
		 README for dlgviewer (ivmaps 0.5)

dlgviewer is a program for viewing DLG 1:2M data from the USGS.  See
the top-level ivmaps README for details on how to acquire this data,
or call 1-800-USA-MAPS to buy the CD-ROM.

Arguments specific to dlgviewer are:
	-mapdb pathname (or -database pathname)
		pathname of DLG 1:2M standard format database

	-maplib libname (or -library libname)
		section directory name (i.e. sect01)

	-mapcov covname (or -coverage covname)
		two letter coverage type (i.e. wb for water bodies)

	-mapfcl fcname (or -fclass fcname)
		feature class (i.e. area, line, text)

The default for dlgviewer is:

	dlgviewer -mapdb /cdrom/dlg/std -maplib sect01 -mapcov wb -mapfcl area

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