From the course: Grasshopper: Tips, Tricks, and Techniques

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Leveraging NURBS: Curves as math functions

Leveraging NURBS: Curves as math functions

From the course: Grasshopper: Tips, Tricks, and Techniques

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Leveraging NURBS: Curves as math functions

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- [Instructor] I have my exercise file open already. In this video, I want to show an interesting technique in which we're going to use NURBS geometry as a surrogate for math functions. And this is really what NURBS is all about. It's a flexible function that can conform to the geometry of all different types of math functions. So first, I'm going to add a point to my model. I'm going to set one point here. I'm going to plug this in, and this should look familiar to most Grasshopper users. This is an attractor. I have a grid of points, and I'm sampling the distance between the grid of points and the point that I'm moving around. So this is one of the first things that people usually build in Grasshopper, and one of the things that is typical to add is a falloff function that controls how quickly the diameter of the circles, or whatever property you're adjusting, falls off as a function of the distance. So we'll go to Params, Input, Graph Mapper. This is typically how this process…

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