<div dir="ltr">Full GDAL log attached.<div>Sorry, but I do not know how to test your suggestion. GDAL logger creates some caches and I do not know which http request i should use...</div><div><br><div>Thanks, Michał</div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">pt., 30 sie 2024 o 09:23 Rahkonen Jukka <<a href="mailto:jukka.rahkonen@maanmittauslaitos.fi">jukka.rahkonen@maanmittauslaitos.fi</a>> napisał(a):<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="msg4748743972769251324">
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<p class="MsoNormal"><span>Hi,<u></u><u></u></span></p>
<p class="MsoNormal"><span><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Capture and show the http request that your code generates and sends to the WMTS server. Does it work if you send the same request with curl or with a browser? Or does the error come
before the GetTile request is generated?<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">-Jukka Rahkonen-<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
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<p class="MsoNormal"><b>Lähettäjä:</b> Michał Kowalczuk <<a href="mailto:michkowalczuk@gmail.com" target="_blank">michkowalczuk@gmail.com</a>>
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<b>Lähetetty:</b> perjantai 30. elokuuta 2024 9.59<br>
<b>Vastaanottaja:</b> Robert Coup <<a href="mailto:robert.coup@koordinates.com" target="_blank">robert.coup@koordinates.com</a>><br>
<b>Kopio:</b> <a href="mailto:gdal-dev@lists.osgeo.org" target="_blank">gdal-dev@lists.osgeo.org</a>; Rahkonen Jukka <<a href="mailto:jukka.rahkonen@maanmittauslaitos.fi" target="_blank">jukka.rahkonen@maanmittauslaitos.fi</a>><br>
<b>Aihe:</b> Re: [gdal-dev] WMTS gdal_translate vs RasterIO<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Sorry for incorrect sample commands in the last message.<u></u><u></u></p>
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<p class="MsoNormal">I fixed it. The problem stays the same, because the problem was in email not in my tested code.<u></u><u></u></p>
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<p class="MsoNormal"><b>gdal_translate -srcwin 0 0 1073741760 1553779 -outsize 691 1 "WMTS:<a href="https://basemap.nationalmap.gov/arcgis/rest/services/USGSHydroCached/MapServer/WMTS/1.0.0/WMTSCapabilities.xml,layer=USGSHydroCached,tilematrixset=default028mm" target="_blank">https://basemap.nationalmap.gov/arcgis/rest/services/USGSHydroCached/MapServer/WMTS/1.0.0/WMTSCapabilities.xml,layer=USGSHydroCached,tilematrixset=default028mm</a>"
tile.png</b><u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><b>GDALDatasetRasterIO(</b><u></u><u></u></p>
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<p class="MsoNormal"><b>handle_to_wmts_subdataset,</b><u></u><u></u></p>
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<p class="MsoNormal"><b>eRWFlag=GF_Read,</b><u></u><u></u></p>
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<p class="MsoNormal"><b>nXOff=0,</b><u></u><u></u></p>
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<p class="MsoNormal"><b>nYOff=0,</b><u></u><u></u></p>
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<p class="MsoNormal"><b>nXSize=1073741760,</b><u></u><u></u></p>
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<p class="MsoNormal"><b>nYSize=1553779,</b><u></u><u></u></p>
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<p class="MsoNormal"><b>pBuffer - buffer for data,</b><u></u><u></u></p>
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<p class="MsoNormal"><b>nBufXSize=691,</b><u></u><u></u></p>
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<p class="MsoNormal"><b>nBufYSize=1,</b><u></u><u></u></p>
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<p class="MsoNormal"><b>eBufType=GDT_Byte,</b><u></u><u></u></p>
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<p class="MsoNormal"><b>nBandCount=4,</b><u></u><u></u></p>
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<p class="MsoNormal"><b>panBandMap=[bIndex ,gIndex, rIndex, aIndex],</b><u></u><u></u></p>
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<p class="MsoNormal"><b>nPixelSpace=4,</b><u></u><u></u></p>
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<p class="MsoNormal"><b>nLineSpace=0,</b><u></u><u></u></p>
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<p class="MsoNormal"><b>nBandSpace=1)</b><u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Can anyone help me to understand why gdal_translate works and generates output file, where GDALRasterIO raises error:<u></u><u></u></p>
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<p class="MsoNormal"><b>Requested (0,0) of size 1073741760x1553779 on raster of 1073741756x1347126255?</b><u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">czw., 29 sie 2024 o 12:22 Michał Kowalczuk <<a href="mailto:michkowalczuk@gmail.com" target="_blank">michkowalczuk@gmail.com</a>> napisał(a):<u></u><u></u></p>
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<p class="MsoNormal">I see. I will double check commands, fix and return to this.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">W dniu czw., 29.08.2024 o 12:20 Robert Coup <<a href="mailto:robert.coup@koordinates.com" target="_blank">robert.coup@koordinates.com</a>> napisał(a):<u></u><u></u></p>
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<p class="MsoNormal">Hi Michał,<u></u><u></u></p>
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<p class="MsoNormal"><br>
In addition to Jukka's key point:<br>
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nBufXSize=1,<br>
nBufYSize=691,<br>
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appears to be backwards wrt:<u></u><u></u></p>
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<p class="MsoNormal"><br>
-outsize 691 1<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Rob :)<u></u><u></u></p>
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