NAME

     spher_inv_xform - spherical inverse transfor

SYNOPSIS

     void  spher_inv_xform(float  **cvecP,  unsigned  long  vdim,
     float Xo, float Yo, float Zo)

      <cvecP> - pointer to an array of normalized band vectors
      <vdim> - dimension of each vector (number of pixels)
      <Xo> - reference white for red
      <Yo> - reference white for green
      <Zo> - reference white for blue

PATH

     $CVIPHOME/COLOR/cxform.c

DESCRIPTION

     This function  performs  SCT  to  RGB  color  transformation
     according to the following equations:

                   r = rho * sin(phi) * cos(theta)
                   g = rho * sin(phi) * sin(theta)
                   b = rho * cos(phi)

TYPES AND CONSTANTS

     None

RETURN VALUES

     None

HISTORY

     History information recorded: None

SEE ALSO

     libcolor

AUTHOR

     Copyright (C) 1996 SIUE - by Scott E.  Umbaugh  and  Wenxing
     Li.