code: def generate_coords(self):
      # Ensure that this represents the positive orthant of the sphere.
      logits = []
      for _ in range(self.dims):
          logits.append(tf.range(-7.0, 7.0, self.delta))
      return tf.reshape(
          tf.stack(tf.meshgrid(*logits), axis=-1), [-1, self.dims]
      )
  
imports: from absl.testing import parameterized
  import numpy
  import scipy.special
  import tensorflow.compat.v2
  from tensorflow_probability.python.bijectors import exp
  from tensorflow_probability.python.bijectors import identity
  from tensorflow_probability.python.bijectors import scale
  from tensorflow_probability.python.bijectors import scale_matvec_tril
  from tensorflow_probability.python.experimental.tangent_spaces import simplex
  from tensorflow_probability.python.experimental.tangent_spaces import spaces_test_util
  from tensorflow_probability.python.internal import test_util
label_desc: Use image node_id 1 for calling the _SimplexTest obj's underlying member method code with example usage: obj.generate_coords() and returns: tf