code: def get_3d_input2(self):
      return tf.concat(
          [self.get_3d_input1(), 100 + self.get_3d_input1()], 4
      )
  
file_path: NiftyNet/tests/spatial_transformer_test.py
imports: from __future__ import absolute_import, print_function
  import tensorflow
  from niftynet.layer.resampler import ResamplerLayer
  from niftynet.layer.spatial_transformer import ResampledFieldGridWarperLayer
  from tests.niftynet_testcase import NiftyNetTestCase
label_desc: Use image node_id 2 for calling the ResamplerTest obj's underlying member method code with example usage: obj.get_3d_input2() and returns: tf