Selecting a set of data

Hey guys, I am new to grasshopper and I am so confused in using the commands in the list other than list item. How do I put the points 0 1 3 5 in 1 folder and 2 4 6 7 in another folder? I want to draw lines between them in a parallel manner. I have tried some list commands but still didn't get it. Is there anyway to learn more about how to pick the items that I want? I have been struggling at this. Thank you!

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troubleshoot 2.png, 500 KB

Replies to This Discussion

Permalink Reply by ALan Chan on April 15, 2015 at 8:54pm

A clumpsy way I use is just using list item and pick one by one

Permalink Reply by ALan Chan on April 15, 2015 at 8:57pm

Permalink Reply by Hyungsoo Kim on April 16, 2015 at 1:07am

Hi.

You can check this way.

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Selecting_a_set_of_data.gh, 10 KB

Permalink Reply by David Rutten on April 16, 2015 at 4:25am

Is there a rhyme to this order? Or does every situation require a custom hand made pattern?

Permalink Reply by David Rutten on April 16, 2015 at 5:17am

Assuming the pattern is always zig-zaggy this way, you can use a combination of Split Tree, Cull Index and List Item:

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points.gh, 8 KB

Permalink Reply by David Rutten on April 16, 2015 at 5:20am

And if you want to hand-pick the indices, you can still use Split Tree:

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simple.gh, 6 KB

Permalink Reply by ALan Chan on April 16, 2015 at 8:04am

Great thanks David!!! I have never expected so much response in the first place! I will try this out Thanks!

Permalink Reply by ALan Chan on April 16, 2015 at 8:16am

i was trying to create something like a square grid only that every 2 row the grid pattern shifts to the side to create like a "Iwamoto Scott - MoMA/Ps1 Reef" pattern. So thats why i wanted to shift the pattern a bit to look like the reef if you look from the top, to begin to work the rest, maybe lofting?

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