[mapserver-users] Using SLD and WMS with data comming from postgres

[Yewondwossen Assefa]

Adrien Ducos wrote:
> Ok I found the error, it was on the sld itself: apparently mapserver 
> can't handle in the same rule a point symbolizer and a polygon 
> symbolizer. So I have to make 2 sld layers: one for my points and one 
> for my polygons. It is a pity since openlayers could handle this without 
> any problem.
> 

  oops, saw this e-mail after I sent the previous.
  In Mapserver, a layer can only be of one geometry type. So I think It 
makes sense that different types of symbolizers would not be applied to 
the same layer. In you case if you have a point and a polygon layer, you 
can still use one sld with 2  <NamedLayer> (which would correspond to 
your 2 layers).

> (there was no problem with the temp file since I gave a chmod access to 
> all users in this folder; but now I understand why I have so many temp 
> files in this directory).
> 
> On Fri, May 30, 2008 at 10:29 AM, Barend Kobben <kobben at itc.nl 
> <mailto:kobben at itc.nl>> wrote:
> 
>     Did you check the SLD TMP file problem (from the thread Re: "SLD
>     ignored /
>     External Graphic ignored)" see excerpt below)?
> 
>     ***snip***
>     Using SLDs is dependent on the correct setting of the two settings
>      IMAGEPATH  -- where the mapserver software puts the SLD and other
>     temporary
>     files
>      IMAGEURL -- where the web browser and other http services pick them up.
> 
>     Setting these incorrectly, and more importantly their security setting
>     incorrrectly, will normally give no problems, but when using SLDs
>     (and also
>     in other cases, eg. when chaining Mapserver to external WMS and WFS
>     services), they will make MS malfunction, but SILENTLY (ie. No error
>     messages).
> 
>     Eg. in our set ups of a WMS with external SLD they are set as follows:
> 
>     For  a *nix setup ( MacOSX) with Mapserver CGI 'behind'  Apache:
>     WEB
>        IMAGEPATH "/Users/kobben/Sites/ms_tmp/"
>        IMAGEURL "http://localhost/~kobben/ms_tmp/
>     <http://localhost/%7Ekobben/ms_tmp/>"
>        #--------------------------------------------#
>        METADATA
>           [all your web metadata...]
>        END #metadata
>     END #web
> 
>     For a Win box with Mapserver CGI 'behind'  IIS:
>      IMAGEPATH "C:/tmp/ms_tmp/"
>      IMAGEURL "http://geoserver.itc.nl/ms_tmp/"
> 
>     The IMAGEPATh is a directory that is reacheable by Mapserver at this
>     real
>     location (in this case expressed as Unix BSD path on my MacOSX or as
>      UNC
>     path on Win) and that has read & write access set  for the Mapserver
>     process. Eg. on the Winbox it should have write access for the anonymous
>     system service account under which Mapserver runs (usually something
>     like
>     SERVERNAME\IWAM_SERVERNAME).
> 
>     You can test this by seeing if files with names like) are being
>     created when
>     you request the WMS with external SLD. If they are the IMAGEPATH celarly
>     works. Then test if you can point a browser to the IMAGEURL and pick
>     up the
>     tmp file. If that worsk the IMAGEURL is also OK. Now it should work...
> 
>     Hope this helps.
> 
>     --
>     Barend Köbben
>     International Institute for Geo-Information
>     Sciences and Earth Observation (ITC)
>     PO Box 6
>     7500AA Enschede, The Netherlands
>     +31 (0)53 4874253
> 
>     International Institute for Geo-Information Science and Earth
>     Observation (ITC)
>     Chamber of Commerce: 410 27 560
> 
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> 
> 
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-- 
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Assefa Yewondwossen
Software Analyst

Email: assefa at dmsolutions.ca
http://www.dmsolutions.ca/

Phone: (613) 565-5056 (ext 14)
Fax:   (613) 565-0925
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