Avoid stepping on solar panels, unless you really need to. These can cost you quite a bit of money, so they need to be kept in great condition. The most fragile part is typically the end of each panel, so avoid that area.
I will show you how to make a Sun filter. Very cheap to make it.
Experiment with various angles and placements, monitoring the power stored on a daily basis and making changes as necessary. Any angle might be acceptable, but there are times when a small tweak in the position can have a noticeable impact. Try different options and stick with the spot that works best.