git-svn-id: http://www.openflipper.org/svnrepo/OpenFlipper/branches/Free@7195 383ad7c9-94d9-4d36-a494-682f7c89f535

CMakeLists.txt

+include (plugin)
+openflipper_plugin ()

MeanCurvature.cc

+//=============================================================================
+//
+//                               OpenFlipper
+//        Copyright (C) 2008 by Computer Graphics Group, RWTH Aachen
+//                           www.openflipper.org
+//
+//-----------------------------------------------------------------------------
+//
+//                                License
+//
+//  OpenFlipper is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Lesser General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  OpenFlipper is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public License
+//  along with OpenFlipper.  If not, see <http://www.gnu.org/licenses/>.
+//
+//-----------------------------------------------------------------------------
+//
+//   $Revision$
+//   $Author$
+//   $Date$
+//
+//=============================================================================
+
+
+
+
+
+#include <QtGui>
+
+#include "MeanCurvature.hh"
+
+#include <iostream>
+#include <ACG/GL/GLState.hh>
+
+#include "OpenFlipper/BasePlugin/PluginFunctions.hh"
+#include <ObjectTypes/PolyMesh/PolyMesh.hh>
+#include <ObjectTypes/TriangleMesh/TriangleMesh.hh>
+
+#include <MeshTools/Curvature.hh>
+
+#ifdef USE_OPENMP
+#include <omp.h>
+#endif
+
+void MeanCurvaturePlugin::pluginsInitialized()
+{
+  emit addTexture( "Mean Curvature" , "mean_curvature.png" , 1 );
+  emit setTextureMode("Mean Curvature","clamp=true,center=true,repeat=false,clamp_min=-20,clamp_max=20");
+}
+
+void MeanCurvaturePlugin::slotUpdateTexture( QString _textureName , int _identifier )
+{
+   if ( _textureName != "Mean Curvature") {
+      return;
+  }
+
+   BaseObjectData* object;
+   if (! PluginFunctions::getObject(  _identifier , object ) ) {
+      return;
+   }
+
+   if ( object->dataType( DATA_TRIANGLE_MESH ) ) {
+      TriMesh* mesh = PluginFunctions::triMesh(object);
+      computeMeanCurvature(mesh);
+   }
+
+   if ( object->dataType( DATA_POLY_MESH ) ) {
+      PolyMesh* mesh = PluginFunctions::polyMesh(object);
+      computeMeanCurvature(mesh);
+   }
+
+   emit updatedTextures("Mean Curvature",_identifier);
+}
+
+template< typename MeshT >
+void MeanCurvaturePlugin::computeMeanCurvature(MeshT* _mesh) {
+
+  OpenMesh::VPropHandleT< double > mean;
+
+  if(!_mesh->get_property_handle( mean, "Mean Curvature"))
+    _mesh->add_property( mean, "Mean Curvature" );
+
+  QTime time;
+  time.start();
+  std::vector< typename MeshT::VertexHandle > handles;
+  handles.reserve(_mesh->n_vertices());
+  for ( typename MeshT::VertexIter v_it = _mesh->vertices_begin() ; v_it != _mesh->vertices_end(); ++v_it)
+    handles.push_back( v_it.handle() );
+
+  #ifdef USE_OPENMP
+    #pragma omp parallel for
+  #endif
+  for ( int i = 0 ; i < (int)handles.size(); ++i ) {
+
+    const typename MeshT::VertexHandle handle = handles[i];
+    ACG::Vec3d curva(0.0,0.0,0.0);
+    double area = 0.0;
+    curvature::discrete_mean_curv_op<MeshT,ACG::Vec3d,double>(*_mesh,handle,curva,area);
+    double curv  = curva.norm();
+
+    if ( (curva | _mesh->normal(handle)) <0 )
+      curv = -curv;
+
+    _mesh->property(mean,handle) =  curv;
+  }
+/*
+  #ifdef USE_OPENMP
+    std::cerr << "MeanCurvature parallel took : " << time.elapsed() << std::endl;
+  #else
+    std::cerr << "MeanCurvature sequential took : " << time.elapsed() << std::endl;
+  #endif*/
+
+}
+
+Q_EXPORT_PLUGIN2( meancurvatureplugin , MeanCurvaturePlugin );
+

MeanCurvature.hh

+//=============================================================================
+//
+//                               OpenFlipper
+//        Copyright (C) 2008 by Computer Graphics Group, RWTH Aachen
+//                           www.openflipper.org
+//
+//-----------------------------------------------------------------------------
+//
+//                                License
+//
+//  OpenFlipper is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Lesser General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  OpenFlipper is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public License
+//  along with OpenFlipper.  If not, see <http://www.gnu.org/licenses/>.
+//
+//-----------------------------------------------------------------------------
+//
+//   $Revision$
+//   $Author$
+//   $Date$
+//
+//=============================================================================
+
+
+
+
+#ifndef MEANCURVATUREPLUGIN_HH
+#define MEANCURVATUREPLUGIN_HH
+
+#include <QObject>
+#include <QMenuBar>
+
+#include <OpenFlipper/BasePlugin/BaseInterface.hh>
+#include <OpenFlipper/BasePlugin/TextureInterface.hh>
+#include <OpenFlipper/common/Types.hh>
+
+class MeanCurvaturePlugin : public QObject, BaseInterface, TextureInterface
+{
+  Q_OBJECT
+  Q_INTERFACES(BaseInterface)
+  Q_INTERFACES(TextureInterface)
+
+  signals:
+
+    void addTexture( QString _textureName , QString _filename , uint dimension );
+    void updatedTextures( QString , int );
+    void setTextureMode(QString _textureName ,QString _mode);
+
+  private slots:
+    void slotUpdateTexture( QString _textureName , int _identifier );
+
+    void pluginsInitialized();
+
+  public :
+
+    ~MeanCurvaturePlugin() {};
+
+    void exit(){};
+
+    template< typename MeshT >
+    void computeMeanCurvature(MeshT* _mesh);
+
+    QString name() { return (QString("MeanCurvature")); };
+    QString description( ) { return (QString("Generates Mean Curvature information")); };
+
+  public slots:
+    QString version() { return QString("1.0"); };
+};
+
+#endif //MEANCURVATUREPLUGIN_HH

Plugin-MeanCurvature.pro

+################################################################################
+#
+################################################################################
+
+include( $$TOPDIR/qmake/all.include )
+
+Plugin()
+openmp()
+
+DIRECTORIES = .
+
+# Input
+HEADERS += $$getFilesFromDir($$DIRECTORIES,*.hh)
+SOURCES += $$getFilesFromDir($$DIRECTORIES,*.cc)
+FORMS     += $$getFilesFromDir($$DIRECTORIES,*.ui)
+
+################################################################################