使用MATLAB，ReliefF算法应用于特征提取，适用于shp属性数据。-Using MATLAB, the ReliefF algorithm is applied to feature extraction and is suitable for SHP attribute data.

matlab读取shp文件，显示并裁剪栅格数据(you can use the matlab code to read .shp file, and then show or clip raster file in the matlab environment.)