Grasshopper

algorithmic modeling for Rhino

Testing one of the coordinate conversion algorithms in Grasshopper 2.0 Since this mapping involves RhinoCommon transforms I can't test it within VS, so instead it needs to be invoked from within Rhino.

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Comment by Christian Schmidts on March 15, 2017 at 11:42am

great to hear about the bitmap and floatmap types/effects!

Comment by David Rutten on March 15, 2017 at 7:28am

Hi Giovanni, elliptic coordinates are relatively simple, provided you have access to CosH and SinH functions.

Comment by Giovanni Veronesi on March 15, 2017 at 6:30am

Hi David check out this project in Melbourne fabricated last year, the ceiling pattern looks a lot like your beautiful image above. Although, that one was drawn in Rhino "by hand", wouldn't know where to start if I had to script that :)  Collective consciousness!

http://www.uapcompany.com/factory/eastland/

Cheers

Comment by David Rutten on March 14, 2017 at 5:06pm

@Christian, yes, and yes. This is GH1 I'm testing in so I have to make a high res mesh, but GH2 will have a whole range of bitmap and floatmap types/effects.

Comment by Christian Schmidts on March 14, 2017 at 2:04pm

How did you do the map? Is it a high resolution mesh or will there be pixels in GH2?

Comment by Panda on March 13, 2017 at 11:05pm

It is awesome!

Comment by David Rutten on March 13, 2017 at 5:08pm

Unfortunately there's no easy way to go from Cartesian to Elliptic. Trying to write an iterative solver for this, but there's still areas that don't work well. This is a map of the numeric accuracy of the result. Blue=good, red=bad. Clearly I'm overcompensating the mu factor along the central vertical axis...

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