How can I delete a curve of a chart? Thank you


What you see is a REALLY BORING of the chart behavior. I've seen this before, but I don't know if this has been reported as a bug, but otherwise, I'd call it a. What happens is that once you resize the legend, the table "remembers" the names of the plot. It doesn't matter if you made only feed him two parcels. Here's how to reproduce:

  1. With the code you provided, place a chart on the VI. Do not change the properties of the graph.
  2. Connect the card to the output of the merge signals.
  3. Run the VI.
  4. Open the properties of the legend of the plot, and you should see 10 plots.
  5. Close the graph properties. Don't change anything.
  6. Reconnect the chart at the end of the VI of signals select.
  7. Run the VI.
  8. Open the properties of the legend of the plot, and you should see 2 plots. Expected behavior.
  9. Close the graph properties. Don't change anything.
  10. On the front panel, resize the legend of the plot, so that it shows, for example, field 5.
  11. Open the properties of the legend of the plot. You should see 6 plots.
  12. Close the graph properties. Don't change anything.
  13. Run the VI.
  14. Open the properties of the legend of the plot. You can always see 6 plots.
  15. Close the graph properties. Don't change anything.
  16. Resize the plot legend back to only show that a single parcel.
  17. Open the properties of the legend of the plot. You can always see 6 plots.
  18. Close the graph properties. Don't change anything.
  19. Run the VI.
  20. Open the properties of the legend of the plot. You can always see 6 plots.

I think that it is an incorrect behavior. You can change the number of parcels shown in the legend by programming if you want to do. Simply changing the size of the legend.

Tags: NI Software

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