[MS4W-Users] Image 24 Bit

[Brent Fraser]

And how many bands does GDAL think the raster has?  What is the result of

gdalinfo  "PG:host=localhost port=5432 dbname='Environment_Models' 
user='postgres' password='postgres' schema='public' 
table='africarastercerto' mode='2'"

Best Regards,
Brent Fraser

On 11/27/2012 3:26 AM, José Pedro Santos wrote:
> Hi Brent,
>
> Thanks for your reply.
>
> I did that but don't work. When I remove PROCESSING "BANDS=1,2,3" 
> MapServer assumes that is only one band so he retrieve the result of 
> just one.
> I have the class parameters like this:
>
> CLASS
>   NAME "near white"
>   EXPRESSION ([red] > 25 AND [green] > 25 AND [blue] > 25)
>   STYLE
>     COLOR 0 0 255
> END # end parameter style
> END # end parameter class
>
> CLASS
>  NAME "white1"
>  EXPRESSION ([red] > 200 AND [green] > 200 AND [blue] > 200)
>  STYLE
>    COLOR 0 255 0
> END # end parameter style
> END # end parameter class
>
> CLASS
>  NAME "white2"
>  EXPRESSION ([red] > 200 AND [green] > 200 AND [blue] > 200)
>  STYLE
>    COLOR 255 0 0
> END # end parameter style
> END # end parameter class
>
> I already did that with 1 CLASS, 2 and finally 3. None of this works.
>
> Any suggestion?
>
> Best Regards,
> José Santos
>
> ------------------------------------------------------------------------
> Date: Mon, 26 Nov 2012 09:08:40 -0700
> From: bfraser at geoanalytic.com
> To: zpsantos1 at hotmail.com
> CC: ms4w-users at lists.maptools.org
> Subject: Re: [MS4W-Users] Image 24 Bit
>
> 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
>     <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%2c-34.8229%2c60.0032%2c38.0053&WIDTH=700&HEIGHT=500&FORMAT=image/png%3bmode=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
>     <mailto:jmckenna at gatewaygeomatics.com>
>     > To: ms4w-users at lists.maptools.org
>     <mailto: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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