Grasshopper

algorithmic modeling for Rhino

Find subsequent values in a list

Hi everyone,

 

I have a Boolean-list, where I would like to find the middle one of three "TRUE'S

 

for example:

 

{0;0;0;0;0}
0. False
1. True
2. True  <-- this one
3. True
4. False
5. True
6. False
7. True
8. True  <-- this one
9. True
10. False
11. True
12. False
13. True
14. True  <-- this one
15. True
16. False
17. True
18. False
19. True
20. True  <-- this one
21. True
22. False
23. True
24. False
25. True
26. True  <-- this one
27. True
28. False
29. True
30. False
31. True
32. True  <-- this one
33. True

 

Any idea how I can solve this?

 

Thanks!

Views: 414

Replies to This Discussion

Permalink Reply by Hannes Löschke on January 5, 2012 at 2:33am

Boolean and with shifted lists. This will only leave overlapping sections of true set. This exact definition will only work for maximum set of three consecutive true values.

Attachments:
Permalink Reply by Anja on January 5, 2012 at 2:42am

Great, thanks Hannes, that worked!

Permalink Reply by Kristjan on January 6, 2012 at 10:48am

If you have repating pattern (it seems so by your example) then it is easy to use Cull Pattern component.

Permalink Reply by Anja on January 10, 2012 at 1:08am

Thanks Kristjan, the repetetive factor was just a coincidence though!

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