[Geomoose-users] Unsupported output format (image/png;bits=8)

James Klassen klassen.js at gmail.com
Tue Aug 13 08:48:24 PDT 2013


The other thing to keep in mind is at least for WMS layers, OpenLayers
(and thus GeoMoose) does some "magic" in setting an output format if you
don't specify one.

http://dev.openlayers.org/apidocs/files/OpenLayers/Layer/WMS-js.html#OpenLayers.Layer.WMS.noMagic

On 2013/8/13 9:41 AM, Robert R. Raiz wrote:
> For me it isn't, as I use a lot of tiff files, icons and images in
> general. Using the param in the mapbook, it overwrites the
> OUTPUTFORMAT in the map file (thus the error stated in the topic title);
> After I removed this param, I can use one, more or zero OUTPUTFORMATS
> in the mapfile and it works quite well.
>
> Maybe it is useful when you only have to render vector data ?! it
> could render the features faster if it uses an 8bit value..I'm just
> thinking out loud, I could be talking non-sense.
>
>
> On Tue, Aug 13, 2013 at 5:19 PM, Eli Adam <eadam at co.lincoln.or.us
> <mailto:eadam at co.lincoln.or.us>> wrote:
>
>     On Wed, Aug 7, 2013 at 7:40 AM, Robert R. Raiz
>     <raizrobert at gmail.com <mailto:raizrobert at gmail.com>> wrote:
>
>     > I managed to find out the cause of this error. If the param
>     value is declared, it will not take consideration of any other
>     OUTPUTFORMAT other than the one with MIMETYPE "image/png;bits=8"
>     > example of param:
>     > <map-source name="parcels" type="mapserver">
>     >                 <file>./demo/parcels/parcels.map</file>
>     >                 <layer name="parcels" status="on"/>
>     >                 <param name="FORMAT" value="image/png;bits=8"/>
>     >  </map-source>
>
>     Tricky. 
>
>     I see that you got that from the demo example,
>     http://trac.osgeo.org/geomoose/browser/geomoose2/branches/geomoose-2.6/conf/mapbook.xml#L102 
>     I'm wondering if the documentation should be updated in
>     http://www.geomoose.org/docs/mapbook.html#map-source or in the
>     adding a layer section or the geomoose_globals.map section of
>     http://www.geomoose.org/howto/layer.html
>
>     Is there a reason to include the FORMAT parameter in the mapbook? 
>
>     Thoughts?
>
>     Eli
>
>
>      
>     >
>     >
>     > If I remove that param, GeoMoose displays any other OUTPUTFORMAT
>     from my map template. I did not notice it before as I have a
>     script that brings in the mapbook all the layers, params and so on
>     from my mapfile.
>     >
>     > I will come back shortly with my findings on this post as
>     well: http://lists.osgeo.org/pipermail/geomoose-users/2013-July/005108.html
>     >
>     >
>     > On Wed, Jul 24, 2013 at 5:02 PM, Robert R. Raiz
>     <raizrobert at gmail.com <mailto:raizrobert at gmail.com>> wrote:
>     >>
>     >> Thank you Brent,
>     >>
>     >> Unfortunately, I still get that error even with your settings.
>     >> I am using 6.2.1. It appears like it is hardcoded somewhere,
>     dunno. The mapfile is quite straightforward, no complicated stuff.
>     The only version which works (but does not display png icons well)
>     is the one from the first emails. Did not see this type of errors
>     before. Strange.
>     >>
>     >>
>     >> On Wed, Jul 24, 2013 at 4:53 PM, Brent Fraser
>     <bfraser at geoanalytic.com <mailto:bfraser at geoanalytic.com>> wrote:
>     >>>
>     >>> Here's the definition I appear to be using:
>     >>>
>     >>>     IMAGETYPE AGG_PNG
>     >>>     OUTPUTFORMAT
>     >>>         NAME  'AGG_PNG'
>     >>>         DRIVER AGG/PNG
>     >>> #        MIMETYPE "image/png;mode=24bit"
>     >>>         MIMETYPE "image/png"
>     >>>         IMAGEMODE RGBA    # renders IMAGECOLOR transparent
>     >>>         EXTENSION "png"
>     >>>         FORMATOPTION "INTERLACE=false"
>     >>>         FORMATOPTION "TRANSPARENT=ON"
>     >>>         TRANSPARENT ON
>     >>>         FORMATOPTION "QUANTIZE_FORCE=ON"
>     >>>         FORMATOPTION "QUANTIZE_DITHER=off"
>     >>>         FORMATOPTION "QUANTIZE_COLORS=256"
>     >>>     END
>     >>>
>     >>> Which version of Mapserver are you using?
>     >>>
>     >>> Best Regards,
>     >>> Brent Fraser
>     >>>
>     >>> On 7/24/2013 7:37 AM, Robert R. Raiz wrote:
>     >>>>
>     >>>> I just tried it out. Both:
>     >>>>
>     >>>> WEB
>     >>>> METADATA
>     >>>> 'ows_title' 'Parcel Maps'
>     >>>> 'ows_srs' 'EPSG:26915 EPSG:4326 EPSG:900913 EPSG:4269 EPSG:2277'
>     >>>> 'ows_enable_request' '*'
>     >>>> 'ows_onlineresource' 'http://www.geomoose.org'
>     >>>> END
>     >>>> END
>     >>>>
>     >>>> OUTPUTFORMAT
>     >>>>  NAME "png8"
>     >>>>  DRIVER AGG/PNG8
>     >>>>  MIMETYPE "image/png; mode=8bit"
>     >>>>  IMAGEMODE RGB
>     >>>>  EXTENSION "png"
>     >>>> END
>     >>>>
>     >>>> And:
>     >>>>
>     >>>>         OUTPUTFORMAT
>     >>>>  NAME "png32"
>     >>>>  DRIVER AGG/PNG
>     >>>>  MIMETYPE "image/png; mode=32bit"
>     >>>>  IMAGEMODE RGBA
>     >>>>  EXTENSION "png"
>     >>>> END
>     >>>>
>     >>>> Both return the same error. I think the syntax is quite ok, I
>     do not see what could be wrong as there are a few simple lines.
>     >>>> If I put DRIVER AGG/PNG32 is returns another
>     error: loadOutputFormat(): General error message. OUTPUTFORMAT
>     clause references driver AGG/PNG32, but this driver isn't configured.
>     >>>>
>     >>>>
>     >>>
>     >>
>     >>
>     >>
>     >> --
>     >> Raiz Roland Robert
>     >>
>     >>
>     >
>     >
>     >
>     > --
>     > Raiz Roland Robert
>     >
>     >
>     >
>     > _______________________________________________
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>     >
>
>
>
>
> -- 
> */Raiz Roland Robert/*
>
>
>
>
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