZ) Tile to bounds in {Meters} coordinates.
*

@@ -181,3 +193,6 @@ * @name googleBounds

* @param {number} zoom
* @returns {Array<number>} bbox extent in [minX, minY, maxX, maxY] order
* @returns {Array<number>} {bbox} extent in [minX, minY, maxX, maxY] order
* @example
* googleBounds({ x: 6963, y: 3188, zoom: 13 })
* //= [ 14025277.445990417, 4437016.617897913, 14030169.415800672, 4441908.587708164 ]
*/

@@ -189,16 +204,19 @@ function googleBounds(init) {

/**
* Converts Google Tile system in LatLng bounds (degrees)
* Converts {Google} (XYZ) Tile to bounds in {LatLng} coordinates.
*
* @name googleLatLonBounds
* @name googleLatLngBounds
* @param {number} x
* @param {number} y
* @param {number} zoom
* @returns {Array<number>} bbox extent in [minX, minY, maxX, maxY] order
* @returns {Array<number>} {bbox} extent in [minX, minY, maxX, maxY] order
* @example
* googleLatLngBounds({ x: 6963, y: 3188, zoom: 13 })
* //= [ 125.99121093749999, 36.98500309285596, 126.03515625, 37.020098201368135 ]
*/
function googleLatLonBounds(init) {
return mercator.googleLatLonBounds(init);
function googleLatLngBounds(init) {
return mercator.googleLatLngBounds(init);
}
exports.googleLatLonBounds = googleLatLonBounds;
exports.googleLatLngBounds = googleLatLngBounds;
/**
* Converts TMS Tile coordinates to Google Tile coordinates
* Converts TMS {Tile} to {Google} (XYZ) Tile.
*

@@ -209,3 +227,6 @@ * @name tileGoogle

* @param {number} zoom
* @returns {Array<number>} bbox extent in [minX, minY, maxX, maxY] order
* @returns {Array<number>} {bbox} extent in [minX, minY, maxX, maxY] order
* @example
* tileGoogle({ tx: 6963, ty: 5003, zoom: 13 })
* //= Google { x: 6963, y: 3188, zoom: 13 }
*/

@@ -217,3 +238,3 @@ function tileGoogle(init) {

/**
* Converts Google Tile coordinates to TMS Tile coordinates
* Converts {Google} (XYZ) Tile to TMS {Tile}.
*

@@ -224,3 +245,6 @@ * @name googleTile

* @param {number} zoom
* @returns {Tile}
* @returns {Tile} TMS Tile
* @example
* googleTile({ x: 6963, y: 3188, zoom: 13 })
* //= Tile { tx: 6963, ty: 5003, zoom: 13 }
*/

@@ -232,84 +256,88 @@ function googleTile(init) {

/**
* Converts Google Tile coordinates to Microsoft QuadKey
* Converts {Google} (XYZ) Tile to {Quadkey}.
*
* @name googleQuadKey
* @name googleQuadkey
* @param {number} x
* @param {number} y
* @param {number} zoom
* @returns {quadkey}
* @returns {string} Quadkey
* @example
* googleQuadkey({ x: 6963, y: 3188, zoom: 13 })
* //= '1321102330211'
*/
function googleQuadKey(init) {
return mercator.googleQuadKey(init);
function googleQuadkey(init) {
return mercator.googleQuadkey(init);
}
exports.googleQuadKey = googleQuadKey;
exports.googleQuadkey = googleQuadkey;
/**
* Converts TMS Tile coordinates to Microsoft QuadKey
* Converts TMS {Tile} to {QuadKey}.
*
* @name tileQuadKey
* @name tileQuadkey
* @param {number} tx
* @param {number} ty
* @param {number} zoom
* @returns {quadkey}
* @returns {string} Quadkey
* @example
* tileQuadkey({ tx: 6963, ty: 5003, zoom: 13 })
* //= '1321102330211'
*/
function tileQuadKey(init) {
return mercator.tileQuadKey(init);
function tileQuadkey(init) {
return mercator.tileQuadkey(init);
}
exports.tileQuadKey = tileQuadKey;
exports.tileQuadkey = tileQuadkey;
/**
* Converts QuadKey to TMS Tile coordinates
* Converts {Quadkey} to TMS {Tile}.
*
* @name quadKeyTile
* @name quadkeyTile
* @param {string} quadkey
* @returns {Tile}
* @returns {Tile} TMS Tile
* @example
* quadkeyTile('1321102330211')
* //= Tile { tx: 6963, ty: 5003, zoom: 13 }
*/
function quadKeyTile(quadkey) {
return mercator.quadKeyTile(quadkey);
function quadkeyTile(quadkey) {
return mercator.quadkeyTile(quadkey);
}
exports.quadKeyTile = quadKeyTile;
exports.quadkeyTile = quadkeyTile;
/**
* Converts QuadKey to Google Tile
* Converts {Quadkey} to {Google} (XYZ) Tile.
*
* @name quadKeyGoogle
* @name quadkeyGoogle
* @param {string} quadkey
* @returns {Google}
* @example
* quadkeyGoogle('1321102330211')
* //= Google { x: 6963, y: 3188, zoom: 13 }
*/
function quadKeyGoogle(quadkey) {
return mercator.quadKeyGoogle(quadkey);
function quadkeyGoogle(quadkey) {
return mercator.quadkeyGoogle(quadkey);
}
exports.quadKeyGoogle = quadKeyGoogle;
exports.quadkeyGoogle = quadkeyGoogle;
/**
* Converts bounds from LatLng to Meters
* Converts {bbox} from {LatLng} coordinates to {Meters} coordinates
*
* @name boundsLatLngToMeters
* @param {Array<number>} bbox extent in [minX, minY, maxX, maxY] order
* @returns {Array<number>} bounds
*/
function boundsLatLngToMeters(bounds) {
return mercator.boundsLatLngToMeters(bounds);
}
exports.boundsLatLngToMeters = boundsLatLngToMeters;
/**
* Validate Undefined
* @name validateUndefined
* @param {string} name
* @param {Object} items
* @name bboxLatLngToMeters
* @param {Array<number>} {bbox} extent in [minX, minY, maxX, maxY] order
* @returns {Array<number>} {bbox}
* @example
* validateUndefined('Meters', Object)
* bboxLatLngToMeters([ 125, 35, 127, 37 ])
* //= [ 13914936.349159198, 4163881.1440642904, 14137575.330745745, 4439106.787250587 ]
*/
function validateUndefined(items, name) {
for (let key of lodash_1.keys(items)) {
if (lodash_1.isUndefined(items[key])) {
const message = (name) ? `${name} <${key}> is required` : `<${key}> is required`;
exports.debug.error(message);
throw new Error(message);
}
}
function bboxLatLngToMeters(bbox) {
return mercator.bboxLatLngToMeters(bbox);
}
exports.validateUndefined = validateUndefined;
exports.bboxLatLngToMeters = bboxLatLngToMeters;
/**
* Validates Tile
* @name validateTile
* Validates TMS {Tile}.
* @param {number} tx
* @param {number} ty
* @param {number} zoom
* @param {string} [name=Tile] - name used for debugging message
* @throw Will throw an error if TMS {Tile} is not valid.
* @return {Object} TMS Tile
* @example
* const tile = validateTile({tx: 60, ty: 80, zoom: 5})
* validateTile({tx: 60, ty: 80, zoom: 5})
* //= {tx: 60, ty: 80, zoom: 5}
* validateTile({tx: 60, ty: -43, zoom: 5})
* //= Error: Tile <ty> must not be less than 0
*/

@@ -333,7 +361,14 @@ function validateTile(init, name = 'Tile') {

/**
* Validates Zoom
* Validates {Zoom} level.
* @name validateZoom
* @param {number} Zoom level
* @throw Will throw an error if zoom is not valid.
* @return {number} Zoom level
* @example
* const zoom = validateZoom(12)
* validateZoom(12)
* //= 12
* validateZoom(-4)
* //= Error: <zoom> cannot be less than 1
* validateZoom(30)
* //= Error: <zoom> cannot be greater than 23
*/

@@ -355,6 +390,9 @@ function validateZoom(zoom, name) {

/**
* Validates Pixels
* Validates {Pixels} coordinates.
* @name validatePixels
* @param {Array<number>} Pixels coordinates
* @throw Will throw an error if {Pixels} is not valid.
* @return {Array<number>} Pixels coordinates
* @example
* const pixels = validatePixels([-115, 44])
* validatePixels([-115, 44])
* //= [-115, 44]

@@ -383,6 +421,9 @@ */

/**
* Validates Meters
* Validates {Meters} coordinates.
* @name validateMeters
* @param {Array<number>} Meters coordinates
* @throw Will throw an error if {Meters} is not valid.
* @return {Array<number>} Meters coordinates
* @example
* const meters = validateMeters([-115, 44])
* validateMeters([-115, 44])
* //= [-115, 44]

@@ -423,4 +464,7 @@ */

/**
* Validates LatLng
* Validates {LatLng} coordinates.
* @name validateLatLng
* @param {Array<number>} LatLng coordinates
* @throw Will throw an error if {LatLng} is not valid.
* @return {Array<number>} LatLng coordinates
* @example

@@ -436,4 +480,7 @@ * validateLatLng([-115, 44])

/**
* Validates LngLat
* Validates {LngLat} coordinates.
* @name validateLngLat
* @param {Array<number>} LngLat coordinates
* @throw Will throw an error if {LngLat} is not valid.
* @return {Array<number>} LngLat coordinates
* @example

@@ -474,7 +521,12 @@ * validateLngLat([-115, 44])

/**
* Validates bounds
* Validates bounds.
* @name bounds
* @param {Array<number>} bounds
* @throw Will throw an error if bounds is not valid.
* @returns {Array<number} bounds
* @example
* const bounds = validateBounds([ -75, 44, -74, 45 ])
* validateBounds([ -75, 44, -74, 45 ])
* //= [ -75, 44, -74, 45 ]
* validateBounds([ -75, 44, -74 ])
* //= Error: [bounds] must be an Array of 4 numbers
*/

@@ -490,2 +542,26 @@ function validateBounds(init) {

exports.validateBounds = validateBounds;
/**
* Assert undefined items within object.
* @name assertUndefined
* @param {Object} items
* @param {string} [name] - name used for debugging message
* @throw Will throw an error if any item in Object is undefined.
* @returns {Object} items
* @example
* assertUndefined({foo: 'bar'})
* //= {foo: 'bar'}
* assertUndefined({foo: undefined})
* //= Error: <foo> is required
*/
function assertUndefined(items, name) {
for (let key of lodash_1.keys(items)) {
if (lodash_1.isUndefined(items[key])) {
const message = (name) ? `${name} <${key}> is required` : `<${key}> is required`;
exports.debug.error(message);
throw new Error(message);
}
}
return items;
}
exports.assertUndefined = assertUndefined;
class Google {

@@ -497,3 +573,3 @@ constructor(init) {

this.zoom = zoom;
validateUndefined(this, 'Google');
assertUndefined(this, 'Google');
}

@@ -508,3 +584,3 @@ }

this.zoom = zoom;
validateUndefined(this, 'Tile');
assertUndefined(this, 'Tile');
validateTile(this);

@@ -522,3 +598,3 @@ }

}
validateUndefined(this, 'Pixels');
assertUndefined(this, 'Pixels');
validatePixels([px, py]);

@@ -536,3 +612,3 @@ }

}
validateUndefined(this, 'Meters');
assertUndefined(this, 'Meters');
validateMeters([mx, my]);

@@ -550,3 +626,3 @@ }

}
validateUndefined(this, 'LatLng');
assertUndefined(this, 'LatLng');
validateLatLng([lat, lng]);

@@ -559,3 +635,3 @@ }

this.name = 'GlobalMercator';
this.boundsLatLngToMeters = (bounds) => {
this.bboxLatLngToMeters = (bounds) => {
const min = this.latLngToMeters({ lat: bounds[1], lng: bounds[0] });

@@ -645,3 +721,3 @@ const max = this.latLngToMeters({ lat: bounds[3], lng: bounds[2] });

}
tileLatLonBounds(init) {
tileLatLngBounds(init) {
if (init.zoom === 0) {

@@ -660,5 +736,5 @@ return [-180, -85.05112877980659, 180, 85.05112877980659];

}
googleLatLonBounds(init) {
googleLatLngBounds(init) {
const Tile = this.googleTile(init);
return this.tileLatLonBounds(Tile);
return this.tileLatLngBounds(Tile);
}

@@ -680,8 +756,8 @@ tileGoogle(init) {

}
googleQuadKey(init) {
googleQuadkey(init) {
const Tile = this.googleTile(init);
return this.tileQuadKey(Tile);
return this.tileQuadkey(Tile);
}
tileQuadKey(init) {
// Zoom 0 does not exist for QuadKey
tileQuadkey(init) {
// Zoom 0 does not exist for Quadkey
if (init.zoom === 0) {

@@ -706,7 +782,7 @@ return '';

}
quadKeyTile(quadkey) {
const Google = this.quadKeyGoogle(quadkey);
quadkeyTile(quadkey) {
const Google = this.quadkeyGoogle(quadkey);
return this.googleTile(Google);
}
quadKeyGoogle(quadkey) {
quadkeyGoogle(quadkey) {
let x = 0;

@@ -731,3 +807,3 @@ let y = 0;

default:
throw new Error('Invalid QuadKey digit sequence');
throw new Error('Invalid Quadkey digit sequence');
}

@@ -749,14 +825,14 @@ });

tileBounds: tileBounds,
tileLatLonBounds: tileLatLonBounds,
tileLatLngBounds: tileLatLngBounds,
tileGoogle: tileGoogle,
tileQuadKey: tileQuadKey,
quadKeyGoogle: quadKeyGoogle,
quadKeyTile: quadKeyTile,
tileQuadkey: tileQuadkey,
quadkeyGoogle: quadkeyGoogle,
quadkeyTile: quadkeyTile,
googleBounds: googleBounds,
googleLatLonBounds: googleLatLonBounds,
googleQuadKey: googleQuadKey,
googleLatLngBounds: googleLatLngBounds,
googleQuadkey: googleQuadkey,
};
/* istanbul ignore next */
if (require.main === module) {
// const bounds = boundsLatLngToMeters([ -75.01464843750001, 44.99588261816546, -74.97070312499999, 45.02695045318546 ])
// const bounds = bboxLatLngToMeters([ -75.01464843750001, 44.99588261816546, -74.97070312499999, 45.02695045318546 ])
// console.log(bounds)

@@ -772,3 +848,3 @@ // const meters = pixelsToMeters({ px: 611669, py: 1342753, zoom: 13 })

// validatePixels([200000, 150000, 1])
// validateUndefined({x: null})
// assertUndefined({x: null})
// console.log(metersToLatLng({mx: 10018754.171394622, my: 5621521.486192067}))

@@ -778,3 +854,4 @@ // console.log(metersToPixels({mx: 10000000, my: 5500000, zoom: 13}))

console.log(latLngToMeters({ lat: 23, lng: 23 }));
console.log(validateBounds([-75, 44, -74]));
}
//# sourceMappingURL=index.js.map

323

index.ts

@@ -42,3 +42,3 @@ import * as Debug from 'debug'

/**
* Converts given lat/lon in WGS84 Datum to XY in Spherical Mercator EPSG:900913
* Converts {LatLng} coordinates to {Meters} coordinates.
*

@@ -48,7 +48,7 @@ * @name latLngToMeters

* @param {number} lng
* @param {number} zoom (Optional)
* @param {number} [zoom]
* @returns {Meters}
* @example
* latLngToMeters({lat: 45, lng: 90})
* //=> Meters { mx: 10018754.171394622, my: 5621521.486192067 }
* latLngToMeters({lat: 37, lng: 126})
* //= Meters { mx: 14026255.83995247, my: 4439106.787250587 }
*/

@@ -60,3 +60,3 @@ export function latLngToMeters(init: InterfaceLatLng) {

/**
* Converts XY point from Spherical Mercator EPSG:900913 to lat/lng in WGS84 Datum
* Converts {Meters} coordinates to {LatLng} coordinates.
*

@@ -66,7 +66,7 @@ * @name metersToLatLng

* @param {number} my
* @param {number} zoom (Optional)
* @param {number} [zoom]
* @returns {LatLng}
* @example
* metersToLatLng({mx: 10000000, my: 5500000})
* //=> LatLng { lat: 44.2228902348575, lng: 89.83152841195214 }
* metersToLatLng({ mx: 14026255, my: 4439106 })
* //= LatLng { lat: 36.99999435205559, lng: 125.99999245457859 }
*/

@@ -78,3 +78,3 @@ export function metersToLatLng(init: InterfaceMeters) {

/**
* Converts EPSG:900913 to pyramid pixel coordinates in given zoom level
* Converts {Meters} coordinates to {Pixels}.
*

@@ -87,4 +87,4 @@ * @name metersToPixels

* @example
* metersToPixels({mx: 10000000, my: 5500000, zoom: 13})
* //=> Pixels { px: 1571882.5818671728, py: 1336394.6200269451, zoom: 13 }
* metersToPixels({ mx: 14026255, my: 4439106, zoom: 13 })
* //= Pixels { px: 1782579.1560447346, py: 1280877.3387406059, zoom: 13 }
*/

@@ -96,3 +96,3 @@ export function metersToPixels(init: InterfaceMeters) {

/**
* Returns Tile for given latlng coordinates
* Converts {LatLng} coordinates to TMS {Tile}.
*

@@ -103,6 +103,6 @@ * @name latLngToTile

* @param {number} zoom
* @returns {Tile}
* @returns {Tile} TMS Tile
* @example
* latLngToTile({lat: 45, lng: 90, zoom: 5})
* //=> Tile { tx: 23, ty: 20, zoom: 5 }
* latLngToTile({lat: 37, lng: 126, zoom: 13 })
* //= Tile { tx: 6963, ty: 5003, zoom: 13 }
*/

@@ -114,3 +114,3 @@ export function latLngToTile(init: InterfaceLatLng) {

/**
* Returns Google Tile for given latlng coordinates
* Converts {LatLng} coordinates to {Google} (XYZ) Tile.
*

@@ -122,4 +122,4 @@ * @name latLngToGoogle

* @example
* latLngToGoogle({lat: 45, lng: 90, zoom: 5})
* //=> Google { x: 23, y: 11, zoom: 5 }
* latLngToGoogle({lat: 37, lng: 126, zoom: 13 })
* //= Google { x: 6963, y: 3188, zoom: 13 }
*/

@@ -131,3 +131,3 @@ export function latLngToGoogle(init: InterfaceLatLng) {

/**
* Returns Tile for given mercator coordinates
* Converts {Meters} coordinates to TMS {Tile}.
*

@@ -137,6 +137,6 @@ * @name metersToTile

* @param {number} my
* @returns {Tile}
* @returns {Tile} TMS Tile
* @example
* metersToTile({mx: 10000000, my: 5500000, zoom: 5})
* //=> Tile { tx: 23, ty: 20, zoom: 5 }
* metersToTile({ mx: 14026255, my: 4439106, zoom: 13 })
* //= Tile { tx: 6963, ty: 5003, zoom: 13 }
*/

@@ -148,3 +148,3 @@ export function metersToTile(init: Meters) {

/**
* Converts pixel coordinates in given zoom level of pyramid to EPSG:900913
* Converts {Pixels} coordinates to {Meters} coordinates.
*

@@ -156,2 +156,5 @@ * @name pixelsToMeters

* @returns {Meters}
* @example
* pixelsToMeters({ px: 1782579, py: 1280877, zoom: 13 })
* //= Meters { mx: 14026252.018101055, my: 4439099.526918683, zoom: 13 }
*/

@@ -163,3 +166,3 @@ export function pixelsToMeters(init: Pixels) {

/**
* Returns a Tile covering region in given pixel coordinates
* Converts {Pixels} coordinates to TMS {Tile}.
*

@@ -170,3 +173,6 @@ * @name pixelsToTile

* @param {number} zoom
* @returns {Tile}
* @returns {Tile} TMS Tile
* @example
* pixelsToTile({ px: 1782579, py: 1280877, zoom: 13 })
* //= Tile { tx: 6963, ty: 5003, zoom: 13 }
*/

@@ -178,3 +184,3 @@ export function pixelsToTile(init: Pixels) {

/**
* Returns bounds of the given Tile in EPSG:900913 coordinates
* Converts TMS {Tile} to bounds in {Meters} coordinates.
*

@@ -185,3 +191,6 @@ * @name tileBounds

* @param {number} zoom
* @returns {Array<number>} bbox extent in [minX, minY, maxX, maxY] order
* @returns {Array<number>} {bbox} extent in [minX, minY, maxX, maxY] order
* @example
* tileBounds({ tx: 6963, ty: 5003, zoom: 13 })
* //= [ 14025277.445990417, 4437016.617897913, 14030169.415800672, 4441908.587708164 ]
*/

@@ -193,16 +202,19 @@ export function tileBounds(init: Tile) {

/**
* Returns bounds of the given Tile in EPSG:900913 coordinates
* Converts TMS {Tile} to bounds in {LatLng} coordinates.
*
* @name tileLatLonBounds
* @name tileLatLngBounds
* @param {number} tx
* @param {number} ty
* @param {number} zoom
* @returns {Array<number>} bbox extent in [minX, minY, maxX, maxY] order
* @returns {Array<number>} {bbox} extent in [minX, minY, maxX, maxY] order
* @example
* tileLatLngBounds({ tx: 6963, ty: 5003, zoom: 13 })
* //= [ 125.99121093749999, 36.98500309285596, 126.03515625, 37.020098201368135 ]
*/
export function tileLatLonBounds(init: Tile) {
return mercator.tileLatLonBounds(init)
export function tileLatLngBounds(init: Tile) {
return mercator.tileLatLngBounds(init)
}
/**
* Converts Google Tile system in Mercator bounds (Meters)
* Converts {Google} (XYZ) Tile to bounds in {Meters} coordinates.
*

@@ -213,3 +225,6 @@ * @name googleBounds

* @param {number} zoom
* @returns {Array<number>} bbox extent in [minX, minY, maxX, maxY] order
* @returns {Array<number>} {bbox} extent in [minX, minY, maxX, maxY] order
* @example
* googleBounds({ x: 6963, y: 3188, zoom: 13 })
* //= [ 14025277.445990417, 4437016.617897913, 14030169.415800672, 4441908.587708164 ]
*/

@@ -221,16 +236,19 @@ export function googleBounds(init: Google) {

/**
* Converts Google Tile system in LatLng bounds (degrees)
* Converts {Google} (XYZ) Tile to bounds in {LatLng} coordinates.
*
* @name googleLatLonBounds
* @name googleLatLngBounds
* @param {number} x
* @param {number} y
* @param {number} zoom
* @returns {Array<number>} bbox extent in [minX, minY, maxX, maxY] order
* @returns {Array<number>} {bbox} extent in [minX, minY, maxX, maxY] order
* @example
* googleLatLngBounds({ x: 6963, y: 3188, zoom: 13 })
* //= [ 125.99121093749999, 36.98500309285596, 126.03515625, 37.020098201368135 ]
*/
export function googleLatLonBounds(init: Google) {
return mercator.googleLatLonBounds(init)
export function googleLatLngBounds(init: Google) {
return mercator.googleLatLngBounds(init)
}
/**
* Converts TMS Tile coordinates to Google Tile coordinates
* Converts TMS {Tile} to {Google} (XYZ) Tile.
*

@@ -241,3 +259,6 @@ * @name tileGoogle

* @param {number} zoom
* @returns {Array<number>} bbox extent in [minX, minY, maxX, maxY] order
* @returns {Array<number>} {bbox} extent in [minX, minY, maxX, maxY] order
* @example
* tileGoogle({ tx: 6963, ty: 5003, zoom: 13 })
* //= Google { x: 6963, y: 3188, zoom: 13 }
*/

@@ -249,3 +270,3 @@ export function tileGoogle(init: Tile) {

/**
* Converts Google Tile coordinates to TMS Tile coordinates
* Converts {Google} (XYZ) Tile to TMS {Tile}.
*

@@ -256,3 +277,6 @@ * @name googleTile

* @param {number} zoom
* @returns {Tile}
* @returns {Tile} TMS Tile
* @example
* googleTile({ x: 6963, y: 3188, zoom: 13 })
* //= Tile { tx: 6963, ty: 5003, zoom: 13 }
*/

@@ -264,84 +288,88 @@ export function googleTile(init: Google) {

/**
* Converts Google Tile coordinates to Microsoft QuadKey
* Converts {Google} (XYZ) Tile to {Quadkey}.
*
* @name googleQuadKey
* @name googleQuadkey
* @param {number} x
* @param {number} y
* @param {number} zoom
* @returns {quadkey}
* @returns {string} Quadkey
* @example
* googleQuadkey({ x: 6963, y: 3188, zoom: 13 })
* //= '1321102330211'
*/
export function googleQuadKey(init: Google) {
return mercator.googleQuadKey(init)
export function googleQuadkey(init: Google) {
return mercator.googleQuadkey(init)
}
/**
* Converts TMS Tile coordinates to Microsoft QuadKey
* Converts TMS {Tile} to {QuadKey}.
*
* @name tileQuadKey
* @name tileQuadkey
* @param {number} tx
* @param {number} ty
* @param {number} zoom
* @returns {quadkey}
* @returns {string} Quadkey
* @example
* tileQuadkey({ tx: 6963, ty: 5003, zoom: 13 })
* //= '1321102330211'
*/
export function tileQuadKey(init: Tile) {
return mercator.tileQuadKey(init)
export function tileQuadkey(init: Tile) {
return mercator.tileQuadkey(init)
}
/**
* Converts QuadKey to TMS Tile coordinates
* Converts {Quadkey} to TMS {Tile}.
*
* @name quadKeyTile
* @name quadkeyTile
* @param {string} quadkey
* @returns {Tile}
* @returns {Tile} TMS Tile
* @example
* quadkeyTile('1321102330211')
* //= Tile { tx: 6963, ty: 5003, zoom: 13 }
*/
export function quadKeyTile(quadkey: string) {
return mercator.quadKeyTile(quadkey)
export function quadkeyTile(quadkey: string) {
return mercator.quadkeyTile(quadkey)
}
/**
* Converts QuadKey to Google Tile
* Converts {Quadkey} to {Google} (XYZ) Tile.
*
* @name quadKeyGoogle
* @name quadkeyGoogle
* @param {string} quadkey
* @returns {Google}
* @example
* quadkeyGoogle('1321102330211')
* //= Google { x: 6963, y: 3188, zoom: 13 }
*/
export function quadKeyGoogle(quadkey: string) {
return mercator.quadKeyGoogle(quadkey)
export function quadkeyGoogle(quadkey: string) {
return mercator.quadkeyGoogle(quadkey)
}
/**
* Converts bounds from LatLng to Meters
* Converts {bbox} from {LatLng} coordinates to {Meters} coordinates
*
* @name boundsLatLngToMeters
* @param {Array<number>} bbox extent in [minX, minY, maxX, maxY] order
* @returns {Array<number>} bounds
*/
export function boundsLatLngToMeters(bounds: number[]): number[] {
return mercator.boundsLatLngToMeters(bounds)
}
/**
* Validate Undefined
* @name validateUndefined
* @param {string} name
* @param {Object} items
* @name bboxLatLngToMeters
* @param {Array<number>} {bbox} extent in [minX, minY, maxX, maxY] order
* @returns {Array<number>} {bbox}
* @example
* validateUndefined('Meters', Object)
* bboxLatLngToMeters([ 125, 35, 127, 37 ])
* //= [ 13914936.349159198, 4163881.1440642904, 14137575.330745745, 4439106.787250587 ]
*/
export function validateUndefined(items: any, name?: string) {
for (let key of keys(items)) {
if (isUndefined(items[key])) {
const message = (name) ? `${ name } <${ key }> is required` : `<${ key }> is required`
debug.error(message)
throw new Error(message)
}
}
export function bboxLatLngToMeters(bbox: number[]): number[] {
return mercator.bboxLatLngToMeters(bbox)
}
/**
* Validates Tile
* @name validateTile
* Validates TMS {Tile}.
* @param {number} tx
* @param {number} ty
* @param {number} zoom
* @param {string} [name=Tile] - name used for debugging message
* @throw Will throw an error if TMS {Tile} is not valid.
* @return {Object} TMS Tile
* @example
* const tile = validateTile({tx: 60, ty: 80, zoom: 5})
* validateTile({tx: 60, ty: 80, zoom: 5})
* //= {tx: 60, ty: 80, zoom: 5}
* validateTile({tx: 60, ty: -43, zoom: 5})
* //= Error: Tile <ty> must not be less than 0
*/

@@ -364,7 +392,14 @@ export function validateTile(init: InterfaceTile, name = 'Tile') {

/**
* Validates Zoom
* Validates {Zoom} level.
* @name validateZoom
* @param {number} Zoom level
* @throw Will throw an error if zoom is not valid.
* @return {number} Zoom level
* @example
* const zoom = validateZoom(12)
* validateZoom(12)
* //= 12
* validateZoom(-4)
* //= Error: <zoom> cannot be less than 1
* validateZoom(30)
* //= Error: <zoom> cannot be greater than 23
*/

@@ -385,6 +420,9 @@ export function validateZoom(zoom: number, name?: string) {

/**
* Validates Pixels
* Validates {Pixels} coordinates.
* @name validatePixels
* @param {Array<number>} Pixels coordinates
* @throw Will throw an error if {Pixels} is not valid.
* @return {Array<number>} Pixels coordinates
* @example
* const pixels = validatePixels([-115, 44])
* validatePixels([-115, 44])
* //= [-115, 44]

@@ -413,6 +451,9 @@ */

/**
* Validates Meters
* Validates {Meters} coordinates.
* @name validateMeters
* @param {Array<number>} Meters coordinates
* @throw Will throw an error if {Meters} is not valid.
* @return {Array<number>} Meters coordinates
* @example
* const meters = validateMeters([-115, 44])
* validateMeters([-115, 44])
* //= [-115, 44]

@@ -453,4 +494,7 @@ */

/**
* Validates LatLng
* Validates {LatLng} coordinates.
* @name validateLatLng
* @param {Array<number>} LatLng coordinates
* @throw Will throw an error if {LatLng} is not valid.
* @return {Array<number>} LatLng coordinates
* @example

@@ -466,4 +510,7 @@ * validateLatLng([-115, 44])

/**
* Validates LngLat
* Validates {LngLat} coordinates.
* @name validateLngLat
* @param {Array<number>} LngLat coordinates
* @throw Will throw an error if {LngLat} is not valid.
* @return {Array<number>} LngLat coordinates
* @example

@@ -503,7 +550,12 @@ * validateLngLat([-115, 44])

/**
* Validates bounds
* Validates bounds.
* @name bounds
* @param {Array<number>} bounds
* @throw Will throw an error if bounds is not valid.
* @returns {Array<number} bounds
* @example
* const bounds = validateBounds([ -75, 44, -74, 45 ])
* validateBounds([ -75, 44, -74, 45 ])
* //= [ -75, 44, -74, 45 ]
* validateBounds([ -75, 44, -74 ])
* //= Error: [bounds] must be an Array of 4 numbers
*/

@@ -519,2 +571,26 @@ export function validateBounds(init: number[]) {

/**
* Assert undefined items within object.
* @name assertUndefined
* @param {Object} items
* @param {string} [name] - name used for debugging message
* @throw Will throw an error if any item in Object is undefined.
* @returns {Object} items
* @example
* assertUndefined({foo: 'bar'})
* //= {foo: 'bar'}
* assertUndefined({foo: undefined})
* //= Error: <foo> is required
*/
export function assertUndefined(items: any, name?: string) {
for (let key of keys(items)) {
if (isUndefined(items[key])) {
const message = (name) ? `${ name } <${ key }> is required` : `<${ key }> is required`
debug.error(message)
throw new Error(message)
}
}
return items
}
export class Google {

@@ -530,3 +606,3 @@ public x: number

this.zoom = zoom
validateUndefined(this, 'Google')
assertUndefined(this, 'Google')
}

@@ -545,3 +621,3 @@ }

this.zoom = zoom
validateUndefined(this, 'Tile')
assertUndefined(this, 'Tile')
validateTile(this)

@@ -561,3 +637,3 @@ }

if (!isUndefined(zoom)) { this.zoom = zoom }
validateUndefined(this, 'Pixels')
assertUndefined(this, 'Pixels')
validatePixels([px, py])

@@ -577,3 +653,3 @@ }

if (!isUndefined(zoom)) { this.zoom = zoom }
validateUndefined(this, 'Meters')
assertUndefined(this, 'Meters')
validateMeters([mx, my])

@@ -593,3 +669,3 @@ }

if (!isUndefined(init.zoom)) { this.zoom = init.zoom }
validateUndefined(this, 'LatLng')
assertUndefined(this, 'LatLng')
validateLatLng([lat, lng])

@@ -691,3 +767,3 @@ }

public tileLatLonBounds(init: Tile) {
public tileLatLngBounds(init: Tile) {
if (init.zoom === 0) { return [ -180, -85.05112877980659, 180, 85.05112877980659 ] }

@@ -708,8 +784,8 @@

public googleLatLonBounds(init: Google) {
public googleLatLngBounds(init: Google) {
const Tile = this.googleTile(init)
return this.tileLatLonBounds(Tile)
return this.tileLatLngBounds(Tile)
}
public boundsLatLngToMeters = (bounds: number[]): number[] => {
public bboxLatLngToMeters = (bounds: number[]): number[] => {
const min = this.latLngToMeters({lat: bounds[1], lng: bounds[0]})

@@ -738,9 +814,9 @@ const max = this.latLngToMeters({lat: bounds[3], lng: bounds[2]})

public googleQuadKey(init: Google) {
public googleQuadkey(init: Google) {
const Tile = this.googleTile(init)
return this.tileQuadKey(Tile)
return this.tileQuadkey(Tile)
}
public tileQuadKey(init: Tile) {
// Zoom 0 does not exist for QuadKey
public tileQuadkey(init: Tile) {
// Zoom 0 does not exist for Quadkey
if (init.zoom === 0) { return '' }

@@ -763,8 +839,8 @@

public quadKeyTile(quadkey: string) {
const Google = this.quadKeyGoogle(quadkey)
public quadkeyTile(quadkey: string) {
const Google = this.quadkeyGoogle(quadkey)
return this.googleTile(Google)
}
public quadKeyGoogle(quadkey: string) {
public quadkeyGoogle(quadkey: string) {
let x: number = 0

@@ -791,3 +867,3 @@ let y: number = 0

default:
throw new Error('Invalid QuadKey digit sequence')
throw new Error('Invalid Quadkey digit sequence')
}

@@ -809,10 +885,10 @@ })

tileBounds,
tileLatLonBounds,
tileLatLngBounds,
tileGoogle,
tileQuadKey,
quadKeyGoogle,
quadKeyTile,
tileQuadkey,
quadkeyGoogle,
quadkeyTile,
googleBounds,
googleLatLonBounds,
googleQuadKey,
googleLatLngBounds,
googleQuadkey,
}

@@ -822,3 +898,3 @@

if (require.main === module) {
// const bounds = boundsLatLngToMeters([ -75.01464843750001, 44.99588261816546, -74.97070312499999, 45.02695045318546 ])
// const bounds = bboxLatLngToMeters([ -75.01464843750001, 44.99588261816546, -74.97070312499999, 45.02695045318546 ])
// console.log(bounds)

@@ -834,3 +910,3 @@ // const meters = pixelsToMeters({ px: 611669, py: 1342753, zoom: 13 })

// validatePixels([200000, 150000, 1])
// validateUndefined({x: null})
// assertUndefined({x: null})
// console.log(metersToLatLng({mx: 10018754.171394622, my: 5621521.486192067}))

@@ -840,2 +916,3 @@ // console.log(metersToPixels({mx: 10000000, my: 5500000, zoom: 13}))

console.log(latLngToMeters({lat: 23, lng: 23}))
console.log(validateBounds([ -75, 44, -74 ]))
}

4

package.json
{
"name": "global-mercator",
"version": "0.1.7",
"version": "0.2.0",
"description": "Global Mercator",

@@ -8,3 +8,3 @@ "main": "index.js",

"docs": "npm run build && npm run documentation",
"documentation": "./node_modules/documentation/bin/documentation.js build index.js -f md > README.md",
"documentation": "./node_modules/documentation/bin/documentation.js build index.js -f md -c documentation.yml > API.md && cat HEADER.md API.md > README.md",
"typings": "./node_modules/typings/dist/bin.js install",

@@ -11,0 +11,0 @@ "test": "npm run build && npm run ava && npm run lint",

324

README.md

@@ -1,3 +0,10 @@

<!-- Generated by documentation.js. Update this documentation by updating the source code. -->
[![Build Status](https://travis-ci.org/DenisCarriere/global-mercator.svg?branch=master)](https://travis-ci.org/DenisCarriere/global-mercator)
[![Coverage Status](https://coveralls.io/repos/github/DenisCarriere/global-mercator/badge.svg?branch=master)](https://coveralls.io/github/DenisCarriere/global-mercator?branch=master)
# Global Mercator
A set of tools geospatial tools to help with TMS, Google (XYZ) Tiles.
> This library is insipered by GDAL2Tiles, Google Summer of Code 2007 & 2008
# Installation

@@ -14,12 +21,13 @@

```javascript
// Load all functions
import * as mercator from 'global-mercator'
// Load a single function
import { latLngToMeters } from 'global-mercator'
```
<!-- Generated by documentation.js. Update this documentation by updating the source code. -->
# latLngToMeters
Converts given lat/lon in WGS84 Datum to XY in Spherical Mercator EPSG:900913
Converts {LatLng} coordinates to {Meters} coordinates.

@@ -30,3 +38,3 @@ **Parameters**

- `lng` **[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)**
- `zoom` **[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)** (Optional)
- `zoom` **\[[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)]**

@@ -36,11 +44,11 @@ **Examples**

```javascript
latLngToMeters({lat: 45, lng: 90})
//=> Meters { mx: 10018754.171394622, my: 5621521.486192067 }
latLngToMeters({lat: 37, lng: 126})
//= Meters { mx: 14026255.83995247, my: 4439106.787250587 }
```
Returns **Meters**
Returns **[Meters](https://en.wikipedia.org/wiki/Web_Mercator)**
# metersToLatLng
Converts XY point from Spherical Mercator EPSG:900913 to lat/lng in WGS84 Datum
Converts {Meters} coordinates to {LatLng} coordinates.

@@ -51,3 +59,3 @@ **Parameters**

- `my` **[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)**
- `zoom` **[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)** (Optional)
- `zoom` **\[[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)]**

@@ -57,11 +65,11 @@ **Examples**

```javascript
metersToLatLng({mx: 10000000, my: 5500000})
//=> LatLng { lat: 44.2228902348575, lng: 89.83152841195214 }
metersToLatLng({ mx: 14026255, my: 4439106 })
//= LatLng { lat: 36.99999435205559, lng: 125.99999245457859 }
```
Returns **LatLng**
Returns **[LatLng](https://en.wikipedia.org/wiki/World_Geodetic_System)**
# metersToPixels
Converts EPSG:900913 to pyramid pixel coordinates in given zoom level
Converts {Meters} coordinates to {Pixels}.

@@ -77,11 +85,11 @@ **Parameters**

```javascript
metersToPixels({mx: 10000000, my: 5500000, zoom: 13})
//=> Pixels { px: 1571882.5818671728, py: 1336394.6200269451, zoom: 13 }
metersToPixels({ mx: 14026255, my: 4439106, zoom: 13 })
//= Pixels { px: 1782579.1560447346, py: 1280877.3387406059, zoom: 13 }
```
Returns **Pixels**
Returns **[Pixels](https://msdn.microsoft.com/en-us/library/bb259689.aspx)**
# latLngToTile
Returns Tile for given latlng coordinates
Converts {LatLng} coordinates to TMS {Tile}.

@@ -97,11 +105,11 @@ **Parameters**

```javascript
latLngToTile({lat: 45, lng: 90, zoom: 5})
//=> Tile { tx: 23, ty: 20, zoom: 5 }
latLngToTile({lat: 37, lng: 126, zoom: 13 })
//= Tile { tx: 6963, ty: 5003, zoom: 13 }
```
Returns **Tile**
Returns **[Tile](https://en.wikipedia.org/wiki/Tiled_web_map)** TMS Tile
# latLngToGoogle
Returns Google Tile for given latlng coordinates
Converts {LatLng} coordinates to {Google} (XYZ) Tile.

@@ -116,11 +124,11 @@ **Parameters**

```javascript
latLngToGoogle({lat: 45, lng: 90, zoom: 5})
//=> Google { x: 23, y: 11, zoom: 5 }
latLngToGoogle({lat: 37, lng: 126, zoom: 13 })
//= Google { x: 6963, y: 3188, zoom: 13 }
```
Returns **Google** Google Tile
Returns **[Google](https://en.wikipedia.org/wiki/Tiled_web_map)** Google Tile
# metersToTile
Returns Tile for given mercator coordinates
Converts {Meters} coordinates to TMS {Tile}.

@@ -135,11 +143,11 @@ **Parameters**

```javascript
metersToTile({mx: 10000000, my: 5500000, zoom: 5})
//=> Tile { tx: 23, ty: 20, zoom: 5 }
metersToTile({ mx: 14026255, my: 4439106, zoom: 13 })
//= Tile { tx: 6963, ty: 5003, zoom: 13 }
```
Returns **Tile**
Returns **[Tile](https://en.wikipedia.org/wiki/Tiled_web_map)** TMS Tile
# pixelsToMeters
Converts pixel coordinates in given zoom level of pyramid to EPSG:900913
Converts {Pixels} coordinates to {Meters} coordinates.

@@ -152,7 +160,14 @@ **Parameters**

Returns **Meters**
**Examples**
```javascript
pixelsToMeters({ px: 1782579, py: 1280877, zoom: 13 })
//= Meters { mx: 14026252.018101055, my: 4439099.526918683, zoom: 13 }
```
Returns **[Meters](https://en.wikipedia.org/wiki/Web_Mercator)**
# pixelsToTile
Returns a Tile covering region in given pixel coordinates
Converts {Pixels} coordinates to TMS {Tile}.

@@ -165,7 +180,14 @@ **Parameters**

Returns **Tile**
**Examples**
```javascript
pixelsToTile({ px: 1782579, py: 1280877, zoom: 13 })
//= Tile { tx: 6963, ty: 5003, zoom: 13 }
```
Returns **[Tile](https://en.wikipedia.org/wiki/Tiled_web_map)** TMS Tile
# tileBounds
Returns bounds of the given Tile in EPSG:900913 coordinates
Converts TMS {Tile} to bounds in {Meters} coordinates.

@@ -178,8 +200,15 @@ **Parameters**

Returns **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** bbox extent in [minX, minY, maxX, maxY] order
**Examples**
# tileLatLonBounds
```javascript
tileBounds({ tx: 6963, ty: 5003, zoom: 13 })
//= [ 14025277.445990417, 4437016.617897913, 14030169.415800672, 4441908.587708164 ]
```
Returns bounds of the given Tile in EPSG:900913 coordinates
Returns **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** {bbox} extent in [minX, minY, maxX, maxY] order
# tileLatLngBounds
Converts TMS {Tile} to bounds in {LatLng} coordinates.
**Parameters**

@@ -191,7 +220,14 @@

Returns **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** bbox extent in [minX, minY, maxX, maxY] order
**Examples**
```javascript
tileLatLngBounds({ tx: 6963, ty: 5003, zoom: 13 })
//= [ 125.99121093749999, 36.98500309285596, 126.03515625, 37.020098201368135 ]
```
Returns **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** {bbox} extent in [minX, minY, maxX, maxY] order
# googleBounds
Converts Google Tile system in Mercator bounds (Meters)
Converts {Google} (XYZ) Tile to bounds in {Meters} coordinates.

@@ -204,8 +240,15 @@ **Parameters**

Returns **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** bbox extent in [minX, minY, maxX, maxY] order
**Examples**
# googleLatLonBounds
```javascript
googleBounds({ x: 6963, y: 3188, zoom: 13 })
//= [ 14025277.445990417, 4437016.617897913, 14030169.415800672, 4441908.587708164 ]
```
Converts Google Tile system in LatLng bounds (degrees)
Returns **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** {bbox} extent in [minX, minY, maxX, maxY] order
# googleLatLngBounds
Converts {Google} (XYZ) Tile to bounds in {LatLng} coordinates.
**Parameters**

@@ -217,7 +260,14 @@

Returns **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** bbox extent in [minX, minY, maxX, maxY] order
**Examples**
```javascript
googleLatLngBounds({ x: 6963, y: 3188, zoom: 13 })
//= [ 125.99121093749999, 36.98500309285596, 126.03515625, 37.020098201368135 ]
```
Returns **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** {bbox} extent in [minX, minY, maxX, maxY] order
# tileGoogle
Converts TMS Tile coordinates to Google Tile coordinates
Converts TMS {Tile} to {Google} (XYZ) Tile.

@@ -230,7 +280,14 @@ **Parameters**

Returns **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** bbox extent in [minX, minY, maxX, maxY] order
**Examples**
```javascript
tileGoogle({ tx: 6963, ty: 5003, zoom: 13 })
//= Google { x: 6963, y: 3188, zoom: 13 }
```
Returns **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** {bbox} extent in [minX, minY, maxX, maxY] order
# googleTile
Converts Google Tile coordinates to TMS Tile coordinates
Converts {Google} (XYZ) Tile to TMS {Tile}.

@@ -243,8 +300,15 @@ **Parameters**

Returns **Tile**
**Examples**
# googleQuadKey
```javascript
googleTile({ x: 6963, y: 3188, zoom: 13 })
//= Tile { tx: 6963, ty: 5003, zoom: 13 }
```
Converts Google Tile coordinates to Microsoft QuadKey
Returns **[Tile](https://en.wikipedia.org/wiki/Tiled_web_map)** TMS Tile
# googleQuadkey
Converts {Google} (XYZ) Tile to {Quadkey}.
**Parameters**

@@ -256,8 +320,15 @@

Returns **quadkey**
**Examples**
# tileQuadKey
```javascript
googleQuadkey({ x: 6963, y: 3188, zoom: 13 })
//= '1321102330211'
```
Converts TMS Tile coordinates to Microsoft QuadKey
Returns **[string](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String)** Quadkey
# tileQuadkey
Converts TMS {Tile} to {QuadKey}.
**Parameters**

@@ -269,8 +340,15 @@

Returns **quadkey**
**Examples**
# quadKeyTile
```javascript
tileQuadkey({ tx: 6963, ty: 5003, zoom: 13 })
//= '1321102330211'
```
Converts QuadKey to TMS Tile coordinates
Returns **[string](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String)** Quadkey
# quadkeyTile
Converts {Quadkey} to TMS {Tile}.
**Parameters**

@@ -280,32 +358,31 @@

Returns **Tile**
**Examples**
# quadKeyGoogle
```javascript
quadkeyTile('1321102330211')
//= Tile { tx: 6963, ty: 5003, zoom: 13 }
```
Converts QuadKey to Google Tile
Returns **[Tile](https://en.wikipedia.org/wiki/Tiled_web_map)** TMS Tile
**Parameters**
# quadkeyGoogle
- `quadkey` **[string](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String)**
Converts {Quadkey} to {Google} (XYZ) Tile.
Returns **Google**
# boundsLatLngToMeters
Converts bounds from LatLng to Meters
**Parameters**
- `bbox` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** extent in [minX, minY, maxX, maxY] order
- `quadkey` **[string](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String)**
Returns **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** bounds
**Examples**
# validateUndefined
```javascript
quadkeyGoogle('1321102330211')
//= Google { x: 6963, y: 3188, zoom: 13 }
```
Validate Undefined
Returns **[Google](https://en.wikipedia.org/wiki/Tiled_web_map)**
**Parameters**
# bboxLatLngToMeters
- `name` **[string](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String)**
- `items` **[Object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object)**
Converts {bbox} from {LatLng} coordinates to {Meters} coordinates

@@ -315,53 +392,94 @@ **Examples**

```javascript
validateUndefined('Meters', Object)
bboxLatLngToMeters([ 125, 35, 127, 37 ])
//= [ 13914936.349159198, 4163881.1440642904, 14137575.330745745, 4439106.787250587 ]
```
Returns **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** {bbox}
# validateTile
Validates Tile
Validates TMS {Tile}.
**Parameters**
- `tx` **[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)**
- `ty` **[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)**
- `zoom` **[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)**
- `init`
- `name` **\[[string](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String)]** name used for debugging message (optional, default `Tile`)
**Examples**
```javascript
const tile = validateTile({tx: 60, ty: 80, zoom: 5})
validateTile({tx: 60, ty: 80, zoom: 5})
//= {tx: 60, ty: 80, zoom: 5}
validateTile({tx: 60, ty: -43, zoom: 5})
//= Error: Tile <ty> must not be less than 0
```
Returns **[Object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object)** TMS Tile
# validateZoom
Validates Zoom
Validates {Zoom} level.
**Parameters**
- `Zoom` **[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)** level
**Examples**
```javascript
const zoom = validateZoom(12)
validateZoom(12)
//= 12
validateZoom(-4)
//= Error: <zoom> cannot be less than 1
validateZoom(30)
//= Error: <zoom> cannot be greater than 23
```
Returns **[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)** Zoom level
# validatePixels
Validates Pixels
Validates {Pixels} coordinates.
**Parameters**
- `Pixels` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** coordinates
**Examples**
```javascript
const pixels = validatePixels([-115, 44])
validatePixels([-115, 44])
//= [-115, 44]
```
Returns **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** Pixels coordinates
# validateMeters
Validates Meters
Validates {Meters} coordinates.
**Parameters**
- `Meters` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** coordinates
**Examples**
```javascript
const meters = validateMeters([-115, 44])
validateMeters([-115, 44])
//= [-115, 44]
```
Returns **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** Meters coordinates
# validateLatLng
Validates LatLng
Validates {LatLng} coordinates.
**Parameters**
- `LatLng` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** coordinates
**Examples**

@@ -374,6 +492,12 @@

Returns **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** LatLng coordinates
# validateLngLat
Validates LngLat
Validates {LngLat} coordinates.
**Parameters**
- `LngLat` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** coordinates
**Examples**

@@ -386,11 +510,39 @@

Returns **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** LngLat coordinates
# bounds
Validates bounds
Validates bounds.
**Parameters**
- `bounds` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>**
**Examples**
```javascript
const bounds = validateBounds([ -75, 44, -74, 45 ])
validateBounds([ -75, 44, -74, 45 ])
//= [ -75, 44, -74, 45 ]
validateBounds([ -75, 44, -74 ])
//= Error: [bounds] must be an Array of 4 numbers
```
# assertUndefined
Assert undefined items within object.
**Parameters**
- `items` **[Object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object)**
- `name` **\[[string](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String)]** name used for debugging message
**Examples**
```javascript
assertUndefined({foo: 'bar'})
//= {foo: 'bar'}
assertUndefined({foo: undefined})
//= Error: <foo> is required
```
Returns **[Object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object)** items

26

test.js

@@ -49,3 +49,3 @@ "use strict";

ava_1.default('tileLatLonBounds', t => {
const bounds = mercator.tileLatLonBounds(TILE);
const bounds = mercator.tileLatLngBounds(TILE);
t.deepEqual(bounds, BOUNDS_LATLNG);

@@ -57,16 +57,16 @@ });

});
ava_1.default('tileQuadKey', t => {
const quadkey = mercator.tileQuadKey(TILE);
ava_1.default('tileQuadkey', t => {
const quadkey = mercator.tileQuadkey(TILE);
t.deepEqual(quadkey, QUADKEY);
});
ava_1.default('quadKeyGoogle', t => {
const google = mercator.quadKeyGoogle(QUADKEY);
const google = mercator.quadkeyGoogle(QUADKEY);
t.deepEqual(google, lodash_1.pick(GOOGLE, ['x', 'y', 'zoom']));
});
ava_1.default('quadKeyTile', t => {
const tile = mercator.quadKeyTile(QUADKEY);
const tile = mercator.quadkeyTile(QUADKEY);
t.deepEqual(tile, lodash_1.pick(TILE, ['tx', 'ty', 'zoom']));
});
ava_1.default('Throws Error quadKeyTile', t => {
t.throws(() => mercator.quadKeyTile(QUADKEY_BAD), 'Invalid QuadKey digit sequence');
ava_1.default('Throws Error quadkeyTile', t => {
t.throws(() => mercator.quadkeyTile(QUADKEY_BAD), 'Invalid Quadkey digit sequence');
});

@@ -78,3 +78,3 @@ ava_1.default('googleBounds', t => {

ava_1.default('googleLatLonBounds', t => {
const bounds = mercator.googleLatLonBounds(GOOGLE);
const bounds = mercator.googleLatLngBounds(GOOGLE);
t.deepEqual(bounds, BOUNDS_LATLNG);

@@ -87,3 +87,3 @@ });

ava_1.default('googleQuadKey', t => {
const quadkey = mercator.googleQuadKey(GOOGLE);
const quadkey = mercator.googleQuadkey(GOOGLE);
t.deepEqual(quadkey, QUADKEY);

@@ -103,5 +103,5 @@ });

});
ava_1.default('boundsLatLngToMeters', t => {
const bounds = mercator.boundsLatLngToMeters(BOUNDS_LATLNG);
t.deepEqual(bounds.map(i => i.toFixed(2)), BOUNDS.map(i => i.toFixed(2)));
ava_1.default('bboxLatLngToMeters', t => {
const bbox = mercator.bboxLatLngToMeters(BOUNDS_LATLNG);
t.deepEqual(bbox.map(i => i.toFixed(2)), BOUNDS.map(i => i.toFixed(2)));
});

@@ -145,3 +145,3 @@ ava_1.default('googleTile', t => {

ava_1.default('validateUndefined', t => {
t.throws(() => mercator.validateUndefined({ x: undefined }), '<x> is required');
t.throws(() => mercator.assertUndefined({ x: undefined }), '<x> is required');
});

@@ -148,0 +148,0 @@ ava_1.default('metersToPixels missing zoom', t => {

26

test.ts

@@ -57,3 +57,3 @@ import test from 'ava'

test('tileLatLonBounds', t => {
const bounds = mercator.tileLatLonBounds(TILE)
const bounds = mercator.tileLatLngBounds(TILE)
t.deepEqual(bounds, BOUNDS_LATLNG)

@@ -67,4 +67,4 @@ })

test('tileQuadKey', t => {
const quadkey = mercator.tileQuadKey(TILE)
test('tileQuadkey', t => {
const quadkey = mercator.tileQuadkey(TILE)
t.deepEqual(quadkey, QUADKEY)

@@ -74,3 +74,3 @@ })

test('quadKeyGoogle', t => {
const google = mercator.quadKeyGoogle(QUADKEY)
const google = mercator.quadkeyGoogle(QUADKEY)
t.deepEqual(google, pick(GOOGLE, ['x', 'y', 'zoom']))

@@ -80,8 +80,8 @@ })

test('quadKeyTile', t => {
const tile = mercator.quadKeyTile(QUADKEY)
const tile = mercator.quadkeyTile(QUADKEY)
t.deepEqual(tile, pick(TILE, ['tx', 'ty', 'zoom']))
})
test('Throws Error quadKeyTile', t => {
t.throws(() => mercator.quadKeyTile(QUADKEY_BAD), 'Invalid QuadKey digit sequence')
test('Throws Error quadkeyTile', t => {
t.throws(() => mercator.quadkeyTile(QUADKEY_BAD), 'Invalid Quadkey digit sequence')
})

@@ -95,3 +95,3 @@

test('googleLatLonBounds', t => {
const bounds = mercator.googleLatLonBounds(GOOGLE)
const bounds = mercator.googleLatLngBounds(GOOGLE)
t.deepEqual(bounds, BOUNDS_LATLNG)

@@ -106,3 +106,3 @@ })

test('googleQuadKey', t => {
const quadkey = mercator.googleQuadKey(GOOGLE)
const quadkey = mercator.googleQuadkey(GOOGLE)
t.deepEqual(quadkey, QUADKEY)

@@ -125,5 +125,5 @@ })

test('boundsLatLngToMeters', t => {
const bounds = mercator.boundsLatLngToMeters(BOUNDS_LATLNG)
t.deepEqual(bounds.map(i => i.toFixed(2)), BOUNDS.map(i => i.toFixed(2)))
test('bboxLatLngToMeters', t => {
const bbox = mercator.bboxLatLngToMeters(BOUNDS_LATLNG)
t.deepEqual(bbox.map(i => i.toFixed(2)), BOUNDS.map(i => i.toFixed(2)))
})

@@ -176,3 +176,3 @@

test('validateUndefined', t => {
t.throws(() => mercator.validateUndefined({x: undefined}), '<x> is required')
t.throws(() => mercator.assertUndefined({x: undefined}), '<x> is required')
})

@@ -179,0 +179,0 @@ 

.nyc_output/76221b4dcf6f038e6136dfd3af40c31b.json
.nyc_output/f7efb80beb7acd1b403d97480e931c0d.json
index.js.map

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LICENSE

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test.js.map

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