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Include admesh code for STL repair

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Alessandro Ranellucci 2013-06-23 18:18:38 +02:00
parent f3a9d41c70
commit 77440b774d
11 changed files with 3164 additions and 1 deletions
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173
xs/src/admesh/stl.h Normal file
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/* ADMesh -- process triangulated solid meshes
* Copyright (C) 1995, 1996 Anthony D. Martin
*
* 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, 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.
*
* Questions, comments, suggestions, etc to <amartin@engr.csulb.edu>
*/
#include <stdio.h>
#define STL_MAX(A,B) ((A)>(B)? (A):(B))
#define STL_MIN(A,B) ((A)<(B)? (A):(B))
#define ABS(X) ((X) < 0 ? -(X) : (X))
#define LABEL_SIZE 80
#define NUM_FACET_SIZE 4
#define HEADER_SIZE 84
#define STL_MIN_FILE_SIZE 284
#define ASCII_LINES_PER_FACET 7
#define SIZEOF_EDGE_SORT 24
typedef struct
{
float x;
float y;
float z;
}stl_vertex;
typedef struct
{
float x;
float y;
float z;
}stl_normal;
typedef char stl_extra[2];
typedef struct
{
stl_normal normal;
stl_vertex vertex[3];
stl_extra extra;
}stl_facet;
#define SIZEOF_STL_FACET 50
typedef enum {binary, ascii} stl_type;
typedef struct
{
stl_vertex p1;
stl_vertex p2;
int facet_number;
}stl_edge;
typedef struct stl_hash_edge
{
unsigned key[6];
int facet_number;
int which_edge;
struct stl_hash_edge *next;
}stl_hash_edge;
typedef struct
{
int neighbor[3];
char which_vertex_not[3];
}stl_neighbors;
typedef struct
{
int vertex[3];
}v_indices_struct;
typedef struct
{
char header[81];
stl_type type;
int number_of_facets;
stl_vertex max;
stl_vertex min;
stl_vertex size;
float bounding_diameter;
float shortest_edge;
float volume;
unsigned number_of_blocks;
int connected_edges;
int connected_facets_1_edge;
int connected_facets_2_edge;
int connected_facets_3_edge;
int facets_w_1_bad_edge;
int facets_w_2_bad_edge;
int facets_w_3_bad_edge;
int original_num_facets;
int edges_fixed;
int degenerate_facets;
int facets_removed;
int facets_added;
int facets_reversed;
int backwards_edges;
int normals_fixed;
int number_of_parts;
int malloced;
int freed;
int facets_malloced;
int collisions;
int shared_vertices;
int shared_malloced;
}stl_stats;
typedef struct
{
FILE *fp;
stl_facet *facet_start;
stl_edge *edge_start;
stl_hash_edge **heads;
stl_hash_edge *tail;
int M;
stl_neighbors *neighbors_start;
v_indices_struct *v_indices;
stl_vertex *v_shared;
stl_stats stats;
}stl_file;
extern void stl_open(stl_file *stl, char *file);
extern void stl_close(stl_file *stl);
extern void stl_stats_out(stl_file *stl, FILE *file, char *input_file);
extern void stl_print_edges(stl_file *stl, FILE *file);
extern void stl_print_neighbors(stl_file *stl, char *file);
extern void stl_write_ascii(stl_file *stl, char *file, char *label);
extern void stl_write_binary(stl_file *stl, char *file, char *label);
extern void stl_check_facets_exact(stl_file *stl);
extern void stl_check_facets_nearby(stl_file *stl, float tolerance);
extern void stl_remove_unconnected_facets(stl_file *stl);
extern void stl_write_vertex(stl_file *stl, int facet, int vertex);
extern void stl_write_facet(stl_file *stl, char *label, int facet);
extern void stl_write_edge(stl_file *stl, char *label, stl_hash_edge edge);
extern void stl_write_neighbor(stl_file *stl, int facet);
extern void stl_write_quad_object(stl_file *stl, char *file);
extern void stl_verify_neighbors(stl_file *stl);
extern void stl_fill_holes(stl_file *stl);
extern void stl_fix_normal_directions(stl_file *stl);
extern void stl_fix_normal_values(stl_file *stl);
extern void stl_reverse_all_facets(stl_file *stl);
extern void stl_translate(stl_file *stl, float x, float y, float z);
extern void stl_scale(stl_file *stl, float factor);
extern void stl_rotate_x(stl_file *stl, float angle);
extern void stl_rotate_y(stl_file *stl, float angle);
extern void stl_rotate_z(stl_file *stl, float angle);
extern void stl_mirror_xy(stl_file *stl);
extern void stl_mirror_yz(stl_file *stl);
extern void stl_mirror_xz(stl_file *stl);
extern void stl_open_merge(stl_file *stl, char *file);
extern void stl_generate_shared_vertices(stl_file *stl);
extern void stl_write_off(stl_file *stl, char *file);
extern void stl_write_dxf(stl_file *stl, char *file, char *label);
extern void stl_write_vrml(stl_file *stl, char *file);
extern void stl_calculate_normal(float normal[], stl_facet *facet);
extern void stl_normalize_vector(float v[]);
extern void stl_calculate_volume(stl_file *stl);