Coordinates systems. More...

Data Structures
class	ICoordinateSystem
	Base interface for coordinate systems. More...

class	IEllipsoid
	Provides access to members that control the properties of the ellipsoids. More...

class	IGeographicCoordinateSystem
	Provides access to members that control access to all properties of horizontal (geographic) coordinate system. More...

class	IHorizontalCoordinateSystem
	Describes member that manage the horizontal coordinate system More...

class	IProjectedCoordinateSystem
	Provides access to members that control the properties and methods for the projected coordinate systems. More...

class	IVerticalCoordinateSystem
	Provides access to members that control access to the properties of the vertical coordinate system. More...

Enumerations
enum	GeographicCoordinateSystemParameter { kGCRSPar_AngularUnit, kGCRSPar_PrimeMeridian, kGCRSPar_LeftLongitude, kGCRSPar_RightLongitude }
	Parameters of the horizontal coordinate system. More...

enum	HorizontalDatum { kHorDat_Unknown = 0, kHorDat_WGS72, kHorDat_WGS84, kHorDat_Pulkovo_1942, kHorDat_Pulkovo_1995, kHorDat_European1950, kHorDat_European1987, kHorDat_Tokyo, kHorDat_SAD69, kHorDat_Rome, kHorDat_Padang, kHorDat_OSGB_1936, kHorDat_ID74, kHorDat_Indian_1954, kHorDat_Indian_1960, kHorDat_Indian_1975, kHorDat_NewBeijing, kHorDat_RRAF_1991, kHorDat_HK80, kHorDat_PSAD56, kHorDat_ETRS89, kHorDat_NZGD49, kHorDat_NGO_1948, kHorDat_Datum_73, kHorDat_Belge_1972, kHorDat_DHDN, kHorDat_NGN, kHorDat_RGNA_1993, kHorDat_Xian_1980, kHorDat_JGD2000 }
	The horizontal datums. More...

enum	VerticalDatum { kVerDat_Unknown = 0, kVerDat_MeanLowWaterSprings, kVerDat_MeanLowLowWaterSprings, kVerDat_MeanSeaLevel, kVerDat_LowestLowWater, kVerDat_MeanLowWater, kVerDat_LowestLowWaterSprings, kVerDat_ApproximateMeanLowWaterSprings, kVerDat_IndianSpringLowWater, kVerDat_LowWaterSprings, kVerDat_ApproximateLowestAstronomicalTide, kVerDat_NearlyLowestLowWater, kVerDat_MeanLowerLowWater, kVerDat_LowWater, kVerDat_ApproximateMeanLowWater, kVerDat_ApproximateMeanLowerLowWater, kVerDat_MeanHighWater, kVerDat_MeanHighWaterSprings, kVerDat_HighWater, kVerDat_ApproximateMeanSeaLevel, kVerDat_HighWaterSprings, kVerDat_MeanHigherHighWater, kVerDat_EquinoctialSpringLowWater, kVerDat_LowestAstronomicalTide, kVerDat_LocalDatum, kVerDat_InternationalGreatLakesDatum1985, kVerDat_MeanWaterLevel, kVerDat_LowerLowWaterLargeTide, kVerDat_HigherHighWaterLargeTide, kVerDat_NearlyHighestHighWater, kVerDat_HighestAstronomicalTideHAT }
	List of the vertical datums. More...

enum	VerticalCoordinateSystemParameter { kVCRSPar_Datum, kVCRSPar_CoordinateUnit, kVCRSPar_PositiveDirection }
	Parameters of the vertical coordinate system. More...

Detailed Description

Coordinates systems.

Enumeration Type Documentation

◆ GeographicCoordinateSystemParameter

enum GeographicCoordinateSystemParameter

Parameters of the horizontal coordinate system.

Enumerator
kGCRSPar_AngularUnit	Returns radians per unit.
kGCRSPar_PrimeMeridian	The longitude value of the prime meridian.
kGCRSPar_LeftLongitude	Returns or sets the minimum longitude value for the geographic coordinate system. -180.0 or 0.0.
kGCRSPar_RightLongitude	Returns or sets the maximum longitude value for the geographic coordinate system. 180.0 or 360.0.

◆ HorizontalDatum

enum HorizontalDatum

The horizontal datums.

Enumerator
kHorDat_Unknown	0 : Unknown
kHorDat_WGS72	1 : WGS 72
kHorDat_WGS84	2 : WGS 84
kHorDat_Pulkovo_1942	3 : Pulkovo 1942
kHorDat_Pulkovo_1995	4 : Pulkovo 1995
kHorDat_European1950	5 : European 1950
kHorDat_European1987	6 : European 1987
kHorDat_Tokyo	7 : Tokyo, replaces Tokyo 1892
kHorDat_SAD69	8 : South American Datum 1969
kHorDat_Rome	9 : Monte Mario (Rome)
kHorDat_Padang	10 : Padang (Jakarta)
kHorDat_OSGB_1936	11 : OSGB 1936
kHorDat_ID74	12 : ID74
kHorDat_Indian_1954	13 : Indian 1954
kHorDat_Indian_1960	14 : Indian 1960
kHorDat_Indian_1975	15 : Indian 1975
kHorDat_NewBeijing	16 : New Beijing
kHorDat_RRAF_1991	17 : Reseau de Reference des Antilles Francaises 1991
kHorDat_HK80	18 : Hong Kong 1980
kHorDat_PSAD56	19 : Provisional South American Datum 1956
kHorDat_ETRS89	20 : European Terrestrial Reference System 1989
kHorDat_NZGD49	21 : New Zealand Geodetic Datum 1949
kHorDat_NGO_1948	22 : NGO 1948
kHorDat_Datum_73	23 : Datum 73 (Portugal)
kHorDat_Belge_1972	24 : Reseau National Belge 1972
kHorDat_DHDN	25 : Deutsches Hauptdreiecksnetz
kHorDat_NGN	26 : National Geodetic Network (Kuwait)
kHorDat_RGNA_1993	27 : Mexican Datum of 1993
kHorDat_Xian_1980	28 : Xian 1980
kHorDat_JGD2000	29 : Japanese Geodetic Datum 2000

◆ VerticalDatum

enum VerticalDatum

List of the vertical datums.

Enumerator
kVerDat_Unknown	0 : Unknown
kVerDat_MeanLowWaterSprings	1 : Mean low water springs
kVerDat_MeanLowLowWaterSprings	2 : Mean lower low water springs
kVerDat_MeanSeaLevel	3 : Mean sea level
kVerDat_LowestLowWater	4 : Lowest low water
kVerDat_MeanLowWater	5 : Mean low water
kVerDat_LowestLowWaterSprings	6 : Lowest low water springs
kVerDat_ApproximateMeanLowWaterSprings	7 : Approximate mean low water springs
kVerDat_IndianSpringLowWater	8 : Indian spring low water
kVerDat_LowWaterSprings	9 : Low water springs
kVerDat_ApproximateLowestAstronomicalTide	10 : Approximate lowest astronomical tide
kVerDat_NearlyLowestLowWater	11 : Nearly lowest low water
kVerDat_MeanLowerLowWater	12 : Mean lower low water
kVerDat_LowWater	13 : Low water
kVerDat_ApproximateMeanLowWater	14 : Approximate mean low water
kVerDat_ApproximateMeanLowerLowWater	15 : Approximate mean lower low water
kVerDat_MeanHighWater	16 : Mean high water
kVerDat_MeanHighWaterSprings	17 : Mean high water springs
kVerDat_HighWater	18 : High water
kVerDat_ApproximateMeanSeaLevel	19 : Approximate mean sea level
kVerDat_HighWaterSprings	20 : High water springs
kVerDat_MeanHigherHighWater	21 : Mean higher high water
kVerDat_EquinoctialSpringLowWater	22 : Equinoctial spring low water
kVerDat_LowestAstronomicalTide	23 : Lowest astronomical tide
kVerDat_LocalDatum	24 : Local datum
kVerDat_InternationalGreatLakesDatum1985	25 : International Great Lakes Datum 1985
kVerDat_MeanWaterLevel	26 : Mean water level
kVerDat_LowerLowWaterLargeTide	27 : Lower low water large tide
kVerDat_HigherHighWaterLargeTide	28 : Higher high water large tide
kVerDat_NearlyHighestHighWater	29 : Nearly highest high water
kVerDat_HighestAstronomicalTideHAT	30 : Highest astronomical tide (HAT)

◆ VerticalCoordinateSystemParameter

enum VerticalCoordinateSystemParameter

Parameters of the vertical coordinate system.

Enumerator

kVCRSPar_Datum

VerticalDatum.

kVCRSPar_CoordinateUnit

The linear unit of a vertical coordinate system. Returns meters per unit.

LinearUnit

kVCRSPar_PositiveDirection

Up is 1. Down (in the direction of gravity) is -1.

The positive direction of Z coordinates.