arcgis 颜色渐变功能，该功能可以设置从一中颜色渐变到另一种颜色。-arcgis color gradient feature, which can set the color gradient from one to another in a different color.

地理信息系统中实现地图的一些简单功能。例如拖动地图等-Geographic Information System map to achieve some simple functions

这个程序可以对融合影像进行定量评价。可以得到影像的影像均值,偏差指数,信息熵,平均梯度,相关系数,光谱扭曲程度是。-This program can be fused image quantitative uation. Video images can be mean deviation index, entropy, average gradient, correlation coefficient, spectral distortion degree yes.