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PolygonalMesh.h
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1 #ifndef SimTK_SimTKCOMMON_POLYGONAL_MESH_H_
2 #define SimTK_SimTKCOMMON_POLYGONAL_MESH_H_
3 
4 /* -------------------------------------------------------------------------- *
5  * Simbody(tm): SimTKcommon *
6  * -------------------------------------------------------------------------- *
7  * This is part of the SimTK biosimulation toolkit originating from *
8  * Simbios, the NIH National Center for Physics-Based Simulation of *
9  * Biological Structures at Stanford, funded under the NIH Roadmap for *
10  * Medical Research, grant U54 GM072970. See https://simtk.org/home/simbody. *
11  * *
12  * Portions copyright (c) 2008-14 Stanford University and the Authors. *
13  * Authors: Peter Eastman *
14  * Contributors: Michael Sherman *
15  * *
16  * Licensed under the Apache License, Version 2.0 (the "License"); you may *
17  * not use this file except in compliance with the License. You may obtain a *
18  * copy of the License at http://www.apache.org/licenses/LICENSE-2.0. *
19  * *
20  * Unless required by applicable law or agreed to in writing, software *
21  * distributed under the License is distributed on an "AS IS" BASIS, *
22  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
23  * See the License for the specific language governing permissions and *
24  * limitations under the License. *
25  * -------------------------------------------------------------------------- */
26 
27 #include "SimTKcommon/Simmatrix.h"
29 
30 namespace SimTK {
31 
32 class PolygonalMesh;
33 class PolygonalMeshImpl;
34 
35 // We only want the template instantiation to occur once. This symbol is defined
36 // in the SimTKcommon compilation unit that defines the PolygonalMesh class but
37 // should not be defined any other time.
38 #ifndef SimTK_SIMTKCOMMON_DEFINING_POLYGONALMESH
39  extern template class PIMPLHandle<PolygonalMesh, PolygonalMeshImpl, true>;
40 #endif
41 
72 public:
75 
87  static PolygonalMesh createSphereMesh(Real radius,
88  int resolution = 1);
89 
122  static PolygonalMesh createBrickMesh(const Vec3& halfDims,
123  int resolution = 1);
124 
153  static PolygonalMesh createCylinderMesh(const UnitVec3& axis,
154  Real radius,
155  Real halfLength,
156  int resolution=1);
157 
160  void clear();
161 
163  int getNumFaces() const;
165  int getNumVertices() const;
166 
171  const Vec3& getVertexPosition(int vertex) const;
174  int getNumVerticesForFace(int face) const;
181  int getFaceVertex(int face, int vertex) const;
182 
187  int addVertex(const Vec3& position);
188 
197  int addFace(const Array_<int>& vertices);
198 
206  PolygonalMesh& scaleMesh(Real scale);
207 
214  PolygonalMesh& transformMesh(const Transform& X_AM);
215 
227  void loadFile(const String& pathname);
228 
233  void loadObjFile(const String& pathname);
234 
240  void loadObjFile(std::istream& file);
241 
246  void loadVtpFile(const String& pathname);
247 
256  void loadStlFile(const String& pathname);
257 
258 private:
259  explicit PolygonalMesh(PolygonalMeshImpl* impl) : HandleBase(impl) {}
260  void initializeHandleIfEmpty();
261 };
262 
263 } // namespace SimTK
264 
265 #endif // SimTK_SimTKCOMMON_POLYGONAL_MESH_H_
#define SimTK_SimTKCOMMON_EXPORT
Definition: SimTKcommon/include/SimTKcommon/internal/common.h:202
This is the top-level SimTK namespace into which all SimTK names are placed to avoid collision with o...
Definition: Assembler.h:37
SimTK_Real Real
This is the default compiled-in floating point type for SimTK, either float or double.
Definition: SimTKcommon/include/SimTKcommon/internal/common.h:577
This class provides a description of a mesh made of polygonal faces (not limited to triangles)...
Definition: PolygonalMesh.h:70
SimTK::String is a plug-compatible std::string replacement (plus some additional functionality) inten...
Definition: String.h:62
This is the header which should be included in user programs that would like to make use of all the S...
PolygonalMesh()
Create an empty PolygonalMesh, with no vertices or faces.
Definition: PolygonalMesh.h:74
This header provides declarations of the user-visible portion of the PIMPLHandle template classes tha...