Latest Update 3/29/2016:
最新更新3/29/2016:
If you copy paste the below code you should get a pyqt app with a button. If you click it you get a grayscale added to the ViewBox. If you rewrite where If
阅读背景：
如何向pyqtgraph视图框中添加RGB ImageItem ?ValueError:无法将输入数组从形状(256,256,4)广播到形状(256,256)
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