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Optional Libraries
These libraries are optional and not required to build CTSim from source code.
However, they add functionality to CTSim and there inclusion is recommended.
  
  -  wxWindows 2.3
 Used for the platform-independent graphical interface. The graphical version
  of CTSim requires this library.
 Web site
   
-  FFTW3
 Used for fast Fourier transformations of projections and images.
    Without this library CTSim will use slower, traditional Fourier transformations.
 Web site
   
-  libpng
 Used for PNG file export.
 Web site
   
-  zlib
 Used for PNG file export.
 Web site
   
-  readline
 Used for CTSimText interactive shell.
 Web site
   
-  dmalloc
 Used for debugging memory allocation.
 Web site
   
-  ctn
 DICOM library used to support import/export of DICOM files
    Web site