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nerfstudio/mattport/nerf/field_modules/base.py
T

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Python

"""
The field module baseclass.
"""
from abc import abstractmethod
from torch import nn
from torchtyping import TensorType
class FieldModule(nn.Module):
"""Field modules that can be combined to store and compute the fields."""
def __init__(self) -> None:
"""Default initialization of module"""
super().__init__()
self.in_dim = 0
self.out_dim = 0
def build_nn_modules(self) -> None:
"""Function instantiates any torch.nn members within the module.
If none exist, do nothing."""
def set_in_dim(self, in_dim: int) -> None:
"""Sets input dimension of encoding
Args:
in_dim (int): input dimension
"""
if in_dim <= 0:
raise ValueError("Input dimension should be greater than zero")
self.in_dim = in_dim
def get_out_dim(self) -> int:
"""Calculates output dimension of encoding.
Returns:
int: output dimension
"""
if not hasattr(self, "out_dim"):
raise ValueError("Output dimension has not been set")
if self.out_dim <= 0:
raise ValueError("Output dimension should be greater than zero")
return self.out_dim
@abstractmethod
def forward(self, in_tensor: TensorType[..., "input_dim"]) -> TensorType[..., "output_dim"]:
"""_summary_
Args:
x (TensorType[..., "input_dim"]): Input tensor to be encoded
Raises:
NotImplementedError: _description_
Returns:
TensorType[..., "output_dim"]: A encoded input tensor
"""
raise NotImplementedError