转换器类节点
就像其名字所体现的那样,此类节点将颜色或其他各种数据属性按照一定方式进行转换(比如透明度)。
They also split out or re-combine the different color channels that make up an image,allowing you to work on each channel independently.Various color channel arrangements are supported, including traditional RGB, HSVand HDMI formats.