batch

i am new to grasshopper and studying alone, i created a volume of closed curves from their controlpoints of many polylines(voronoi 3d structure) in space.and the polylines share the same edges. now i have a problem to isolate every single curve with its polyline and then creat a line between the midpoint on every edge of polyline and its closest point on the curve.if not isolate every single curve and its polyline, grasshopper would find the closest point on curves for one polyline. anyone could tell me how to resolve pls?

many thanks in advance,

yewei

Replies to This Discussion

Permalink Reply by yewei on October 22, 2009 at 3:13pm

hi jon,

exact! it's an empty file, but grasshopping showed its archiving messages...(no idea what they are). do you have any suggestion where could i read about tree and branches for detailed information?
one big greeting !! many thanks!

wei

best regards,

wei

Permalink Reply by Benjamin Golder on October 25, 2009 at 9:23am

Here you go. The trick was to organize the mid points into the same structure as the segments, so that they would be grouped according the curves that they were extracted from. I did this by finding the length of each segment list, and then creating a series from those list lengths to organize the flattened list of midpoints into the appropriate groups.

Attachments:

pointclosestsolved.ghx, 331 KB
provadiclosestpoint2 001.3dm, 10.5 MB

Permalink Reply by yewei on October 27, 2009 at 7:02am

huge thanks benjamin!

you have archieve the result with only the grasshopper components which is Jon waiting for!it's great of you to share your definition with us,(i am the very person getting the benefit:] )

sincere thanks again,

wei

Permalink Reply by Jon Mirtschin on October 23, 2009 at 1:13am

Here's a repost of that file. Hope you can open this one. If you can't, email me or pm me your email and I'll send you the file.

I'll have a look/think about trees/branches when I get a chance, others in the group must know a lot more than me.

Cheers,

Jon

Attachments:

pointclosest jm.ghx, 238 KB

Permalink Reply by yewei on October 23, 2009 at 10:28am

hi jon,

i couldn't open the new posted file, it reshowed the archiving messages of rhino...

i've sent you a message via the forum system , hoping to hearing from you soon!

best regards,

wei

Permalink Reply by to] on October 23, 2009 at 10:37am