algorithmic modeling for Rhino
Here's a component that finds the integral lines of 2d or 3d vector fields...
The way it works is very simple: you give it a list of sample points and associated vectors (1 vector for each sample point) and a start point, and it flows that start point along the vector field up to a specified iteration limit and step size. The advantage to having a generalized component like this is that along with things like principal curvature lines, it can also compute paths guided by isovists and visibility algorithms, principal stresses, etc. As long as the vector field is properly defined, it will do something...
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Not sure I follow...do you mean outputting the current direction of travel of the moving point?
No. In the image above the vectors are the current in a river. The Blue line shows the path of the object when released in the stream at that point. The path is a result of the vector field only, like releasing a rubber duck. No imagine that the object released was a power boat with a constant vector of its own, or as described the direction changed as it went along from some predefined way points.
I was just curious really.
I think with the updated version you could do this....just add the vector you want to act on the moving point to every sample vector. In the dynamic simulation, you could change this at different time steps....haven't tried it yet, though.
Awesome!
We could try connecting it with stock exchange information and gain some well-deserved money* :)
- Giulio
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giulio@mcneel.com
McNeel Europe
* [insert some guarantee-avoiding wording here]
K. Here's an updated version:
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Grasshopper
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