Calculates either rugosity, fractal dimension or height range based on the other two variables.
Details
This function uses the geometric plane equation from Torres-Pulliza et al. (2020) to calculate one of rugosity, fractal dimension or height range based on the other two variables.
References
Torres-Pulliza D, Dornelas M, Pizarro O, Bewley M, Blowes SA, Boutros N, Brambilla V, Chase TJ, Frank G, Friedman A, Hoogenboom MO, Williams S, Zawada KJA, Madin JS (2020) A geometric basis for surface habitat complexity and biodiversity. Nature Ecology & Evolution 4:1495-1501. doi:10.1038/s41559-020-1281-8