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Geographic Information Systems FAQ



Frequently Asked Questions about Geographic Information Systems.

This FAQ about Geographic Information Systems was compiled and written by Lisa Nyman lnyman@census.gov with numerous contributions by others.

-1.1: How do I get the FAQ list? (comp.infosystems.gis)
The most current version is ...
-1.2: What is the difference between the newsgroup and listserv? (comp.infosystems.gis)
The newsgroup comp.infosystems.gis is a Usenet special interest ...
-1.3: Can I post a commercial advertisement to this list/group? (comp.infosystems.gis)
In principle, announcement of professional services or products on ...
-2.1: What in the world is a 'GIS'?
From: Scott ...
-2.2: What colleges and universities offer coursework in GIS?
Many schools throughout the world offer coursework in GIS and ...
-2.3: What are the NCGIA anon ftp sites and what can be found there?
-2.4: Where is that On_Line GIS bibliography (and what's in it)?
From: Duane F. Marble ...
-3.1: What are the United States map accuracy standards?
-3.2: What is the Vector Product Format and where can I get information? (Geographic Information Systems)
-3.3: What is this SDTS thing and is it available via ftp? (Geographic Information Systems)
From: Dan Henke ...
-3.4: What is a DXF file and where can I get info about it? (Geographic Information Systems)
From: tchild@AUTODESK.COM (Timothy Child)...
-3.5: What is DEM? (Geographic Information Systems)
From: David Mark (dmark@sun.acsu.buffalo.edu)...
-3.6: Where can I get information about TIGER/Line? I heard there is a terrific new and improved release... :-) (Geographic Information Systems)
For information on TIGER/Line products and releases, ...
-3.7: How do I order USGS maps? (Geographic Information Systems)
It's easy. Just call (in the US) 1-800-USA-...
-3.8: What is the Digital Chart of the World (DCW) and how do I get one? (Geographic Information Systems)
From: Mike Phoenix ...
-3.9 Is there a package available to convert FROM UTM to latitude/longitude? (Geographic Information Systems)
An on-line service is available at:...
-3.10: Does a file exists of latitude and longitude of US cities?
From: Craig Best ...
-3.11: Where can I get old antique maps? (Geographic Information Systems)
Contact the International Map Dealers Association....
-3.12: Is there a standard for representing latitude and longitude? (Geographic Information Systems)
Yes. ISO 6709:1983 Standard Representation of Latitude, Longitude and ...
-3.13: Has anyone compiled a list of standards and formats? (Geographic Information Systems)
Yes, people are attempting to do this. For a start, check out:...
-4.1: What are some other related mailing lists, ftp sites and internet sources for useful resources? (Geographic Information Systems)
A. Bill Thoen has compiled a *huge* resource list ...
-4.2: How do I subscribe to GIS-L?
If you are unable to access the comp.infosystems.gis newsgroup, ...
-4.3: What are some books and magazines available on GIS? (Geographic Information Systems)
____ GeoInfo Systems Magazine, PO Box 7678, Riverton, NJ 08077-9178 ...
-4.4: Where can I get a copy of the SpatioTemporal Bibliography? (Geographic Information Systems)
From: soo@CS.ARIZONA.EDU (Michael Soo)...
-4.5: What are some professional organizations out there for GISers?
URISA is the Urban and Regional Information Systems ...
-4.6: What are some journals which carry GIS articles?
From: Casson Stallings and Friends ...
-4.7: How can I subscribe to the Int'l Journal of GIS?
From: Duane F. Marble ...
-4.8: What are some World Wide Web URLs for GIS information?
[Ed. Note 2/13/97: It's a waste of space to keep a list of ...
-4.9 Where can I find pointers to satellite data?
One site is SOEST SATELLITE OCEANOGRAPHY LABORATORY:...
-4.10: Are any mailing lists archived anywhere? (Geographic Information Systems)
ESRI-L, ARCVIEW-L and IMAGRS-L are archives at:...
-4.11: Can you recommend any other resource documents? (Geographic Information Systems)
The Virtual Earth - A Tour of the WWW for Earth ...
-4.12: Can you point me towards some on-line job resources? (Geographic Information Systems)
Sure we can. Use your favorite WWW browser to access:...
-5.1: What is the best way to calculate the great circle distance (which deliberately ignores elevation differences) between 2 points?
(This answer was prepared by Robert G. Chamberlain of Caltech (JPL):...
-5.1a: What value should I use for the radius of the Earth, R?
The historical definition of a nautical mile is one minute of arc of ...
-5.1b: When is it NOT okay to assume the Earth is a sphere?
A quick test is: Compute the values of R produced by the equation with ...
-5.1c: When is it NOT okay to assume the Earth is an ellipsoid?
The shape the Earth would assume if it were all measured at mean sea ...
-5.2: What is GPS?
More information is available from:...
-5.3: What can you tell me about map projections? (Geographic Information Systems)
From: John Ganter ...
-6.1: What are e-mail and paper addresses, and WWW sites of some vendors? (Geographic Information Systems)
For a complete USMail address list of GIS and mapping vendors, ...
-6.2.1: What public domain or shareware GIS/carto software is available and where is it? (Geographic Information Systems)
This list seems to be growing with software that does ...
-6.2.2: What public domain or shareware GIS/carto software is available and where is it? (Geographic Information Systems)
The National Geodetic Survey (NOAA/NGS) provides many FORTRAN ...
-6.2.3: What public domain or shareware GIS/carto software is available and where is it? (Geographic Information Systems)
-6.2.4: What public domain or shareware GIS/carto software is available and where is it? (Geographic Information Systems)
-6.2.5: What public domain or shareware GIS/carto software is available and where is it? (Geographic Information Systems)
-6.3: Will GRASS run under LINUX OS on my PC? (Geographic Information Systems)
From Mark Line ...
-6.4: How do you convert ARC coverages to IDRISI? (Geographic Information Systems)
From: Mike Killion ...
-6.5: How do I convert ARC coverages to GRASS? (Geographic Information Systems)
[Ed. note: As with most lists, this one has been ...
-6.6: Where can I find some AMLs to look at? (Geographic Information Systems)
AMLs and other ESRI scripts are available at ...
-6.7: How can I convert ARC files to some other graphics formats? (Geographic Information Systems)
Summary From: Fred J. Calef III ...
-6.8.1: How do Arc/Info and Intergraph MGE compare? (Geographic Information Systems)
Summary from: Chris Wade ...
-6.8.2: How do Arc/Info and Intergraph MGE compare? (Geographic Information Systems)
From: HarleyP@MSMAIL.WAIRC.GOVT....
-6.8.3: How do Arc/Info and Intergraph MGE compare? (Geographic Information Systems)
From: sonny@tfssun.tamu....









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