Stat collector in v18, when using "ID of row value" returns "Invalid ID"

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Christian R. Houen asked Jan 17, '18 Christian R. Houen commented Jan 18, '18

Stat collector in v18, when using "ID of row value" returns "Invalid ID"

Hi

When I try and set the stat collector to register pallet ID, I thought I might as well use the row ID, as the specific pallet ID does not matter to me. In the data table however, only the value "Invalid ID" is returned in all cells in this ID column.

Is there any better way to do this? Could I simply create a column of row IDs using SQL in the calculated table section? If so, how'd you do that?

regards,

Software Version:

FlexSim 18.0.0

statistics collector

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Christian R. Houen commented · Jan 17, 2018 at 08:27 AM

I actually managed to make it work now, but I still haven't gotten a clue how.
Also, if anyone knows how to register pallet ID in case I have multiple entry ports and listen to the data using different statistics collectors?

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Answer 1 · 2018-01-17T16:47:50Z

Jordan Johnson answered Jan 17, '18 Christian R. Houen commented Jan 18, '18

This is due to how the ID system works on the statistics collector. If you get the id (using StatisticsCollector.getID) of a flowitem or token, you get an incrementing number. The first one you ID becomes number 1, the second, number 2, etc.

For permanent objects, like Fixed Resources, the ID is actually generated from the full path of the object. The ID is just a big number, however, and isn't helpful on its own.

That's where column formatting comes in. If you have an ID of a fixed resource (or other present-on-reset object), then you can choose not to see the big number, but the path that created the big number. This is the Object column format.

In your case, however, you are using the Object column format, which means "don't display the number, display the path that makes this number." Unfortunately, the number for tokens and flowitems is not generated by path, and so the collector says "Invalid ID" or "I couldn't find the path for that number, so I can't display this using the Object formatting."

So the fix is to not use the Object column format for the ID of a row value.

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Christian R. Houen commented · Jan 18, 2018 at 11:34 AM

Thank you, Jordan!

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