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| GeoCommunity Mailing List |
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| Subject: | Re: [gislist] ARC GIS |
| Date: |
06/30/2005 11:40:01 AM |
| From: |
jim carter |
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Rod Norland wrote:
> Help. I am lost. Our small co. has just installed Arc GIS Arc Map
>and Arc Catalog. I have been given the task of making it work. I could
>certainly use some friendly advice. Like were to start. Or anything
>else, How do other counties use this. I do know that I need a base map.
>But I don't know where to get it. The County is reluctant to spend the
>money on Allot of training so I am on my own here. Any information would
>help. THANKS RRN
>
<snip>
Rod -
My approach was to look for a school with a GIS program. In California
the community colleges are inexpensive. Text books are the main
expense. Amazon can improve the economics there - they will sell used
ESRI books at a reduced price. "Getting to Know ArcGIS" has examples
and a data set to practice with.
I mention this training first because you can obtain some sort of
approximation to a base map for a small price - or free - BUT --- What
layers do you want to use with it? What value do you place on updates?
What resolution is adequate? Washington has some activity in the
University system, and they may well have papers for nothing but
internet time, tutorials sometimes for that geographical area, or other
demonstrations of particular features. There is usually some State
repository of Digital Elevation Models or Digital Line Graphs or
Orthoquad images that will represent portions of your county. These can
be assembled with mosaic tools. You can also get data from USGS or
GeoOneStop national data resources.
Census data is yet another issue. ESRI is able to handle the
presentation of population based data, but there is no avoiding the
deciphering of your own county statistics.
Google Earth (formerly Keyhole) is a free look at fairly recent images
for free. The learning curve is as low at it gets, and the cost is
mainly broadband access service fees. ESRI products will allow more
user control than Google, but you still have to find the data. I do not
suggest Google in place of GIS, but it does give you an independent
overview of the same area.
I hope these suggestions help.
Jim Carter
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