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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">I do not understand what could be wrong with this WCS. With direct WCS 2.0.1 requests everything works fine.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">GetCapabilities:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><a href="https://beta-karttakuva.maanmittauslaitos.fi/wcs/service/ows?service=WCS&AcceptVersions=2.0.1&request=GetCapabilities">https://beta-karttakuva.maanmittauslaitos.fi/wcs/service/ows?service=WCS&AcceptVersions=2.0.1&request=GetCapabilities</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">DescribeCoverage:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><a href="https://beta-karttakuva.maanmittauslaitos.fi/wcs/service/ows?service=WCS&version=2.0.1&request=DescribeCoverage&coverageID=ortokuva__ortokuva">https://beta-karttakuva.maanmittauslaitos.fi/wcs/service/ows?service=WCS&version=2.0.1&request=DescribeCoverage&coverageID=ortokuva__ortokuva</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">This is listing DataRecord with three fields: red band, green band, and blue band.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">GetCoverage:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><a href="https://beta-karttakuva.maanmittauslaitos.fi/wcs/service/ows?service=WCS&version=2.0.1&request=GetCoverage&CoverageID=ortokuva__ortokuva&SUBSET=E(393450,393650)&SUBSET=N(7495450,7495650)&format=image/tiff">https://beta-karttakuva.maanmittauslaitos.fi/wcs/service/ows?service=WCS&version=2.0.1&request=GetCoverage&CoverageID=ortokuva__ortokuva&SUBSET=E(393450,393650)&SUBSET=N(7495450,7495650)&format=image/tiff</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">This sends a tiff file.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">With GDAL:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">gdalinfo -oo CLEAR_CACHE "WCS:https://beta-karttakuva.maanmittauslaitos.fi/wcs/service/ows?"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I get the subdatasets.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="SV">gdalinfo "WCS:https://beta-karttakuva.maanmittauslaitos.fi/wcs/service/ows?version=2.0.1&coverage=ortokuva__ortokuva"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Looks good but I am not sure what I should expect to see.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">gdal_translate -projwin 393450 7495650 393650 7495450 "WCS:https://beta-karttakuva.maanmittauslaitos.fi/wcs/service/ows?version=2.0.1&coverage=ortokuva__ortokuva" wcs.tif<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">This gives an error:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Input file size is 1348357, 2316500<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">ERROR 1: wcs.tif: Unable to export GeoTIFF files with zero bands.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I can indeed see at the end of the automatically generated XML file that the band count is interpreted to be zero:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">…<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><Domain>E,N</Domain><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <Low>61254.6580619824,6623749.72946716</Low><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <High>735433.573091962,7782000.0</High><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <GridAxes>i,j</GridAxes><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <NoDataValue>,,</NoDataValue><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <BandCount>0</BandCount><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <Format>image/tiff</Format><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">…<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I tried to edit the band count into 3 by hand, but GDAL is changing it back to zero.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The example from the WCS driver page <a href="https://gdal.org/drivers/raster/wcs.html">
https://gdal.org/drivers/raster/wcs.html</a> that is using the very same server and coverage does save an image even there is no fundamental difference in the command.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">gdal_translate -oo CACHE=wcs_cache -oo CLEAR_CACHE -oo INTERLEAVE=PIXEL -projwin 377418 6683393.87938218 377717.879386966 6683094 -oo Subset="time(1985-01-01T00:00:00.000Z)" -outsize 60 0 "WCS:https://beta-karttakuva.maanmittauslaitos.fi/wcs/service/ows?version=2.0.1&coverage=ortokuva__ortokuva"
scaled.tiff<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I am using GDAL version is 3.4.0dev from yesterday.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">-Jukka Rahkonen-<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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