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MapProjectionGeo2ProjRotation Method

Convert a rotation from true north into a rotation from map projection north

It subtracts the convergence value from the true north rotation value

The convertion depends on the geographical location.

Namespace:  DHI.Projections
Assembly:  DHI.Projections (in DHI.Projections.dll) Version: 19.0.0.0 (11.1.1.1111)
Syntax
public double Geo2ProjRotation(
	double lon,
	double lat,
	double rotation
)

Parameters

lon
Type: SystemDouble
Easting coordinate
lat
Type: SystemDouble
Northing coordinate
rotation
Type: SystemDouble
Rotation clock-wise from true north

Return Value

Type: Double
Rotation clock-wise from map projection north
See Also