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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Hi Even,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">You are right, re-running the request -oo clear_cache gives me the same error about 3 bands. Obviously our server was configured right when I used it with GDAL last time. Now gdallocationinfo
does not work even for me because I wiped the working configuration from my cache. We will fix the service metadata when we go from beta to official soon.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">The nationalmap.gov service does not still work for me. I cleared the cache but I still get a 404 error from the server. Subsets in the reques are these<br>
SUBSET=x(-20037507.0672000013,-13590403.131594259)&SUBSET=y(5303978.1067894027,5304490.1067842878)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">and gdallocationinfo error is this:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Report:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"> Location: (6446955P,13504941L)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"> Band 1:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">ERROR 1: HTTP error code : 404<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">ERROR 1: Failed to get coverage data:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">ERROR 1: C:\Users\JRAHKONEN\.gdal\wcs_cache\QpYSX.xml, band 1: IReadBlock failed at X offset 6295, Y offset 26376: Failed to get coverage data:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">-Jukka-<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b>Lähettäjä:</b> Even Rouault <even.rouault@spatialys.com> <br>
<b>Lähetetty:</b> torstai 21. lokakuuta 2021 22.50<br>
<b>Vastaanottaja:</b> Rahkonen Jukka (MML) <jukka.rahkonen@maanmittauslaitos.fi>; Carl Godkin <cgodkin@gmail.com>; gdal-dev@lists.osgeo.org<br>
<b>Aihe:</b> Re: [gdal-dev] gdallocationinfo + WCS question...<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p>Jukka,<o:p></o:p></p>
<p>I don't understand how you get a non-error on the below request on your WCS service:<o:p></o:p></p>
<p><a href="https://beta-karttakuva.maanmittauslaitos.fi/wcs/service/ows?SERVICE=WCS&REQUEST=DescribeCoverage&VERSION=2.0.1&COVERAGEID=korkeusmalli__korkeusmalli&FORMAT=text/xml">https://beta-karttakuva.maanmittauslaitos.fi/wcs/service/ows?SERVICE=WCS&REQUEST=DescribeCoverage&VERSION=2.0.1&COVERAGEID=korkeusmalli__korkeusmalli&FORMAT=text/xml</a>
advertizes 3 bands<o:p></o:p></p>
<p>but the GeoTIFF returned by<o:p></o:p></p>
<p><a href="https://beta-karttakuva.maanmittauslaitos.fi/wcs/service/ows?SERVICE=WCS&REQUEST=GetCoverage&VERSION=2.0.1&COVERAGEID=korkeusmalli__korkeusmalli&SUBSET=E%28498656,500704%29&SUBSET=N%287542384,7543408%29&Format=image/tiff">https://beta-karttakuva.maanmittauslaitos.fi/wcs/service/ows?SERVICE=WCS&REQUEST=GetCoverage&VERSION=2.0.1&COVERAGEID=korkeusmalli__korkeusmalli&SUBSET=E%28498656,500704%29&SUBSET=N%287542384,7543408%29&Format=image/tiff</a><o:p></o:p></p>
<p>has just one band.<o:p></o:p></p>
<p>Or maybe you have in your ~/gdal/wcs_cache a previous version of the DescribeCoverage response that advertizes just one band ?<o:p></o:p></p>
<p><o:p> </o:p></p>
<p>And for what is worth,<o:p></o:p></p>
<p><span lang="EN-US" style="font-family:"Courier New",serif">gdallocationinfo "WCS:</span><span style="font-family:"Courier New",serif"><a href="https://elevation.nationalmap.gov:443/arcgis/services/3DEPElevation/ImageServer/WCSServer?version=2.0.1&coverage=DEP3Elevation"><span lang="EN-US">https://elevation.nationalmap.gov:443/arcgis/services/3DEPElevation/ImageServer/WCSServer?version=2.0.1&coverage=DEP3Elevation</span></a></span><span lang="EN-US" style="font-family:"Courier New",serif">"
-wgs84 -122.086 42.948 --debug ON</span><span lang="EN-US"><o:p></o:p></span></p>
<p><span style="font-family:"Courier New",serif">returns 1882.00549316406 for me</span><o:p></o:p></p>
<p>The multipart answer doesn't seem to be an issue.<o:p></o:p></p>
<p><o:p> </o:p></p>
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<p class="MsoNormal">Le 21/10/2021 à 20:16, Rahkonen Jukka (MML) a écrit :<o:p></o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Hi,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">At least it seems to work with our WCS service<br>
<br>
gdallocationinfo WCS:<a href="https://beta-karttakuva.maanmittauslaitos.fi/wcs/service/ows?version=2.0.1&coverage=korkeusmalli__korkeusmalli">https://beta-karttakuva.maanmittauslaitos.fi/wcs/service/ows?version=2.0.1&coverage=korkeusmalli__korkeusmalli</a>
-wgs84 27 68</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Report:</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"> Location: (228000P,119567L)</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"> Band 1:</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"> Value: 303.463989257812</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">-Jukka Rahkonen-</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b>Lähettäjä:</b> gdal-dev <a href="mailto:gdal-dev-bounces@lists.osgeo.org">
<gdal-dev-bounces@lists.osgeo.org></a> <b>Puolesta </b>Carl Godkin<br>
<b>Lähetetty:</b> torstai 21. lokakuuta 2021 18.47<br>
<b>Vastaanottaja:</b> <a href="mailto:gdal-dev@lists.osgeo.org">gdal-dev@lists.osgeo.org</a><br>
<b>Aihe:</b> [gdal-dev] gdallocationinfo + WCS question...<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Hi,<o:p></o:p></p>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
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<div>
<p class="MsoNormal">I am trying to use gdallocationinfo to query point locations from a WCS server and not having any luck. I don't see anything in the docs that says this is unsupported but I can't make it work.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<div>
<p class="MsoNormal">First of all, is there a better way to get an elevation from a given lat,lon using WCS?<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Here's an example query using the USGS National Map server:<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<div>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">gdallocationinfo "WCS:<a href="https://elevation.nationalmap.gov:443/arcgis/services/3DEPElevation/ImageServer/WCSServer?version=2.0.1&coverage=DEP3Elevation">https://elevation.nationalmap.gov:443/arcgis/services/3DEPElevation/ImageServer/WCSServer?version=2.0.1&coverage=DEP3Elevation</a>"
-wgs84 -122.086 42.948 --debug ON</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">This is a point in the middle of Crater Lake which I picked since it's flat and I know what to expect.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Anyway, looking at the debug output it appears that the program is querying for a GeoTIFF of a VERY large area and that's failing.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<div>
<p class="MsoNormal">I actually want to do this with my own WCS server but thought it might be mis-configured somehow so I tried the USGS server. With my own server, gdallocationinfo seems to be requesting a strange shape from the server (as I can see through
the debug output).<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<div>
<p class="MsoNormal">Thanks for any help,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
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<div>
<p class="MsoNormal">carl<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><br>
<br>
<o:p></o:p></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>gdal-dev mailing list<o:p></o:p></pre>
<pre><a href="mailto:gdal-dev@lists.osgeo.org">gdal-dev@lists.osgeo.org</a><o:p></o:p></pre>
<pre><a href="https://lists.osgeo.org/mailman/listinfo/gdal-dev">https://lists.osgeo.org/mailman/listinfo/gdal-dev</a><o:p></o:p></pre>
</blockquote>
<pre>-- <o:p></o:p></pre>
<pre><a href="http://www.spatialys.com">http://www.spatialys.com</a><o:p></o:p></pre>
<pre>My software is free, but my time generally not.<o:p></o:p></pre>
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