Is there a formula? Or must i approximate it by dividing the curve into line segments and summing them up?
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length of a 2D quadratic bezier curve?
Started by VladimirM, Aug 22 2012 02:05 PM
3 replies to this topic
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#2 Crossbones+ - Reputation: 3501
Posted 22 August 2012 - 02:59 PM
You could analytically divide the curve into n segments and take the limit of the sum as n goes to infinity, this should give you the formula. Or use the integral form which would give the same result (by definition). Did you try this (google cache since the site seems to be down/dead)?
#3 Members - Reputation: 130
Posted 22 August 2012 - 03:53 PM
Wow, i tried it and it works, thanks, but i have a question,
what is the D in the b = 2P1 - 2DP0? And why is there no line above P0? I need to understand this so that i could simplify this equation, because i have a very simple case of a bezier curve.
what is the D in the b = 2P1 - 2DP0? And why is there no line above P0? I need to understand this so that i could simplify this equation, because i have a very simple case of a bezier curve.
