code: def get_albedo_value(self, points, view_dirs):
      output = self.implicit_network(points)
      feature_vectors = output[:, 1:]
      albedo = self.albedo_network(points, feature_vectors)
  
      return albedo
  
imports: import torch
  import torch.nn
  import numpy
  import trimesh
  import os
  from utils import rend_util
  from model.embedder import *
  from model.ray_tracing import RayTracing
  from model.sample_network import SampleNetwork
label_desc: Use image node_id 5 for calling the IFNetwork obj's underlying member method code with example usage: obj.get_albedo_value(points, view_dirs) and returns: albedo