[MS4W-Users] Image 24 Bit

[Brent Fraser]

Remove all your PROCESSING directives for the layer (see my previous 
email for details).

Best Regards,
Brent Fraser

On 11/26/2012 8:55 AM, José Pedro Santos wrote:
> Dear all,
>
> I try do change like Jeff propose but I can't succeed..I get always 
> the following error:
>
> <ServiceExceptionReport version="1.1.1"><ServiceException>
> msDrawMap(): Image handling error. Failed to draw layer named 'fapartest'.
> drawGDAL(): Unable to access file. Attempt to classify 24bit image, 
> this is unsupported.
> </ServiceException></ServiceExceptionReport>
>
> *With this link*: 
> http://localhost/cgi-bin/mapserv?map=/var/www/africarastercrt.map&VERSION=1.1.1&Request=GetMap&LAYERS=fapartest&STYLES=&SRS=EPSG:4326&BBOX=-26.0057,-34.8229,60.0032,38.0053&WIDTH=700&HEIGHT=500&FORMAT=image/png;mode=24bit
>
> But I make some tests and I don't think that is OUTPUTFORMAT that have 
> the error. I have on the LAYER section this parameter: PROCESSING 
> "BANDS=1,2,3
> because my image is a RGB image (0 - 255) but when I put only one band 
> or two bands the result is the color from the first band (like explain 
> on the raster data access) but only the color and not the layer. I 
> have the outformat and the class parameter like this:
>
> OUTPUTFORMAT # Parameter Output
>  NAME png24
>  DRIVER "AGG/PNG"
>  MIMETYPE "image/png;mode=24bit"
>  EXTENSION PNG
>  IMAGEMODE RGB
> END # end of parameter Output
>
>
> CLASS
>   NAME "near white"
>   EXPRESSION ([red] > 200 AND [green] > 200 AND [blue] > 200)
>   STYLE
>     COLOR 0 0 255
> END # end parameter style
> END # end parameter class
>
> I working with this since a long time and I don't understand why.. 
> Also I have another raster image with just one band and works 
> fine...any ideas/suggestions??
>
> Best Regards and thanks,
> José Santos
>
>
> > Date: Fri, 23 Nov 2012 15:43:24 -0400
> > From: jmckenna at gatewaygeomatics.com
> > To: ms4w-users at lists.maptools.org
> > Subject: Re: [MS4W-Users] Image 24 Bit
> >
> > Jose, see response below from Mike.
> >
> > (I also regularly use AGG/PNG for 24bit, as that was my first response
> > earlier...sorry just trying to debug for Jose..hard for me without the
> > data in my hands)
> >
> > -jeff
> >
> >
> >
> > On 12-11-23 3:37 PM, Smith, Michael ERDC-RDE-CRREL-NH wrote:
> > > Jeff,
> > >
> > > That¹s only for reading imagery.
> > >
> > > AGG/PNG renderer will certainly do 24 bit output. I use (in cgi mode)
> > > map_imagetype=png24,
> > >
> > > For a wms image request, one should use format=image/png;mode=24bit
> > >
> > > Mike
> > >
> >
> >
> >
> > --
> > Jeff McKenna
> > MapServer Consulting and Training Services
> > http://www.gatewaygeomatics.com/
> >
> >
> > _______________________________________________
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> > MS4W-Users at lists.maptools.org
> > http://lists.maptools.org/mailman/listinfo/ms4w-users
>
>
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