[postgis-users] AsSVG()
strk at refractions.net
strk at refractions.net
Fri Sep 10 02:50:06 PDT 2004
Thanks to Klaus Forster (sorry for the "o"... can't rely on
8bit chars) whose gave permission to include use his code
the AsSVG() function will be included in next postgis release.
About accuracy control I think it would be better to have
a separate function controlling it (apply_grid ?) and leave
assvg() with it's own SVG-specific arguments.
What do people think about this ?
--strk;
On Fri, Sep 10, 2004 at 03:13:04PM +0900, Andreas Neumann wrote:
> Hello,
>
> I would also strongly encourage the inclusion of the AsSVG() patch into
> the main source tree of Postgis. Being able to control the accuracy (nr
> of decimal places) is also very important for me. Thanks for providing
> the patch!
>
> I personally use SVG and Postgis a lot in SVG mapping projects (see f.e.
> http://www.carto.net/geog234/lab7/index.svg - be careful with loading
> the contour lines (those are not well optimized for web-use))
>
>
> I am currently in Japan at the SVG.Open, UBIMap and CSIS Symposium.
>
> SVG for webmapping is very popular in Japan and just recently strongly
> recommended in Japan as a standard way to display spatial data on the
> web and mobile devices. Furthermore the two biggest mobile companies
> (NTT, KDDI) invest a lot in SVG for mobile devices.
>
> http://www.svgopen.org/2004/proceedings_en.html (look for goSVG and LBS
> services) and www.jamaps.com
>
> KDDI is strongly pushing SVG to also become a international standard for
> Location based services.
>
> Finally: SVG can also be used for digitizing geographic data and feed it
> into Postgis: http://www.carto.net/papers/svg/digi/ - that project is
> still immature and at an early stage, but I think the idea might be
> interesting.
>
> So, please include it in the Postgis distribution - it is very important!
>
> Andreas
>
> btw: KDDI (second largest mobile provider in Japan) also uses Postgres
> for providing LBS data. Currently they don't use Postgis, since they
> only serve point-locations so far.
>
> --
> --
> ----------------------------------------------
> Andreas Neumann - Department of Cartography
> Swiss Federal Institute of Technology (ETH)
> ETH Hoenggerberg, CH-8093 Zurich, Switzerland
> Phone: ++41-1-633 3031, Fax: ++41-1-633 1153
> e-mail: neumann at karto.baug.ethz.ch
> www: http://www.karto.ethz.ch/neumann/
> SVG.Open: http://www.svgopen.org/
> Carto.net: http://www.carto.net/
>
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