This article is from the Geographic Information Systems FAQ, by Lisa Nyman email@example.com with numerous contributions by others.
The U.S. Army Construction Engineering Research Laboratory's
(USA-CERL) Geographic Resources Analysis Support System (GRASS) was
developed to provide management tools to Army environmental
planners and land managers. GRASS also has many applications for Civil
Works project planning and design. GRASS has many capabilities,
including the handling of different representations of data:
RASTER DATA -- raster (or grid cell type) data can be used for
analyzing, overlaying, and modeling areal features such as soil types
or forested areas.
VECTOR DATA -- vector data can be used to represent linear features
such as roads, streams or area edges and can be combined with raster
data for display purposes or for analysis.
POINT DATA -- point data can be used to represent landmarks or the
location of significant sites.
From: firstname.lastname@example.org (Scott Wade)
One way to obtain GRASS is via anonymous ftp from moon.cecer.army.mil
[22.214.171.124]. It is available at any time.
This is complete message form Office of GRASS Integration:
From: Ken Brownfield <email@example.com>
The OGI GRASS FTP server has been moved and reorganized.
The FTP site is now available 24 hours a day, seven days a week. (!)
The name of the new FTP site machine is still moon.cecer.army.mil, but
the IP number has changed to 126.96.36.199. From any Internet
machine, moon.cecer.army.mil should still work fine. After connecting
to the moon, change your directory (using cd) to the grass directory.
Since the new site is shared between many offices here at cerl, grass
is in its own directory on the ftp site.
The site has been reorganized in a more intuitive manner, so programs
and updates should be easier to find. When GRASS v4.1 has been
released, bug fixes will be separated from new programs and existing
program _upgrades_. We hope that the lifted time limitations will give
everyone a chance to access the FTP site at normal working hours. If
you have problems, comments, or suggestions, please send mail to ftp-
MOSS for the IBM PC can be found on ftp.csn.org [188.8.131.52] in the
PC MOSS contact: Sol Katz firstname.lastname@example.org
FTP contact: Bill Thoen <email@example.com>
I have recently posted the source code to PC MOSS at ftp.csn.org. To get it,
ftp to ftp.csn.org and look in the COGS/MOSS directory for mosssrc.zip
and mosssrc2.zip. It's public domain code and written in
FORTRAN. MOSS is a vector-based GIS system widely used by the
US BLM and others. The workstation version is several revs ahead
of the PC version, and (in case you're wondering) the PC version is
no longer being updated.
The MOSS source code (and many other GIS-oriented files not on this
ftp site) can also be found on GISnet BBS. GISnet's number is
(303) 447-0927, (Boulder, Colorado) and you can call anytime at 1200,
2400, 9600 baud. However file downloading from GISnet requires a
subscription ($48/yr), but you *can* download the full list of files,
and a few other files for no charge.
Please don't ask me questions about how to compile, link, etc. or
anything about the algorithms involved in this code. I just put
this out there because I think it may be of interest, but I can't
offer tech support, because I don't know it very well myself, and
besides, the code is fully self-documenting anyway... (muhaha!)
The source code for PC MOSS as well as the executables (and manual)
are on ftp.csn.org (128.138.313.21) in the /COGS/MOSS directory.
The pc code is several rev's behind the current version.
Current version is available from the blm in prime magsav
format for about $250. or in ascii for about $500. (cost of distribution).
also autometric inc. distributes an UNIX X-windows version, contact
them at 303-989-6399 (fax 303-989-5799)
Although MOSS is PD, to my knowledge, no one who has acquired it has posted
it on a FTP site. The vector portions of the current version have been
ported to 3 different operating systems. It is believed that a port to the
PC would not be difficult.
For those brave souls who might be considering porting PD MOSS to
a new platform, a copy of the moss programmers manual has been uploaded to
dsc.blm.gov in the ftp/pub/gis directory.
Arcview 1.0 for Window 3.x
Available via ftp at
Arc Digitised Raster Graphics (ARDG)
From: firstname.lastname@example.org (John Schuster)
Code for viewing ADRG (Arc Digitised Raster Graphics) files is
available on the GRIPS II CD-ROM. The U.S. Army Engineer Topographic
Labs (Juan Perez) gave me permission to post the code on the net, so
I've posted adrg.zip to spectrum.xerox.com. The GRIPS II (Gov. Raster
Image Processing Software) CD-ROM is available from CD-ROM Inc. at
1-800-821-5245 for $49. Special thanks to Peter Z. Simpson for
pointing this out.