svn co https://svn.janelia.org/penglab/projects/vaa3d_tools/released_plugins/v3d_plugins/gaussianfilter

   Usage : v3d -x gaussian -f gf -i <inimg_file> -o <outimg_file> -p <wx> <wy> <wz> <channel> <sigma>

      wx          filter window size (pixel #) in x direction, default 7 and maximum image xsize-1
      wy          filter window size (pixel #) in y direction, default 7 and maximum image ysize-1
      wz          filter window size (pixel #) in z direction, default 3 and maximum image zsize-1
      channel                  the input channel value, default 1 and start from 1
      sigma       filter sigma, default 1.0

   e.g. v3d -x gaussian -f gf -i input.raw -o output.raw -p 3 3 3 1 1.0