virtual MgCoordinateSystemGeodeticTransformDefParams* MgCoordinateSystemGeodeticTransformDef::GetParameters

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[pure virtual]

Returns the extended parameters object valid for this transformation definition. See remarks. Depending on the type returned by GetTransformDefType(), this method returns one of the following:

• NULL if this is a NULL transformation
• MgCoordinateSystemGeodeticAnalyticalTransformDefParams if this transformation uses an anylitical transformation method
• MgCoordinateSystemGeodeticInterpolationTransformDefParams if this transformation uses grid files
• MgCoordinateSystemGeodeticMultipleRegressionTransformDefParams if this transformation is a multiple regression transformation type
• MgCoordinateSystemGeodeticStandaloneTransformDefParams if this transformation is a standalone (aka built-in) transformation type

Returns:

Returns the extended parameters (or NULL) object for this transformation object. The caller is responsible for disposing the object being returned. See remarks.

Remarks:

If a caller needs to change the parameters of a transformation, the values have to be changed on the object being returned here and then written back via SetParameters. Setting the values on the parameters object has no affect on this transformation definition.