Averaging positions, velocities, forces, etc., for atoms in crystallographic layers

A self-explanatory Perl script with sample data files to work with. Useful for data analysis of lammps' dump files. Has been used in: Zbigniew Kozioł, Stretched-exponential stress dynamics in chain of springs and masses model of crystals: analytical results and MD simulations, (2025)一款具有自解释功能的 Perl 脚本，附带示例数据文件，便于处理。适用于对 lammps 输出文件的数据分析。曾被应用于以下文献中： Zbigniew Kozioł, 拉伸指数应力动力学在晶体弹簧和质点模型中的研究：解析结果与分子动力学模拟，(2025)。