This command is equivalent of the DBPro command 'PICK SCREEN',
This version will work the the orthographic projection camera. If you do not supply an optional camera number the current camera will be used.
Use the D3D_VECTOR_X,
D3D_VECTOR_Y, and D3D_VECTOR_Z
D3D_PICK_CAMERA [Camera,]X, Y, Distance
RELATED INFO EXAMPLE