How can I determine the lowest point on the curve?

Rhino Rhino for Windows
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How can I determine the lowest point on the curve?

Zrzut ekranu 2021-12-05 122236
Zrzut ekranu 2021-12-05 122236985Ă—227 23.5 KB

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you can snap to Quad
_Point
_QuadrantSnap

Quadrant-Snap depends on the current c-plane - so if you need some special orientation, change the c-plane first.

kind regards -tom

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Dear @mdesign - if above post solves your problem, please mark as solution ( a checkbox below the post ) - so other s see that no more action is needed here - thanks

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Thanks a lot for your help. I always wondered what “quad” snap means :slight_smile:

Cheers!!!

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Me too!

But why the obscure name, I wonder? Even the documentation mentions “construction plane extremes” so why isn’t it named “Extreme” or just “Ext”? I would have understood that immediately then…

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I think it is used mostly in circles and elipses.—- Mark