pytorch3d/tests/pulsar/test_ortho.py
Jeremy Reizenstein 9eeb456e82 Update license for company name
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Reviewed By: patricklabatut

Differential Revision: D33403538

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

132 lines
3.9 KiB
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.
"""Tests for the orthogonal projection."""
import logging
import sys
import unittest
from os import path
import numpy as np
import torch
# Making sure you can run this, even if pulsar hasn't been installed yet.
sys.path.insert(0, path.join(path.dirname(__file__), ".."))
devices = [torch.device("cuda"), torch.device("cpu")]
class TestOrtho(unittest.TestCase):
"""Test the orthogonal projection."""
def test_basic(self):
"""Basic forward test of the orthogonal projection."""
from pytorch3d.renderer.points.pulsar import Renderer
n_points = 10
width = 1000
height = 1000
renderer_left = Renderer(
width,
height,
n_points,
right_handed_system=False,
orthogonal_projection=True,
)
renderer_right = Renderer(
width,
height,
n_points,
right_handed_system=True,
orthogonal_projection=True,
)
# Generate sample data.
torch.manual_seed(1)
vert_pos = torch.rand(n_points, 3, dtype=torch.float32) * 10.0
vert_pos[:, 2] += 25.0
vert_pos[:, :2] -= 5.0
vert_pos_neg = vert_pos.clone()
vert_pos_neg[:, 2] *= -1.0
vert_col = torch.rand(n_points, 3, dtype=torch.float32)
vert_rad = torch.rand(n_points, dtype=torch.float32)
cam_params = torch.tensor(
[0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 20.0], dtype=torch.float32
)
for device in devices:
vert_pos = vert_pos.to(device)
vert_pos_neg = vert_pos_neg.to(device)
vert_col = vert_col.to(device)
vert_rad = vert_rad.to(device)
cam_params = cam_params.to(device)
renderer_left = renderer_left.to(device)
renderer_right = renderer_right.to(device)
result_left = (
renderer_left.forward(
vert_pos,
vert_col,
vert_rad,
cam_params,
1.0e-1,
45.0,
percent_allowed_difference=0.01,
)
.cpu()
.detach()
.numpy()
)
hits_left = (
renderer_left.forward(
vert_pos,
vert_col,
vert_rad,
cam_params,
1.0e-1,
45.0,
percent_allowed_difference=0.01,
mode=1,
)
.cpu()
.detach()
.numpy()
)
result_right = (
renderer_right.forward(
vert_pos_neg,
vert_col,
vert_rad,
cam_params,
1.0e-1,
45.0,
percent_allowed_difference=0.01,
)
.cpu()
.detach()
.numpy()
)
hits_right = (
renderer_right.forward(
vert_pos_neg,
vert_col,
vert_rad,
cam_params,
1.0e-1,
45.0,
percent_allowed_difference=0.01,
mode=1,
)
.cpu()
.detach()
.numpy()
)
self.assertTrue(np.allclose(result_left, result_right))
self.assertTrue(np.allclose(hits_left, hits_right))
if __name__ == "__main__":
logging.basicConfig(level=logging.INFO)
logging.getLogger("pulsar.renderer").setLevel(logging.WARN)
unittest.main()