Dear Jyo Yong,
that is becasue MITK images always have to initialized. I think you with NULL
image you mean an image containing only zeros?
Easiest way would be to use the BasicImageProcessing module and subtract the
original image from itself.
Or you could use code like this:
unsigned int dimension = origImage->GetDimension();
unsigned int * dimensions = origImage ->GetDimensions();
mitk::Image::Pointer maskImage = mitk::Image::New();
maskImage->Initialize(mitk::PixelType(typeid(unsigned char)), dimension,
dimensions);
unsigned int byteSize = sizeof(unsigned char);
for (unsigned int dim = 0; dim < dimension; ++dim)
{
byteSize *= maskImage->GetDimension(dim);
}
memset(maskImage->GetData(), 0, byteSize );
if (origImage->GetTimeSlicedGeometry() )
{
mitk::AffineGeometryFrame3D::Pointer originalGeometryAGF =
origImage->GetTimeSlicedGeometry()->Clone();
mitk::Geometry3D::Pointer originalGeometry =
dynamic_cast<mitk::TimeSlicedGeometry*>( originalGeometryAGF.GetPointer() );
if ( originalGeometry.IsNull() ) std::cout << "Warning: Segmentation
Geometry is NULL!" << std::endl;
maskImage->SetGeometry( originalGeometry );
}
Best regards,
Tobias
------------------------------------------------------------
Tobias Schwarz
DKFZ
German Cancer Research Center (Deutsches Krebsforschungszentrum)
Member of the Helmholtz Association
Division of Medical & Biological Informatics E130
Im Neuenheimer Feld 280
D-69120 Heidelberg
Phone: 49-(0)6221-42-2353
Fax: 49-(0)6221-42-2345
E-Mail: [email protected]<mailto:[email protected]>
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Von: apollocarlos [mailto:[email protected]]
Gesendet: Freitag, 12. März 2010 07:24
An: mitk-users
Betreff: [mitk-users] How to initialize a NULL mitk::image
Dear All,
I am new to MITK. Now i'm trying to create a new, NULL mitk::image for
contouring, as a mask on the images which are just read in. I tried like blow:
mitk::Image::Pointer m_maskImage = mitk::Image::New();
but when i tried to use GetPic() or GetGeometry(), it says the 0x00000000
memory can't be read.
Could anyone help me?
thanks.
Best Regards.
Jyo Yong
2010-03-12
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