Created
January 5, 2014 01:28
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Convert a .vtk UnstructuredGrid file to .stl file.
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#!/usr/bin/env python | |
"""Convert UnstructuredGrid in .vtk files to STL files.""" | |
import sys | |
import vtk | |
if len(sys.argv) < 2 or sys.argv[1] == '-h' or sys.argv[1] == '--help': | |
print('Usage: vtk-unstructuredgrid-to-stl.py <input.vtk> <output.stl>') | |
sys.exit(1) | |
reader = vtk.vtkUnstructuredGridReader() | |
reader.SetFileName(sys.argv[1]) | |
surface_filter = vtk.vtkDataSetSurfaceFilter() | |
surface_filter.SetInputConnection(reader.GetOutputPort()) | |
triangle_filter = vtk.vtkTriangleFilter() | |
triangle_filter.SetInputConnection(surface_filter.GetOutputPort()) | |
writer = vtk.vtkSTLWriter() | |
writer.SetFileName(sys.argv[2]) | |
writer.SetInputConnection(triangle_filter.GetOutputPort()) | |
writer.Write() |
I am using the command to convert vtk to stl, but I am getting the error:
STL can only write triangle cells. No triangle cells found.
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Nowadays it is
meshio convert in.vtk out.stl