QMap - 通道交换

 通道交换主要应用在遥感相片处理中。由于各通道中可存放不同波段的图像，因此，通道变换可以得到不同的呈现效果。

现按软件功能界面介绍如下：

1. 交换方式
    有三种交换方式，即 “红-绿”通道交换，“红-蓝”通道交换，“蓝-绿”通道交换。

2. 试验与处理
    点击“试验”按钮，快速查看图像结果。点击“处理”按钮，完成处理操作。  


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