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<p>Jukka,</p>
<p>I don't understand how you get a non-error on the below request
on your WCS service:</p>
<p><a class="moz-txt-link-freetext" 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</p>
<p>but the GeoTIFF returned by</p>
<p><a class="moz-txt-link-freetext" 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></p>
<p>has just one band.</p>
<p>Or maybe you have in your ~/gdal/wcs_cache a previous version of
the DescribeCoverage response that advertizes just one band ?</p>
<p><br>
</p>
<p>And for what is worth,</p>
<p><span style="font-family:"Courier New"">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></p>
<p><span style="font-family:"Courier New"">returns
1882.00549316406 for me<br>
</span></p>
<p>The multipart answer doesn't seem to be an issue.</p>
<p><br>
</p>
<div class="moz-cite-prefix">Le 21/10/2021 à 20:16, Rahkonen Jukka
(MML) a écrit :<br>
</div>
<blockquote type="cite"
cite="mid:9b40f8241a0c4e6380b2d6f99a6d3a30@maanmittauslaitos.fi">
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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Hi,<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 style="mso-fareast-language:EN-US"
lang="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"
moz-do-not-send="true">https://beta-karttakuva.maanmittauslaitos.fi/wcs/service/ows?version=2.0.1&coverage=korkeusmalli__korkeusmalli</a>
-wgs84 27 68<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"
lang="EN-US">Report:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"
lang="EN-US"> Location: (228000P,119567L)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"
lang="EN-US"> Band 1:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"
lang="EN-US"> Value: 303.463989257812<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"
lang="EN-US">-Jukka Rahkonen-<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"
lang="EN-US"><o:p> </o:p></span></p>
<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b>Lähettäjä:</b> gdal-dev
<a class="moz-txt-link-rfc2396E" 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 class="moz-txt-link-abbreviated" 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>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal">Hi,<o:p></o:p></p>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<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>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<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>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Here's an example query using the USGS
National Map server:<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal"><span style="font-family:"Courier
New"">gdallocationinfo "WCS:<a
href="https://elevation.nationalmap.gov:443/arcgis/services/3DEPElevation/ImageServer/WCSServer?version=2.0.1&coverage=DEP3Elevation"
moz-do-not-send="true">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>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<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>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<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>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<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>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Thanks for any help,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">carl<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
</div>
</div>
<br>
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