45 lines
1.6 KiB
C
45 lines
1.6 KiB
C
/*
|
|
* ***** 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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
|
|
|
|
/** \file BLI_voxel.h
|
|
* \ingroup bli
|
|
*/
|
|
|
|
/** 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, const int res[3], const float co[3]);
|
|
float voxel_sample_trilinear(float *data, const int res[3], const float co[3]);
|
|
float voxel_sample_triquadratic(float *data, const int res[3], const float co[3]);
|
|
float voxel_sample_tricubic(float *data, const int res[3], const float co[3], int bspline);
|
|
|
|
#endif /* BLI_VOXEL_H */
|