Another day, another basemap

Another day, another experiment with a lidar basemap. The image below shows 2 meter contours, trails that I added last winter (based primarily on GPS tracks from a few trail runs) and the lutning image created in OL Laser.The image is shaded based on the slope. The darker the area, the steeper the slope. I think that the slope is based on comparison of surrounding points. I don't know the