WaveformChart bug? (LV2014 SP1)

[TiTou]

Hi all,

Here's a VI in which I set plot properties on a chart and then plot values in it every 100ms.

When I run it I get a "not enough memory to complete this operation" message, after hitting "Ok" on the message I can see that this message was not blocking the execution of the VI.

My assumption is that LabVIEW doesn't really like the order in which I set the plot properties and instead a throwing an error out of the property node, it throws this "not enough memory" message.

Can anyone test this in a more recent version of LabVIEW please?

[crossrulz]

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@TiTou wrote:

Can anyone test this in a more recent version of LabVIEW please?

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I get no error with LabVIEW 2015 SP1.

[Bob_Schor]

... and here it is in LabVIEW 2016.

Bob Schor

[TiTou]

Ok, thank you both for trying.

So this issue doesn't appear in LV 2015 and 2016, that's good news.

Anyone can reproduce it in LV 2014 ?

[GerdW]

Hi TiTou,

just run your VI with LV2014SP1 and encountered NO problems…

[TiTou]

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GerdW a écrit :

Hi TiTou,

just run your VI with LV2014SP1 and encountered NO problems…

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Aha... are you running LV 2014.0f1 64b ?

[GerdW]

Hi TiTou,

I'm running LV2014SP1-32bit (or "Version 14.0.1" in LabVIEW "About" window) on Win7-64bit:

[TiTou]

Can you please try one more thing :

- open the VI

- run it

- stop it by closing the FP

- then right clic on the chart > Data operation > Clear chart

- then save the VI

- run the VI again

Cheers

[TiTou]

On LV2016 Mac evaluation version, the first time I run the VI, there is no issue, I stop it and re-run it an then I get a hang 😮

[GerdW]

Hi TiTou,

Can you please try one more thing :

- open the VI

- run it

- stop it by closing the FP

- then right clic on the chart > Data operation > Clear chart

- then save the VI

- run the VI again

I did as you asked for: the VI runs in the 2nd run the same "flawless" way as in the 1st run…

See this result of VI properties -> Memory usage after the 2nd run:

I also attach your VI after saving it (before 2nd run)…