Developer Documentation

LaplacePlugin.cc
1 /*===========================================================================*\
2 * *
3 * OpenFlipper *
4 * Copyright (c) 2001-2015, RWTH-Aachen University *
5 * Department of Computer Graphics and Multimedia *
6 * All rights reserved. *
7 * www.openflipper.org *
8 * *
9 *---------------------------------------------------------------------------*
10 * This file is part of OpenFlipper. *
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
43
44
45 #include "LaplacePlugin.hh"
46
47 #include "OpenFlipper/BasePlugin/PluginFunctions.hh"
48 #include <ObjectTypes/PolyMesh/PolyMesh.hh>
49 #include <ObjectTypes/TriangleMesh/TriangleMesh.hh>
50
51 #ifdef USE_OPENMP
52 #endif
53
54
55 #define UNIFORM_LAPLACE_NAME "Uniform Laplace Length"
56 #define UNIFORM_LAPLACE_SQUARED_NAME "Uniform Laplace Squared Length"
57
58 void LaplaceLengthPlugin::pluginsInitialized()
59 {
60 emit addTexture( UNIFORM_LAPLACE_NAME , "laplace_length.png" , 1 );
61 emit setTextureMode(UNIFORM_LAPLACE_NAME,"clamp=true,center=true,repeat=false,clamp_min=-20,clamp_max=20");
62
63 emit addTexture( UNIFORM_LAPLACE_SQUARED_NAME , "laplace_length.png" , 1 );
64 emit setTextureMode(UNIFORM_LAPLACE_SQUARED_NAME,"clamp=true,center=true,repeat=false,clamp_min=-20,clamp_max=20");
65 }
66
67 void LaplaceLengthPlugin::slotUpdateTexture( QString _textureName , int _identifier )
68 {
69 if ( (_textureName != UNIFORM_LAPLACE_SQUARED_NAME) && (_textureName != UNIFORM_LAPLACE_NAME ) ) {
70 return;
71 }
72
73 BaseObjectData* object;
74 if (! PluginFunctions::getObject( _identifier , object ) ) {
75 return;
76 }
77
78 if ( object->dataType( DATA_TRIANGLE_MESH ) ) {
79 TriMesh* mesh = PluginFunctions::triMesh(object);
80 if ( _textureName == UNIFORM_LAPLACE_NAME ) {
81 computeLaplaceLength(mesh);
82 emit updatedTextures(UNIFORM_LAPLACE_NAME,_identifier);
83 }
84 if ( _textureName == UNIFORM_LAPLACE_SQUARED_NAME ) {
85 computeLaplaceSquaredLength(mesh);
86 emit updatedTextures(UNIFORM_LAPLACE_SQUARED_NAME,_identifier);
87 }
88 }
89
90 if ( object->dataType( DATA_POLY_MESH ) ) {
91 PolyMesh* mesh = PluginFunctions::polyMesh(object);
92 if ( _textureName == UNIFORM_LAPLACE_NAME ) {
93 computeLaplaceLength(mesh);
94 emit updatedTextures(UNIFORM_LAPLACE_NAME,_identifier);
95 }
96 if ( _textureName == UNIFORM_LAPLACE_SQUARED_NAME ) {
97 computeLaplaceSquaredLength(mesh);
98 emit updatedTextures(UNIFORM_LAPLACE_SQUARED_NAME,_identifier);
99 }
100 }
101 }
102
103 template< typename MeshT >
104 void LaplaceLengthPlugin::computeLaplaceLength(MeshT* _mesh) {
105 OpenMesh::VPropHandleT< ACG::Vec3d > laplace_vector_property;
106 OpenMesh::VPropHandleT< double > laplace_length_property;
107
108 if(!_mesh->get_property_handle( laplace_vector_property , "Laplace Vector" ))
109 _mesh->add_property( laplace_vector_property, "Laplace Vector" );
110
111 if(!_mesh->get_property_handle( laplace_length_property , UNIFORM_LAPLACE_NAME ))
112 _mesh->add_property( laplace_length_property, UNIFORM_LAPLACE_NAME );
113
114
115 QTime time;
116 time.start();
117 std::vector< typename MeshT::VertexHandle > handles;
118 handles.reserve(_mesh->n_vertices());
119 for ( typename MeshT::VertexIter v_it = _mesh->vertices_begin() ; v_it != _mesh->vertices_end(); ++v_it)
120 handles.push_back( *v_it );
121
122 #ifdef USE_OPENMP
123 #pragma omp parallel for
124 #endif
125 for ( int i = 0 ; i < (int)handles.size(); ++i ) {
126 const typename MeshT::VertexHandle handle = handles[i];
127
128 ACG::Vec3d laplace(0.0,0.0,0.0);
129 for ( typename MeshT::VertexVertexIter vv_it(*_mesh , handle) ; vv_it.is_valid() ; ++vv_it )
130 laplace += _mesh->point(*vv_it) - _mesh->point(handle);
131
132 laplace = 1.0 /(double)_mesh->valence(handle) * laplace;
133 _mesh->property(laplace_vector_property,handle) = laplace;
134 _mesh->property(laplace_length_property,handle) = laplace.norm();
135 }
136
137 // #ifdef USE_OPENMP
138 // std::cerr << "Laplace parallel took : " << time.elapsed() << std::endl;
139 // #else
140 // std::cerr << "Laplace sequential took : " << time.elapsed() << std::endl;
141 // #endif
142
143 }
144
145 template< typename MeshT >
146 void LaplaceLengthPlugin::computeLaplaceSquaredLength(MeshT* _mesh) {
147 computeLaplaceLength(_mesh);
148
149 OpenMesh::VPropHandleT< ACG::Vec3d > laplace_property;
150 OpenMesh::VPropHandleT< double > laplace_squared;
151
152 if(!_mesh->get_property_handle( laplace_property , "Laplace Vector" )) {
153 std::cerr << "LaplaceLengthPlugin : Unable to get Laplace Vector property" << std::endl;
154 return;
155 }
156
157 if(!_mesh->get_property_handle( laplace_squared , UNIFORM_LAPLACE_SQUARED_NAME ))
158 _mesh->add_property( laplace_squared, UNIFORM_LAPLACE_SQUARED_NAME );
159
160 QTime time;
161 time.start();
162 std::vector< typename MeshT::VertexHandle > handles;
163 handles.reserve(_mesh->n_vertices());
164 for ( typename MeshT::VertexIter v_it = _mesh->vertices_begin() ; v_it != _mesh->vertices_end(); ++v_it)
165 handles.push_back( *v_it );
166
167 #ifdef USE_OPENMP
168 #pragma omp parallel for
169 #endif
170 for ( int i = 0 ; i < (int)handles.size(); ++i ) {
171 const typename MeshT::VertexHandle handle = handles[i];
172
173 ACG::Vec3d laplace(0.0,0.0,0.0);
174 for ( typename MeshT::VertexVertexIter vv_it(*_mesh , handle) ; vv_it.is_valid() ; ++vv_it )
175 laplace += _mesh->property(laplace_property,*vv_it) - _mesh->property(laplace_property,handle);
176 laplace = 1.0 /(double)_mesh->valence(handle) * laplace;
177 _mesh->property(laplace_squared,handle) = laplace.norm();
178 }
179
180 // #ifdef USE_OPENMP
181 // std::cerr << "Laplace Squared parallel took : " << time.elapsed() << std::endl;
182 // #else
183 // std::cerr << "Laplace Squared sequential took : " << time.elapsed() << std::endl;
184 // #endif
185 }
186
187
188
189
OpenMesh::VPropHandleT
Definition: Property.hh:484
DATA_TRIANGLE_MESH
#define DATA_TRIANGLE_MESH
Definition: TriangleMesh.hh:60
DATA_POLY_MESH
#define DATA_POLY_MESH
Definition: PolyMesh.hh:59
PluginFunctions::polyMesh
PolyMesh * polyMesh(BaseObjectData *_object)
Get a poly mesh from an object.
Definition: PluginFunctionsPolyMesh.cc:128
PluginFunctions::getObject
bool getObject(const int _identifier, BaseObject *&_object)
Get the object which has the given identifier.
Definition: PluginFunctions.cc:296
OpenMesh::VectorT
Definition: Vector11T.hh:83
PluginFunctions::triMesh
TriMesh * triMesh(BaseObjectData *_object)
Get a triangle mesh from an object.
Definition: PluginFunctionsTriangleMesh.cc:134
PluginFunctions.hh
BaseObject::dataType
bool dataType(DataType _type) const
Definition: BaseObject.cc:221
TriangleMesh.hh
BaseObjectData
Definition: BaseObjectData.hh:102
PolyMesh.hh