Creating spectrum analyzer preset reference lines programmatically

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Hi Community,

I need to create a "dynamic" preset containing reference lines for spectrum analyzer. Frequencies for the reference lines are received in the protocol through API requests and there needs to be multiple lines on the preset. I'm trying to do it through SLNet with preset data. I couldn't find any documentation on the format of the object for reference lines nor for the other required data in the preset. Main question is what is the format of this object and what does it represent?

Thanks for your help!

Amar Genjac [SLC] [DevOps Advocate] Selected answer as best 7th September 2023

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Hi Amar,

Depending on the version of the preset data, there will be 3 to 6 strings required for each of the reference lines.

  • 0 = position (Hz or dBm)
  • 1 = color code (CLR_DEFAULT = -16777216)
  • 2 = type (0=AMP, 1=FREQ)
  • 3 = name [version 17+]
  • 4 = isReference (0/1) [version 26+]
  • 5 = measurement points (if any. ids separated by "|") [version 31+]

So assuming the preset version is 31+ and you are trying to save 3 reference lines, you will need to pass in a string array with length 18 (3*6) that has info on all 3 reference lines.

Hope this helps

Amar Genjac [SLC] [DevOps Advocate] Selected answer as best 7th September 2023