Transfer from VTK to SimpleITK

flaviu2 · February 14, 2020, 2:39pm

Please have patience with me. I come back because I have tried to use this example:

SimpleITK/SimpleITK/blob/master/Examples/BufferImportExport.cxx

/*=========================================================================
*
*  Copyright Insight Software Consortium
*
*  Licensed under the Apache License, Version 2.0 (the "License");
*  you may not use this file except in compliance with the License.
*  You may obtain a copy of the License at
*
*         http://www.apache.org/licenses/LICENSE-2.0.txt
*
*  Unless required by applicable law or agreed to in writing, software
*  distributed under the License is distributed on an "AS IS" BASIS,
*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*  See the License for the specific language governing permissions and
*  limitations under the License.
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*=========================================================================*/
#include "SimpleITK.h"
#include <stdlib.h>
#include <iostream>

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to import data from vtkImageData into sitk::Image through sitk::ImportImageFilter.

Here is the code:

sitk::ImportImageFilter importer;

int* nDim = m_pDICOMReader->GetOutput()->GetDimensions();
TRACE(">>>>%d|%d|%d\n", nDim[0], nDim[1], nDim[2]);
uint8_t* in = new uint8_t[nDim[0] * nDim[1] * nDim[2]];

double* dSpacing = m_pDICOMReader->GetOutput()->GetSpacing();
std::vector<double> spacing;
spacing.push_back(dSpacing[0]);
spacing.push_back(dSpacing[1]);
spacing.push_back(dSpacing[2]);
importer.SetSpacing(spacing);
double* dOrigin = m_pDICOMReader->GetOutput()->GetOrigin();
std::vector<double> origin;
origin.push_back(dOrigin[0]);
origin.push_back(dOrigin[1]);
origin.push_back(dOrigin[2]);
importer.SetOrigin(origin);
int nSize = m_pDICOMReader->GetOutput()->GetScalarSize();
std::vector<unsigned int> size;
size.push_back(nSize);
importer.SetSize(size);
importer.SetBufferAsUInt8(in);

try
{
	sitk::Image img = importer.Execute();
}
catch (sitk::GenericException& error)
{
	::SendMessage(theApp.m_pMainWnd->GetSafeHwnd(), WM_SETMESSAGESTRING, 0, (LPARAM)error.GetDescription());
}

but I got the following error:

sitk::ERROR: The length of size is invalid! Only image of dimension 2 or 3 are supported

What I have done wrong ? I really need this conversion in order to keep working ! Thank you for any help !