invproj(1) on Linux
The text fee201a0e3d1, as Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
forward cartographic projection filter invproj - inverse cartographic projection filter
Flags it lists
-
-E -
-I -
-S -
-V -
-b -
-i -
-o -
-r -
-s -
-t -
-v