Grasshopper

algorithmic modeling for Rhino

how to convert a point from polar to xy coordinates in C#

hi everybody

assuming we have a polar coordinates (r0,phi), how to convert this point to xy coordinate?

forget about math , i just need to know what function in rhino or grashopper SDK does that?  and whats the namespace of the function?

 

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Replies to This Discussion

Permalink Reply by David Rutten on November 8, 2011 at 2:35am

There is no function for this. Unless you're willing to use a bunch of rotation and scaling transformations.

 

The math really is quite simple:

 

x = r0 * Math.Cos(phi)

y = r0 * Math.Sin(phi)

 

--

David Rutten

david@mcneel.com

Poprad, Slovakia

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