Sets the active source of an extended or a spectral map (0 if the map is not an extended or a spectral map).
Syntax
object.ExtendedSetActiveSource(int iSource) As Short
object: Virtual Photometric Lab or Virtual Human Vision Lab object
iSource: index of the source to activate
You can set the iSourcebehavior as follows: - -1 to set all sources activated at 100% power ratio (equivalent to the All layersmode in Virtual Photometric Lab). - -2 to activate all sources depending on their current power ratio (equivalent to the User defined mode in Virtual Photometric Lab).
