[mapserver-users] Buffer features?

[Tamas Szekeres]

In accordance with the problem mentioned, I recall a resonable enhancement
as described in
RFC22a<http://www.mapserver.org/development/rfc/ms-rfc-22a.html>which
would provide an option to configure all the stuff in the mapfile (not
requiring MapScript) and would make it easier to customize the query maps as
well.

With this enhancement 2 new layer data providers could be implemented, like:

1. CONNECTIONTYPE=QUERYRESULT would provide to represent the result sets of
one layer in a new layer.
2. CONNECTIONTYPE=TRANSFORM would provide simple geometry transformations on
a source layer and then provide the modified features as a new layer.

By chaining these layers together in a map configuration we could get such
results <http://trac.osgeo.org/mapserver/attachment/ticket/2128/sample4.png>as
included in the RFC document.

I consider this kind of enhancement could be implemented within the scope of
1-2 days of work (comparable with a fully elaborated MapScript solution
providing the same)

Best regards,

Tamas




2011/2/14 Bistrais, Bob <Bob.Bistrais at maine.gov>

>  This question may have come up before, but I haven’t found it in the
> archives.  I would like to take a selected feature and buffer it to a
> specified distance.  I know it’s possible to do a queryByPoint with a buffer
> distance, but I need to create an actual buffer shape to display on the
> map.  Has anyone done something like this before?  Does MapServer have this
> capability?
>
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> mapserver-users at lists.osgeo.org
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>
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