本程式以readfile方式，對圖檔進行修改格式，將rgb格式修改為565資料格式，可用於VGA顯示圖檔前的圖檔修改-The program to readfile way to modify the format of the drawing will be revised to 565 rgb format, data format, VGA display can be used to modify the drawing before drawing

本程式使用READFILE方式，實現自動讀圖檔，並進行圖形縮小功能，大家可以用這個程式繼續開發學習-The program uses READFILE way, drawing automatic reading, and reduce the function of the graphics, we can use this program to continue to develop the learning

IDL中各种格式文件的读写，包括文本，图像（pdf）,ji各中遥感影像的读写-IDL in a variety of formats to read and write files, including text, image (pdf) ji in remote sensing image read and write

该程序用于matlab读取ENVI标准格式文件，直接运行READFILE，选择需要打开的图像文件即可-The program for the matlab read ENVI standard format files directly run READFILE, select the desired image file can be opened