/****************************************************************************
*
* MODULE:       r.out.vtk  
*   	    	
* AUTHOR(S):    Original author 
*               Soeren Gebbert soerengebbert@gmx.de
* 		08 23 2005 Berlin
* PURPOSE:      Converts raster maps into the VTK-Ascii format  
*
* COPYRIGHT:    (C) 2005 by the GRASS Development Team
*
*               This program is free software under the GNU General Public
*   	    	License (>=v2). Read the file COPYING that comes with GRASS
*   	    	for details.
*
*****************************************************************************/
#ifndef __R_OUT_VTK_GLOBALDEFS_H__
#define __R_OUT_VTK_GLOBALDEFS_H__
#define QUADS 0
#define TRIANGLE_STRIPS 1
#define VERTICES 2

#ifdef MAIN
double x_extent;
double y_extent;
#else
extern double x_extent; 
extern double y_extent; 
#endif

#endif