NAME
	  DtTextureGetRotation - Get the texture's rotation value.

     SYNOPSIS
	  #include <Dt.h>


	  int  DtTextureGetRotation( char *name, float *angle )

     DESCRIPTION
	  DtTextureGetRotation() returns the textures rotation on the
	  material via the pointer to the angle	parameter for the
	  given	texture	name. This rotation value is in	radians.  The
	  texture is rotated about its center.

     DIAGNOSTICS
	  DtTextureGetRotation() returns one on	success	and zero on
	  failure.

     SEE ALSO
	  DtTextureGetCenter(3W)

     FILES
	  Link with -lDtOMio