ray2mesh.c

来自「用于2维的射线追踪」· C语言 代码 · 共 48 行

/*
 * Ray2mesh : software for geophysicists.
 * Compute various scores attached to the mesh cells, based on geometric
   information that rays bring when the traverse the cell.
 *
 * Copyright (C) 2003, St閜hane Genaud and Marc Grunberg
 *
 * This tool is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
#include <assert.h>
#include <math.h>
#include <time.h>

#include <ray/raydescartes.h>
#include <mesh/mesh.h>
#include <mesh/layer.h>
#include <mesh/cellinfo.h>
#include <mesh/convert_coord.h>


#include "util.h"
#include "ray2mesh.h"
#include "raymaths.h"		/* geo_distance */
#include "score.h"
#include "const_ray2mesh.h"

#include "parameterization.h"

/*#define DEBUG*/
/*#define INTERPOLATED_NODE_DEBUG */

#define SHOW_CURRENT_NODE fprintf(stderr, "%s:ray2mesh():%d ray #%ld, node #%d, point %f,%f,%f\n", \
				__FILE__, __LINE__, \
				rayid, nbnode, x0, y0, z0); 

#define INTERSECT_BUG	  fprintf(stderr, "%s:ray2mesh():%d ray #%ld, intersection bug between (%f