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Hi Brent, <br><br>Thanks for the reply. Im no using MS4W. In working on Linux and using the version 6.2.0<br><br>My mapfile layer is like this:<br><br>LAYER # beginning of the layer parameter<br> NAME "fapartest"<br> TYPE RASTER<br> STATUS ON<br> DATA "PG:host=localhost port=5432 dbname='Environment_Models' user='postgres' password='postgres' schema='public' table='africarastercerto' mode='2'"<br> PROCESSING "NODATA=0"<br> PROCESSING "SCALE=AUTO"<br> PROCESSING "BANDS=1,2,3"<br> PROCESSING "DITHER=YES"<br><br>CLASS # beginning of the class parameter<br> NAME "Null"<br> EXPRESSION "0"<br> STYLE<br> COLOR 255 255 255<br>END # end style for class Null<br>END # end class for class Null<br><br>CLASS # beginning of the class parameter<br> NAME "Very Low"<br> EXPRESSION ([pixel] > 0 AND [pixel] < 47)<br> STYLE<br> COLOR 243 231 172<br>END # end style for class<br>END # end class for class very Low<br><br>CLASS # beginning of the class parameter<br> NAME "Low"<br> EXPRESSION ([pixel] > 47 AND [pixel] < 85)<br> STYLE<br> COLOR 132 205 51<br>END # end style for class<br>END # end class for class Low<br><br>CLASS # beginning of the class parameter<br> NAME "Moderate"<br> EXPRESSION ([pixel] > 85 AND [pixel] < 100)<br> STYLE<br> COLOR 95 202 31<br>END # end style for class<br>END # end class for class Moderate<br><br>CLASS # beginning of the class parameter<br> NAME "High"<br> EXPRESSION ([pixel] > 100 AND [pixel] < 125)<br> STYLE<br> COLOR 2 180 0<br>END # end style for class<br>END # end class for class high<br>CLASS # beginning of the class parameter<br> NAME "Vey High"<br> EXPRESSION ([pixel] > 125 AND [pixel] < 255)<br><br><br>I did the same to another raster file and works (only 1 band). This have 3 bands and when I change the parameter PROCESSING "BANDS=1,2,3" to PROCESSING "BANDS=1,2" I have result but is a blank image. <br><br>Best Regards,<br>José Santos<br><br><br><div><div id="SkyDrivePlaceholder"></div><hr id="stopSpelling">Date: Fri, 23 Nov 2012 09:02:37 -0700<br>From: bfraser@geoanalytic.com<br>To: zpsantos1@hotmail.com<br>CC: ms4w-users@lists.maptools.org<br>Subject: Re: [MS4W-Users] Image 24 Bit<br><br>
<div class="ecxmoz-cite-prefix">Which version of Mapserver (or MS4W)
are you using?<br>
<br>
I think this error has to do with processing the input imagery in
your LAYER, not the generation of the output image.<br>
How are you trying to classify your input data? What does your
LAYER object definition look like in your map file?<br>
<pre class="ecxmoz-signature">Best Regards,
Brent Fraser</pre>
On 11/23/2012 8:33 AM, José Pedro Santos wrote:<br>
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<div>> Date: Fri, 23 Nov 2012 09:59:43 -0400<br>
> From: <a class="ecxmoz-txt-link-abbreviated" href="mailto:jmckenna@gatewaygeomatics.com">jmckenna@gatewaygeomatics.com</a><br>
> To: <a class="ecxmoz-txt-link-abbreviated" href="mailto:ms4w-users@lists.maptools.org">ms4w-users@lists.maptools.org</a><br>
> Subject: Re: [MS4W-Users] Image 24 Bit<br>
> <br>
> On 12-11-23 9:27 AM, José Pedro Santos wrote:<br>
> > Dear all,<br>
> > <br>
> > I'm attempting to classify images of 24 bits but I
always have the error<br>
> > saying this: ........Unable to access file. Attempt
to classify 24bit<br>
> > image, this is unsupported.<br>
> > <br>
> > My Mapfile is this one:<br>
> > <br>
> > ...........<br>
> > <br>
> > IMAGETYPE "png24"<br>
> > <br>
> > ..........<br>
> > <br>
> > OUTPUTFORMAT # Parameter Output<br>
> > NAME png24<br>
> > DRIVER "GD/PNG"<br>
> > MIMETYPE "image/png"<br>
> > EXTENSION PNG<br>
> > IMAGEMODE RGBA<br>
> > TRANSPARENT ON<br>
> > END # end of parameter Output<br>
> > <br>
> > <br>
> > and in the expression of GetMap I use
FORMAT=image/png<br>
> > <br>
> > In the Layer description I have the special
processing directives to<br>
> > processed the 3 bands. But If put just 2 appear one
empty image not the<br>
> > error. I already read some documentation but I can't
succeed.<br>
> > <br>
> > any idea?<br>
> > <br>
> > Many thanks and best regards,<br>
> > <br>
> > José Santos<br>
> <br>
> Hello José,<br>
> <br>
> It is difficult for me to comment without testing your
local file.<br>
> However if I were you I might:<br>
> <br>
> - in your OUTPUTFORMAT object I would:<br>
> - change "GD/PNG" to "AGG/PNG"<br>
> - change "RGBA" to "RGB"<br>
> - remove "TRANSPARENT ON"<br>
> <br>
> <br>
> -jeff<br>
> <br>
> <br>
> <br>
> <br>
> -- <br>
> Jeff McKenna<br>
> MapServer Consulting and Training Services<br>
> <a class="ecxmoz-txt-link-freetext" href="http://www.gatewaygeomatics.com/" target="_blank">http://www.gatewaygeomatics.com/</a><br>
> <br>
> <br>
Hi Jeff, <br>
<br>
Thanks again for your reply. I try to change but didn't work.
Do you think that have something to do with the
Format=image/png?? Just PNG don't reply 8 bits images?<br>
<br>
Also I have another raster image but that one works well. This
have 3 bands and values between 0 and 255. I'm using MapServer
version 6.2. <br>
<br>
Another idea? <br>
<br>
Best Regards,<br>
José Santos <br>
<br>
<br>
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<br>
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