void mitk::PlanarFigure::InitializeTimeGeometry( unsigned int timeSteps )
{
  mitk::PlaneGeometry::Pointer geometry2D = mitk::PlaneGeometry::New();
  geometry2D->Initialize();

  // The geometry is propagated automatically to all time steps,
  // if EvenlyTimed is true...
  ProportionalTimeGeometry::Pointer timeGeometry = ProportionalTimeGeometry::New();
  timeGeometry->Initialize(geometry2D, timeSteps);
  SetTimeGeometry(timeGeometry);
}
void mitk::PlaneGeometryData::SetPlaneGeometry(mitk::PlaneGeometry *geometry2d)
{
  if(geometry2d != NULL)
  {
    ProportionalTimeGeometry::Pointer timeGeometry = ProportionalTimeGeometry::New();
    timeGeometry->Initialize(geometry2d, 1);
    SetTimeGeometry(timeGeometry);
    Modified();
  }
  else
    Superclass::SetGeometry(geometry2d);
}
void mitk::PlanarFigure::InitializeTimeGeometry( unsigned int timeSteps )
{
  mitk::Geometry2D::Pointer geometry2D = mitk::Geometry2D::New();
  geometry2D->Initialize();

  if ( timeSteps > 1 )
  {
    mitk::ScalarType timeBounds[] = {0.0, 1.0};
    geometry2D->SetTimeBounds( timeBounds );
  }

  // The geometry is propagated automatically to all time steps,
  // if EvenlyTimed is true...
  ProportionalTimeGeometry::Pointer timeGeometry = ProportionalTimeGeometry::New();
  timeGeometry->Initialize(geometry2D, timeSteps);
  SetTimeGeometry(timeGeometry);
}
Exemple #4
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void mitk::Image::Initialize(const mitk::PixelType& type, const mitk::TimeGeometry& geometry, unsigned int channels, int tDim )
{
  unsigned int dimensions[5];
  dimensions[0] = (unsigned int)(geometry.GetGeometryForTimeStep(0)->GetExtent(0)+0.5);
  dimensions[1] = (unsigned int)(geometry.GetGeometryForTimeStep(0)->GetExtent(1)+0.5);
  dimensions[2] = (unsigned int)(geometry.GetGeometryForTimeStep(0)->GetExtent(2)+0.5);
  dimensions[3] = (tDim > 0) ? tDim : geometry.CountTimeSteps();
  dimensions[4] = 0;

  unsigned int dimension = 2;
  if ( dimensions[2] > 1 )
    dimension = 3;
  if ( dimensions[3] > 1 )
    dimension = 4;

  Initialize( type, dimension, dimensions, channels );
  if (geometry.CountTimeSteps() > 1)
  {
    TimeGeometry::Pointer cloned = geometry.Clone();
    SetTimeGeometry(cloned.GetPointer());
  }
  else
    Superclass::SetGeometry(geometry.GetGeometryForTimeStep(0));
/* //Old //TODO_GOETZ Really necessary?
  mitk::BoundingBox::BoundsArrayType bounds = geometry.GetBoundingBoxInWorld()->GetBounds();
  if( (bounds[0] != 0.0) || (bounds[2] != 0.0) || (bounds[4] != 0.0) )
  {
    SlicedGeometry3D* slicedGeometry = GetSlicedGeometry(0);

    mitk::Point3D origin; origin.Fill(0.0);
    slicedGeometry->IndexToWorld(origin, origin);

    bounds[1]-=bounds[0]; bounds[3]-=bounds[2]; bounds[5]-=bounds[4];
    bounds[0] = 0.0;      bounds[2] = 0.0;      bounds[4] = 0.0;
    this->m_ImageDescriptor->Initialize( this->m_Dimensions, this->m_Dimension );
    slicedGeometry->SetBounds(bounds);
    slicedGeometry->GetIndexToWorldTransform()->SetOffset(origin.GetVnlVector().data_block());

    ProportionalTimeGeometry::Pointer timeGeometry = ProportionalTimeGeometry::New();
    timeGeometry->Initialize(slicedGeometry, m_Dimensions[3]);
    SetTimeGeometry(timeGeometry);
  }*/
}
mitk::ExtrudedContour::ExtrudedContour()
  : m_Contour(NULL), m_ClippingGeometry(NULL), m_AutomaticVectorGeneration(false)
{
  ProportionalTimeGeometry::Pointer timeGeometry = ProportionalTimeGeometry::New();
  timeGeometry->Initialize(1);
  SetTimeGeometry(timeGeometry);

  FillVector3D(m_Vector, 0.0, 0.0, 1.0);
  m_RightVector.Fill(0.0);

  m_ExtrusionFilter = vtkLinearExtrusionFilter::New();

  m_ExtrusionFilter->CappingOff();
  m_ExtrusionFilter->SetExtrusionTypeToVectorExtrusion();

  double vtkvector[3]={0,0,1};

  // set extrusion vector
  m_ExtrusionFilter->SetVector(vtkvector);

  m_TriangleFilter = vtkTriangleFilter::New();
  m_TriangleFilter->SetInputConnection(m_ExtrusionFilter->GetOutputPort());

  m_SubdivisionFilter = vtkLinearSubdivisionFilter::New();
  m_SubdivisionFilter->SetInputConnection(m_TriangleFilter->GetOutputPort());
  m_SubdivisionFilter->SetNumberOfSubdivisions(4);

  m_ClippingBox = vtkPlanes::New();
  m_ClipPolyDataFilter = vtkClipPolyData::New();
  m_ClipPolyDataFilter->SetInputConnection(m_SubdivisionFilter->GetOutputPort());
  m_ClipPolyDataFilter->SetClipFunction(m_ClippingBox);
  m_ClipPolyDataFilter->InsideOutOn();

  m_Polygon = vtkPolygon::New();

  m_ProjectionPlane = mitk::PlaneGeometry::New();
}
Exemple #6
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void mitk::Image::Initialize(vtkImageData* vtkimagedata, int channels, int tDim, int sDim, int pDim)
{
  if(vtkimagedata==NULL) return;

  m_Dimension=vtkimagedata->GetDataDimension();
  unsigned int i, *tmpDimensions=new unsigned int[m_Dimension>4?m_Dimension:4];
  for(i=0;i<m_Dimension;++i) tmpDimensions[i]=vtkimagedata->GetDimensions()[i];
  if(m_Dimension<4)
  {
    unsigned int *p;
    for(i=0,p=tmpDimensions+m_Dimension;i<4-m_Dimension;++i, ++p)
      *p=1;
  }

  if(pDim>=0)
  {
    tmpDimensions[1]=pDim;
    if(m_Dimension < 2)
      m_Dimension = 2;
  }
  if(sDim>=0)
  {
    tmpDimensions[2]=sDim;
    if(m_Dimension < 3)
      m_Dimension = 3;
  }
  if(tDim>=0)
  {
    tmpDimensions[3]=tDim;
    if(m_Dimension < 4)
      m_Dimension = 4;
  }


  switch ( vtkimagedata->GetScalarType() )
  {
  case VTK_BIT:
  case VTK_CHAR:
    //pixelType.Initialize(typeid(char), vtkimagedata->GetNumberOfScalarComponents());
    Initialize(mitk::MakeScalarPixelType<char>(), m_Dimension, tmpDimensions, channels);
    break;
  case VTK_UNSIGNED_CHAR:
    //pixelType.Initialize(typeid(unsigned char), vtkimagedata->GetNumberOfScalarComponents());
    Initialize(mitk::MakeScalarPixelType<unsigned char>(), m_Dimension, tmpDimensions, channels);
    break;
  case VTK_SHORT:
    //pixelType.Initialize(typeid(short), vtkimagedata->GetNumberOfScalarComponents());
    Initialize(mitk::MakeScalarPixelType<short>(), m_Dimension, tmpDimensions, channels);
    break;
  case VTK_UNSIGNED_SHORT:
    //pixelType.Initialize(typeid(unsigned short), vtkimagedata->GetNumberOfScalarComponents());
    Initialize(mitk::MakeScalarPixelType<unsigned short>(), m_Dimension, tmpDimensions, channels);
    break;
  case VTK_INT:
    //pixelType.Initialize(typeid(int), vtkimagedata->GetNumberOfScalarComponents());
    Initialize(mitk::MakeScalarPixelType<int>(), m_Dimension, tmpDimensions, channels);
    break;
  case VTK_UNSIGNED_INT:
    //pixelType.Initialize(typeid(unsigned int), vtkimagedata->GetNumberOfScalarComponents());
    Initialize(mitk::MakeScalarPixelType<unsigned int>(), m_Dimension, tmpDimensions, channels);
    break;
  case VTK_LONG:
    //pixelType.Initialize(typeid(long), vtkimagedata->GetNumberOfScalarComponents());
    Initialize(mitk::MakeScalarPixelType<long>(), m_Dimension, tmpDimensions, channels);
    break;
  case VTK_UNSIGNED_LONG:
    //pixelType.Initialize(typeid(unsigned long), vtkimagedata->GetNumberOfScalarComponents());
    Initialize(mitk::MakeScalarPixelType<unsigned long>(), m_Dimension, tmpDimensions, channels);
    break;
  case VTK_FLOAT:
    //pixelType.Initialize(typeid(float), vtkimagedata->GetNumberOfScalarComponents());
    Initialize(mitk::MakeScalarPixelType<float>(), m_Dimension, tmpDimensions, channels);
    break;
  case VTK_DOUBLE:
    //pixelType.Initialize(typeid(double), vtkimagedata->GetNumberOfScalarComponents());
    Initialize(mitk::MakeScalarPixelType<double>(), m_Dimension, tmpDimensions, channels);
    break;
  default:
    break;
  }
  /*
  Initialize(pixelType,
    m_Dimension,
    tmpDimensions,
    channels);
*/

  const double *spacinglist = vtkimagedata->GetSpacing();
  Vector3D spacing;
  FillVector3D(spacing, spacinglist[0], 1.0, 1.0);
  if(m_Dimension>=2)
    spacing[1]=spacinglist[1];
  if(m_Dimension>=3)
    spacing[2]=spacinglist[2];

  // access origin of vtkImage
  Point3D origin;
  double vtkorigin[3];
  vtkimagedata->GetOrigin(vtkorigin);
  FillVector3D(origin, vtkorigin[0], 0.0, 0.0);
  if(m_Dimension>=2)
    origin[1]=vtkorigin[1];
  if(m_Dimension>=3)
    origin[2]=vtkorigin[2];

  SlicedGeometry3D* slicedGeometry = GetSlicedGeometry(0);

  // re-initialize PlaneGeometry with origin and direction
  PlaneGeometry* planeGeometry = static_cast<PlaneGeometry*>(slicedGeometry->GetGeometry2D(0));
  planeGeometry->SetOrigin(origin);

  // re-initialize SlicedGeometry3D
  slicedGeometry->SetOrigin(origin);
  slicedGeometry->SetSpacing(spacing);

  ProportionalTimeGeometry::Pointer timeGeometry = ProportionalTimeGeometry::New();
  timeGeometry->Initialize(slicedGeometry, m_Dimensions[3]);
  SetTimeGeometry(timeGeometry);

  delete [] tmpDimensions;
}
Exemple #7
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void mitk::Image::Initialize(const mitk::PixelType& type, unsigned int dimension, const unsigned int *dimensions, unsigned int channels)
{
  Clear();

  m_Dimension=dimension;

  if(!dimensions)
    itkExceptionMacro(<< "invalid zero dimension image");

  unsigned int i;
  for(i=0;i<dimension;++i)
  {
    if(dimensions[i]<1)
      itkExceptionMacro(<< "invalid dimension[" << i << "]: " << dimensions[i]);
  }

  // create new array since the old was deleted
  m_Dimensions = new unsigned int[MAX_IMAGE_DIMENSIONS];

  // initialize the first four dimensions to 1, the remaining 4 to 0
  FILL_C_ARRAY(m_Dimensions, 4, 1u);
  FILL_C_ARRAY((m_Dimensions+4), 4, 0u);

  // copy in the passed dimension information
  std::memcpy(m_Dimensions, dimensions, sizeof(unsigned int)*m_Dimension);

  this->m_ImageDescriptor = mitk::ImageDescriptor::New();
  this->m_ImageDescriptor->Initialize( this->m_Dimensions, this->m_Dimension );

  for(i=0;i<4;++i)
  {
    m_LargestPossibleRegion.SetIndex(i, 0);
    m_LargestPossibleRegion.SetSize (i, m_Dimensions[i]);
  }
  m_LargestPossibleRegion.SetIndex(i, 0);
  m_LargestPossibleRegion.SetSize(i, channels);

  if(m_LargestPossibleRegion.GetNumberOfPixels()==0)
  {
    delete [] m_Dimensions;
    m_Dimensions = NULL;
    return;
  }

  for( unsigned int i=0u; i<channels; i++)
  {
    this->m_ImageDescriptor->AddNewChannel( type );
  }

  PlaneGeometry::Pointer planegeometry = PlaneGeometry::New();
  planegeometry->InitializeStandardPlane(m_Dimensions[0], m_Dimensions[1]);

  SlicedGeometry3D::Pointer slicedGeometry = SlicedGeometry3D::New();
  slicedGeometry->InitializeEvenlySpaced(planegeometry, m_Dimensions[2]);

  if(dimension>=4)
  {
    TimeBounds timebounds;
    timebounds[0] = 0.0;
    timebounds[1] = 1.0;
    slicedGeometry->SetTimeBounds(timebounds);
  }

  ProportionalTimeGeometry::Pointer timeGeometry = ProportionalTimeGeometry::New();
  timeGeometry->Initialize(slicedGeometry, m_Dimensions[3]);
  for (TimeStepType step = 0; step < timeGeometry->CountTimeSteps(); ++step)
  {
    timeGeometry->GetGeometryForTimeStep(step)->ImageGeometryOn();
  }
  SetTimeGeometry(timeGeometry);

  ImageDataItemPointer dnull=NULL;

  m_Channels.assign(GetNumberOfChannels(), dnull);

  m_Volumes.assign(GetNumberOfChannels()*m_Dimensions[3], dnull);

  m_Slices.assign(GetNumberOfChannels()*m_Dimensions[3]*m_Dimensions[2], dnull);

  ComputeOffsetTable();

  Initialize();

  m_Initialized = true;
}
Exemple #8
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void mitk::Image::Initialize(vtkImageData* vtkimagedata, int channels, int tDim, int sDim, int pDim)
{
  if(vtkimagedata==nullptr) return;

  m_Dimension=vtkimagedata->GetDataDimension();
  unsigned int i, *tmpDimensions=new unsigned int[m_Dimension>4?m_Dimension:4];
  for(i=0;i<m_Dimension;++i) tmpDimensions[i]=vtkimagedata->GetDimensions()[i];
  if(m_Dimension<4)
  {
    unsigned int *p;
    for(i=0,p=tmpDimensions+m_Dimension;i<4-m_Dimension;++i, ++p)
      *p=1;
  }

  if(pDim>=0)
  {
    tmpDimensions[1]=pDim;
    if(m_Dimension < 2)
      m_Dimension = 2;
  }
  if(sDim>=0)
  {
    tmpDimensions[2]=sDim;
    if(m_Dimension < 3)
      m_Dimension = 3;
  }
  if(tDim>=0)
  {
    tmpDimensions[3]=tDim;
    if(m_Dimension < 4)
      m_Dimension = 4;
  }

  mitk::PixelType pixelType(MakePixelType(vtkimagedata));
  Initialize(pixelType, m_Dimension, tmpDimensions, channels);

  const double *spacinglist = vtkimagedata->GetSpacing();
  Vector3D spacing;
  FillVector3D(spacing, spacinglist[0], 1.0, 1.0);
  if(m_Dimension>=2)
    spacing[1]=spacinglist[1];
  if(m_Dimension>=3)
    spacing[2]=spacinglist[2];

  // access origin of vtkImage
  Point3D origin;
  double vtkorigin[3];
  vtkimagedata->GetOrigin(vtkorigin);
  FillVector3D(origin, vtkorigin[0], 0.0, 0.0);
  if(m_Dimension>=2)
    origin[1]=vtkorigin[1];
  if(m_Dimension>=3)
    origin[2]=vtkorigin[2];

  SlicedGeometry3D* slicedGeometry = GetSlicedGeometry(0);

  // re-initialize PlaneGeometry with origin and direction
  PlaneGeometry* planeGeometry = static_cast<PlaneGeometry*>(slicedGeometry->GetPlaneGeometry(0));
  planeGeometry->SetOrigin(origin);

  // re-initialize SlicedGeometry3D
  slicedGeometry->SetOrigin(origin);
  slicedGeometry->SetSpacing(spacing);

  ProportionalTimeGeometry::Pointer timeGeometry = ProportionalTimeGeometry::New();
  timeGeometry->Initialize(slicedGeometry, m_Dimensions[3]);
  SetTimeGeometry(timeGeometry);

  delete [] tmpDimensions;
}
Exemple #9
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void mitk::Image::Initialize(const mitk::PixelType& type, const mitk::TimeGeometry& geometry, unsigned int channels, int tDim )
{
  unsigned int dimensions[5];
  dimensions[0] = (unsigned int)(geometry.GetGeometryForTimeStep(0)->GetExtent(0)+0.5);
  dimensions[1] = (unsigned int)(geometry.GetGeometryForTimeStep(0)->GetExtent(1)+0.5);
  dimensions[2] = (unsigned int)(geometry.GetGeometryForTimeStep(0)->GetExtent(2)+0.5);
  dimensions[3] = (tDim > 0) ? tDim : geometry.CountTimeSteps();
  dimensions[4] = 0;

  unsigned int dimension = 2;
  if ( dimensions[2] > 1 )
    dimension = 3;
  if ( dimensions[3] > 1 )
    dimension = 4;

  Initialize( type, dimension, dimensions, channels );
  if (geometry.CountTimeSteps() > 1)
  {
    TimeGeometry::Pointer cloned = geometry.Clone();
    SetTimeGeometry(cloned.GetPointer());

    // make sure the image geometry flag is properly set for all time steps
    for (TimeStepType step = 0; step < cloned->CountTimeSteps(); ++step)
    {

      if( ! cloned->GetGeometryCloneForTimeStep(step)->GetImageGeometry() )
      {
        MITK_WARN("Image.3DnT.Initialize") << " Attempt to initialize an image with a non-image geometry. Re-interpretting the initialization geometry for timestep " << step
                                           << " as image geometry, the original geometry remains unchanged.";
        cloned->GetGeometryForTimeStep(step)->ImageGeometryOn();
      }
    }
  }
  else
  {
    // make sure the image geometry coming from outside has proper value of the image geometry flag
    BaseGeometry::Pointer cloned = geometry.GetGeometryCloneForTimeStep(0)->Clone();
    if( ! cloned->GetImageGeometry() )
    {
      MITK_WARN("Image.Initialize") << " Attempt to initialize an image with a non-image geometry. Re-interpretting the initialization geometry as image geometry, the original geometry remains unchanged.";
      cloned->ImageGeometryOn();

    }

    Superclass::SetGeometry( cloned );
  }
/* //Old //TODO_GOETZ Really necessary?
  mitk::BoundingBox::BoundsArrayType bounds = geometry.GetBoundingBoxInWorld()->GetBounds();
  if( (bounds[0] != 0.0) || (bounds[2] != 0.0) || (bounds[4] != 0.0) )
  {
    SlicedGeometry3D* slicedGeometry = GetSlicedGeometry(0);

    mitk::Point3D origin; origin.Fill(0.0);
    slicedGeometry->IndexToWorld(origin, origin);

    bounds[1]-=bounds[0]; bounds[3]-=bounds[2]; bounds[5]-=bounds[4];
    bounds[0] = 0.0;      bounds[2] = 0.0;      bounds[4] = 0.0;
    this->m_ImageDescriptor->Initialize( this->m_Dimensions, this->m_Dimension );
    slicedGeometry->SetBounds(bounds);
    slicedGeometry->GetIndexToWorldTransform()->SetOffset(origin.GetVnlVector().data_block());

    ProportionalTimeGeometry::Pointer timeGeometry = ProportionalTimeGeometry::New();
    timeGeometry->Initialize(slicedGeometry, m_Dimensions[3]);
    SetTimeGeometry(timeGeometry);
  }*/
}
void mitk::ExtrudedContour::BuildGeometry()
{
  if(m_Contour.IsNull())
    return;

//  Initialize(1);

  Vector3D nullvector; nullvector.Fill(0.0);
  float xProj[3];
  unsigned int i;
  unsigned int numPts = 20; //m_Contour->GetNumberOfPoints();
  mitk::Contour::PathPointer path = m_Contour->GetContourPath();
  mitk::Contour::PathType::InputType cstart = path->StartOfInput();
  mitk::Contour::PathType::InputType cend   = path->EndOfInput();
  mitk::Contour::PathType::InputType cstep  = (cend-cstart)/numPts;
  mitk::Contour::PathType::InputType ccur;

  // Part I: guarantee/calculate legal vectors

  m_Vector.Normalize();
  itk2vtk(m_Vector, m_Normal);
  // check m_Vector
  if(mitk::Equal(m_Vector, nullvector) || m_AutomaticVectorGeneration)
  {
    if ( m_AutomaticVectorGeneration == false)
      itkWarningMacro("Extrusion vector is 0 ("<< m_Vector << "); trying to use normal of polygon");

    vtkPoints *loopPoints = vtkPoints::New();
    //mitk::Contour::PointsContainerIterator pointsIt = m_Contour->GetPoints()->Begin();
    double vtkpoint[3];

    unsigned int i=0;
    for(i=0, ccur=cstart; i<numPts; ++i, ccur+=cstep)
    {
      itk2vtk(path->Evaluate(ccur), vtkpoint);
      loopPoints->InsertNextPoint(vtkpoint);
    }

    // Make sure points define a loop with a m_Normal
    vtkPolygon::ComputeNormal(loopPoints, m_Normal);
    loopPoints->Delete();

    vtk2itk(m_Normal, m_Vector);
    if(mitk::Equal(m_Vector, nullvector))
    {
      itkExceptionMacro("Cannot calculate normal of polygon");
    }
  }
  // check m_RightVector
  if((mitk::Equal(m_RightVector, nullvector)) || (mitk::Equal(m_RightVector*m_Vector, 0.0)==false))
  {
    if(mitk::Equal(m_RightVector, nullvector))
    {
      itkDebugMacro("Right vector is 0. Calculating.");
    }
    else
    {
      itkWarningMacro("Right vector ("<<m_RightVector<<") not perpendicular to extrusion vector "<<m_Vector<<": "<<m_RightVector*m_Vector);
    }
    // calculate a legal m_RightVector
    if( mitk::Equal( m_Vector[1], 0.0f ) == false )
    {
      FillVector3D( m_RightVector, 1.0f, -m_Vector[0]/m_Vector[1], 0.0f );
      m_RightVector.Normalize();
    }
    else
    {
      FillVector3D( m_RightVector, 0.0f, 1.0f, 0.0f );
    }
  }

  // calculate down-vector
  VnlVector rightDV = m_RightVector.GetVnlVector(); rightDV.normalize(); vnl2vtk(rightDV, m_Right);
  VnlVector downDV  = vnl_cross_3d( m_Vector.GetVnlVector(), rightDV ); downDV.normalize();  vnl2vtk(downDV,  m_Down);

  // Part II: calculate plane as base for extrusion, project the contour
  // on this plane and store as polygon for IsInside test and BoundingBox calculation

  // initialize m_ProjectionPlane, yet with origin at 0
  m_ProjectionPlane->InitializeStandardPlane(rightDV, downDV);

  // create vtkPolygon from contour and simultaneously determine 2D bounds of
  // contour projected on m_ProjectionPlane
  //mitk::Contour::PointsContainerIterator pointsIt = m_Contour->GetPoints()->Begin();
  m_Polygon->Points->Reset();
  m_Polygon->Points->SetNumberOfPoints(numPts);
  m_Polygon->PointIds->Reset();
  m_Polygon->PointIds->SetNumberOfIds(numPts);
  mitk::Point2D pt2d;
  mitk::Point3D pt3d;
  mitk::Point2D min, max;
  min.Fill(ScalarTypeNumericTraits::max());
  max.Fill(ScalarTypeNumericTraits::min());
  xProj[2]=0.0;
  for(i=0, ccur=cstart; i<numPts; ++i, ccur+=cstep)
  {
    pt3d.CastFrom(path->Evaluate(ccur));
    m_ProjectionPlane->Map(pt3d, pt2d);
    xProj[0]=pt2d[0];
    if(pt2d[0]<min[0]) min[0]=pt2d[0];
    if(pt2d[0]>max[0]) max[0]=pt2d[0];
    xProj[1]=pt2d[1];
    if(pt2d[1]<min[1]) min[1]=pt2d[1];
    if(pt2d[1]>max[1]) max[1]=pt2d[1];
    m_Polygon->Points->SetPoint(i, xProj);
    m_Polygon->PointIds->SetId(i, i);
  }
  // shift parametric origin to (0,0)
  for(i=0; i<numPts; ++i)
  {
    double * pt = this->m_Polygon->Points->GetPoint(i);

    pt[0]-=min[0]; pt[1]-=min[1];
    itkDebugMacro( << i << ": (" << pt[0] << "," << pt[1] << "," << pt[2] << ")" );
  }
  this->m_Polygon->GetBounds(m_ProjectedContourBounds);
  //m_ProjectedContourBounds[4]=-1.0; m_ProjectedContourBounds[5]=1.0;

  // calculate origin (except translation along the normal) and bounds
  // of m_ProjectionPlane:
  //  origin is composed of the minimum x-/y-coordinates of the polygon,
  //  bounds from the extent of the polygon, both after projecting on the plane
  mitk::Point3D origin;
  m_ProjectionPlane->Map(min, origin);
  ScalarType bounds[6]={0, max[0]-min[0], 0, max[1]-min[1], 0, 1};
  m_ProjectionPlane->SetBounds(bounds);
  m_ProjectionPlane->SetOrigin(origin);

  // Part III: initialize geometry
  if(m_ClippingGeometry.IsNotNull())
  {
    ScalarType min_dist=ScalarTypeNumericTraits::max(), max_dist=ScalarTypeNumericTraits::min(), dist;
    unsigned char i;
    for(i=0; i<8; ++i)
    {
      dist = m_ProjectionPlane->SignedDistance( m_ClippingGeometry->GetCornerPoint(i) );
      if(dist<min_dist) min_dist=dist;
      if(dist>max_dist) max_dist=dist;
    }
    //incorporate translation along the normal into origin
    origin = origin+m_Vector*min_dist;
    m_ProjectionPlane->SetOrigin(origin);
    bounds[5]=max_dist-min_dist;
  }
  else
    bounds[5]=20;

  itk2vtk(origin, m_Origin);

  mitk::Geometry3D::Pointer g3d = GetGeometry( 0 );
  assert( g3d.IsNotNull() );
  g3d->SetBounds(bounds);
  g3d->SetIndexToWorldTransform(m_ProjectionPlane->GetIndexToWorldTransform());
  g3d->TransferItkToVtkTransform();

  ProportionalTimeGeometry::Pointer timeGeometry = ProportionalTimeGeometry::New();
  timeGeometry->Initialize(g3d,1);
  SetTimeGeometry(timeGeometry);

}