Grasshopper

generative modeling for Rhino

Alex Hogrefe
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  • Bowling Green, OH
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can i find the second closest point?
2 Replies

Started this discussion. Last reply by Alex Hogrefe Feb 26, 2010.

Problem switching from slider to random number generator
8 Replies

Started this discussion. Last reply by Alex Hogrefe Jul 24, 2009.

 

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Alex Hogrefe replied to Alex Hogrefe's discussion can i find the second closest point?
"will this work if I am trying to find the nearest point for all the points in the group, not just one (I misspoke earlier). Perhaps I am going about this all wrong. I have a set of lines different distances apart in the z direction. I want to copy…"
Feb 26, 2010
David Rutten replied to Alex Hogrefe's discussion can i find the second closest point?
"Sort by distance, then get the second item from the list. You may even consider culling all distance=zero results, in case you have more than 2 coincidents points. You could also use the Proximity3D component and use a very small minimum distance…"
Feb 26, 2010
Alex Hogrefe posted a discussion

can i find the second closest point?

Within a group of points, I want to select one of these points and find the nearest point to this point. I can't get the 'closest point' command to work  since I am using a point from the group of points as the point to search from. It always comes up with a distance of 0. Is there a way to find the second closest point which would solve this problem? Let me know if this is not clearSee More
Feb 26, 2010
Alex Hogrefe updated their profile
Dec 16, 2009
Alex Hogrefe replied to Alex Hogrefe's discussion Problem switching from slider to random number generator
"Thank you for all your help. That worked perfect. I will be creating a few new boxes in the next couple of days based on forms generated by the definition. I will try to post them in a few days. Thank you again!"
Jul 24, 2009
Lars Renklint replied to Alex Hogrefe's discussion Problem switching from slider to random number generator
"Thanks, that made it easier. Saw the boxes you've made on your blog, and they are awesome. The curve component creates one curve when you use the sliders to move the points around. But when you use the random component you add a path, and the…"
Jul 24, 2009
Alex Hogrefe replied to Alex Hogrefe's discussion Problem switching from slider to random number generator
"Here is the rhino file and definition."
Jul 24, 2009
Lars Renklint replied to Alex Hogrefe's discussion Problem switching from slider to random number generator
"Beats me. Any chance you could post the definition?"
Jul 24, 2009
Alex Hogrefe replied to Alex Hogrefe's discussion Problem switching from slider to random number generator
"correct. The line is still there, and the point moves when hooked up to the random generator. But the line does not move with the point."
Jul 24, 2009
Lars Renklint replied to Alex Hogrefe's discussion Problem switching from slider to random number generator
"But even if the point that is randomly moved by the random component gets messed up, the curve should still be fine, if it is provided with other valid points. If you just preview the Merge, do you get at least two points?"
Jul 23, 2009
Alex Hogrefe replied to Alex Hogrefe's discussion Problem switching from slider to random number generator
"Thank you for the quick reply. I did a quick photoshop of the definition to show how i set it up. I highlighted in green where i attached the random generator, then connected it to the move. In orange, I connected sliders, and those work. anything…"
Jul 23, 2009
Lars Renklint replied to Alex Hogrefe's discussion Problem switching from slider to random number generator
"Seems something's getting wrong with the points generated from the random generator. Made a try and it works just the way you describe it. What are the random generator attached to?"
Jul 23, 2009
Alex Hogrefe posted a discussion

Problem switching from slider to random number generator

Hi everyone,I have a definition that creates a closed curve made up of points that I moved in the x and y direction with sliders. I want to attach a random number generator in place of the slider so the movement of the points is random. However when I attach the random generator, and error occurs with my curve element stating " insufficient vertices for a curve". Anyone know what the problem is? I tried using any number from a list of numbers, but only numbers from a slider work in moving the…See More
Jul 23, 2009
Alex Hogrefe is now a member of Grasshopper
May 25, 2009

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