Class Projection

Projection Class, if no valid options are given, the Projection will initialize with the Framework default Projection For example: 


        {
         "epsg" : "EPSG:25833"
         "proj4" : "+proj=utm +zone=33 +ellps=GRS80 +units=m +no_defs"
        }

Hierarchy

  • Projection

Accessors

epsg proj proj4 className

Constructors

constructor

Methods

equals toJSON transformFrom transformTo getTransformer mercatorToWgs84 parseEPSGCode transform transformCoordinates validateOptions wgs84ToMercator

Properties

_alias _epsg _prefix _proj4

Accessors

epsg

proj

proj4

Static className

Constructors

constructor

Methods

equals

toJSON

transformFrom

transformTo

Static getTransformer

Static mercatorToWgs84

  • Fast transform from Web-Mercator to WGS84

    Parameters

    • coords: Coordinate
    • Optional inPlace: boolean

      whether to transform in place

    Returns Coordinate

Static parseEPSGCode

  • parses an epsg code returns empty string if no code has been found for example: parseEPSGCode('epsg:4326') ==> '4326' parseEPSGCode('epsg:4326', 'EPSG:') ==> 'EPSG:4326' parseEPSGCode('asdasd', 'EPSG:') ==> ''

    Parameters

    • Optional value: string | number
    • prefix: string = 'EPSG:'

    Returns string

Static transform

Static transformCoordinates

Static validateOptions

Static wgs84ToMercator

  • Fast transform from WGS84 to Web-Mercator

    Parameters

    • coords: Coordinate
    • Optional inPlace: boolean

      whether to transform in place

    Returns Coordinate

Properties

Private _alias

_alias: undefined | string[]

Private _epsg

_epsg: string

Private _prefix

_prefix: undefined | string

Private _proj4

_proj4: undefined | string

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