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nerfstudio/tests/field_components/test_fields.py
Brent Yi d542646c72
Switch to ruff (#1939)
* `isort` -> `ruff`

* `pylint` -> `ruff`

* Remove line

* More minor cleanup

* Better documentation for rules we are enabling

* Fix gitignore, run black

* vscode settings

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Co-authored-by: Matt Tancik <mattt4001@gmail.com>
2023-05-17 10:08:14 -07:00

41 lines
1.3 KiB
Python

"""
Test the fields
"""
import torch
from nerfstudio.cameras.rays import Frustums, RaySamples
from nerfstudio.fields.instant_ngp_field import TCNNInstantNGPField
def test_tcnn_instant_ngp_field():
"""Test the tiny-cuda-nn field"""
try:
import tinycudann as tcnn # noqa: F401
except ImportError as e:
# tinycudann module doesn't exist
print(e)
return
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
aabb_scale = 1.0
aabb = torch.tensor(
[[-aabb_scale, -aabb_scale, -aabb_scale], [aabb_scale, aabb_scale, aabb_scale]], dtype=torch.float32
).to(device)
field = TCNNInstantNGPField(aabb)
num_rays = 1024
num_samples = 256
positions = torch.rand((num_rays, num_samples, 3), dtype=torch.float32, device=device)
directions = torch.rand_like(positions)
frustums = Frustums(
origins=positions,
directions=directions,
starts=torch.zeros((*directions.shape[:-1], 1), device=device),
ends=torch.zeros((*directions.shape[:-1], 1), device=device),
pixel_area=torch.ones((*directions.shape[:-1], 1), device=device),
)
ray_samples = RaySamples(frustums=frustums)
field.forward(ray_samples)
if __name__ == "__main__":
test_tcnn_instant_ngp_field()