# Punti in quadrature su curve

**URL:** <https://it.discourse.mcneel.com/t/punti-in-quadrature-su-curve/4355>\
**Category:** Grasshopper\
**Created:** [6 Gennaio 2022, 3:22pm UTC](https://it.discourse.mcneel.com/t/punti-in-quadrature-su-curve/4355 "2022-01-06T15:22:37Z")\
**Posts on this page:** 1\
**Showing post:** 6

<div class="post-metadata">

**Author:** ![RiccardoMajewski](https://sea3.discourse-cdn.com/mcneel/user_avatar/it.discourse.mcneel.com/riccardomajewski/32/22945_2.png) [@RiccardoMajewski](https://it.discourse.mcneel.com/u/RiccardoMajewski)\
**Post date:** [6 Gennaio 2022, 9:48pm UTC](https://it.discourse.mcneel.com/t/punti-in-quadrature-su-curve/4355/6 "2022-01-06T21:48:50Z")

</div>

Se nelle librerie di rhino non ci fosse il metodo, io sarei ricorso ad una costruzione fisica della derivata, intersezione con un piano, e quindi ottenuto i punti che mi servono:

[tangent derivative.gh](https://it.discourse.mcneel.com/uploads/short-url/2r4Xb9C1z0kKMupwWlZv607Mo2t.gh) (9,8 KB)

 ![2022-01-06 22_46_18-Window](https://global.discourse-cdn.com/mcneel/uploads/mcneel_it/original/2X/a/a2a78e31be91c3e8bf788a7f106bf668e3dc4b4c.png)

Vedi anche qua:

> **[Unknown Tangent, Unknown Point](https://www.grasshopper3d.com/forum/topics/unknown-tangent-unknown-point)**
>
> Hi,
> 
> So this may be really obvious but I can't work it out for the life of me.
> 
> I have a curve and a point, both known, I want to be able to draw a line from t…

> **[Derivative graph on a rolled up toroidal space.](https://www.grasshopper3d.com/forum/topics/derivative-graph-on-a-rolled-up-toroidal-space)**
>
> Hi everybody!
> I'm here opening this discussion to explain to who are interested, how I managed my last gh user object :P
> Probably there are better method…

---

_[View the full topic](https://it.discourse.mcneel.com/t/punti-in-quadrature-su-curve/4355)._