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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | RE: GISList: Constructing centroids & conflating attributes |
| Date: |
03/26/2003 06:05:01 AM |
| From: |
Gary Andersen |
|
|
Actually, X-Tools does have a new feature for adding xy coordinates.
Gary A.
-----Original Message-----
From: Derek Link [mailto:dereklink@yahoo.com]
Sent: Tuesday, March 25, 2003 5:01 PM
To: gandersen@eac-inc.com: ajq3@spatialnetworks.com
Cc: GIS List (E-mail)
Subject: RE: GISList: Constructing centroids & conflating attributes
Hi List. I use the centroid tool in XTools quite a
bit. Its good. I have tested several of the ESRI
scripts for this purpose, and Xtools wins, in my
opinion. What Xtools does not do, or at least I don't
know how to do it, is to give you the XY coordinates
for those points in the new shapefile's attribute
table. This can be very useful, if you are using the
centroids for point analysis, etc. An easy way to get
the coordinates is with a script called "Add XY
Centroid" which is also available at the ESRI site.
--- Gary Andersen <gandersen@eac-inc.com> wrote:
> Have you considered the free extension for ArcMap
> called X-Tools?
>
> http://www.taigagis.com/
>
> There appears to be some compatibility issues with
> ArcView 8.3. But I have
> found it to have some excellent features.
>
> It has the following feature:
>
> Convert Shape to Centroid
>
> This command creates a new point shape file from the
> center points
> (centroids) of the shapes in the input shapefile. A
> centroid of a shape is
> the spatial location of its ''center of mass''.
>
> The command will calculate the center of any
> shapetype (point, line, polygon
> etc.) in a feature layer and add this as a point to
> a new layer. It also
> transfers all fields of the original feature layer
> to the newly created
> point layer.
>
> Gary Andersen
> Environmental Affairs Consultants, Inc.
> CAD/GIS Department
> 429 10th Ave West
> Palmetto, FL 34221
> gandersen@eac-inc.com
>
>
>
>
>
>
>
>
> -----Original Message-----
> From: Anthony Quartararo
> [mailto:ajq3@spatialnetworks.com]
> Sent: Tuesday, March 25, 2003 11:12 AM
> To: gislist@geocomm.com
> Subject: GISList: Constructing centroids &
> conflating attributes
>
>
> List,
>
> I've got a layer of polygons (buildings) with a
> variety of attributes (name,
> address, zip, etc.). I want to create a layer that
> will represent each
> polygon as a point feature, not necessarily as a
> centroid. Further, I would
> want to transfer the polygon feature attributes to
> the corresponding new
> point features. I don't see any clear implicit
> method to do this in ArcView
> 8.2. Does this require some custom code or is it a
> native function that I
> am overlooking? Thanks in advance, and will sum.
>
> Anthony
>
>
>
>
> To unsubscribe, write to
> gislist-unsubscribe@geocomm.com
>
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=====
"As a young man, my fondest dream was to become a Geographer. However, while
working in the Patent Office, I thought deeply about the matter and
concluded that it was far too difficult a subject. With some reluctance, I
then turned to Physics as a substitute." Albert Einstein
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