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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 lang="EN-US" style="mso-fareast-language:EN-US">The trial with gdalinfo makes GDAL to try XYZ
<a href="https://gdal.org/drivers/raster/xyz.html?highlight=xyz">https://gdal.org/drivers/raster/xyz.html?highlight=xyz</a>. It is not a bad guess at all. Ogrinfo tries CSV and finds the x, y, and val fields. I can’t say anything about the second part.<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 Rahkonen-<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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<p class="MsoNormal"><b>Lähettäjä:</b> gdal-dev <gdal-dev-bounces@lists.osgeo.org>
<b>Puolesta </b>Simon Eves<br>
<b>Lähetetty:</b> tiistai 9. marraskuuta 2021 2.21<br>
<b>Vastaanottaja:</b> gdal dev <gdal-dev@lists.osgeo.org><br>
<b>Aihe:</b> [gdal-dev] Strange behavior opening CSVs<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I am currently implementing a better file identifier, and during the course of development, I unintentionally let GDAL try to GDALOpenEx() the attached trivial CSV file.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">First, it reported "Ungridded dataset: At line 3, change of Y direction" (as a warning to the registered error-handler) and the returned OGRDataSource* was null.<o:p></o:p></p>
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<p class="MsoNormal">When I tried again, it then claimed that I was trying to open the same file recursively. implying that it had, in fact, opened it, even though it never returned a valid handle, so I wouldn't have been able to close it again even if I'd
wanted to.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I can reproduce the first part with gdalinfo.<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 with GDAL 3.2.2 on Ubuntu 20.04 with GCC 9.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I'll poke at the GDAL code myself when I have a bit more time.<br clear="all">
<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">-- <o:p></o:p></p>
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<p class="MsoNormal"><a href="http://www.omnisci.com/" target="_blank"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;text-decoration:none"><img border="0" width="125" height="76" style="width:1.3055in;height:.7916in" id="_x0000_i1025" src="http://www2.omnisci.com/l/298412/2018-09-18/3sqpg/298412/61753/OmniSci_Email_Header2.png"></span></a><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#0E4C90">Simon Eves</span></b><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#000001">Senior Graphics Engineer, Rendering Group<br>
100 Montgomery St (5th Floor), San Francisco, CA 94104, USA</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#000001">Email: <a href="mailto:simon.eves@omnisci.com" target="_blank">simon.eves@omnisci.com</a> | Cell: </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#000001">+1 (415) 902-1996</span><o:p></o:p></p>
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