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r_good

Invert signal going into a select VI

Status: Declined

Any idea that has not received any kudos within a year after posting will be automatically declined. 

I attempted to search if this is already existing so I apologize if this has already been struck down (I would be surprised if I am the first to request this).

 

There are many times when I place a not going into the T/F input of a select VI.  It would be great if we could invert the signal at the select VI similar to inverting the signal on a compund arithmetic vi..

 

This can help clean up code in some action engines or state machines, but mostly allows us to get rid of the big not vi in these cases.

 

Best,


Adam

5 Comments
tst
Knight of NI Knight of NI
Knight of NI

See the relevant discussion here - http://forums.ni.com/t5/LabVIEW-Idea-Exchange/Swap-T-F-Terminals-in-Select-Function/idi-p/1007147


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r_good
Member

Wow, thank you very much.  I am glad this is being addressed in the community.  Hopefully they take care of it.  Sorry for the double post.

 

Best,


Adam

r_good
Member

Well I wish I looked at the dates before I wrote that comment before.  I read through the posts where people were entertaining the idea but it seems like that was all that was done.

Tst since you are verteran member, I wish to ask you a question even though it seems to be beating a dead horse.  I understand there is a not vi but it would be really useful if all boolean tools offered an invert simply for clearner diagrams.  Is there a reason this has not been implemeted at all?

Just hoping to see what your opinion is.

 

Hopefully you and everyone are having a great thanksgiving.


Best,


Adam

tst
Knight of NI Knight of NI
Knight of NI

The reason most things aren't implemented isn't necessarily because they're wrong or bad, but because there are limited resources.

 

For the select function specifically, I think an invert option is reasonable, although I personally prefer swapping the wires because following inverted boolean logic can be hard. For the other boolean functions, I usually use the compound node, which allows inverting any of its I/O terminals.


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Darren
Proven Zealot
Status changed to: Declined

Any idea that has not received any kudos within a year after posting will be automatically declined.