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[Geoserver-devel] [jira] (GEOS-5741) Chaining BarnesSurface and RasterAsPointCollection rendering transformations
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From: Jorge S. (JIRA) <ji...@co...> - 2013-03-29 20:14:01
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<a class="user-hover" rel="xurxosanz" id="email_xurxosanz" href="https://jira.codehaus.org/secure/ViewProfile.jspa?name=xurxosanz" style="color:#005500;">Jorge Sanz</a>
created <img src="https://jira.codehaus.org/images/icons/issuetypes/bug.png" height="16" width="16" border="0" align="absmiddle" alt="Bug"> <a style='color:#005500;text-decoration:none;' href='https://jira.codehaus.org/browse/GEOS-5741'>GEOS-5741</a>
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<a style='color:#005500;text-decoration:none;' href='https://jira.codehaus.org/browse/GEOS-5741'><strong>Chaining BarnesSurface and RasterAsPointCollection rendering transformations</strong></a>
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<strong style="font-weight:normal;color:#505050;">Issue Type:</strong>
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<img src="https://jira.codehaus.org/images/icons/issuetypes/bug.png" height="16" width="16" border="0" align="absmiddle" alt="Bug"> Bug
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<strong style="font-weight:normal;color:#505050;">Affects Versions:</strong>
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2.3.0 </td>
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<strong style="font-weight:normal;color:#505050;">Assignee:</strong>
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<a class="user-hover" rel="aaime" id="email_aaime" href="https://jira.codehaus.org/secure/ViewProfile.jspa?name=aaime" style="color:#005500;">Andrea Aime</a>
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<strong style="font-weight:normal;color:#505050;">Attachments:</strong>
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barnesAndPoints.png, barnesAndSampledPoints.png, barnes.sld, sampledRastervalor.sld, samplePoints.tar.gz </td>
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<strong style="font-weight:normal;color:#505050;">Components:</strong>
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WPS </td>
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<strong style="font-weight:normal;color:#505050;">Created:</strong>
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29/Mar/13 3:13 PM
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<strong style="font-weight:normal;color:#505050;">Description:</strong>
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<p style='margin-top:0;margin-bottom:10px;'>This is a bug reported at <a href="http://sourceforge.net/mailarchive/forum.php?thread_name=CAGw%3Dncso2QPC8TVYhwC3MRkXRwJRVWHi-MS9%2BBDsz3ULk61YZA%40mail.gmail.com&forum_name=geoserver-users" class="external-link">geoserver mailing list</a>.</p>
<blockquote><p style='margin-top:0;margin-bottom:10px;'>Well my question is about the RasterAsPointCollection rendering<br/>
transformation. I've tried without success to chain it with the<br/>
BarnesSurface to first interpolate a point layer into a raster and<br/>
then obtain sampled values of into a grid. A testing SLD is at <span class="error">[1]</span>. I<br/>
get the points but I don't know how to get the sampled value into a<br/>
label. From Geosolutions blog post about rendering tranformations<span class="error">[2]</span> I<br/>
guess the "virtual" field is "Band1" but it doesn't work.</p>
<p style='margin-top:0;margin-bottom:10px;'>The BarnesSurface works because I can get rasters or countours<br/>
chaining it with the proper transform, so I guess the problem is at<br/>
the RasterAsPointCollection part.</p>
<p style='margin-top:0;margin-bottom:10px;'>Any advice?</p>
<p style='margin-top:0;margin-bottom:10px;'><span class="error">[1]</span> <a href="http://pastebin.com/hWjPyR8a" class="external-link">http://pastebin.com/hWjPyR8a</a><br/>
<span class="error">[2]</span> <a href="http://geo-solutions.blogspot.com.es/2011/01/developers-corner-have-your-sld.html" class="external-link">http://geo-solutions.blogspot.com.es/2011/01/developers-corner-have-your-sld.html</a></p></blockquote>
<p style='margin-top:0;margin-bottom:10px;'>I attach the following:</p>
<ul class="alternate" type="square">
<li>A shapefile with some points and a <b>value</b> attribute</li>
<li>An SLD with the <tt>BarnesSurface</tt> rendering tranformation</li>
<li>An SLD chaining <tt>BarnesSurface</tt> with the same parameters with a <tt>RasterAsPointCollection</tt> in order to get a fixed grid of 20 by 20 points.</li>
<li>A render of the first SLD with the original points</li>
<li>A render of the first and second SLD without being able to access the value.</li>
</ul>
<p style='margin-top:0;margin-bottom:10px;'>My point is how to get the sampled value of the BarnesSurface in order to apply it to the symbol rules, for example on a graduated style.</p>
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<strong style="font-weight:normal;color:#505050;">Environment:</strong>
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Tested in Ubuntu 12.04 and 12.10 with 1.6 JVM and on 2.2.3 and 2.3 versions of Geoserver
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<strong style="font-weight:normal;color:#505050;">Project:</strong>
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<a style="color:#005500;" href="https://jira.codehaus.org/browse/GEOS">GeoServer</a>
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<strong style="font-weight:normal;color:#505050;">Labels:</strong>
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render-transformations
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<strong style="font-weight:normal;color:#505050;">Priority:</strong>
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<img src="https://jira.codehaus.org/images/icons/priorities/major.png" height="16" width="16" border="0" align="absmiddle" alt="Major"> Major
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<strong style="font-weight:normal;color:#505050;">Reporter:</strong>
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<a class="user-hover" rel="xurxosanz" id="email_xurxosanz" href="https://jira.codehaus.org/secure/ViewProfile.jspa?name=xurxosanz" style="color:#005500;">Jorge Sanz</a>
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