This routine is obsolete and has been replaced with the ENVIStandardRasterSpatialRef routine.
Use this procedure to update the ENVI Classic projections.
Syntax
ENVI_ADD_PROJECTION, Proj [, NAME=string] [, /WRITE]
Keywords
NAME
Use this keyword to specify the output file to write, including the directory path. The default is to use map_proj.txt in the map_proj directory of the installation tree. NAME is a string.
WRITE
Set this keyword to update the map projection file. The default is to add the projection to the current ENVI Classic session and not save the projection to a file.