Level 2 Help for TGEOM1

The input dataset must have been generated by the program TRIGRID, or be
organized in the same manner.

The output dataset will contain the transformation map to be used by TGEOM2 to
geometrically correct images.  The output dataset will have the number of lines
and samples specified by the parameters NL and NS.  It will contain two bands
(REAL format, BIL organization).  The first band holds the line number and the
second band holds the sample number in the raw image that maps to this location.

NL is the number of lines to be output by TGEOM1 and TGEOM2.
There is no default value; the user must specify its value.

NS is the number of samples to be output by TGEOM1 and TGEOM2.
There is no default value; the user must specify its value.