Pascal WISSENBERG p.wissenberg at orange.fr
Sat Dec 13 01:51:31 PST 2025

j'utilise QGis 3.34.5 et depuis quelques jours, lorsque je veux exporter un fichier LIDARHD de l'IGN vers un raster (en utilisant la triangulation) pour obtenir un fichier MNT, j'ai un retour: /Warning 1: Can't open E:/ Mes Documents/QGIS/ Dalles MNT\0887-6754m\0_0.tif. Skipping it/ par exemple.

Hi Pascal,
actually you are using QGIS 3.44.5, according to the provided log.

Unfortunately, it looks like there is an issue when using the PDAL "Export to raster (using triangulation)" processing algorithm running the QGIS 3.44.5 and QGIS LTR 3.40.13 on Windows in order to convert a COPC file to a GeoTIFF file.

You should be able to perform the conversion on Windows 10 running a previous QGIS version, like QGIS LTR 3.40.7 [1].

Best regards.

Andrea Giudiceandrea


[1] https://qgis.org/downloads/QGIS-OSGeo4W-3.40.7-1.msi

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