class_docstr: Class for Cube Camera models, which is essentially six pinhole cameras.
docstr: Computes the projection matrices for the six faces of the cube using a Pinhole camera model.
  
  Returns:
      List[torch.Tensor]: List of 6 projection matrices, one for each face.
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code: def compute_projection_matrix(self) -> List[torch.Tensor]:
      """
      Computes the projection matrices for the six faces of the cube using a Pinhole camera model.
  
      Returns:
          List[torch.Tensor]: List of 6 projection matrices, one for each face.
      """
      # Similar to Pinhole but repeated six times for six faces of the cube
      return [
          PinholeCamera(
              width=self.width,
              height=self.height,
              near=self.near,
              far=self.far,
              device=self.device,
          ).compute_projection_matrix(1, 1)
          for _ in range(6)
      ]
  
imports: from abc import ABC, abstractmethod
  from typing import List
  import numpy
  import torch
label_desc: Use image node_id 3 for calling the CubeCamera obj's underlying member method code with example usage: obj.compute_projection_matrix() and returns: unknown