SHCoefficientsToSphericalFunctionSamples  [--returnparameterfile
                                        <std::string>] [--xml] [--echo]
                                        [--debug] [--pow <double>] [--]
                                        [--version] [-h] <std::string>
                                        <std::string> <std::string>


   --returnparameterfile <std::string>
     Filename in which to write simple return parameters (int, float,
     int-vector, etc.) as opposed to bulk return parameters (image,
     geometry, transform, measurement, table).

   --processinformationaddress <std::string>
     Address of a structure to store process information (progress, abort,
     etc.). (value: 0)

     Produce xml description of command line arguments (value: 0)

     Echo the command line arguments (value: 0)

     debug (value: 0)

   --pow <double>
     Power argument. 1.0: original value on mesh, 2.0: pow 2, 0.5: sqrt.
     (value: 1)

   --,  --ignore_rest
     Ignores the rest of the labeled arguments following this flag.

     Displays version information and exits.

   -h,  --help
     Displays usage information and exits.

     (required)  Input image file where each voxel contains a vector of SH

     (required)  Output image file where each voxel contains a vector of
     spherical function samples.

     (required)  Text file that contains the gradient orientations of the

   Description: conversion from SH coefficients to spherical function

   Author(s): Jian Cheng (

   Acknowledgements: Thank you everyone.