Retrieve the index number from a specific value

Grasshopper
1

Dear community,

a need a little help.

I have a sorted list, and from this list I need to know and extract the index number from the item which first approaches a given value, in this case is 125, i.e. index no. 172 from this list.
I will always have lists in which the value “125” will be positioned in another index, for this, I would need to extrapolate it automatically and not manually.
RetrieveTheValue

Could someone point me in the right direction?
Thanks in advance

2

equal_tolerance_2021Feb10a

Source internal to the isEqual (within tolerance) cluster/component:

Error-ItemNotFound_2020Nov26a2

3

Hallo dear Joseph,

thanks for the help, but I have a problem, I think is the Expression by your A-imput into the _smaller component. Wich expression have you used?
RetrieveTheValue.gh (15.7 KB)

4

abs(x)

That is the trouble with images alone instead of posting GH files!
equal_tolerance_2021Feb10a.gh (18.2 KB)

P.S. Here it is again using your data, but the tolerance value must be 0.1 to make it work.

equal_tolerance_2021Feb10b
equal_tolerance_2021Feb10b.gh (24.2 KB)

1 Like
5

sorry, I forgot the attachment.

Thanks for your time Joseph!!

Best regards