[Insight-users] TransformWriter
Matt Gibb
matt at mattgibb.com
Tue Apr 17 06:13:09 EDT 2012
Hello ITK!
I am upgrading to the new wonderful 4.1.0, from 3.20.x. I'm having a few
teething problems and wondered if you could push me in the right direction.
In 3.x, you can write transforms to a filename without an extension, but it
seems you can't in 4.x. Here's a program to reproduce the exception:
#include "itkRigid2DTransform.h"
#include "itkTransformFileWriter.h"
using namespace std;
int main(int, char *[])
{
typedef itk::Rigid2DTransform< float > TransformType;
TransformType::Pointer transform = TransformType::New();
itk::TransformFileWriter::Pointer writer =
itk::TransformFileWriter::New();
writer->SetInput(transform);
writer->SetFileName("test.tfm");
try
{
writer->Update();
}
catch (std::exception& e)
{
cerr << "caught command-line parsing error" << endl;
std::cerr << e.what() << std::endl;
exit(EXIT_FAILURE);
}
writer->SetFileName("test");
try
{
writer->Update();
}
catch (std::exception& e)
{
cerr << "caught command-line parsing error" << endl;
std::cerr << e.what() << std::endl;
exit(EXIT_FAILURE);
}
return EXIT_SUCCESS;
}
The code fails in the second try block with the following message:
/path/to/your/ITK/Modules/IO/TransformBase/src/itkTransformFileWriter.cxx:111:
itk::ERROR: TransformFileWriter(0x10d6468e0): Can't Create IO object for
file test
I tried to debug the problem with lldb but to no avail.
Any pointers to dereference would be greatly appreciated.
Matt Gibb.
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