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丫头 2017-09-26 09:22

Input port 0 of algorithm has 0 connections是什么错误?

最近在运行程序的时候出现了Input port 0 of algorithm vtkImageMapToWindowLevelColors(07DD6908) has 0 connections but is not optional.
这是什么错误呢?我已经用vtkImageMapToWindowLevelColors这个类设置了窗宽窗位了


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