- GetVtkmprbasedata()->GetImageData()->GetSpacing(spc);
- x1 = (int)(x1*spc[0]);
- y1 = (int)(y1*spc[1]);
- z1 = (int)(z1*spc[2]);
-
- x2 = (int)(x2*spc[0]);
- y2 = (int)(y2*spc[1]);
- z2 = (int)(z2*spc[2]);
-
- _visibleAxis = true;
-
-// Axe A
- _ptsA = vtkPoints::New();
- _ptsA->SetNumberOfPoints(2);
- _ptsA->SetPoint(0, -1000 , -1000 , -1000 );
- _ptsA->SetPoint(1, 1000 , 1000 , 1000 );
- vtkCellArray *linesA;
- linesA = vtkCellArray::New();
- linesA->InsertNextCell(2);
- linesA->InsertCellPoint(0);
- linesA->InsertCellPoint(1);
- _pdA = vtkPolyData::New();
- _pdA->SetPoints( _ptsA );
- _pdA->SetLines( linesA );
- linesA->Delete(); //do not delete lines ??
- _lineAActor = vtkActor::New();
- _lineAMapper = vtkPolyDataMapper::New();
- _lineAMapper->SetInput(_pdA);
- _lineAMapper->ImmediateModeRenderingOn();
- _lineAActor->SetMapper(_lineAMapper);
- _lineAActor->GetProperty()->BackfaceCullingOn();
- _lineAActor->GetProperty()->SetDiffuseColor(1,0,0);
- _lineAActor->GetProperty()->SetLineWidth(2);
- _imageViewer2XYZ->GetVtkImageViewer2()->GetRenderer()->AddActor( _lineAActor );
-
-// Axe B
- _ptsB = vtkPoints::New();
- _ptsB->SetNumberOfPoints(2);
- _ptsB->SetPoint(0, -1000 , -1000 , -1000 );
- _ptsB->SetPoint(1, 1000 , 1000 , 1000 );
- vtkCellArray *linesB;
- linesB = vtkCellArray::New();
- linesB->InsertNextCell(2);
- linesB->InsertCellPoint(0);
- linesB->InsertCellPoint(1);
- _pdB = vtkPolyData::New();
- _pdB->SetPoints( _ptsB );
- _pdB->SetLines( linesB );
- linesB->Delete(); //do not delete lines ??
- _lineBActor = vtkActor::New();
- _lineBMapper = vtkPolyDataMapper::New();
- _lineBMapper->SetInput(_pdB);
- _lineBMapper->ImmediateModeRenderingOn();
- _lineBActor->SetMapper(_lineBMapper);
- _lineBActor->GetProperty()->BackfaceCullingOn();
- _lineBActor->GetProperty()->SetDiffuseColor(1,0,0);
- _lineBActor->GetProperty()->SetLineWidth(2);
- _imageViewer2XYZ->GetVtkImageViewer2()->GetRenderer()->AddActor( _lineBActor );
+ vtkImageData* img = GetVtkmprbasedata()->GetImageData();
+ if(img!=NULL){
+ img->GetSpacing(spc);
+ x1 = (int)(x1*spc[0]);
+ y1 = (int)(y1*spc[1]);
+ z1 = (int)(z1*spc[2]);
+
+ x2 = (int)(x2*spc[0]);
+ y2 = (int)(y2*spc[1]);
+ z2 = (int)(z2*spc[2]);
+
+ _visibleAxis = true;
+
+ // Axe A
+ _ptsA = vtkPoints::New();
+ _ptsA->SetNumberOfPoints(2);
+ _ptsA->SetPoint(0, -1000 , -1000 , -1000 );
+ _ptsA->SetPoint(1, 1000 , 1000 , 1000 );
+ vtkCellArray *linesA;
+ linesA = vtkCellArray::New();
+ linesA->InsertNextCell(2);
+ linesA->InsertCellPoint(0);
+ linesA->InsertCellPoint(1);
+ _pdA = vtkPolyData::New();
+ _pdA->SetPoints( _ptsA );
+ _pdA->SetLines( linesA );
+ linesA->Delete(); //do not delete lines ??
+ _lineAActor = vtkActor::New();
+ _lineAMapper = vtkPolyDataMapper::New();
+ _lineAMapper->SetInput(_pdA);
+ _lineAMapper->ImmediateModeRenderingOn();
+ _lineAActor->SetMapper(_lineAMapper);
+// _lineAActor->GetProperty()->BackfaceCullingOn();
+ _lineAActor->GetProperty()->SetDiffuseColor(1,0,0);
+ _lineAActor->GetProperty()->SetLineWidth(2);
+ _imageViewer2XYZ->GetVtkImageViewer2()->GetRenderer()->AddActor( _lineAActor );
+
+ // Axe B
+ _ptsB = vtkPoints::New();
+ _ptsB->SetNumberOfPoints(2);
+ _ptsB->SetPoint(0, -1000 , -1000 , -1000 );
+ _ptsB->SetPoint(1, 1000 , 1000 , 1000 );
+ vtkCellArray *linesB;
+ linesB = vtkCellArray::New();
+ linesB->InsertNextCell(2);
+ linesB->InsertCellPoint(0);
+ linesB->InsertCellPoint(1);
+ _pdB = vtkPolyData::New();
+ _pdB->SetPoints( _ptsB );
+ _pdB->SetLines( linesB );
+ linesB->Delete(); //do not delete lines ??
+ _lineBActor = vtkActor::New();
+ _lineBMapper = vtkPolyDataMapper::New();
+ _lineBMapper->SetInput(_pdB);
+ _lineBMapper->ImmediateModeRenderingOn();
+ _lineBActor->SetMapper(_lineBMapper);
+// _lineBActor->GetProperty()->BackfaceCullingOn();
+ _lineBActor->GetProperty()->SetDiffuseColor(1,0,0);
+ _lineBActor->GetProperty()->SetLineWidth(2);
+ _imageViewer2XYZ->GetVtkImageViewer2()->GetRenderer()->AddActor( _lineBActor );