code: def get_identity_view_projection_matrix():
      return tf.expand_dims(tf.eye(4), axis=0)
  
file_path: graphics/tensorflow_graphics/rendering/tests/rasterization_test_utils.py
imports: import os
  import random
  import numpy
  import tensorflow
  from tensorflow_graphics.geometry.transformation import look_at
  from tensorflow_graphics.rendering.camera import perspective
  from tensorflow_graphics.util import shape
label_desc: Use image node_id 3 for calling a global function with example usage: get_identity_view_projection_matrix() and returns: tf