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stlfile.hpp
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1 
5 /* Copyright (c) 2011-2012 Taneli Kalvas. All rights reserved.
6  *
7  * You can redistribute this software and/or modify it under the terms
8  * of the GNU General Public License as published by the Free Software
9  * Foundation; either version 2 of the License, or (at your option)
10  * any later version.
11  *
12  * This library is distributed in the hope that it will be useful, but
13  * WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this library (file "COPYING" included in the package);
19  * if not, write to the Free Software Foundation, Inc., 51 Franklin
20  * Street, Fifth Floor, Boston, MA 02110-1301 USA
21  *
22  * If you have questions about your rights to use or distribute this
23  * software, please contact Berkeley Lab's Technology Transfer
24  * Department at TTD@lbl.gov. Other questions, comments and bug
25  * reports should be sent directly to the author via email at
26  * taneli.kalvas@jyu.fi.
27  *
28  * NOTICE. This software was developed under partial funding from the
29  * U.S. Department of Energy. As such, the U.S. Government has been
30  * granted for itself and others acting on its behalf a paid-up,
31  * nonexclusive, irrevocable, worldwide license in the Software to
32  * reproduce, prepare derivative works, and perform publicly and
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35  * of Energy, and subject to any subsequent five (5) year renewals,
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38  * the Software to reproduce, prepare derivative works, distribute
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40  * permit others to do so.
41  */
42 
43 #ifndef STLFILE_HPP
44 #define STLFILE_HPP 1
45 
46 
47 #include <fstream>
48 #include <string>
49 #include <vector>
50 #include <stdint.h>
51 #include "vtriangle.hpp"
52 #include "vec3d.hpp"
53 
54 
57 class STLFile {
58 
59  class Triangle {
60 
61  Vec3D _normal;
62  Vec3D _p[3];
63  uint16_t _attr;
64 
65  void static read_binary_float_vector( Vec3D &x, std::ifstream &ifstr );
66  void static read_ascii_float_vector( Vec3D &x, const char *buf,
67  const std::string &filename, int linec );
68  public:
69 
70  Triangle( std::ifstream &ifstr );
71  Triangle( std::ifstream &ifstr, const char *buf, const std::string &filename, int &linec );
72  ~Triangle();
73 
74  uint16_t attr( void ) const;
75  const Vec3D &normal( void ) const;
76  const Vec3D &operator[]( int i ) const {
77  return( _p[i] );
78  }
79 
80  void debug_print( std::ostream &os ) const;
81  };
82 
83  std::string _filename;
84  bool _ascii;
85  std::vector<Triangle> _tri; // Original triangles
86  VTriangleSurfaceSolid _solid;
87 
88  void read_binary( std::ifstream &ifstr );
89  void read_ascii( std::ifstream &ifstr );
90  void build_vtriangle_data( void );
91 
92 public:
93 
103  STLFile( const std::string &filename,
104  double vertex_matching_eps = 1.0e-9,
105  double signed_volume_eps = 1.0e-15 );
106 
109  STLFile( const std::vector<Vec3D> &vertex,
110  const std::vector<VTriangle> &triangle );
111 
114  ~STLFile();
115 
118  void save( const std::string &filename, bool ascii = true ) const;
119 
122  bool inside( const Vec3D &x ) {
123  return( _solid.inside( x ) );
124  }
125 
128  void get_bbox( Vec3D &min, Vec3D &max ) const {
129  _solid.get_bbox( min, max );
130  }
131 
134  void debug_print( std::ostream &os ) const;
135 };
136 
137 
138 #endif
139 
140 
Stereolithography CAD file class.
Definition: stlfile.hpp:57
STLFile(const std::vector< Vec3D > &vertex, const std::vector< VTriangle > &triangle)
Constructor for $STLFile from triangle and vertex data.
~STLFile()
Destructor.
Definition: stlfile.cpp:334
STLFile(const std::string &filename, double vertex_matching_eps=1.0e-9, double signed_volume_eps=1.0e-15)
Constructor for STL data from file.
Definition: stlfile.cpp:280
void get_bbox(Vec3D &min, Vec3D &max) const
Return bounding box in vectors min and max.
Definition: stlfile.hpp:128
void debug_print(std::ostream &os) const
Print debugging information to os.
Definition: stlfile.cpp:387
void save(const std::string &filename, bool ascii=true) const
Write to file.
Definition: stlfile.cpp:340
bool inside(const Vec3D &x)
Return if point x is inside solid.
Definition: stlfile.hpp:122
VTriangleSolid solid.
Definition: vtriangle.hpp:209
void get_bbox(Vec3D &min, Vec3D &max) const
Return bounding box in vectors min and max.
Definition: vtriangle.cpp:374
bool inside(const Vec3D &x) const
Return if point x is inside solid.
Definition: vtriangle.cpp:284
Three dimensional vector.
Definition: vec3d.hpp:58
Three dimensional vectors.
Vertex-based triangle representation.


Reference manual for Ion Beam Simulator 1.0.6dev
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