作者l60km (/hr)
看板MATLAB
标题[讨论] 如何从plot上面用滑鼠撷取某范围资料
时间Tue Aug 22 14:57:08 2017
各位大大好，目前写了一个资料处理的GUI，想要从画出来的plot(x,y)上面，让user用滑
鼠拖曳撷取某一区间，例如x(15:70)，然後获得区间内的平均值mean(y(15:70))，
任何关键字都好，谢谢!
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1F：推 YoursEver: rect = getrect( fig ); <== Can it work? 08/22 15:25
2F：推 profyang: ginput 08/22 15:37
3F：→ YoursEver: ginput collects only points, but getrect can specif 08/22 15:50
4F：→ YoursEver: specify a rectangle region. 08/22 15:50
5F：→ YoursEver: Oops, I see. "ginput" also works in this case. 08/22 16:03
6F：→ YoursEver: google: subsetting a graphics image (cropping), Mat 08/22 16:04
7F：→ YoursEver: Matlab. 08/22 16:04
8F：→ l60km: 感谢两位，both works，ginput用点选的、getrect用拖曳的。 08/22 16:17