Grasshopper

algorithmic modeling for Rhino

Triggering solution refresh from a custom component?

I'm trying to write a set of custom components, in C#, that will allow someone to control grasshopper through a MIDI controler. For example I have a Korg Nano Kontrol:

 

I was able to get a prototype of controlling Grasshopper with MIDI working earlier, but honestly what I had setup was kind of a hack. So now I'm trying to create a set of true custom Midi Controller components that would be easy for someone to reuse.


However, I'm stuck trying to figure out how I can trigger the solution to recalculate. I'm able to get values to change when I rotate a knob, but the changes aren't apparent in Grasshopper or the model until I manually click the rebuild button.

 

GH_Document.NewSolution() or GH_Document.ScheduleSolution() appear to be what I need to call, but I'm also not sure how I can even get a reference to the current GH_Document?

 

 

 

 

 

 

 

Views: 8662

Replies to This Discussion

Permalink Reply by Eric Anastas on July 6, 2017 at 1:48pm

Mark,

Here's my code.

https://bitbucket.org/ericanastas/grasshopper-midi


It's been almost 7 years since I've looked at this, so I doubt I can be much more help. I never did get anywhere with the continuous update problem.

- Eric Anastas

Permalink Reply by Dawn Groves on August 26, 2011 at 2:16pm

I am also trying to find out how to do this? If you have figured it out please let me know as I have an event coming up soon that I need it for.

 

Thanks!

 

Dawn

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