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global-mercator

Global Mercator

0.1.0
Source
npm

Version published: 8 years ago

Weekly downloads: 681; decreased by-59.42%

Maintainers: 1

Weekly downloads

Created: 8 years ago

latLngToMeters

Converts given lat/lon in WGS84 Datum to XY in Spherical Mercator EPSG:900913

Parameters

lat number
lng number

Returns Meters

latLngToMeters

Converts given lat/lon in WGS84 Datum to XY in Spherical Mercator EPSG:900913

Parameters

lat number
lng number

Returns Meters

metersToLatLng

Converts XY point from Spherical Mercator EPSG:900913 to lat/lng in WGS84 Datum

Parameters

mx number
my number

Returns LatLng

metersToLatLng

Converts XY point from Spherical Mercator EPSG:900913 to lat/lng in WGS84 Datum

Parameters

mx number
my number

Returns LatLng

metersToPixels

Converts EPSG:900913 to pyramid pixel coordinates in given zoom level

Parameters

mx number
my number
zoom number

Returns Pixels

metersToPixels

Converts EPSG:900913 to pyramid pixel coordinates in given zoom level

Parameters

mx number
my number
zoom number

Returns Pixels

latLngToTile

Returns Tile for given latlng coordinates

Parameters

lat number
lng number
zoom number

Returns Tile

latLngToTile

Returns Tile for given latlng coordinates

Parameters

lat number
lng number
zoom number

Returns Tile

latLngToTile

Returns Google Tile for given latlng coordinates

Parameters

lat number
lng number

Returns Google Google Tile

latLngToGoogle

Returns Google Tile for given latlng coordinates

Parameters

lat number
lng number

Returns Google Google Tile

metersToTile

Returns Tile for given mercator coordinates

Parameters

mx number
my number

Returns Tile

metersToTile

Returns Tile for given mercator coordinates

Parameters

mx number
my number

Returns Tile

pixelsToMeters

Converts pixel coordinates in given zoom level of pyramid to EPSG:900913

Parameters

px number
py number
zoom number

Returns Meters

pixelsToMeters

Converts pixel coordinates in given zoom level of pyramid to EPSG:900913

Parameters

px number
py number
zoom number

Returns Meters

pixelsToTile

Returns a Tile covering region in given pixel coordinates

Parameters

px number
py number
zoom number

Returns Tile

pixelsToTile

Returns a Tile covering region in given pixel coordinates

Parameters

px number
py number
zoom number

Returns Tile

tileBounds

Returns bounds of the given Tile in EPSG:900913 coordinates

Parameters

tx number
ty number
zoom number

Returns Array<number> bbox extent in [minX, minY, maxX, maxY] order

tileBounds

Returns bounds of the given Tile in EPSG:900913 coordinates

Parameters

tx number
ty number
zoom number

Returns Array<number> bbox extent in [minX, minY, maxX, maxY] order

tileLatLonBounds

Returns bounds of the given Tile in EPSG:900913 coordinates

Parameters

tx number
ty number
zoom number

Returns Array<number> bbox extent in [minX, minY, maxX, maxY] order

tileLatLonBounds

Returns bounds of the given Tile in EPSG:900913 coordinates

Parameters

tx number
ty number
zoom number

Returns Array<number> bbox extent in [minX, minY, maxX, maxY] order

googleBounds

Converts Google Tile system in Mercator bounds (Meters)

Parameters

x number
y number
zoom number

Returns Array<number> bbox extent in [minX, minY, maxX, maxY] order

googleBounds

Converts Google Tile system in Mercator bounds (Meters)

Parameters

x number
y number
zoom number

Returns Array<number> bbox extent in [minX, minY, maxX, maxY] order

googleLatLonBounds

Converts Google Tile system in LatLng bounds (degrees)

Parameters

x number
y number
zoom number

Returns Array<number> bbox extent in [minX, minY, maxX, maxY] order

googleLatLonBounds

Converts Google Tile system in LatLng bounds (degrees)

Parameters

x number
y number
zoom number

Returns Array<number> bbox extent in [minX, minY, maxX, maxY] order

tileGoogle

Converts TMS Tile coordinates to Google Tile coordinates

Parameters

tx number
ty number
zoom number

Returns Array<number> bbox extent in [minX, minY, maxX, maxY] order

tileGoogle

Converts TMS Tile coordinates to Google Tile coordinates

Parameters

tx number
ty number
zoom number

Returns Array<number> bbox extent in [minX, minY, maxX, maxY] order

googleTile

Converts Google Tile coordinates to TMS Tile coordinates

Parameters

x number
y number
zoom number

Returns Tile

googleTile

Converts Google Tile coordinates to TMS Tile coordinates

Parameters

x number
y number
zoom number

Returns Tile

googleTile

Converts Google Tile coordinates to Microsoft QuadKey

Parameters

x number
y number
zoom number

Returns quadkey

googleQuadKey

Converts Google Tile coordinates to Microsoft QuadKey

Parameters

x number
y number
zoom number

Returns quadkey

tileQuadKey

Converts TMS Tile coordinates to Microsoft QuadKey

Parameters

tx number
ty number
zoom number

Returns quadkey

tileQuadKey

Converts TMS Tile coordinates to Microsoft QuadKey

Parameters

tx number
ty number
zoom number

Returns quadkey

quadKeyTile

Converts QuadKey to TMS Tile coordinates

Parameters

quadkey string

Returns Tile

quadKeyTile

Converts QuadKey to TMS Tile coordinates

Parameters

quadkey string

Returns Tile

quadKeyGoogle

Converts QuadKey to Google Tile

Parameters

quadkey string

Returns Google

quadKeyGoogle

Converts QuadKey to Google Tile

Parameters

quadkey string

Returns Google

boundsLatLngToMeters

Converts bounds from LatLng to Meters

Parameters

bounds Array<number> an Array of bounding box coordinates in the form: [xLow, yLow, xHigh, yHigh]

Returns Array<number> bounds

boundsLatLngToMeters

Converts bounds from LatLng to Meters

Parameters

bounds Array<number> an Array of bounding box coordinates in the form: [xLow, yLow, xHigh, yHigh]

Returns Array<number> bounds

validateUndefined

Validate Undefined

Parameters

name string
items Object

Examples

validateUndefined('Meters', Object)

validateTile

Validates Tile

Examples

const tile = validateTile({tx: 60, ty: 80, zoom: 5})
//= {tx: 60, ty: 80, zoom: 5}

validateZoom

Validates Zoom

Examples

const zoom = validateZoom(12)
//= 12

validatePixels

Validates Pixels

Examples

const pixels = validatePixels([-115, 44])
//= [-115, 44]

validateMeters

Validates Meters

Examples

const meters = validateMeters([-115, 44])
//= [-115, 44]

validateLngLat

Validates LngLat

Examples

const lnglat = validateLngLat([-115, 44])
//= [-115, 44]

bounds

Validates bounds

Examples

const bounds = validateBounds([ -75, 44, -74, 45 ])
//= [ -75, 44, -74, 45 ]

LngLatBounds

LngLatbounds

Examples

const { bounds } = new LngLatBounds([ -75, 44, -74, 45 ])
//= [ -75, 44, -74, 45 ]

GlobalMercator

Global Mercator

Examples

const mercator = GlobalMercator()
mercator.LatLngToMeters(Tile)

constructor

Initialize the TMS Global Mercator pyramid

Parameters

TileSize [number](default 256) (default=256)

Resolution

Resolution (Meters/pixel) for given zoom level (measured at Equator)

Parameters

zoom number

Returns number

FAQs

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Package last updated on 21 Sep 2016

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