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Class ProjectionConstants

Projection constants

Hierarchy

  • ProjectionConstants

Index

Properties

Static AUTHORITY_EPSG

AUTHORITY_EPSG: "EPSG" = "EPSG"

EPSG authority name

Static AUTHORITY_NONE

AUTHORITY_NONE: "NONE" = "NONE"

No authority name

Static AUTHORITY_NSG

AUTHORITY_NSG: "NSG" = "NSG"

NSG (National Systems for Geospatial Intelligence) authority name

Static AUTHORITY_OGC

AUTHORITY_OGC: "OGC" = "OGC"

OGC (Open Geospatial Consortium) authority name

Static EPSG_WEB_MERCATOR

EPSG_WEB_MERCATOR: 3857 = 3857

EPSG code for web mercator

Static EPSG_WORLD_GEODETIC_SYSTEM

EPSG_WORLD_GEODETIC_SYSTEM: 4326 = 4326

EPSG world geodetic system

Static EPSG_WORLD_GEODETIC_SYSTEM_GEOGRAPHICAL_3D

EPSG_WORLD_GEODETIC_SYSTEM_GEOGRAPHICAL_3D: 4979 = 4979

EPSG code for world geodetic system geographical 3d

Static OGC_CRS84

OGC_CRS84: "CRS84" = "CRS84"

OGC CRS84 code

Static UNDEFINED_CARTESIAN

UNDEFINED_CARTESIAN: -1 = -1

Undefined Cartesian

Static UNDEFINED_GEOGRAPHIC

UNDEFINED_GEOGRAPHIC: 0 = 0

Undefined Geographic

Static WEB_MERCATOR_HALF_WORLD_WIDTH

WEB_MERCATOR_HALF_WORLD_WIDTH: number = 20037508.342789244

Half the world distance in either direction

Static WEB_MERCATOR_MAX_LAT_RANGE

WEB_MERCATOR_MAX_LAT_RANGE: 85.0511287798066 = 85.0511287798066

Web Mercator Latitude Range

Static WEB_MERCATOR_MIN_LAT_RANGE

WEB_MERCATOR_MIN_LAT_RANGE: -85.05112877980659 = -85.05112877980659

Web Mercator Latitude Range

Static WEB_MERCATOR_PRECISION

WEB_MERCATOR_PRECISION: number = 1e-10

Web mercator precision

Static WGS84_HALF_WORLD_LAT_HEIGHT

WGS84_HALF_WORLD_LAT_HEIGHT: number = 90

Half the world latitude height for WGS84

Static WGS84_HALF_WORLD_LON_WIDTH

WGS84_HALF_WORLD_LON_WIDTH: number = 180

Half the world longitude width for WGS84

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