[Insight-users] FFTW

[Hans Johnson]

Renaud,

I do not have the packages installed on my systems.  They get installed 
by hand on each of the platforms independently.  I do have to explicitly 
specify the cmake variables by hand for each platform and build type.  
You should not have to modify FindFFTW.cmake because these variables 
should be exposed to the the cmake environment.

I know pretty sure that others have used fftw with later versions of 
Microsoft Visual Studio (i.e. version 7) with success.

Hans


Renaud Isabelle wrote:

> Hi Hans,
>  
> Thanks for your reply.
>  
> I think you are lucky: apparently, you are building under Linux/Unix, 
> and so, fftw librairies were already installed with Unix package and 
> your system knows exactly where to look for them. Actually, if you 
> take a look at ITK/FindFFTW.cmake, you will see that default 
> directories containing your librairies and your fftw3.h are already 
> mentioned.
>  
> As for me, I am building my projects under CMake followed by Microsoft 
> Visual C++ 6.0. I don't know which files I have to modify to make it 
> work: FindFFTW.cmake, my CMakeLists.txt of my own project ..... ?
>  
> Isabelle
>
> */Hans Johnson <hans-johnson at uiowa.edu>/* a écrit :
>
>     Renaud,
>
>     I have a pre-itk project that has been retrofitted t! o use the FFTW
>     classes from ITK. Here is some source code that is run on many
>     different unix platforms every night and build successfully:
>
>     http://www.psychiatry.uiowa.edu/cgi-bin/viewcvs.cgi/src/iplProg/gec/gecresearch/gecdeformation/gecitkfft.cc?rev=1.5&cvsroot=brains2&sortby=date&content-type=text/vnd.viewcvs-markup
>
>     See
>     http://delta.psychiatry.uiowa.edu:8081/BRAINS/Dashboard/TestCatalog?trackid=142&submissionid=837&showall=0&sortBy=name&order=ascending&roottest=.Test.src.iplProg.gec.gectools
>
>     for proof that the tests are passing.
>
>     Here are the CMake options I use to build with FFTW (i.e. latest CVS
>     version as of October):
>
>     FFTW_INCLUDE_PATH:PATH=$(FFTW_INCLUDE_PATH)
>     FFTWD_LIB:FILEPATH=$(INSTALL_PREFIX)/lib/libfftw3.$(LIB_EXT)
>     FFTWF_LIB:FILEPATH=$(INSTALL_PREFIX)/lib/libfftw3f.$(LIB_EXT)
>     USE_FFTWF:BOOL=ON
>     USE_FFTWD:BOOL=OFF
>     USE_SCSL:BOOL=OFF
>
>     I hope this helps.
>
>     Hans
>
>
>     Re! naud Isabelle wrote:
>
>     > Hi,
>     >
>     > I have just downloaded and installed FFTW on my computer.
>     >
>     > Now, I see that there were some modifications about using FFTW witk
>     > ITK: No need to define USE_FFTW but USE_FFTWD and USE_FFTWF
>     instead?!
>     >
>     > Could someone tell me *which steps I have to follow to use
>     > itkFFTWRealToComplexConjugateImageFilter in my own proje*ct?
>     >
>     > BTW, I don't understand why I can use
>     > itkVnlFFTRealToComplexConjugateImageFilter like that and can't
>     do the
>     > same way with itkFFTWRealToComplexConjugateImageFilter. While
>     > compiling my own project calling
>     > /*typedef itk::FFTWRealToComplexConjugateImageFilter
>     > FFTFilter*/; it says that *FFTWRealToComplexConjugateImageFilter is
>     > not a member of itk*. What should I do exactly to make it a member?
>     >
>     > Plea! se help me to manage with all of this. This is quite
>     urgent and
>     > I ! can't find any help on the net that could satisfy me.
>     >
>     > Isabelle
>     >
>     >
>     >
>     >
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