pytorch3d/tests/test_mesh_rendering_utils.py
Jeremy Reizenstein 9eeb456e82 Update license for company name
Summary: Update all FB license strings to the new format.

Reviewed By: patricklabatut

Differential Revision: D33403538

fbshipit-source-id: 97a4596c5c888f3c54f44456dc07e718a387a02c
2022-01-04 11:43:38 -08:00

28 lines
938 B
Python

# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree.
import unittest
import torch
from pytorch3d.renderer.mesh.utils import _clip_barycentric_coordinates
class TestMeshRenderingUtils(unittest.TestCase):
def test_bary_clip(self):
N = 10
bary = torch.randn(size=(N, 3))
# randomly make some values negative
bary[bary < 0.3] *= -1.0
# randomly make some values be greater than 1
bary[bary > 0.8] *= 2.0
negative_mask = bary < 0.0
positive_mask = bary > 1.0
clipped = _clip_barycentric_coordinates(bary)
self.assertTrue(clipped[negative_mask].sum() == 0)
self.assertTrue(clipped[positive_mask].gt(1.0).sum() == 0)
self.assertTrue(torch.allclose(clipped.sum(dim=-1), torch.ones(N)))