generative modeling for Rhino
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min tian
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create curves from curvature
Started May 25, 2010
finite element method trial 001
1 Reply
Started this discussion. Last reply by min tian May 23, 2010.
consistent area but deformed shape
9 Replies
Started this discussion. Last reply by McKean Dave Oct 8, 2009.
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min tian commented on Scott Davidson's photo
Wind Comb
"hey, interesting definition. i was wondering whether the radius shrinkage function '(x-18)*(cos(y*π/z)+1)/2+18' is related to any wind/aerodynamic calculation?"
min tian posted a discussioncreate curves from curvature
Hi all, would it be possible to turn curvature back into a curve?Eg: i have an original curve which i divided and analysed its curvature at the division points. Then i rounded up those figures to limit the variation in the curvature. (eg. if x<100, then a=50. If x>100 and x<200, then a=150, etc) (i've got up to this point)Last of all, i need to turn these new curvature into a curve. =.=! (how would i do this?)your help would be much much appreciated!!Thank you,MinSee More
min tian replied to min tian's discussion finite element method trial 001"T^T by the way, does any one know why prunning is not working....=.=....."
min tian replied to Arthur Mani's discussion Advanced GH Manual ?"thumbs up. how do we make a request? i think an updated GH primer is a must."
min tian posted a discussionfinite element method trial 001
Hey guys, i've been trying to attempt my own 'finite element analysis' by getting the curvature of curves, and rounding the radius of the resultant circles up to certain values (eg, x<50, a=50, 50<x<100, a=70, etc). I've got up to this part. However, i am unable to put back the new 'standardised' circles back into the curve to limit the curvatures in the curve. (what i'm trying to do have been done more than 10 years ago by FOA in the yokohama project where they limited their curvature…See More
min tian commented on Karl Kjelstrup-Johnson's photo
NAVIGATING INDETERMINANCY
"i agree with Tudor. The idea is definately interesting. is the data from an external source such as excel which you plug into grasshopper?"
McKean Dave replied to min tian's discussion consistent area but deformed shape"Yes, that is exactly what I am trying to do. Except with surface area instead of volume. Thanks for the link."
Theunis du Toit replied to min tian's discussion consistent area but deformed shape"Oh, you posted the same thing while I was writing."
Theunis du Toit replied to min tian's discussion consistent area but deformed shape"I think what your asking for requires Grasshopper to have an auto bake function. Which it doesn't. But check out these discussion…"
Vicente Soler replied to min tian's discussion consistent area but deformed shape"Sort of like the video i posted in this thread
http://www.grasshopper3d.com/forum/topics/breach-the-bake-gap
(see second page) but with surfaces instead of volumes?"
McKean Dave replied to min tian's discussion consistent area but deformed shape"I'm not sure what I'm asking can be done.
The surfaces would be planar. Imagine defining any planar surface from a curve. I want to be able to manipulate the original curve using the control points and have the geometry of the curve react…"
Vicente Soler replied to min tian's discussion consistent area but deformed shape"Can you be a bit more specific? How does what you are trying to achieve it differ from my example?
If the surfaces are not planar and you are trying to maintain a fixed surface area, it's much more difficult."
McKean Dave replied to min tian's discussion consistent area but deformed shape"Thanks Vicente! But what I am really trying to do is to create a series of curves or surfaces that can change in shape, but share the same area."
Vicente Soler replied to min tian's discussion consistent area but deformed shape"What do you mean by morphing a rectangle to a sphere keeping it's volume?
I can think of these options:
1. - A rectangular surface to a sphere (keeping constant surface area)
2. - A box to a sphere (keeping constant volume)
3. - A rectangle to…"
McKean Dave replied to min tian's discussion consistent area but deformed shape"min tian,
i've been trying to do the same thing. did you ever figure it out?"
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