Derick Souza

Hey guys... I've just checked the hillshade function [return](https://github.com/makepath/xarray-spatial/blob/bcfc8718b0fa1ea6b3d0b35449afe61c92c57f1f/xrspatial/hillshade.py#L134), and it's supposedly a 2D DataArray. I'm not quite sure, but to have a 3D image we'd need to use a...

> @dericksm datashder to my knowledge doesn't handle 3D arrays for shading unless they are categorical arrays generated by datashader's `count_cat` aggregate function. Right now `hillshade` expects 2D arrays and...