IsotropicRemesherPlugin.cc 10.4 KB
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/*===========================================================================*\
*                                                                            *
*                              OpenFlipper                                   *
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 *           Copyright (c) 2001-2015, RWTH-Aachen University                 *
 *           Department of Computer Graphics and Multimedia                  *
 *                          All rights reserved.                             *
 *                            www.openflipper.org                            *
 *                                                                           *
 *---------------------------------------------------------------------------*
 * This file is part of OpenFlipper.                                         *
 *---------------------------------------------------------------------------*
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 * Redistribution and use in source and binary forms, with or without        *
 * modification, are permitted provided that the following conditions        *
 * are met:                                                                  *
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 * 1. Redistributions of source code must retain the above copyright notice, *
 *    this list of conditions and the following disclaimer.                  *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS       *
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*                                                                            *
\*===========================================================================*/

/*===========================================================================*\
*                                                                            *
*   $Revision$                                                       *
*   $LastChangedBy$                                                *
*   $Date$                     *
*                                                                            *
\*===========================================================================*/

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#include "IsotropicRemesherPlugin.hh"
#include "IsotropicRemesherT.hh"

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IsotropicRemesherPlugin::IsotropicRemesherPlugin() :
tool_(0),
toolIcon_(0),
edgeLength_(0),
thread_(0)
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{
}

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/// init the Toolbox
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void IsotropicRemesherPlugin::initializePlugin() {
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  if ( OpenFlipper::Options::gui() ) {
    tool_ = new IsotropicRemesherToolBox();
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    QSize size(300, 300);
    tool_->resize(size);
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    connect(tool_->remeshButton, SIGNAL(clicked()), this, SLOT(slotRemeshButtonClicked()) );
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    connect(tool_->minEdgeLength, SIGNAL(clicked()), this, SLOT(slotSetMinLength()) );
    connect(tool_->maxEdgeLength, SIGNAL(clicked()), this, SLOT(slotSetMaxLength()) );
    connect(tool_->meanEdgeLength, SIGNAL(clicked()), this, SLOT(slotSetMeanLength()) );
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    toolIcon_ = new QIcon(OpenFlipper::Options::iconDirStr()+OpenFlipper::Options::dirSeparator()+"remesher.png");
    emit addToolbox( tr("Isotropic Remesher") , tool_, toolIcon_ );
  }
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}

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void IsotropicRemesherPlugin::slotRemeshButtonClicked() {
  edgeLength_ = tool_->targetEdgeLength->value();
  
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  if ( thread_ == 0){
    thread_ = new OpenFlipperThread(name() + "IsotropicRemesh");                         // Create your thread containing a unique id \n
    connect(thread_,SIGNAL( finished(QString)), this,SIGNAL(finishJob(QString)));                           // connect your threads finish info to the global one ( you can do the same for a local one ) \n
    connect(thread_,SIGNAL( function() ), this,SLOT(slotRemesh()),Qt::DirectConnection);           // You can directly give a slot of your app that gets called \n
    connect(this,SIGNAL( finishJob(QString)), this, SLOT(threadFinished(QString)), Qt::QueuedConnection);
  }

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  emit startJob( name() + "IsotropicRemesh", "Isotropic remeshing" , 0 , 100 , true);  // As long as meshes cannot be locked, this thread has to be blocking. Otherwise, during operation the mesh could be deleted. We don't want that!

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  thread_->start();                                                                                       // start thread
  thread_->startProcessing();                                                                             // start processing
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}

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void IsotropicRemesherPlugin::slotRemesh(){

  //read one target objects
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  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::TARGET_OBJECTS,DataType(DATA_TRIANGLE_MESH)) ;
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                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {

    //check dataType
    if ( o_it->dataType(DATA_TRIANGLE_MESH) ) {
      TriMesh* mesh = PluginFunctions::triMesh(o_it);

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      ProgressEmitter prgEmt(name() + "IsotropicRemesh");
      connect (&prgEmt, SIGNAL(changeDescription(QString,QString)), this, SIGNAL(setJobDescription(QString,QString)) );
      connect (&prgEmt, SIGNAL(signalJobState(QString,int)), this, SIGNAL(setJobState(QString,int)) );
      IsotropicRemesher< TriMesh > remesher(&prgEmt);
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      remesher.remesh(*mesh, edgeLength_);
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      mesh->update_normals();

    }else{
      emit log("Remeshing currently only implemented for triangle Meshes");
    }
  }
}

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void IsotropicRemesherPlugin::threadFinished(QString /*_jobId*/) {
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  std::cerr << "threadFinished() called" << std::endl;
  
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  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::TARGET_OBJECTS,DataType(DATA_TRIANGLE_MESH)) ;
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                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {

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      emit updatedObject( o_it->id(), UPDATE_ALL );
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      emit createBackup(o_it->id(),"Isotropic Remeshing");
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      emit updateView();
    
  }
}

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void IsotropicRemesherPlugin::slotSetMinLength()
{
  double current = 0.0;
  bool first = true;

  bool ok;
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  emit functionExists( "infomeshobject" , "minEdgeLength(int)", ok  ) ;
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  if (!ok)
    return;

  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::TARGET_OBJECTS,DataType(DATA_TRIANGLE_MESH)) ;
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {

    if (first)
    {
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      current = RPC::callFunctionValue<double>("infomeshobject" , "minEdgeLength",o_it->id() );
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      first = false;
    }
    else
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      current = qMin (current, RPC::callFunctionValue<double>("infomeshobject" , "minEdgeLength",o_it->id() ));
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  }

  if (!first)
    tool_->targetEdgeLength->setValue (current);
}

void IsotropicRemesherPlugin::slotSetMaxLength()
{
  double current = 0.0;
  bool first = true;

  bool ok;
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  emit functionExists( "infomeshobject" , "maxEdgeLength(int)", ok  ) ;
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  if (!ok)
    return;

  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::TARGET_OBJECTS,DataType(DATA_TRIANGLE_MESH)) ;
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {

    if (first)
    {
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      current = RPC::callFunctionValue<double>("infomeshobject" , "maxEdgeLength",o_it->id() );
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      first = false;
    }
    else
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      current = qMax (current, RPC::callFunctionValue<double>("infomeshobject" , "maxEdgeLength",o_it->id() ));
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  }

  if (!first)
    tool_->targetEdgeLength->setValue (current);
}

void IsotropicRemesherPlugin::slotSetMeanLength()
{
  double current = 0.0;
  int  div = 0;

  bool ok;
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  emit functionExists( "infomeshobject" , "edgeCount(int)", ok  ) ;
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  if (!ok)
    return;

  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::TARGET_OBJECTS,DataType(DATA_TRIANGLE_MESH)) ;
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {


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    current += RPC::callFunctionValue<int>   ("infomeshobject" , "edgeCount",o_it->id()) *
               RPC::callFunctionValue<double>("infomeshobject" , "meanEdgeLength",o_it->id() );
    div     += RPC::callFunctionValue<int>   ("infomeshobject" , "edgeCount",o_it->id()      );
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  }

  if (div > 0)
    tool_->targetEdgeLength->setValue (current / div);
}


/// Initialize the plugin
void IsotropicRemesherPlugin::pluginsInitialized(){

  emit setSlotDescription("isotropicRemesh(int,double)", "Isotropic Remeshing",
                          QString("object_id,targetEdgeLength").split(","),
                          QString("id of an object, target edge length").split(","));
}


void IsotropicRemesherPlugin::isotropicRemesh(int _objectID, double _targetEdgeLength ){
  BaseObjectData* object  = 0;


  if ( PluginFunctions::getObject(_objectID, object) ){

    //check dataType
    if ( object->dataType(DATA_TRIANGLE_MESH)) {

      TriMesh* mesh = PluginFunctions::triMesh(object);

      IsotropicRemesher< TriMesh > remesher;

      remesher.remesh(*mesh, _targetEdgeLength);

      mesh->update_normals();

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      emit updatedObject( object->id(), UPDATE_ALL );
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      emit scriptInfo("isotropicRemesh(" + QString::number(_objectID) + ", " + QString::number(_targetEdgeLength) + ")");
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      emit updateView();

      return;

    }else{
      emit log("Remeshing currently only implemented for triangle Meshes");
      return;
    }
  }else{
    emit log("Unable to get object");
  }
}

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