Plotting on a mesh

triplot_sample.py

import matplotlib.pyplot as plt
import matplotlib.tri as mpltri
import meshio  # von https://github.com/nschloe/meshio

mesh = meshio.read('any_known_mesh_format.msh')
tria = mpltri.Triangulation(mesh.points[:,0], mesh.points[:,1], mesh.cells['triangle'])

for k in range(nplots):
  plt.figure()
  plt.tricontourf(tria, plot_data[k])
  plt.colorbar()
  plt.savefig('fig_{:03}.pdf'.format(k))

# wenn was interpoliert werden soll
datafun = mpltri.LinearTriInterpolator(tria, data_on_points)
wert = datafun(x, y)