这是mpeg的标准，英文版本，是PDF格式，阅读比较方便，一共4章，这是第四章。-This is the standard English versions, is in PDF format, read more convenient, a total of four sub. This is the fourth chapter.

判断图像中的某一个点是不是在制定的区域内，该区域是不规则的四边形。-Determine a particular image is not in the development of the region, the region is an irregular quadrilateral.

将TM UTM投影转换为MODIS ISIN投影-Transfer TM UTM projection to MODIS ISIN projection

本实验在matlab2011b中编写，主程序为main.m，子程序包括dijkstra.m、input_dat.m、isIn.m。运行时直接运行main.m即可， Command Window中就会弹出输入提示。-In this experiment, matlab2011b written, the main program is main.m, subroutines including dijkstra.m, input_dat.