One of the more popular analyses I’m asked to perform for my clients is a viewshed analysis. Beyond simply identifying what areas of a town are visible from roads or other public viewpoints, I’m often asked to help identify, and sometimes rank, areas that are most worthy of protection. One way to help a town identify and evaluate these high priority vistas, is to identify prominent ridgelines and the areas around them that are susceptible to inappropriate development. One way to mitigate the impact of development on highly visible ridgelines is to make sure new buildings do not break the…