Thanks Richard, that looks interesting. I can now get regular grid / square mesh to display correctly but I'm working with tri-mesh and anything I try to load using that ends up like this..Just a line of squares. There's something obvious I'm missing in the format here.
On Fri, Aug 26, 2022 at 4:56 PM Richard Duivenvoorde <[email protected]> wrote: > > Hi Matt, > > I'm not a Mesh expert either, but I use (and create) netcdf using python > using the > https://github.com/Unidata/netcdf4-python module > > Netcdf is pretty good supported in QGIS in my experience > > Our data has also a time dimension so we use the CF convention [0] and > fiddling around with the so called UGRID convention [1] But maybe that is > both too much for a simple tin... > > I Googled: > https://stackoverflow.com/questions/48864357/convert-hdf5-to-netcdf4-in-bash-r-python-or-ncl > as being able to convert hdf5 to netcdf... didn't/couldn't try/test though.. > > Regards, > > Richard Duivenvoorde > > [0] https://en.wikipedia.org/wiki/Climate_and_Forecast_Metadata_Conventions > [1] http://ugrid-conventions.github.io/ugrid-conventions/#data-variables > > On 8/26/22 03:32, Matt Boyd via Qgis-user wrote: > > Thanks, thats pretty helpful. > > I'm running QGIS 3.26.2-Buenos Aires installed from osgeo. > > under the xdmf directory there the xmf/hdf files look pretty similar > > to what I'm using but they won't load. there's a partial duplicate of > > the data in the hdf file in that directory as a 2dm file which does > > work. > > I'm still not sure if I'm supposed to be able to load the xmf/hdf > > files directly using mdal? I can easily drop out my hdf5 data to the > > 2dm format is this the proposed way to do it? > > > > Thanks again > > Matt > > > > On Fri, Aug 26, 2022 at 4:09 AM Delaz J via Qgis-user > > <[email protected]> wrote: > >> > >> Hi Matt, > >> > >> The mdal repo has a number of mesh data > >> (https://github.com/lutraconsulting/MDAL/tree/master/tests/data) but > >> whether these are simple meshes/formats or not is beyond my > >> understanding of this data type. > >> > >> Hope that helps, > >> > >> Harrissou > >> > >> Le 25/08/2022 à 09:41, Matt Boyd via Qgis-user a écrit : > >> > >>> Hi QGIS people, > >>> I asked something like this a couple of years ago, managed to find > >>> some workarounds and now that I know a little more about what I'm > >>> doing I could use a bit of help. > >>> I've got some simple tin meshes that I'd like to drop into QGIS, they > >>> get generated in a python modelling software I'm using. > >>> The data all sits in a single hdf5 file, points with coordinates, the > >>> cells which are just the indexes of 3 points, plus attributes for each > >>> point. About the simplest mesh setup I can imagine. > >>> I'm trying to find the simplest format that mdal supports with an > >>> example dataset so I can make something similar. (ideally hdf5 so I > >>> don't need to work out how to use anything new in python). > >>> > >>> Any tips? > >>> Thanks > >>> Matt > >>> _______________________________________________ > >>> 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 > >> _______________________________________________ > >> 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 > > _______________________________________________ > > 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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