wow! that's amazing, and so helpful!
On Nov 6, 5:30 am, Tobias <[EMAIL PROTECTED]> wrote: > Hi, > I would like to add to this conversation by letting you know that I > translated one of my previous rhinoscript/processing circle packing > exercises to Grasshopper using the vb.net component. It is iteratively > adding random points within a boundary and creating tangent circles to > either previously generated circles or to the boundary - whichever is > closer. Have a look > athttp://tobesch.wordpress.com/2008/11/06/circle-packing-with-grasshopper/. > Please let me know your thoughts. Thank you. > > Tobias > > On Oct 24, 4:15 pm, sabrina <[EMAIL PROTECTED]> wrote: > > > Thanks! I haven’t gotten a chance yet to really look at the link but > > it seems very interesting. And there also is a close-packingplug-in > > into Rhino that has 4 different algorithms that I’m going to start > > using ( I just found it > > yesterday:http://en.wiki.mcneel.com/default.aspx/McNeel/2dcirclepacking). > > I think that it makes more sense at this point for me to study and > > utilize these existing sources rather than spend my semester > > generating my own. Thanks again, > > sabrina > > > On Oct 23, 1:45 pm, David Rutten <[EMAIL PROTECTED]> wrote: > > > > Circlepackingis almost always an iterative problem. Unless if you > > > want to get a crystallinepacking, in which case the position of each > > > circle is governed by an equation. > > > > Paul Bourke has an interesting application on his site regarding > > > circle > > > collisions:http://local.wasp.uwa.edu.au/~pbourke/miscellaneous/fluid/index.html > > > > (It's got source code as well, but only in Windows C, so it's pretty > > > hard to read.) > > > >Packingis almost never a straightforward succession of commands, so > > > it will be difficult to accomplish in Grasshopper. If I had to do this > > > today, I'd use either RhinoScript or the Rhino SDK to make a tool for > > > this. > > > > -- > > > David Rutten > > > Robert McNeel & Associates > > > > On Oct 23, 8:02 pm, sabrina <[EMAIL PROTECTED]> wrote: > > > > > i'm a student and just started working in rhino and grasshopper this > > > > semester to explore circlepackingas well. (so there is a lot out > > > > there i don't know). but I did something similar where I offset the > > > > circles I wanted to pack and then set the points of intersection of > > > > the offset circles as the centerpoints for the next circle I wanted to > > > > pack whose radii is equal to the offset amount. (I think it would be > > > > much easier with a tangent-tangent-radius circle in grasshopper...but > > > > this still wouldn't solve the problem of more than 2 tangencies. The > > > > solution i've come up with is on a very small scale, and when i > > > > increase the number of circles whose radii vary, then i'm struggling > > > > maintaning points of tangency beyond 4 circles (they start to overlap > > > > at somepoints...and i don't know how to prevent this). And then i > > > > wanted to explore this pheonomenon 3 dimensionally as well. Is there > > > > any suggestions on spherepacking...I don't know how to generate the > > > > 3d close-packinglattices (hexagonal and cubic)...much less looking at > > > > randomized closepackingof spheres with changing radii (what i've > > > > been working on with circles). thanks! > > > > sabrina > > > > On Oct 20, 3:21 am, David Rutten <[EMAIL PROTECTED]> wrote: > > > > > > Hi Leaf, > > > > > > then yes, you need to measure the radius (or the circumference, > > > > > whatever fits best into your maths) of the large circle, then use that > > > > > value to control the number and radii of the small circles. I'm not > > > > > quite sure which equation is simplest, but it sounds like you already > > > > > have one. > > > > > > -- > > > > > David Rutten > > > > > Robert McNeel & Associates > > > > > > On Oct 17, 10:12 pm, tealeaf <[EMAIL PROTECTED]> wrote: > > > > > > > I use a big circle and make smaller circle inside using the bigger > > > > > > circle's tangent points by dividing the circle curve. > > > > > > > On Oct 16, 4:06 am, David Rutten <[EMAIL PROTECTED]> wrote: > > > > > > > > How do you pack them? > > > > > > > > -- > > > > > > > David Rutten > > > > > > > Robert McNeel & Associates > > > > > > > > On Oct 15, 9:29 pm, tube <[EMAIL PROTECTED]> wrote: > > > > > > > > > what is a good way to make packed circles adjust proportionaly > > > > > > > > when > > > > > > > > the either the packed cirlces or outer cirlce have thier radii > > > > > > > > changed. > > > > > > > > > -Thanks- Hide quoted text - > > > > > > - Show quoted text -
