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| GeoCommunity Mailing List |
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| Subject: | RE: GISList: clarification to theposting: distances between poin
ts AV3.2 |
| Date: |
06/10/2002 07:58:38 AM |
| From: |
Lombard, Kristi |
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Actually this might be more what you are looking for:
http://arcscripts.esri.com/details.asp?dbid=11234.
The Summary states: "The script prompts the user for a 'From' theme and a
'To' theme. Distances to the nearest feature in the 'To' theme are measured
for each feature in the 'From' theme.
Kristi.
-----Original Message-----
From: Lombard, Kristi [mailto:klombard@3eti.com]
Sent: Friday, May 24, 2002 4:29 PM
To: 'T B': gislist@geocomm.com
Subject: RE: GISList: clarification to theposting: distances between
poin ts AV3.2
Hello,
There is a script available that can calculate all distances from the points
in one theme to the points in another theme, located
http://arcscripts.esri.com/details.asp?dbid=10761. In your case the "TO"
theme would be the large set of 25,000 points, the "FROM" theme would be the
set of 25 control points. The resulting distances are stored in the "TO"
Theme table, one column for each point selected in the "FROM" theme table.
You would have to modify the script if you want the results to be stored in
a new and separate table, containing only the distance to the CLOSEST FROM
point.
For more distance-related scripts, see
http://arcscripts.esri.com/scripts.asp?eQuery=distance&eLang=2&eProd=4&eRecs
=100&eDesc=on.
Hope this helps.
Kristi.
-----Original Message-----
From: T B [mailto:boadgrl@earthlink.net]
Sent: Friday, May 24, 2002 4:18 PM
To: gislist@geocomm.com
Subject: GISList: clarification to theposting: distances between points
AV3.2
Just clarifying a few things:
The larger data set consists of approx 25,000 points. They are the centroids
generated from a polygon file, so if using the original polygon file would
be easier, it is available.
I am running AV3.2 and have used it quite a bit, but have not used spatial
analyst much!
Thanks!
> Hello Listers,
>
> I have a data set of approximately 25,000 records in a point file. I have
a
> set of 25 control points.
> I would like to generate the distance from each of the points in the
larger
> set to it's closest control point, with the end result being a table of
> these values, and their appropriate labels (ie: which of the points is
being
> measured,which of the control points is it closest to, and what is the
> distance).
>
> Is there an easy, (or mostly painless) way to do this?
>
> I have access AV3.2, and to spatial analyst but very little experience
with
> it. I do not know any programming.
>
> Can anyone direct me to a tool, a process or a script which would
facilitate
> this?
>
> Thanks very much, in advance!
> I will summarize the responses promptly.
>
> T. Boad
> boadgrl@earthlink.net
>
>
>
>
>
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