Grasshopper

algorithmic modeling for Rhino

Following on from Monique's excellent idea, here is my submission to the Coffee + Grasshopper group to keep the ball rolling. I've left it 'til 1pm GMT as this is 9am EST.

Using a slider to represent transition morph a Helix into a Line. The Length of the Curve should (as far as possible) remain constant. For example if you plug the curve into a Length component it should remain 10 units long during the transition


Categories for submission should be:

Native - Only pure GH components (not even Fx unless using a VB function to good effect)

Plug-in - Highlighting a plug-in's ability to cut corners in GH

Script - Any of the custom Script components (GHA accepted if source code is supplied)

The overall "winner" will get the chance to set tomorrow's ghoffee question (unless Monique has a different opinion)

EDIT: Although tomorrow is Saturday so maybe Monday's

Good luck to all

EDIT: I should also add that anything from mathematically sound to geometric smoke and mirrors is welcome.

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Here's a really simple scripting way to achieve this. 

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The important thing is for the Curve to never change length, not just displacement in X axis.

For example if you plug the curve into a Length component it should remain 10 units long during the transition

I see... I read it too quickly...

Kind of a cheat on the length part, but fully GH native.

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I did say smoke and mirrors. :))

I have to admit, this one is driving me crazy, and I know its much simpler than I am making it out to be.

The precision really bugged me out.

Tried to sample the helix with a series first... never use a series for non-integer division. The samples just won't add up.

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Very elegant indeed.

As a first adjudication I'm going to be political and call it a draw with Brian's smoke and mirrors sneaking ahead as his was completely native. If Brian can think of a question for Monday and Hannes for Tuesday then it would allow the winner of Monday's to have a day to concoct something for Wednesday.

I have to cut a hedge down now so I'll try and post my solution for tomorrow (which was actually done by the same method as Brian's. Great minds think alike... or is it fools seldom differ :))

a bit late to the party, but here's my 2p (aiming for minimum number of gh components with no scripting or expressions) :

here's the file

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wow that definitely earns you a gholf code merit badge! :) shame about the deadline. 

fantastic, stuff like this is the exact use of this c+gh brain teasers.

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