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| GeoCommunity Mailing List |
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| Subject: | Re: [gislist] Conflate (Conflation: align perfectly) datasets |
| Date: |
04/05/2004 04:40:02 PM |
| From: |
Mach Chnife |
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Yeah that's right that in ESRI documentation,
conflation means to transfer attributes from one layer
to another.
The different definition I was giving comes from the
developers of JCS (Java Conflation Suite): "Combining
different source material into an integrated single
geospatial data set is called conflation."
Definition: www.vividsolutions.com/projects/jcs.html
JCS home: www.vividsolutions.com/jcs/
I think their philosophy is to include all the steps
(Cleaning, aligning, matching, etc.) leading to
attributes transfer, in a process called "conflation".
It's kind of a very amazing program for the
price...FREE!! (Open Source). It's very helpful to
find gaps and overlaps!
The ESRI solution to the problem I was exposing is
probably using topology rules with geodatabases hey?
Thanks!
mACH nIFE
--- "Leonard, Korine" <leonardk@yorkcounty.gov> wrote:
> Subject: Re: [gislist] Conflate (Conflation: align
perfectly) datasets
> Date: Fri, 2 Apr 2004 13:16:24 -0500
> From: "Leonard, Korine" <leonardk@yorkcounty.gov>
Add to Address Book
> To: machnife@yahoo.com
>
> Just wanted to let you know that in ESRI software,
the term "conflation" refers to populating attributes
of one layer from another layer - it has nothing to do
with the alignment or spatial adjustment of the
features.
>
> If you are using ESRI s/w (it doesn't seem like you
are), you should research the term "spatial
adjustment" or "rubbersheeting".
>
> Korine R. Leonard
> GIS Manager
> County of York, Virginia
> (757) 890-3584 (direct)
> (757) 890-3899 (main)
> www.yorkcounty.gov
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