提问：请问osgWidget中的getVisbleArea是什么意思啊

Mooneast

获取什么可见区域呢？？

liuzhiyu123

注释已经说了

1.         // The "visible" area that will define both the glScissor bounds AND will
   
2.         // be used to make sure our pick is valid. The values herein correspond to
   
3.         // X, Y, W, and H--in that order.

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