void setVTKFilter(medAbstractData* d,typename itk::SphericalHarmonicITKToVTKFilter<SH_IMAGE>::Pointer& filter) {
SH_IMAGE* dataset = static_cast<SH_IMAGE*>(d->data());
if (filter)
filter->Delete();
filter = itk::SphericalHarmonicITKToVTKFilter<SH_IMAGE>::New();
filter->SetInput(dataset);
filter->UpdateOutputInformation();
// This line generates the vtkSHs, otherwise is not generated, even if the next filter
// in the pipeline is connected and Update() is called
filter->Update();
itk::ImageBase<3>::DirectionType directions = dataset->GetDirection();
itk::ImageBase<3>::PointType origin = dataset->GetOrigin();
orientationMatrix = vtkMatrix4x4::New();
orientationMatrix->Identity();
for (int i=0; i<3; i++)
for (int j=0; j<3; j++)
orientationMatrix->SetElement (i, j, directions (i,j));
double v_origin[4], v_origin2[4];
for (int i=0; i<3; i++)
v_origin[i] = origin[i];
v_origin[3] = 1.0;
orientationMatrix->MultiplyPoint (v_origin, v_origin2);
for (int i=0; i<3; i++)
orientationMatrix->SetElement (i, 3, v_origin[i]-v_origin2[i]);
double v_spacing[3];
for (int i=0; i<3; i++)
v_spacing[i] = dataset->GetSpacing()[i];
// We need to call this function because GetOutput() just returns the input
manager->SetInput(filter->GetVTKSphericalHarmonic());
manager->SetDirectionMatrix(filter->GetDirectionMatrix());
manager->ResetPosition();
const int number = dataset->GetNumberOfComponentsPerPixel();
const int Order = -1.5+std::sqrt((float)(0.25+2*number));
manager->SetOrder(Order);
manager->Update();
data = d;
if (view)
{
int dim[3];
manager->GetSphericalHarmonicDimensions(dim);
view2d->SetInput(manager->GetSHVisuManagerAxial()->GetActor(), view->layer(data), orientationMatrix, dim, v_spacing, v_origin);
view2d->SetInput(manager->GetSHVisuManagerSagittal()->GetActor(), view->layer(data), orientationMatrix, dim, v_spacing, v_origin);
view2d->SetInput(manager->GetSHVisuManagerCoronal()->GetActor(), view->layer(data), orientationMatrix, dim, v_spacing, v_origin);
}
}
void setVTKFilter(medAbstractData* d,typename itk::SphericalHarmonicITKToVTKFilter<SH_IMAGE>::Pointer& filter) {
SH_IMAGE* dataset = static_cast<SH_IMAGE*>(d->data());
if (filter)
filter->Delete();
filter = itk::SphericalHarmonicITKToVTKFilter<SH_IMAGE>::New();
filter->SetInput(dataset);
// This line generates the vtkSHs, otherwise is not generated, even if the next filter
// in the pipeline is connected and Update() is called
filter->Update();
// We need to call this function because GetOutput() just returns the input
manager->SetInput(filter->GetVTKSphericalHarmonic());
manager->SetMatrixT(filter->GetDirectionMatrix());
//TODO:JGG This has to be changed the order has to be a property saved inside the image
const int number = dataset->GetNumberOfComponentsPerPixel();
const int Order = -1.5+std::sqrt((float)(0.25+2*number));
manager->SetOrder(Order);
manager->Update();
data = d;
}