algorithmic modeling for Rhino
proximity network
hi all,
I need to connect a point and a group of geometries with their closest one and generate a network of proximity.
the rules I need are
-join the point with the nearest geometry (or more depending on the threshold)
-join each geometry with the nearest one (or more depending on the threshold)
-be sure all geometries are connected with the network
on my very first solution, I come accross a problem where sometimes groups of geometries may be connected with each other but not connected to the whole system
on a more complicated solution I tried an iterative process but still failed
working with iterations of repeating operations (using clusters)
-from one point it looks for the closest geometry, and traces a line (there's a threshold slider where you can search for geometries that are similarly closer and connect them too)
-then the new starting points would be the newly connected geometries, and then it looks for the closest other geometries from them
-for the last standing geometries it looks for a near island from all the network... but still not always working it creates not really sensible networks of closest connections
like in this case
I guess the more simple one is the way to go... but still not sure..
I tried using shortest walk but couldn't figure out how to...
would appreciate any comments,
cheers
rbbt
Views: 1230
- Attachments:
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network proximity_simple.gh, 14 KB -
network proximity_complicated.gh, 53 KB
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Replies to This Discussion
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Permalink Reply by Riccardo Majewski on
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Hi Rabbit,
You wrote about an iterative process, but in your definition you don't use any iterative component!
I suggest you to use Anemone.
Download it, add it to rhino and restart rhino, then try the attached solution.
What it does:
- starting from the active or "on" islands search for the nearest "off island"
(this by considering all "on islands" as a whole system, meaning at every cycle it will find just 1 new island, not optimized)
- move the newly active "on island" from list "off" to list "on"
- add the new connection line to the connections list
REPEAT CYCLE
Probably it is possible to do some tweaks to speed up the whole process.
This solution is "stupid", do a lot of work for just 1 island at time.
Tell me if it works for you.
Bye! :D
- Attachments:
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proximity.gh, 17 KB
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Permalink Reply by Rabbit on
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amazing ricardo!! it works like a charm.
I had no idea about that component, all my project is based on iterations and it's done manually haha
cheers,
rbbt
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hi Ricardo,
quick question, I've been trying to figure out a way of sorting the outputs of your definition.
to know which islands are first degree, 2nd, 3rd, etc of connection to the city...
any ideas? :°
cheers!
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It's doable. (does this word exist? XD I'm italian.)
Each new activated island "read" the degree of his "father" island, and make his level that +1.
But... sorry. I'm working atm.
Later...
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Riccardo,
Puoi scrivere in italiano haha
Non c'é fretta. Ho capito quello che dici, ho tentato di farlo ma non sono riuscito.
Later...
saluti
rbbt
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hi riccardo,
non sono ancora riuscito haha
where do you say I should change the degree? so I have each island degree on a different branch?
all islands in first degree in a branch, all in second in another.. and so on?
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(ti risponderò in inglese per non isolarci dal forum)
Had few time lately...
This is a solution... but i'd like to make it better...
try this for now...
cya
- Attachments:
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proximity_indexed.gh, 26 KB
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