Ui-chart line point missing

Dashboard
1

I am experiencing some problems in representing lines using the ui-chart node.
It is a very similar problem to the one encountered with the bars: the second element of the series to be represented is not displayed.
The workaround I found is the same as the problem with the bars: repeat twice the msg.payload that contains the data to be displayed.

Let me give an example:
a chart node is configured in this way:

image
image1327×1506 72.4 KB

A function preceding the ui-chart node prepares the data to be displayed and sends them by preparing a msg.payload and then node.send(msg); if the function sends only one msg.payload, the result is the following:

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image1767×554 74.8 KB

The data is prepared and sent like this (same thing for other series):

    serie_tletto = {
        "tipo": "Letto",
        "giorno": giorno,
        "valore": t_letto[i]
    };

msg.payload = [serie_tcrono, serie_tsalone, serie_tlibreria, serie_tcameretta, serie_tletto, serie_tstudio];
node.send(msg);

If instead I add a node.send(msg) immediately after the previous one, I get:

image
image1757×550 73.5 KB

2

Have you added a debug node to the output of the function node to check the data being sent the first time against the second time?

Can you replicate the issue in a small flow to demonstrate the issue? If so export the flow and attach it to a reply so people can check it out. (make sure the data is not confidential, make it up)

3

Yes, of course the debug shows the same informations.
On github at this link there is the flow and how to reproduce this problem.
If it in non enough, I can add aother informations.
Thanks a lot.

4

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