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fix empty grid edge case #85

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merged 3 commits into from
Jan 12, 2022
Merged

fix empty grid edge case #85

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f089bf6
fix empty grid edge case
akaszynski Dec 2, 2021
20816a6
fix mac build
akaszynski Dec 2, 2021
7a9c8be
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akaszynski Jan 12, 2022
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6 changes: 4 additions & 2 deletions ansys/mapdl/reader/mesh.py
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Original file line number Diff line number Diff line change
Expand Up @@ -184,11 +184,13 @@ def _parse_vtk(self, allowable_types=None, force_linear=False,
grid = grid.extract_cells(grid.celltypes != 0)

if force_linear:
grid = grid.linear_copy()
# only run if the grid has points or cells
if grid.n_points:
grid = grid.linear_copy()

# map over element types
# Add tracker for original node numbering
ind = np.arange(grid.number_of_points)
ind = np.arange(grid.n_points)
grid.point_data['origid'] = ind
grid.point_data['VTKorigID'] = ind
return grid
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3 changes: 2 additions & 1 deletion setup.py
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Expand Up @@ -60,8 +60,9 @@ def build_extensions(self):
e.extra_compile_args.append('-stdlib=libc++')

if platform.system() == 'Darwin':
# get the minor version
mac_version, _, _ = platform.mac_ver()
major, minor, patch = [int(n) for n in mac_version.split('.')]
minor = mac_version.split('.')[1]
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# libstdc++ is deprecated in recent versions of XCode
if minor >= 9:
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