[Insight-users] problem with ImageHistogram2.cxx.

[edoardo.belletti at alice.it]

Hi
I have a problem: when I run the example Examples/Statistics/ImageHistogram2.cxx it return me this output:

~$ make
Scanning dependencies of target Histogram
[100%] Building CXX object CMakeFiles/Histogram.dir/Histogram.cxx.o
Linking CXX executable Histogram
CMakeFiles/Histogram.dir/Histogram.cxx.o: In function `itk::Statistics::DenseFrequencyContainer::New()':
Histogram.cxx:(.text._ZN3itk10Statistics23DenseFrequencyContainer3NewEv[itk::Statistics::DenseFrequencyContainer::New()]+0x40): undefined reference to `itk::Statistics::DenseFrequencyContainer::DenseFrequencyContainer()'
CMakeFiles/Histogram.dir/Histogram.cxx.o: In function `itk::ObjectFactory<itk::Statistics::DenseFrequencyContainer>::Create()':
Histogram.cxx:(.text._ZN3itk13ObjectFactoryINS_10Statistics23DenseFrequencyContainerEE6CreateEv[itk::ObjectFactory<itk::Statistics::DenseFrequencyContainer>::Create()]+0xc): undefined reference to `typeinfo for itk::Statistics::DenseFrequencyContainer'
Histogram.cxx:(.text._ZN3itk13ObjectFactoryINS_10Statistics23DenseFrequencyContainerEE6CreateEv[itk::ObjectFactory<itk::Statistics::DenseFrequencyContainer>::Create()]+0x4e): undefined reference to `typeinfo for itk::Statistics::DenseFrequencyContainer'
CMakeFiles/Histogram.dir/Histogram.cxx.o: In function `itk::Statistics::Histogram<double, 1u, itk::Statistics::DenseFrequencyContainer>::GetFrequency(unsigned long const&) const':
Histogram.cxx:(.text._ZNK3itk10Statistics9HistogramIdLj1ENS0_23DenseFrequencyContainerEE12GetFrequencyERKm[itk::Statistics::Histogram<double, 1u, itk::Statistics::DenseFrequencyContainer>::GetFrequency(unsigned long const&) const]+0x22): undefined reference to `itk::Statistics::DenseFrequencyContainer::GetFrequency(unsigned long) const'
CMakeFiles/Histogram.dir/Histogram.cxx.o: In function `itk::Statistics::Histogram<double, 1u, itk::Statistics::DenseFrequencyContainer>::Initialize(itk::Size<1u> const&)':
Histogram.cxx:(.text._ZN3itk10Statistics9HistogramIdLj1ENS0_23DenseFrequencyContainerEE10InitializeERKNS_4SizeILj1EEE[itk::Statistics::Histogram<double, 1u, itk::Statistics::DenseFrequencyContainer>::Initialize(itk::Size<1u> const&)]+0x1db): undefined reference to `itk::Statistics::DenseFrequencyContainer::Initialize(unsigned long)'
CMakeFiles/Histogram.dir/Histogram.cxx.o: In function `itk::Statistics::Histogram<double, 1u, itk::Statistics::DenseFrequencyContainer>::IncreaseFrequency(unsigned long const&, float)':
Histogram.cxx:(.text._ZN3itk10Statistics9HistogramIdLj1ENS0_23DenseFrequencyContainerEE17IncreaseFrequencyERKmf[itk::Statistics::Histogram<double, 1u, itk::Statistics::DenseFrequencyContainer>::IncreaseFrequency(unsigned long const&, float)]+0x29): undefined reference to `itk::Statistics::DenseFrequencyContainer::IncreaseFrequency(unsigned long, float)'
CMakeFiles/Histogram.dir/Histogram.cxx.o: In function `itk::Statistics::Histogram<double, 1u, itk::Statistics::DenseFrequencyContainer>::SetToZero()':
Histogram.cxx:(.text._ZN3itk10Statistics9HistogramIdLj1ENS0_23DenseFrequencyContainerEE9SetToZeroEv[itk::Statistics::Histogram<double, 1u, itk::Statistics::DenseFrequencyContainer>::SetToZero()]+0x18): undefined reference to `itk::Statistics::DenseFrequencyContainer::SetToZero()'
collect2: ld returned 1 exit status
make[2]: *** [Histogram] Errore 1
make[1]: *** [CMakeFiles/Histogram.dir/all] Errore 2
make: *** [all] Errore 2

I have not changed anything about the code. But I don't know what is the problem.

Thank you
Best regards 
Edoardo
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