Hi Bhargab, Your solution worked. Many thanks. Vahid
> On Nov 9, 2023, at 8:13 AM, Bhargab Kakati <bhrgabkak...@iasst.res.in> wrote: > > CAUTION: The Sender of this email is not from within Dalhousie. > > On 2023-11-09 17:30, Vahid Askarpour wrote: >> Dear Wannier90 community, >> >> I am using Wannier90/3.1.0 to plot a slice of my data. The postw90.x >> creates the necessary python code but I get the following error when >> running this python script: >> >> File >> "/gpfs/scratch/vaskarpo/Mn3Ge_hex/kslice/wannier90-kslice-curv_x+fermi_lines.py", >> line 64, in <module> >> valint = ml.griddata(points_x,points_y, val_log, xint,yint) >> AttributeError: module 'matplotlib.mlab' has no attribute ‘griddata' >> >> Does any one know how to remedy this? I tried replacing the ml.griddata >> with scipy.interpolate.griddata but then I get the following error: >> >> File >> "/gpfs/scratch/vaskarpo/Mn3Ge_hex/kslice/wannier90-kslice-curv_x+fermi_lines.py", >> line 64, in <module> >> valint = interpolate.griddata(points_x,points_y, val_log, grid_x, >> grid_y) >> File >> "/cvmfs/soft.computecanada.ca/easybuild/software/2020/avx512/Core/scipy-stack/2023b/lib/python3.10/site-packages/scipy/interpolate/_ndgriddata.py", >> line 253, in griddata >> if ndim == 1 and method in ('nearest', 'linear', 'cubic'): >> ValueError: The truth value of an array with more than one element is >> ambiguous. Use a.any() or a.all() >> >> I am attaching the python script. >> >> Any suggestion is appreciated. >> >> Thanks, >> Vahid >> >> >> _______________________________________________ >> Wannier mailing list >> Wannier@lists.quantum-espresso.org >> https://lists.quantum-espresso.org/mailman/listinfo/wannier > > Hello, > > I encountered a similar issue a while back and was able to tackle it by > commenting out the line "valint = ml.griddata(points_x,points_y, > val_log, xint,yint)" and replacing it with "valint = > interpolate.griddata((points_x,points_y), val_log, (grid_x, grid_y), > method='nearest') # or 'cubic' or 'nearest', as requiredS". Hope it > helps. > > Regards, > > Bhargab Kakati, > Research Scholar, > Computational Materials Science lab, > Institute of Advanced Study in Science and Technology, > Guwahati-781035, Assam, India _______________________________________________ Wannier mailing list Wannier@lists.quantum-espresso.org https://lists.quantum-espresso.org/mailman/listinfo/wannier