Nabigation Bar

Double Elbow

クランクエルボの図
Control point C is the middle point of P2 and P3. Point M is the middle point of P1 and P2.
Since Start point P1, end point P2, and coordinates X of control C are free points,
formulas are not necessary.



Coordinate Y of point C is apparently the value that is subtracted
length of NC from coordinate Y of point M, as above figure shows.

MNの式
For coordinates of points P2 and P3, please click here.


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