C++
virtual Acad::ErrorStatus getUnitScale( double& unitScale ) const = 0;
Description
Gets a factor, that the length units of this CRS instance must be multiplied with to calculate the equivalent in meters. If the CRS is geographic, this value represents the distance in meters of 1? measured along the equatorial great circle of the underlying ellipsoid.
Parameters
Parameters | Description |
---|---|
unitScale | Input/output double. |
Returns
Returns Acad::eOk if successful.