[Mapserver-users] 24 bit raster support

[kgrootendorst at baird.com]

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Awesome.  Thanks Tyler.

Kevin




Tyler Mitchell <tjmitchell at riverside.bc.ca> 
07/16/2004 11:40 AM

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Yes and yes.

> Does MapServer 4.2 support 24 bit raster imagery right 'out of the box'? 



Most likely, the version have does support it.

> I'm displaying a 24 bit raster on my site, but the color quality is 
> quite poor. 
> I'm relatively inexperienced with mapserver, but do I have to 
> specify something in my .map file for mapserver to treat it as 24 bit? 

Yes, you need to be explicit.
Adding something like this after the WEB section will get you started:

---------
IMAGETYPE png

OUTPUTFORMAT
  NAME png
  DRIVER "GD/PNG"
  MIMETYPE "image/png"
  IMAGEMODE RGB #PC256
  EXTENSION "png"
END
---------

> LAYER 
>     NAME "Oakville Raster" 
>     STATUS OFF 
>     DATA "./images/ORTH176080481102002FBS.tif" 
>     TYPE RASTER 
>     UNITS METERS 
>     SIZEUNITS PIXELS 
>     PROJECTION 
>       "init=epsg:26917"      #UTM Zone 17N NAD 83 
>     END 
> END 
> 
> Any ideas? 
> 
> Kevin


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<br><font size=2 face="sans-serif">Awesome. &nbsp;Thanks Tyler.<br>
</font>
<br><font size=2 face="sans-serif">Kevin</font>
<br>
<br>
<br>
<br>
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<td width=40%><font size=1 face="sans-serif"><b>Tyler Mitchell &lt;tjmitchell at riverside.bc.ca&gt;</b>
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<p><font size=1 face="sans-serif">07/16/2004 11:40 AM</font>
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<div align=right><font size=1 face="sans-serif">To</font></div>
<td valign=top><font size=1 face="sans-serif">kgrootendorst at baird.com</font>
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<td>
<div align=right><font size=1 face="sans-serif">cc</font></div>
<td valign=top><font size=1 face="sans-serif">mapserver-users at lists.gis.umn.edu</font>
<tr>
<td>
<div align=right><font size=1 face="sans-serif">Subject</font></div>
<td valign=top><font size=1 face="sans-serif">[SPAM] - Re: [Mapserver-users]
24 bit raster support - Email found in subject</font></table>
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<td>
<td></table>
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<br><font size=2><tt>Yes and yes.<br>
<br>
&gt; Does MapServer 4.2 support 24 bit raster imagery right 'out of the
box'? <br>
<br>
<br>
Most likely, the version have does support it.<br>
<br>
&gt; I'm displaying a 24 bit raster on my site, but the color quality is
<br>
&gt; quite poor. <br>
&gt; I'm relatively inexperienced with mapserver, but do I have to <br>
&gt; specify something in my .map file for mapserver to treat it as 24
bit? <br>
<br>
Yes, you need to be explicit.<br>
Adding something like this after the WEB section will get you started:<br>
<br>
---------<br>
IMAGETYPE png<br>
<br>
OUTPUTFORMAT<br>
 &nbsp;NAME png<br>
 &nbsp;DRIVER &quot;GD/PNG&quot;<br>
 &nbsp;MIMETYPE &quot;image/png&quot;<br>
 &nbsp;IMAGEMODE RGB #PC256<br>
 &nbsp;EXTENSION &quot;png&quot;<br>
END<br>
---------<br>
<br>
&gt; LAYER <br>
&gt; &nbsp; &nbsp; NAME &quot;Oakville Raster&quot; <br>
&gt; &nbsp; &nbsp; STATUS OFF <br>
&gt; &nbsp; &nbsp; DATA &quot;./images/ORTH176080481102002FBS.tif&quot;
<br>
&gt; &nbsp; &nbsp; TYPE RASTER <br>
&gt; &nbsp; &nbsp; UNITS METERS <br>
&gt; &nbsp; &nbsp; SIZEUNITS PIXELS <br>
&gt; &nbsp; &nbsp; PROJECTION <br>
&gt; &nbsp; &nbsp; &nbsp; &quot;init=epsg:26917&quot; &nbsp; &nbsp; &nbsp;#UTM
Zone 17N NAD 83 <br>
&gt; &nbsp; &nbsp; END <br>
&gt; END <br>
&gt; <br>
&gt; Any ideas? <br>
&gt; <br>
&gt; Kevin<br>
</tt></font>
<br>
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