R tutorial: How to create a resistance surface, compute effective distances, and create connectivity maps?

R tutorial associated to the paper: An overview of computational tools for preparing, constructing and using resistance surfaces in connectivity research.Unzip the archive, and follow the instruction in the file "script_how_to_create_resistance_surfaces.r"

本教程为论文《连通性研究中抗性表面（resistance surfaces）的制备、构建与应用计算工具综述》的配套R语言教程。请先解压该压缩包，随后遵照文件"script_how_to_create_resistance_surfaces.r"中的操作指引执行即可。