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Update exporter.py #52

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16 changes: 5 additions & 11 deletions mcubes/exporter.py
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Original file line number Diff line number Diff line change
@@ -1,27 +1,21 @@

import numpy as np


def export_obj(vertices: np.ndarray, triangles: np.ndarray, filename: str, flip_normals: bool = False):
"""
Export a 3D mesh to a Wavefront (.obj) file.

If `flip_normals` is True, reverses the order of the vertices in each face
to flip the normals. Default is False.
"""

with open(filename, 'w') as fh:

for v in vertices:
fh.write("v {} {} {}\n".format(*v))

# Write vertices
np.savetxt(fh, vertices, fmt='v %.6f %.6f %.6f')
# Prepare faces (OBJ is 1-based indexing)
if not flip_normals:
for f in triangles:
fh.write("f {} {} {}\n".format(*(f + 1)))
np.savetxt(fh, triangles + 1, fmt='f %d %d %d')
else:
for f in triangles:
fh.write("f {} {} {}\n".format(*(f[::-1] + 1)))

np.savetxt(fh, triangles[:, ::-1] + 1, fmt='f %d %d %d')

def export_off(vertices: np.ndarray, triangles: np.ndarray, filename: str):
"""
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