The following file has a face_node_connectivity with a start_index of 1: https://github.com/SciTools/iris-test-data/blob/master/test_data/NetCDF/unstructured_grid/mesh_C12.nc
When regridding onto the nodes of this mesh, for example via src.regrid(mesh, ESMFBilinear(tgt_location="node")), we get the following error:
ValueError: row index exceeds matrix dimensions
This does not happen when the mesh connectivity is edited to have a start_index of 1.
stephenworsley
commented
1 year ago
🐛 Bug Report
The following file has a
face_node_connectivitywith astart_indexof 1: https://github.com/SciTools/iris-test-data/blob/master/test_data/NetCDF/unstructured_grid/mesh_C12.nc When regridding onto the nodes of this mesh, for example viasrc.regrid(mesh, ESMFBilinear(tgt_location="node")), we get the following error:ValueError: row index exceeds matrix dimensionsThis does not happen when the mesh connectivity is edited to have astart_indexof 1.