[postgis] Re: Mapserver

[Paul Ramsey]

gispmpf at yahoo.com.br wrote:
> 
> First , thanks for replay so fast this massage!
> What i mean with the last question is : if i have a database with a
> table with a geom field and i need to show the points  of this
> polygon  in a web browser , i have to use the Mapserver to read this
> points and draw them on the browser. 

Yes, mapserver can read polygons (and lines and points) from a postgis
geometry field and create an image for the internet.

> And i dont have any shp files
> just dxf files of the drawings.

Check out Frank Wamerdam's OGR library for converting DXF to Shape (or
directly to PostGIS).

> Thanks , again
> João Mario L Brezolin
> GIS/Analyst
> 
> --- In postgis at y..., Paul Ramsey <pramsey at r...> wrote:
> > gispmpf at y... wrote:
> > >
> > > Where can i get more informations about the use of Mapserver with
> > > Postgis?
> >
> > Hm. Well, the PostGIS documentation has a section on Mapserver,
> which
> > covers the PostGIS-specific elements of the problem. And the
> mapserver
> > site (http://mapserver.gis.umn.edu/) has all the documentation on
> using
> > mapserver in general.
> >
> > > I have a lot of quuestios  about it like:
> > > how can i define a Symbol to be use with te data of the geom
> field?
> >
> > (I think) This is more of a Mapserver question. You can define all
> kinds
> > of symbols using a symbol table. Check out the (abstruse) mapserver
> > documentation.
> >
> > > can i draw an image using the postgis geom field?
> >
> > I am going to take a stab at this question ... if what I say makes
> no
> > sense, re-state your question, because I am not sure I know what
> you're
> > asking. Mapserver itself is an image-generation tool: it takes in
> GIS
> > data, some processing instructions about extents, styling details
> (line
> > weights, colors, fill colors, labelling), etc, and spits out a map
> > image. If you want to create a mapserver-style image from the
> command
> > line instead of via CGI, you can use the shp2img utility bundled
> with
> > Mapserver.
> >
> > >
> > > Thanks
> > > João Mario L Brezolin
> > > GIS/Analyst
> > >
> > >
> > > To unsubscribe from this group, send an email to:
> > > postgis-unsubscribe at y...
> > >
> > >
> > >
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> http://docs.yahoo.com/info/terms/
> >
> > --
> >       __
> >      /
> >      | Paul Ramsey
> >      | Refractions Research
> >      | Email: pramsey at r...
> >      | Phone: (250) 885-0632
> >      \_
> 
> 
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> 
> 
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-- 
      __
     /
     | Paul Ramsey
     | Refractions Research
     | Email: pramsey at refractions.net
     | Phone: (250) 885-0632
     \_

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