Fully support Python version 3.8 again

examples/01_random_field/05_mesh_ensemble.py

@@ -13,21 +13,19 @@
 
 - `points="points"` will generate a field on the mesh points
 - `points="centroids"` will generate a field on the cell centroids
-
-In this example, we will generate a simple mesh with the aid of
-`meshzoo <https://github.com/nschloe/meshzoo>`_.
 """
 
 import matplotlib.pyplot as plt
 import matplotlib.tri as tri
 import meshio
-import meshzoo
 import numpy as np
 
 import gstools as gs
 
-# generate a triangulated hexagon with meshzoo
-points, cells = meshzoo.ngon(6, 4)
+# read a triangulated hexagon with meshio
+mesh_input = meshio.read("hexagon.mesh")
+points = mesh_input.points
+cells = mesh_input.cells[0].data
 mesh = meshio.Mesh(points, {"triangle": cells})
 
 ###############################################################################

examples/01_random_field/hexagon.mesh

@@ -0,0 +1,167 @@
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+
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+End

pyproject.toml

@@ -58,7 +58,6 @@ dependencies = [
 doc = [
     "myst_parser",
     "matplotlib>=3.7",
-    "meshzoo>=0.7",
     "numpydoc>=1.1",
     "pykrige>=1.5,<2",
     "pyvista>=0.40",
@@ -71,7 +70,7 @@ plotting = [
     "matplotlib>=3.7",
     "pyvista>=0.40",
 ]
-rust = ["gstools_core>=1.0.0"]
+rust = ["gstools_core>=1.1.0"]
 test = ["pytest-cov>=3"]
 lint = [
     "black>=24",