
		 README for vpfviewer (ivmaps 0.5)

vpfviewer is a program for viewing DCW data in VPF format.  See
the top-level ivmaps README for details on how to acquire this data,
or call 1-800-USA-MAPS to buy the 4 CD-ROM set.

Arguments specific to vpfviewer are:
	-mapdb pathname (or -database pathname)	pathname of DCW database
	-maplib libname (or -library libname)	library name
	-mapcov covname (or -coverage covname)  coverage name
	-mapfcl fcname (or -fclass fcname)	feature class

The default for vpfviewer is:

	vpfviewer -mapdb /cdrom/dcw -maplib browse -mapcov po -mapfcl poarea

More instructions on running vpfviewer at http://www.vectaport.com/ivmaps/
