Transform a bitmap on a section view to a 3D object
      writing the 3D object to standard output
      Required are:
      -s< width,height > size of bitmap image
      -o< x_off,y_off > x and y offsets of the bitmap image
      Options are:
      -a< pitch,yaw[,roll] > viewing angles in degrees - default 0.0
      -b< view-bibfile > input parameters from the view
            bibfile - e.g. saved from MAPaint
      -f< fx,fy,fz >       fixed point position - default zero
      -d< dist >       distance parameter - default zero
      -m< mode >       viewing mode, one of: up-is-up, statue, absolute
      -u< ux,uy,uz >       up vector - default (0.0, 0.0, 1.0)
      -h       Help - prints this usage message
      -v       Verbose operation