functionality on the graph

[ameletudiante99]

Hi, Hello, I am developing data acquisition code on labview and I would like to add functionality, I display my data (2 parameters) on a single graph; I want to display the min, max and average of each parameter, I tried with propery node but it only displays the max and min of one of the data (the most important)? how can I fix this

and the second question, could I use code to change the scale of my graph so that, if necessary, I could have more detail on the graph?

thanks in advance

[GerdW · Accepted solution]

Hi amel,

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@ameletudiante99 wrote:

I would like to add functionality, I display my data (2 parameters) on a single graph; I want to display the min, max and average of each parameter, I tried with propery node but it only displays the max and min of one of the data (the most important)? how can I fix this

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By writing "working code according to the requirements".

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@ameletudiante99 wrote:

could I use code to change the scale of my graph so that, if necessary, I could have more detail on the graph?

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Yes.

General suggestion: when we should discuss problems in your code then you should attach this code…

[ameletudiante99 · Accepted solution]

hi

Here is my code,

I don't understand what you mean by  By writing "working code according to the requirements".

can you please  point me in the right direction, I have no idea how to do this?this?

[GerdW · Accepted solution]

Hi amel,

when using recent LabVIEW versions you should downconvert your VI before attaching. (File->Save for previous)

Most say "for LV2021 or older", I prefer LV2019.

[ROtake · Accepted solution]

You can have a routine to find the max, min and average of the data, then plot them together. but depends how your are ploting them, You can plot htem as waveform and as a chart .

Please save your code for labview 2020. 

[altenbach · Accepted solution]

You have two main choices:

1. Create additional waveforms with constant values and display them as additional plots
2. Create horizontal cursors and place them at the min/max/mean, etc. for each plot.

Here's a subVI that would process one waveform to create the others for max,min,mean (case 1), call it for each.:

And here's how you could set the cursors (make sure you define 6 cursors first)

[paul_a_cardinale · Accepted solution]

Many years ago I made an XControl that has over/under limit highlighting (it's one of my early XControls, so it's not so polished).  Maybe you can use that as a guide to build something.

[altenbach · Accepted solution]

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@ameletudiante99 wrote:

and the second question, could I use code to change the scale of my graph so that, if necessary, I could have more detail on the graph?

thanks in advance

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There are properties for auto-scale, min and max of the x and y axis and they can be modified via the relevant property nodes. Of course you should turn off autoscaling when setting defined min and max, else it is futile.

[ameletudiante99 · Accepted solution]

Hi ;

hi, here is the code in the photo, I will no longer have access to my labview software until next week

Thanks a lot

[ameletudiante99]

Hi;

thanks I will try