OpenMesh
ModAspectRatioT.hh
Go to the documentation of this file.
1 /* ========================================================================= *
2  * *
3  * OpenMesh *
4  * Copyright (c) 2001-2022, RWTH-Aachen University *
5  * Department of Computer Graphics and Multimedia *
6  * All rights reserved. *
7  * www.openmesh.org *
8  * *
9  *---------------------------------------------------------------------------*
10  * This file is part of OpenMesh. *
11  *---------------------------------------------------------------------------*
12  * *
13  * Redistribution and use in source and binary forms, with or without *
14  * modification, are permitted provided that the following conditions *
15  * are met: *
16  * *
17  * 1. Redistributions of source code must retain the above copyright notice, *
18  * this list of conditions and the following disclaimer. *
19  * *
20  * 2. Redistributions in binary form must reproduce the above copyright *
21  * notice, this list of conditions and the following disclaimer in the *
22  * documentation and/or other materials provided with the distribution. *
23  * *
24  * 3. Neither the name of the copyright holder nor the names of its *
25  * contributors may be used to endorse or promote products derived from *
26  * this software without specific prior written permission. *
27  * *
28  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
29  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
30  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
31  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
32  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
33  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
34  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
35  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
36  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
37  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
38  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
39  * *
40  * ========================================================================= */
41 
42 
46 //=============================================================================
47 //
48 // CLASS ModAspectRatioT
49 //
50 //=============================================================================
51 
52 #ifndef OPENMESH_DECIMATER_MODASPECTRATIOT_HH
53 #define OPENMESH_DECIMATER_MODASPECTRATIOT_HH
54 
55 //== INCLUDES =================================================================
56 
58 #include <OpenMesh/Core/Utils/Property.hh>
59 
60 //== NAMESPACES ===============================================================
61 
62 namespace OpenMesh {
63 namespace Decimater {
64 
65 //== CLASS DEFINITION =========================================================
66 
80 template<class MeshT>
81 class ModAspectRatioT: public ModBaseT<MeshT> {
82  public:
83 
84  DECIMATING_MODULE( ModAspectRatioT, MeshT, AspectRatio )
85  ;
86 
87  typedef typename Mesh::Scalar Scalar;
88  typedef typename Mesh::Point Point;
89 
91  ModAspectRatioT(MeshT& _mesh, float _min_aspect = 5.0, bool _is_binary =
92  true) :
93  Base(_mesh, _is_binary), mesh_(Base::mesh()), min_aspect_(
94  1.f / _min_aspect) {
95  mesh_.add_property(aspect_);
96  }
97 
100  mesh_.remove_property(aspect_);
101  }
102 
104  float aspect_ratio() const {
105  return 1.f / min_aspect_;
106  }
107 
109  void set_aspect_ratio(float _f) {
110  min_aspect_ = 1.f / _f;
111  }
112 
114  void initialize() override;
115 
117  float collapse_priority(const CollapseInfo& _ci) override;
118 
120  void preprocess_collapse(const CollapseInfo& _ci) override;
121 
123  void set_error_tolerance_factor(double _factor) override;
124 
125  private:
126 
130  Scalar aspectRatio(const Point& _v0, const Point& _v1, const Point& _v2);
131 
132  private:
133 
134  Mesh& mesh_;
135  float min_aspect_;
136  FPropHandleT<float> aspect_;
137 };
138 
139 //=============================================================================
140 }// END_NS_DECIMATER
141 } // END_NS_OPENMESH
142 //=============================================================================
143 #if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_DECIMATER_MODASPECTRATIOT_C)
144 #define OPENMESH_DECIMATER_MODASPECTRATIOT_TEMPLATES
145 #include "ModAspectRatioT_impl.hh"
146 #endif
147 //=============================================================================
148 #endif // OPENMESH_DECIMATER_MODASPECTRATIOT_HH defined
149 //=============================================================================
150 
Base class for all decimation modules.
#define DECIMATING_MODULE(Classname, MeshT, Name)
Convenience macro, to be used in derived modules The macro defines the types.
Definition: ModBaseT.hh:149
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:59
Polygonal mesh based on the ArrayKernel.
Definition: PolyMesh_ArrayKernelT.hh:96
Kernel::Scalar Scalar
Scalar type.
Definition: PolyMeshT.hh:110
Use aspect ratio to control decimation.
Definition: ModAspectRatioT.hh:81
float aspect_ratio() const
get aspect ratio
Definition: ModAspectRatioT.hh:104
ModAspectRatioT(MeshT &_mesh, float _min_aspect=5.0, bool _is_binary=true)
constructor
Definition: ModAspectRatioT.hh:91
~ModAspectRatioT()
destructor
Definition: ModAspectRatioT.hh:99
void preprocess_collapse(const CollapseInfo &_ci) override
update aspect ratio of one-ring
Definition: ModAspectRatioT_impl.hh:113
float collapse_priority(const CollapseInfo &_ci) override
Returns the collapse priority.
Definition: ModAspectRatioT_impl.hh:133
void set_aspect_ratio(float _f)
set aspect ratio
Definition: ModAspectRatioT.hh:109
void set_error_tolerance_factor(double _factor) override
set percentage of aspect ratio
Definition: ModAspectRatioT_impl.hh:183
void initialize() override
precompute face aspect ratio
Definition: ModAspectRatioT_impl.hh:96
Base class for all decimation modules.
Definition: ModBaseT.hh:193
MeshT & mesh()
Access the mesh associated with the decimater.
Definition: ModBaseT.hh:277

Project OpenMesh, ©  Visual Computing Institute, RWTH Aachen. Documentation generated using doxygen .