Hi, Which QGIS version? It seems 3.10. Can you try with 3.16?
Regards. Vincent Le mar. 9 févr. 2021 à 22:55, Eric Compas <[email protected]> a écrit : > All, > > I'm experimenting with the mesh viewing and analysis tools > in QGIS (3.12.3) using both the Crayfish and QGribDownloader plugins. All's > going very well, and for the most part, the tools are relatively easy to > use. > > While I've gotten several "Mesh calculator" expressions to work correctly > with a GRIB file (downloaded using the QGribDownloader plugin), I'm running > into an error with any expression using precipitation group, e.g.: > > ("Temperature [C]" > 10) and ("03 hr Total precipitation [kg/(m^2)]" < 2) > > > This expression yields an error "Mesh calculator: Invalid or incompatible > datasets used." I've tried several permutations and start/end ranges. All > without luck. > > Investigating further, it seems like the number of time "slices" in the > precipitation group isn't the same as in the temperature group and may not > be handled correctly in QGIS (??). In the temperature group layer > properties, the time slider and metadata times are always the same > (synchronized). For the precipitation group, the time slider and metadata > in the layer properties aren't in sync: > > [image: 2021-02-06_10-34-02b.gif] > I suspect that the precipitation group has fewer time "slices" that may > not be handled correctly and hence the error in the "Mesh Calculator" tool. > > Is this a user error or some issue with how the mesh tools handle groups > with differing number of time "slices?" > > I'd appreciate any help. > > Thanks, > > Eric > > _______________________________________________ > Qgis-user mailing list > [email protected] > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user >
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