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ModQuadricT.hh
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42/*===========================================================================*\
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47\*===========================================================================*/
48
49
50//=============================================================================
51//
52// CLASS ModQuadricT
53//
54//=============================================================================
55
56#ifndef OSG_MODQUADRIC_HH
57#define OSG_MODQUADRIC_HH
58
59
60//== INCLUDES =================================================================
61
62#include <float.h>
64#include <OpenMesh/Core/Utils/Property.hh>
65#include <OpenMesh/Core/Utils/vector_cast.hh>
67
68
69//== NAMESPACE ================================================================
70
71namespace OpenMesh {
72namespace Decimater {
73
74
75//== CLASS DEFINITION =========================================================
76
77
82template <class MeshT>
83class ModQuadricT : public ModBaseT<MeshT>
84{
85public:
86
87 // Defines the types Self, Handle, Base, Mesh, and CollapseInfo
88 // and the memberfunction name()
89 DECIMATING_MODULE( ModQuadricT, MeshT, Quadric );
90
91public:
92
96 ModQuadricT( MeshT &_mesh )
97 : Base(_mesh, false)
98 {
100 Base::mesh().add_property( quadrics_ );
101 }
102
103
105 virtual ~ModQuadricT()
106 {
107 Base::mesh().remove_property(quadrics_);
108 }
109
110
111public: // inherited
112
114 virtual void initialize(void);
115
121 virtual float collapse_priority(const CollapseInfo& _ci)
122 {
123 using namespace OpenMesh;
124
126
127 Q q = Base::mesh().property(quadrics_, _ci.v0);
128 q += Base::mesh().property(quadrics_, _ci.v1);
129
130 double err = q(_ci.p1);
131
132 //min_ = std::min(err, min_);
133 //max_ = std::max(err, max_);
134
135 //double err = q( p );
136
137 return float( (err < max_err_) ? err : float( Base::ILLEGAL_COLLAPSE ) );
138 }
139
140
142 virtual void postprocess_collapse(const CollapseInfo& _ci)
143 {
144 Base::mesh().property(quadrics_, _ci.v1) +=
145 Base::mesh().property(quadrics_, _ci.v0);
146 }
147
149 void set_error_tolerance_factor(double _factor);
150
151
152
153public: // specific methods
154
161 void set_max_err(double _err, bool _binary=true)
162 {
163 max_err_ = _err;
164 Base::set_binary(_binary);
165 }
166
169 void unset_max_err(void)
170 {
171 max_err_ = DBL_MAX;
172 Base::set_binary(false);
173 }
174
176 double max_err() const { return max_err_; }
177
178
179private:
180
181 // maximum quadric error
182 double max_err_;
183
184 // this vertex property stores a quadric for each vertex
186};
187
188//=============================================================================
189} // END_NS_DECIMATER
190} // END_NS_OPENMESH
191//=============================================================================
192#if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_DECIMATER_MODQUADRIC_CC)
193#define OSG_MODQUADRIC_TEMPLATES
194#include "ModQuadricT.cc"
195#endif
196//=============================================================================
197#endif // OSG_MODQUADRIC_HH defined
198//=============================================================================
199
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:154
Bodies of template member function.
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition MeshItems.hh:64
Software related to mesh decimation.
/class QuadricT Geometry/QuadricT.hh
Definition QuadricT.hh:88
Handle representing a vertex property.
Definition Property.hh:488
ModBaseT(MeshT &_mesh, bool _is_binary)
Default constructor.
Definition ModBaseT.hh:212
ModQuadricT(MeshT &_mesh)
Constructor.
Definition ModQuadricT.hh:96
void set_error_tolerance_factor(double _factor)
set the percentage of maximum quadric error
Definition ModQuadricT.cc:141
void set_max_err(double _err, bool _binary=true)
Set maximum quadric error constraint and enable binary mode.
Definition ModQuadricT.hh:161
virtual ~ModQuadricT()
Destructor.
Definition ModQuadricT.hh:105
virtual void postprocess_collapse(const CollapseInfo &_ci)
Post-process halfedge collapse (accumulate quadrics)
Definition ModQuadricT.hh:142
double max_err() const
Return value of max. allowed error.
Definition ModQuadricT.hh:176
virtual void initialize(void)
Initalize the module and prepare the mesh for decimation.
Definition ModQuadricT.cc:78
void unset_max_err(void)
Definition ModQuadricT.hh:169
virtual float collapse_priority(const CollapseInfo &_ci)
Compute collapse priority based on error quadrics.
Definition ModQuadricT.hh:121

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