/**
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Matt Ebb, Raul Fernandez Hernandez (Farsthary).
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef BLI_VOXEL_H
#define BLI_VOXEL_H
/* find the index number of a voxel, given x/y/z integer coords and resolution vector */
#define V_I(x, y, z, res) ( (z)*(res)[1]*(res)[0] + (y)*(res)[0] + (x) )
/* all input coordinates must be in bounding box 0.0 - 1.0 */
float voxel_sample_nearest(float *data, int *res, float *co);
float voxel_sample_trilinear(float *data, int *res, float *co);
float voxel_sample_triquadratic(float *data, int *res, float *co);
float voxel_sample_tricubic(float *data, int *res, float *co, int bspline);
#endif /* BLI_VOXEL_H */