说明：  该程序为数字图像处理中几何变换程序，附有GUI操作界面，可任意调节相关参数。功能包括：平移、画布扩展、水平、垂直景象，顺逆时针旋转任意角度以及插值运算。功能丰富，操作简便。
(The program for digital image processing geometric transformation program, with GUI interface, the parameters can be adjusted. Features include: translation, canvas extended, horizontal, vertical picture, counter-clockwise rotation to any angle, and interpolation. Feature-rich, easy to operate.)