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| Subject: | Re: [gislist] Search for an ArcView extension to perform filtering
of spatial and time data |
| Date: |
06/29/2006 04:35:01 PM |
| From: |
=?ISO-8859-1?Q?Jes=FAs_de_Diego_Alarc=F3n?= |
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Hello Bill I was meaning "automatize" (using Python , VBA....), better
than "programming"
Jes=FAs de Diego
2006/6/29, Quantitative Decisions <whuber@quantdec.com>:
>
> At 07:15 PM 6/28/2006 +0200, Antonio de la Cruz wrote:
> >We are looking for an ArcView extension ...
> >We've got lots of points with dates and coordinates. These points are
> >spreaded in the 2D space. We want to select only the points that are
> >inside of a defined spatial buffer for every point and also those in a
> >time sequence.
>
> This is straightforward in many GISes, as other respondents have pointed
> out. That fact is unlikely to help someone who clearly states they need
> an
> ArcView solution. With ArcView there are many approaches and it seems
> they
> are no more complicated. You could first spatially join the buffer theme
> to the point theme, as a preliminary matter. Selecting the points is then
> done using a query. No programming or additional software ("extension")
> is
> necessary. Alternatively, without needing a spatial join, you could
> perform two queries in succession: one is a theme-on-theme query to obtain
> the points inside the buffer, followed by a query based on the time
> frames.
>
> --Bill Huber
> Quantitative Decisions
>
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