code: def forward(self, x, coords):  #  [16, 1, 512, 512, 12], [16, 48, 4]
      batchsize = paddle.shape(x)[0]
      rows, cols, layers = paddle.shape(x)[2:5]
      return self.get_coord_features(
          coords, batchsize, rows, cols, layers
      )
  
imports: import paddle
  import paddle.nn
  import numpy
  import paddle.nn.functional
label_desc: Use image node_id 3 for calling the DistMaps3D obj's underlying member method code with example usage: obj.forward(x, coords) and returns: self