A*算法（DTM格式数据） GIS环境下用到的最短路径算法模块，支持带权图和二值图，改进过，收敛速度不错 （实验室做的算法，请勿用于商业用途）-A* algorithm (DTM format data) GIS environment, shortest path algorithm used in modules to support a weighted graph and a binary image, improving over, a good convergence rat

数字图象处理,显示图象性质并且将索引图形转化为二值话图象,-Digital image processing, the nature of a display image and index graphics can be converted to binary image,

程序的二元一次方程拟合是针对遥感数据逐像元拟合的。最终会输出各自变量系数以及常数项(以图像形式输出)(The binary first-order equation fitting of the program is pixel-by-pixel fitting for remote sensing data. Ultimately, the coefficients of each variable and the constant terms (output in image form) a