Ui_chart alternate (Apex chart ?) Just want the zoom feature in the graph

[smanjunath211]

I have a ui_chart node in the dashboard, which is working fine. the data is fed from a mysql query , processed and is displayed as expected. attaching a sample data and flow here
i want to have zoom feature and i tried many things, most of the suggestions were to use apex chart. unfortunately i could not find any working example of how to get a apex chart from a template node and feed my example data into it.
any help is appreciated.

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[zenofmud]

Did you try a search on the forum? Try using 'apex' and 'apex chart' and 'apexchart' and see what you find.

[smanjunath211]

yes i did a lot of search, they all lead to apex webpage, no clue as to how to bring it in dashboard,
there was one post which referred to it, but no sample flow in the topic, so could not understand.
will give it one more try after office hours.

thank you

[zenofmud]

did you read thru this one?

Apexcharts how to add js scripts

That isn't what Dashboard is for. It is aimed at people with no html/js experience and enables them to have a UI simply by providing nodes in Node-RED flows. If you want a custom UI, you may wish to try uibuilder. It is helpful to share the ui_template code directly not just the flow file (since that takes time to paste into NR and tidy up afterwards). If I am reading the raw flow correctly, I think you have assumed that the ui_template needs to have a full HMTL file. But the ui_template no…

[smanjunath211]

I am not template node literate
The example given has the data built in the template node itself. I need to generate a line graph with external data. Will take me for ever to decipher that.
I was also exploring the same in another thread where a node was used to draw a graph, but i could not understand how to feed the data and what syntax was used. The creator of node has not been active since many years. So dead end.

https://discourse.nodered.org/t/ui-uplot-chart-from-stored-data-mysql-moved-to-grafana-iframe-now/75685?u=smanjunath211

I ended up using grafana with an i frame. But it has its own drawbacks.

So ...

[UnborN]

Apexchart example Flow based on your data
(with some $random values added to simulated and test the chart update)

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\"d\":\"2023-03-20T23:53:00.000Z\",\t       \"Temperature\":102,\t       \"m1\":500,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1066\t   },\t   {\t       \"d\":\"2023-03-20T23:52:00.000Z\",\t       \"Temperature\":101,\t       \"m1\":500,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1113\t   },\t   {\t       \"d\":\"2023-03-20T23:51:00.000Z\",\t       \"Temperature\":101,\t       \"m1\":500+ $random()*80,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1113\t   },\t   {\t       \"d\":\"2023-03-20T23:50:00.000Z\",\t       \"Temperature\":99,\t       \"m1\":500+ $random()*80,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":450\t   },\t   {\t       \"d\":\"2023-03-20T23:49:00.000Z\",\t       \"Temperature\":100,\t       \"m1\":500,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1090\t   },\t   {\t       \"d\":\"2023-03-20T23:48:00.000Z\",\t       \"Temperature\":102+ $random()*80,\t       \"m1\":500,\t       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  {\t       \"d\":\"2023-03-20T23:31:00.000Z\",\t       \"Temperature\":101+ $random()*80,\t       \"m1\":500+ $random()*80,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1137\t   },\t   {\t       \"d\":\"2023-03-20T23:30:00.000Z\",\t       \"Temperature\":101+ $random()*80,\t       \"m1\":500,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1137+ $random()*80\t   }\t]","tot":"jsonata"}],"action":"","property":"","from":"","to":"","reg":false,"x":390,"y":2540,"wires":[["48b1a74d08f4027a"]]},{"id":"c0956cc7d767a4ee","type":"inject","z":"54efb553244c241f","name":"","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"date","x":140,"y":2540,"wires":[["c0c284e2d249d05c"]]},{"id":"1dcfd28829eeec92","type":"debug","z":"54efb553244c241f","name":"debug 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}\t]\t","tot":"jsonata"}],"action":"","property":"","from":"","to":"","reg":false,"x":660,"y":2540,"wires":[["1dcfd28829eeec92","afed9f5b8af7b455"]]},{"id":"0df4552f9d69039d","type":"ui_group","name":"DEFAULT","tab":"f3a8a67ff0904e39","order":1,"disp":false,"width":"12","collapse":false,"className":""},{"id":"f3a8a67ff0904e39","type":"ui_tab","name":"HOME","icon":"dashboard","order":2,"disabled":false,"hidden":false}]

[smanjunath211]

I cant thank you enough... this is absolutely brilliant.

the tooltip is blank when i move on the chart, is that a setting issue ?

[UnborN]

i saw some problem with the styles also and i had to switch this setting
Use Anglular theme in ui_template

[smanjunath211]

i checked and found i also have the angular setting in ui_template already. i saw tooltip section in template node 'commented' i removed the comment, the tooltip separated to each series, but i still dont have values showing

[UnborN]

@smanjunath211

but i still dont have values showing

probably because of the dark theme of your dashboard

Check this link from the Apexchart website how to configure the tooltip
I notice that there's a tooltip theme option but havent tried it

[smanjunath211]

sure, i will check that out.

again thank you so much, i had left hope.
will post back once i have complete solution, this is more than a starting point for me. you have pushed me almost to the finish line..

[smanjunath211]

@UnborN

probably because of the dark theme of your dashboard

it is indeed due to dark theme, i am able to get the tooltip in light mode.
however no amount of settings changed with input of Apexchart website (that is whatever i could understand) could show me tooltip in dark mode.

same graph , in light and dark mode respectively.

could anyone help if they have this issue faced before ?

[hotNipi]

For options add

theme: {
            mode: 'dark'
          }

theme / color palettes – ApexCharts.js

[smanjunath211]

@hotNipi

theme: {
            mode: 'dark'
          }

theme / color palettes – ApexCharts.js

[smanjunath211]

how do i pass the chart title dynamically, i tried {{msg.payload}} but it does not work it just shows
{{msg.payload}} literally

title: {
          text: 'Flow and Temp Data',
          align: 'left'
        },

title: {
          text: '{{msg.payload1}}',
          align: 'left'
        },

Edit: Bummer ;
I dont know why i was forcing {{ }} mustache template, just putting msg.payload1 did the trick.

        title: {
          text: msg.payload1,
          align: 'left'
        },

[UnborN]

In your "Prepare Chart Data" Change node, add an extra property to you msg msg.chartTitle that will hold the chart title (we cant use msg.payload in this case because payload holds the actual series data so we use another property)

In the ui_template code, in the chart's options, simply assign the msg.chartTitle value to

title: {
          text: msg.chartTitle,
          align: 'left'
        },

Example

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     \"m1\":500 + $random()*80,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1161\t   },\t   {\t       \"d\":\"2023-03-21T00:19:00.000Z\",\t       \"Temperature\":104,\t       \"m1\":500 + $random()*80,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1161\t   },\t   {\t       \"d\":\"2023-03-21T00:18:00.000Z\",\t       \"Temperature\":102,\t       \"m1\":500 + $random()*80,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1161\t   },\t   {\t       \"d\":\"2023-03-21T00:17:00.000Z\",\t       \"Temperature\":102 + $random()*80,\t       \"m1\":500,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1137\t   },\t   {\t       \"d\":\"2023-03-21T00:16:00.000Z\",\t       \"Temperature\":102 + $random()*80,\t       \"m1\":500,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1113\t   },\t   {\t       \"d\":\"2023-03-21T00:15:00.000Z\",\t       \"Temperature\":103 + $random()*80,\t       \"m1\":500,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1113\t   },\t   {\t       \"d\":\"2023-03-21T00:14:00.000Z\",\t       \"Temperature\":103 + $random()*80,\t       \"m1\":500,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1113\t   },\t   {\t       \"d\":\"2023-03-21T00:13:00.000Z\",\t       \"Temperature\":101 + $random()*80,\t       \"m1\":500,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1137\t   },\t   {\t       \"d\":\"2023-03-21T00:12:00.000Z\",\t       \"Temperature\":102,\t       \"m1\":500 + $random()*80,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1090\t   },\t   {\t       \"d\":\"2023-03-21T00:11:00.000Z\",\t       \"Temperature\":103,\t       \"m1\":500 + $random()*80,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1113+ $random()*80\t   },\t   {\t       \"d\":\"2023-03-21T00:10:00.000Z\",\t       \"Temperature\":104,\t       \"m1\":500 + $random()*80,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1113\t   },\t   {\t       \"d\":\"2023-03-21T00:09:00.000Z\",\t       \"Temperature\":103,\t       \"m1\":500,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1090\t   },\t   {\t       \"d\":\"2023-03-21T00:08:00.000Z\",\t       \"Temperature\":103,\t       \"m1\":500,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1113\t   },\t   {\t       \"d\":\"2023-03-21T00:07:00.000Z\",\t       \"Temperature\":102+ $random()*80,\t       \"m1\":500+ $random()*80,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1113\t   },\t   {\t       \"d\":\"2023-03-21T00:06:00.000Z\",\t       \"Temperature\":101,\t       \"m1\":500,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1113\t   },\t   {\t       \"d\":\"2023-03-21T00:05:00.000Z\",\t       \"Temperature\":101+ $random()*80,\t       \"m1\":500+ $random()*80,\t       \"r\":\"2023-03-19T18:30:00.000Z\",\t       \"flow\":1113\t   },\t   {\t       \"d\":\"2023-03-21T00:04:00.000Z\",\t       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[smanjunath211]

Yes, i realised that , i was assuming i need to use {{}} mustache template, and was not getting it right.,
i used the msg.payload1 and without {{}} and was successful.

Thank You.