Grace day used: 4
Box center: (0.25 , 0.25 , 0.00)
Box side lengths: (2.01, 1.50, 1.50)
I refer to the NeRF paper, apply an 8-layer with 256 channels for each layer to predict $\sigma$, then concat with the encoded direction to generate colors of each node.
Final loss
Epoch: 0250, Loss: 0.001089: : 100it [00:14, 7.14it/s]