[mapserver-users] WMS and transparent

[Rahkonen Jukka]

Hi,

Or perhaps OFFSITE will have difficulties because jpeg compression makes
totally black to almost black.  If it works the result could still be
only partially transparent image with some non-transparent pixels here
and there.

-Jukka Rahkonen-


Bart wrote: 
 
> Yeah maybe OFFSITE can do this for you, give it a try, it 
> works for normal rasters so why not for a WMS client layer 
> (haven't tried though).
> 
> Best regards,
> Bart
> 
> > Thanks for the reply.  I was hoping maybe MapServer could 
> consume that 
> > jpeg and set the white color to transparent, then mapserver would 
> > output a PNG that has transparency to the web client.  Does the 
> > offsite parameter do this by chance or is there another trick that 
> > could be used?
> >
> > -----Original Message-----
> > From: bartvde at osgis.nl [mailto:bartvde at osgis.nl]
> > Sent: Wednesday, March 25, 2009 9:47 AM
> > To: Fischer, Brian
> > Cc: mapserver-users at lists.osgeo.org
> > Subject: Re: [mapserver-users] WMS and transparent
> >
> > Hi,
> >
> > jpegs can not be transparent. Only if you switch to another image 
> > format like image/png.
> >
> > Best regards,
> > Bart
> >
> >>
> >>
> >> I am trying to consume this  WMS service with MapServer 5.0.2 as a 
> >> client and would like to make the background transparent 
> instead of 
> >> white.  Is this possible mapserver?  I tried the  "wms_transparent"
> >> "true", but that didn't seem to work.  Thanks for any suggestions.
> >>
> >>
> >>
> >>   NAME '2003orthos'
> >>
> >>   STATUS ON
> >>
> >>   EXTENT 366751.468 5034450.028 882880.091 5434570.553
> >>
> >>   UNITS Meters
> >>
> >>    SIZE  600 400
> >>
> >>    FONTSET '../fonts/fontset.list'
> >>
> >>    SYMBOLSET '../symbols/symbol.sym'
> >>
> >>   IMAGETYPE PNG24
> >>
> >>   TRANSPARENT TRUE
> >>
> >>
> >>
> >>                 WEB
> >>
> >>                                 IMAGEURL "E:\ms4w\tmp\ms_tmp"
> >>
> >>                                 IMAGEPATH "E:\ms4w\tmp\ms_tmp"
> >>
> >>                 END
> >>
> >>
> >>
> >>
> >>
> >>   LAYER
> >>
> >>     NAME         ND03
> >>
> >>     TYPE         RASTER
> >>
> >>     OFFSITE      0 0 0
> >>
> >>     STATUS       DEFAULT
> >>
> >>     CONNECTIONTYPE WMS
> >>
> >>     CONNECTION
> >>
> > 
> "http://web.apps.state.nd.us/wmsconnector/com.esri.wms.Esrimap/NDWMS_a
> > er
> >> ialimages?"
> >>
> >>
> >>
> >>     #MINSCALE      1000 # only display down to this scale
> >>
> >>     #MAXSCALE     24000
> >>
> >>
> >>
> >>     METADATA
> >>
> >>       "wms_srs" "EPSG:26914"
> >>
> >>       "wms_name" "ND03"
> >>
> >>       "wms_server_version" "1.1.1"
> >>
> >>       "wms_format" "image/jpeg"
> >>
> >>       "wms_styles" ""
> >>
> >>       "wms_exceptions" "application/vnd.ogc.se_inimage"
> >>
> >>     END
> >>
> >>
> >>
> >>   END
> >>
> >> END
> >>
> >>
> >>
> >>
> >>
> >> End #Map
> >>
> >>
> >>
> >> Thanks,
> >>
> >> Brian
> >>
> >> _______________________________________________
> >> mapserver-users mailing list
> >> mapserver-users at lists.osgeo.org
> >> http://lists.osgeo.org/mailman/listinfo/mapserver-users
> >>
> >
> >
> >
> 
> 
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