Projection – Global Mapper

Inherits from

GEOCALCPBW_NAMESPACE::GeoBase

Description

The Projection class represents a method of transformation between the Earth's curved surface and a flat representation of the Earth's surface. The various types of projections supported in GeoCalc are outlined in the ClassType enumeration.

Public Enumerations

Enum	Description
ClassType	Contains elements that correspond to the various types of projections

Public Constructors

Constructor	Description
CreateProjection	Creates a new instance of the Projection class
Projection	Creates a new instance of the Projection class

Public Methods

Method	Description
ConvergenceAtPoint	Calculates the convergence value at the specified point
DeepCopy	Produces a deep-copy of a Projection
FromPlane	Converts a ProjectedPoint to the corresponding GeodeticPoint on the Datum
get_Class	Indicates the type of projection, according to the ClassType enumeration
get_Datum	Returns the HorizontalDatum from which points are projected
get_Parameters	Returns the ParameterCollection that stores values used to customize this Projection
ScaleFactorAtPoint	Calculates the scale factor at the specified point
set_Datum	Sets the HorizontalDatum from which points are projected
ToPlane	Converts a GeodeticPoint on the Datum to the corresponding ProjectedPoint
ValueEquals	Compares the value of two Projections

Overloaded Operators

Operator	Description
operator=	Assigns a new value to this Projection
operator==	Compares the value of two Projections
operator!=	Compares the value of two Projections