modified visionnet code

location_cnn_post.py

from ray.rllib.models.misc import get_activation_fn, flatten, AddCoords 
...
def _build_layers(self, inputs, num_outputs, options):

    if options.get('custom_options', {}).get('add_coordinates'):
        with_r = False
        if options.get('custom_options', {}).get('add_coords_with_r'):
            with_r = True
        addcoords = AddCoords(x_dim=int(np.shape(inputs)[1]), y_dim=int(np.shape(inputs)[1]),with_r=with_r)
        inputs = addcoords(inputs)
        print("visionnet: Added coordinate filters tensor size is now {}".format(np.shape(inputs)))