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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>David, <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>You can easily set up your hillshade image as one layer and turn
it on for display. In addition to that, you can have your DEM as a second
layer that is not displayed, but is available for query. <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I don’t think that I have ever used the raster query
functionality, but you can find some info here:<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><a href="http://trac.osgeo.org/mapserver/wiki/RasterQuery">http://trac.osgeo.org/mapserver/wiki/RasterQuery</a><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><a href="http://mapserver.org/input/raster.html#raster-query">http://mapserver.org/input/raster.html#raster-query</a><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Is this what you were thinking?<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>David.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
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<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> David Hildebrand
[mailto:David.Hildebrand@afsc.ca] <br>
<b>Sent:</b> Thursday, November 04, 2010 4:26 PM<br>
<b>To:</b> mapserver-users@lists.osgeo.org<br>
<b>Cc:</b> Fawcett, David (MPCA)<br>
<b>Subject:</b> RE: [mapserver-users] RE: DEM display<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>How can I combine a pre-rendered hillshade model with an elevation
layer? Can I set the transparency of a layer? Is there a GDAL
utility for rendering a combined hillshade/elevation model which will still
retain the original elevation values for query?<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'><o:p> </o:p></span></p>
<div>
<p><span style='font-size:10.0pt;color:navy'>===========================<br>
David V. Hildebrand<br>
Agriculture Financial Services Corporation<br>
(403) 782-8239 <br>
<br>
</span><span style='color:navy'><a href="about:www.afsc.ca"><span
style='font-size:10.0pt'>www.afsc.ca</span></a></span><u><span
style='font-size:10.0pt;color:navy'> <</span></u><span style='color:navy'><a
href="http://www.afsc.ca/"><span style='font-size:10.0pt'>http://www.afsc.ca</span></a></span><u><span
style='font-size:10.0pt;color:navy'>><br>
</span></u><span style='font-size:10.0pt;color:navy'>This communication is
intended for the use of the recipient to which it is addressed, and may contain
confidential, personal and/or privileged information. Please contact
Agriculture Financial Services Corporation immediately if you are not the
intended recipient of this communication, and do not copy, distribute, or take
action relying on it. Any communication received in error, or subsequent reply,
should be deleted or destroyed. Please consider the environment before printing
this email.</span><span style='font-size:10.0pt'><o:p></o:p></span></p>
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<hr size=2 width="100%" align=center>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> mapserver-users-bounces@lists.osgeo.org
[mailto:mapserver-users-bounces@lists.osgeo.org] <b>On Behalf Of </b>Fawcett,
David (MPCA)<br>
<b>Sent:</b> Thursday, November 04, 2010 7:32 AM<br>
<b>To:</b> David Hildebrand; mapserver-users@lists.osgeo.org<br>
<b>Subject:</b> [mapserver-users] RE: DEM display</span><o:p></o:p></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I would pre-render all of my hillshades and then add them as
simple raster layers.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>David. <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
mapserver-users-bounces@lists.osgeo.org
[mailto:mapserver-users-bounces@lists.osgeo.org] <b>On Behalf Of </b>David
Hildebrand<br>
<b>Sent:</b> Wednesday, November 03, 2010 6:25 PM<br>
<b>To:</b> mapserver-users@lists.osgeo.org<br>
<b>Subject:</b> [mapserver-users] DEM display<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>I have an SRTM file in TIF format which I want to display in a
shaded relief but I’m not sure of the approach I should take. Do I
need to define classes and symbols for the layer (that would not help for the
hillshade) or should I execute a script (PERL) on the server to create the
image I need on the fly?<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>Thanks for the tips.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'><o:p> </o:p></span></p>
<div>
<p><span style='font-size:10.0pt;color:navy'>===========================<br>
David V. Hildebrand<br>
Agriculture Financial Services Corporation<br>
(403) 782-8239 <br>
<br>
</span><span style='color:navy'><a href="about:www.afsc.ca"><span
style='font-size:10.0pt'>www.afsc.ca</span></a></span><u><span
style='font-size:10.0pt;color:navy'> <</span></u><span style='color:navy'><a
href="http://www.afsc.ca/"><span style='font-size:10.0pt'>http://www.afsc.ca</span></a></span><u><span
style='font-size:10.0pt;color:navy'>><br>
</span></u><span style='font-size:10.0pt;color:navy'>This communication is
intended for the use of the recipient to which it is addressed, and may contain
confidential, personal and/or privileged information. Please contact
Agriculture Financial Services Corporation immediately if you are not the
intended recipient of this communication, and do not copy, distribute, or take
action relying on it. Any communication received in error, or subsequent reply,
should be deleted or destroyed. Please consider the environment before printing
this email.</span><o:p></o:p></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
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