vtk3DSurfaceWidget.cxx

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/*=========================================================================

  Program:   wxMaracas
  Module:    $RCSfile: vtk3DSurfaceWidget.cxx,v $
  Language:  C++
  Date:      $Date: 2009/05/14 13:54:57 $
  Version:   $Revision: 1.1 $

  Copyright: (c) 2002, 2003
  License:
  
     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#include "vtk3DSurfaceWidget.h"
#include "../marDictionary.h"
#include <vtkInteractorStyleSwitch.h>
#include <vtkPointPicker.h>
#include <vtkPointData.h>
#include <vtkCellLocator.h>
#include <vtkCellArray.h>
#include <vtkStripper.h>
#include <vtkCamera.h>
#include "matrix.h"


#include "UtilVtk3DGeometriSelection.h"



//----------------------------------------------------------------------------
BEGIN_EVENT_TABLE( vtk3DSurfaceWidget, wxVTKRenderWindowInteractor )
    EVT_LEFT_DCLICK( vtk3DSurfaceWidget::OnLeftDClick )
        EVT_MOUSEWHEEL( vtk3DSurfaceWidget::OnMouseWheel )
END_EVENT_TABLE( );

//----------------------------------------------------------------------------
vtk3DSurfaceWidget::vtk3DSurfaceWidget( wxWindow* parent, wxWindowID id,
                                       const wxPoint& pos, const wxSize& size,
                                       long style, const wxString& name) 
                                       : wxVTKRenderWindowInteractor( parent, id, pos, size, style, name )
{
  //make current interactor style be trackbal camera, asked by radiologists.

        /*
  vtkInteractorStyleSwitch *iss = dynamic_cast<vtkInteractorStyleSwitch*>(this->GetInteractorStyle());
  iss->SetCurrentStyleToTrackballCamera();
  */


  vtkInteractorStyle3DMaracas *interactorStyle3DMaracas = vtkInteractorStyle3DMaracas::New(); 
//  interactorStyle3DMaracas->SetInteractor (this);
  this->SetInteractorStyle(interactorStyle3DMaracas);


  _pRenderer                    = vtkRenderer::New( );
  InitialSphere                 = 0;
  _centralLine                  = NULL;
  _centralLineMapper    = NULL;
  _centralLineActor             = NULL;
  _axesMapper                   = NULL;
  _axesActor                    = NULL;
  for(int i=0; i<4; i++) {
    _spheres[ i ]               = NULL;
    _spheresMapper[ i ] = NULL;
    _spheresActor[ i ]  = NULL;
  }
  _axesActor                    = NULL;
  _axesMapper                   = NULL;
  _surfActor                    = NULL;
  _surfMapper                   = NULL;
  _intVtkPanWid                 = NULL;
  _outActor                             = NULL;
  _outMapper                    = NULL;
  _outLine                              = NULL;
  _mCubes                               = NULL;
}
//----------------------------------------------------------------------------
vtk3DSurfaceWidget::~vtk3DSurfaceWidget(){

  //good luck:
  if( _outActor )           _outActor                   ->      Delete( );
  if( _outMapper )          _outMapper                  ->      Delete( );
  if( _outLine )            _outLine                    ->      Delete( );
  if( _surfActor )          _surfActor                  ->      Delete( );
  if( _surfMapper )         _surfMapper                 ->      Delete( );
  if( _mCubes )             _mCubes                             ->      Delete( );
  if( _centralLine )        _centralLine                ->      Delete( );
  if( _centralLineMapper )  _centralLineMapper  ->      Delete( );
  if( _centralLineActor )   _centralLineActor   ->      Delete( );
  if( _axesActor )          _axesActor                  ->      Delete();
  if( _axesMapper )         _axesMapper                 ->      Delete();
  for(int i=0; i<4; i++)
  {
    if( _spheres[ i ] )       _spheres[ i ]                     ->Delete( );
    if( _spheresMapper[ i ] ) _spheresMapper[ i ]       ->Delete( );
    if( _spheresActor[ i ] )  _spheresActor[ i ]        ->Delete( );
  }
  if( _pRenderer )          _pRenderer                  ->  Delete( );
}



//----------------------------------------------------------------------------
// virtual
void vtk3DSurfaceWidget::OnMouseWheel( wxMouseEvent& event ){ 
        if (_intVtkPanWid!=NULL) { _intVtkPanWid->CallBackOnMouseWheel(event);}
}
//----------------------------------------------------------------------------
void vtk3DSurfaceWidget::OnLeftDClick( wxMouseEvent& event ){
        double pp[ 3 ], cp[ 3 ];
        int eventrwi[2];
        vtkPointPicker* picker = vtkPointPicker::New( );        
        this->GetEventPosition( eventrwi );
        picker->Pick( eventrwi[0], eventrwi[1], 0.0, _pRenderer );
        _pRenderer->GetActiveCamera( )->GetPosition( cp );
        picker->GetPickPosition( pp );

        picker->Delete( );
        this->SetLast3DClickPoint( pp, cp );
        if (_intVtkPanWid!=NULL) { _intVtkPanWid->CallBackOnLeftDClick(event); }
}
//----------------------------------------------------------------------------
void vtk3DSurfaceWidget::GetLast3DClickPoint( double *pp, double *cp ){
        pp[0]=_lastPickPoint[0];
        pp[1]=_lastPickPoint[1];
        pp[2]=_lastPickPoint[2];
        cp[0]=_lastCameraPos[0];
        cp[1]=_lastCameraPos[1];
        cp[2]=_lastCameraPos[2];
}
//----------------------------------------------------------------------------
void vtk3DSurfaceWidget::SetLast3DClickPoint( double *pp, double *cp ){
        _lastPickPoint[0]=pp[0];
        _lastPickPoint[1]=pp[1];
        _lastPickPoint[2]=pp[2];
        _lastCameraPos[0]=cp[0];
        _lastCameraPos[1]=cp[1];
        _lastCameraPos[2]=cp[2];
}
//----------------------------------------------------------------------------
void vtk3DSurfaceWidget::Render( ){
        _pRenderWindow->Render();
}
//----------------------------------------------------------------------------
void vtk3DSurfaceWidget::InitCameraReset( ){
        _pRenderer->ResetCameraClippingRange();
        vtkCamera *cam=_pRenderer->GetActiveCamera();
        cam->Zoom(1.8);
// EED 31 Mai 2007
//      Render();
}
//----------------------------------------------------------------------------
void vtk3DSurfaceWidget::SetSurfaceColor( float red, float green, float blue )
{
  _surfActor->GetProperty()->SetColor(red, green, blue );
  _pRenderWindow->Render();
}
//----------------------------------------------------------------------------
void vtk3DSurfaceWidget::SetSurfaceVisibility( bool visible )
{
  _surfActor->SetVisibility( visible );
  _pRenderWindow->Render();
}
//----------------------------------------------------------------------------
void vtk3DSurfaceWidget::SetSurfaceIsoValue( int isoval )
{
  _mCubes->SetValue(0, isoval);
  _pRenderWindow->Render();
}
//----------------------------------------------------------------------------
void vtk3DSurfaceWidget::SetSurfaceOpacity( int opaval )
{
  //There is no way in Win32 to specify a slider different than 0->100
  _surfActor->GetProperty()->SetOpacity( (double)opaval/100.0 );
  _pRenderWindow->Render();
}
//----------------------------------------------------------------------------
void vtk3DSurfaceWidget::GetSphereCenter( double center[3] )
{
        _spheres[ 3 ]->GetCenter( center );
}
//----------------------------------------------------------------------------
void vtk3DSurfaceWidget::SetAxis( vtkPolyData *axis )
{
        _axesMapper = vtkPolyDataMapper::New( );
        _axesMapper->SetInput( axis );
        _axesMapper->Update();
    //axis->Delete();

        _axesActor = vtkActor::New( );
        _axesActor->SetMapper( _axesMapper );
        _axesActor->GetProperty()->SetColor( 1, 0, 0 );
        _axesActor->GetProperty()->SetLineWidth( 2.0 );
        _pRenderer->AddActor( _axesActor );

        //Generate a new vtkwindow ???
//EED 31 Mai 2007
//      _pRenderWindow->Render( );
 }
//----------------------------------------------------------------------------
void vtk3DSurfaceWidget::RemoveAxis( )
{
  if (_axesActor)
  {
      _pRenderer->RemoveActor(_axesActor);
      _axesActor->Delete();
      _axesActor = NULL;
      _pRenderWindow->Render( );
        }
}
//----------------------------------------------------------------------------
void vtk3DSurfaceWidget::ShowMARACASData( marInterface* mar ){
    int whd[3];

    _mar = mar;
    _marImageData = _mar->_experiment->getDynData( )->getVolume( )->castVtk();
    _marImageData->GetDimensions( whd );
    _width  = whd[0];
    _height = whd[1];
    _depth  = whd[2];

    _marImageData->GetScalarRange( _range );
    
    //Outline v2:
    // An outline provides context around the data.
    _outLine    = vtkOutlineFilter::New( );
    _outLine->SetInput( _marImageData );
    _outMapper  = vtkPolyDataMapper::New( );
    _outMapper->SetInput( _outLine->GetOutput( ) );
    _outActor   = vtkActor::New( );
    _outActor->SetMapper( _outMapper );
    _outActor->GetProperty( )->SetColor( 0.7, 0.0, 0.9 );
    //_outActor->PickableOff( );
    _pRenderer->AddActor( _outActor );

    // Surface
    _mCubes = vtkMarchingCubes::New( );
    _surfMapper = vtkPolyDataMapper::New( );
    _surfActor = vtkActor::New( );

    _mCubes->SetInput( _marImageData );
    _mCubes->SetValue( 0, _range[1] / 4 );

    vtkStripper *stripper = vtkStripper::New();
    stripper->SetInput( _mCubes->GetOutput( ) );

         _surfMapper->SetInput( stripper->GetOutput() );
    _surfMapper->ScalarVisibilityOff( );
    stripper->Delete();

    _surfActor->SetMapper( _surfMapper );
    _surfActor->PickableOff( );
    _surfActor->GetProperty( )->SetColor( 0.9803, 0.9215, 0.8392 );
    _surfActor->GetProperty( )->SetOpacity( 0.5 );
    _pRenderer->AddActor( _surfActor );

    // 1. ParallelProjectionOn should be set after AddActor (otherwise call vtkRenderer::ResetCameraClippingRange
    // 2. ParallelProjectionOn is *necessary* for the vtkImplicitSelectionLoop
    // otherwise this give a cone instead of a cylinder cutting.
    _pRenderer->GetActiveCamera()->ParallelProjectionOn();

}
//----------------------------------------------------------------------------
void vtk3DSurfaceWidget::ShowMARACASDataCT( marInterfaceCT* mar ){
    int whd[3];


    _marCT = mar;
    _marImageData = _marCT->getDynData()->getVolume()->castVtk();
    _marImageData->GetDimensions( whd );
    _width  = whd[0];
    _height = whd[1];
    _depth  = whd[2];

    _marImageData->GetScalarRange( _range );
    
        int a = (_marCT->GetExperiment())->getQuantStart();
    //Outline v2:
    // An outline provides context around the data.
    _outLine    = vtkOutlineFilter::New( );
    _outLine->SetInput( _marImageData );
    _outMapper  = vtkPolyDataMapper::New( );
    _outMapper->SetInput( _outLine->GetOutput( ) );
    _outActor   = vtkActor::New( );
    _outActor->SetMapper( _outMapper );
    _outActor->GetProperty( )->SetColor( 0.7, 0.0, 0.9 );
    //_outActor->PickableOff( );
    _pRenderer->AddActor( _outActor );

    // Surface
    _mCubes = vtkMarchingCubes::New( );
    _surfMapper = vtkPolyDataMapper::New( );
    _surfActor = vtkActor::New( );

    _mCubes->SetInput( _marImageData );
    _mCubes->SetValue( 0, _range[1] / 4 );

    vtkStripper *stripper = vtkStripper::New();
    stripper->SetInput( _mCubes->GetOutput( ) );

         _surfMapper->SetInput( stripper->GetOutput() );
    _surfMapper->ScalarVisibilityOff( );
    stripper->Delete();

    _surfActor->SetMapper( _surfMapper );
    _surfActor->PickableOff( );
    _surfActor->GetProperty( )->SetColor( 0.9803, 0.9215, 0.8392 );
    _surfActor->GetProperty( )->SetOpacity( 0.5 );
    _pRenderer->AddActor( _surfActor );

    // 1. ParallelProjectionOn should be set after AddActor (otherwise call vtkRenderer::ResetCameraClippingRange
    // 2. ParallelProjectionOn is *necessary* for the vtkImplicitSelectionLoop
    // otherwise this give a cone instead of a cylinder cutting.
    _pRenderer->GetActiveCamera()->ParallelProjectionOn();

}
//----------------------------------------------------------------------------
void vtk3DSurfaceWidget::SetInitialPoint(){
        this->SetInitialPoint( _lastPickPoint, _lastCameraPos );
}
//----------------------------------------------------------------------------
void vtk3DSurfaceWidget::SetInitialPoint( float* pickPoint, float* cameraPos ){
        marDictionary marDict;
        char ttmp[256];

    gtm::TVector< double > pO( 3 ), pF( 3 ), pp( 3 ), cp( 3 );
    gtm::TVector< double > xc( 3 );
    gtm::TVector< double > x1( 3 ), n1( 3 );
    gtm::TVector< double > x2( 3 ), n2( 3 );
    gtm::TVector< double > tmp( 3 );
    double fac;
    bool success                = true;
    int notSuccessType  = 0;

    if( _centralLineActor )
    {
        _pRenderer->RemoveActor( _centralLineActor );
        _centralLineActor->Delete( );
    } // fi
    if( _centralLineMapper ) _centralLineMapper->Delete( );
    if( _centralLine )       _centralLine->Delete( );

    _centralLine       = NULL;
    _centralLineMapper = NULL;
    _centralLineActor  = NULL;

    for(int i=0; i<4; i++)
    {
      if( _spheresActor[ i ] )
      {
        _pRenderer->RemoveActor( _spheresActor[ i ] );
        _spheresActor[ i ]->Delete( );
      } // fi
      if( _spheresMapper[ i ] ) _spheresMapper[ i ]->Delete( );
      if( _spheres[ i ] )       _spheres[ i ]->Delete( );
      _spheres[ i ] = NULL;
      _spheresMapper[ i ] = NULL;
      _spheresActor[ i ] = NULL;
    } //rof

    fac = GTM_MAX( _width, _height );
    fac = 2 * GTM_MAX( fac, _depth );
    pp( 0 ) = pickPoint[ 0 ]; pp( 1 ) = pickPoint[ 1 ]; pp( 2 ) = pickPoint[ 2 ];
    cp( 0 ) = cameraPos[ 0 ]; cp( 1 ) = cameraPos[ 1 ]; cp( 2 ) = cameraPos[ 2 ];


        UtilVtk3DGeometriSelection utilVtk3DGeometriSelection;
        utilVtk3DGeometriSelection.SetDimentions(_width,_height,_depth);
        utilVtk3DGeometriSelection.SetMarchingCube(_mCubes);

    if( utilVtk3DGeometriSelection.FindCubePointsFromPoints(
      pO.GetAnsiRef( ), pF.GetAnsiRef( ),
      pp.GetAnsiRef( ), cp.GetAnsiRef( )
    ) ) {

        if( utilVtk3DGeometriSelection.GetPointAndNormalIntersection(
            x1.GetAnsiRef( ), n1.GetAnsiRef( ),
            pO.GetAnsiRef( ), pF.GetAnsiRef( )
    ) ) {

            if( utilVtk3DGeometriSelection.GetPointAndNormalIntersection(
          x2.GetAnsiRef( ), n2.GetAnsiRef( ),
          ( x1 - n1 ).GetAnsiRef( ), ( x1 - ( n1 * fac ) ).GetAnsiRef( )
        ) ) {

                xc = ( x2 + x1 ) * 0.5;


                double dd=12; // EED   ****** ATENTION ****************

                if (!(
                        (xc(0)<dd) || (xc(1)<dd) || (xc(2)<dd) || 
                        (fabs(xc(0)-_width)<dd) || (fabs(xc(1)-_height)<dd) || (fabs(xc(2)-_depth)<dd) 
                        )){

                _mar->_experiment->setStartPoint( (int)xc( 0 ), (int)xc( 1 ), (int)xc( 2 ) );
        _mar->_experiment->getParameters( )->setROIStep( 2*( xc - x1 ).GetNorm( ) );

      for(int i=0; i<4; i++)
      {
        _spheres[ i ] = vtkSphereSource::New( );
        _spheresMapper[ i ] = vtkPolyDataMapper::New( );
        _spheresMapper[ i ]->SetInput( _spheres[ i ]->GetOutput( ) );
        _spheresActor[ i ] = vtkActor::New( );
        _spheresActor[ i ]->SetMapper( _spheresMapper[ i ] );
        _spheresActor[ i ]->PickableOff( );
        _pRenderer->AddActor( _spheresActor[ i ] );
      }

                _spheres[ 0 ]->SetCenter( x1( 0 ), x1( 1 ), x1( 2 ) );
                _spheres[ 1 ]->SetCenter( x2( 0 ), x2( 1 ), x2( 2 ) );
                _spheres[ 2 ]->SetCenter( xc( 0 ), xc( 1 ), xc( 2 ) );
                _spheres[ 3 ]->SetCenter( xc( 0 ), xc( 1 ), xc( 2 ) );

                _spheres[ 0 ]->SetRadius( 0.5 );
                _spheres[ 1 ]->SetRadius( 0.5 );
                _spheres[ 2 ]->SetRadius( 0.5 );
                _spheres[ 3 ]->SetRadius( ( xc - x1 ).GetNorm( ) );

                _spheresActor[ 0 ]->GetProperty( )->SetColor( 1.0, 0.0, 0.0 );
                _spheresActor[ 1 ]->GetProperty( )->SetColor( 0.0, 1.0, 0.0 );
                _spheresActor[ 2 ]->GetProperty( )->SetColor( 0.0, 0.0, 1.0 );
                _spheresActor[ 3 ]->GetProperty( )->SetColor( 1.0, 0.0, 0.0 );
                _spheresActor[ 3 ]->GetProperty( )->SetOpacity( 0.3 );

                vtkPoints* points = vtkPoints::New( );
                points->InsertNextPoint( x1.GetAnsiRef( ) );
                points->InsertNextPoint( x2.GetAnsiRef( ) );

                vtkCellArray* array = vtkCellArray::New( );
                array->InsertNextCell( 2 );
                array->InsertCellPoint( 0 );
                array->InsertCellPoint( 1 );

                _centralLine = vtkPolyData::New( );
                _centralLine->SetPoints( points );
                _centralLine->SetLines( array );
      points->Delete();
      array->Delete();

                _centralLineMapper = vtkPolyDataMapper::New( );
                _centralLineMapper->SetInput( _centralLine );

                _centralLineActor = vtkActor::New( );
                _centralLineActor->SetMapper( _centralLineMapper );
                _centralLineActor->GetProperty( )->SetColor( 1.0, 1.0, 1.0 );
                _centralLineActor->PickableOff( );
                _pRenderer->AddActor( _centralLineActor );


           } else  {success = false; notSuccessType=1; }

        } // fi

        } else success = false;

    } else success = false;

    // Show a message, if any.
    if (( !success ) && (notSuccessType==0)) {
                strcpy( ttmp , marDict.GetString(905) ); strcat( ttmp , "\n \n" ); strcat( ttmp , marDict.GetString(910) );
        wxMessageBox( wxString(ttmp, wxConvUTF8) , // "Set an initial point.\n \n (Double click over the interest artery.)"
                                          _T("DxMM : MARACAS"), wxOK | wxCENTRE | wxICON_INFORMATION, this);
        }
    if ((!success ) && (notSuccessType==1)) {
                strcpy( ttmp , marDict.GetString(915) ); strcat( ttmp , "\n \n" ); strcat( ttmp , marDict.GetString(920) );
        wxMessageBox( wxString(ttmp, wxConvUTF8), //"The initial point should be far \n of the limits of the volume."
                                          _T("DxMM : MARACAS"), wxOK | wxCENTRE | wxICON_INFORMATION, this);
        }
    // Finish
    _pRenderWindow->Render( );
    InitialSphere = success;

}
//----------------------------------------------------------------------------
void vtk3DSurfaceWidget::ConfigureVTK( )
{
  // get render window
  _pRenderWindow =  this->GetRenderWindow(  );

  // connect renderer and render window and configure render window
  _pRenderWindow->AddRenderer( _pRenderer );

  // configure renderer
  _pRenderer->SetBackground( 0.0, 0.0, 0.0 );
  //_pRenderer->SetBackground( 1, 1, 0);  //FIXME
  _pRenderer->GetActiveCamera( )->Zoom( 1.0 );
  _pRenderer->GetActiveCamera( )->SetClippingRange( 1, 1000 );
  _pRenderer->ResetCamera( );

//EED 22Mai2007 
//  AttachRenderWindow();

}


//----------------------------------------------------------------------------
vtkRenderer* vtk3DSurfaceWidget::GetRenderer(){
        return _pRenderer;
}
//----------------------------------------------------------------------------