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node-red-contrib-chartjs
Advanced tools
A Node-RED node to provide charts for plotting things on. Implemented by Chart.js
This nodes package permit to use Chart.js charts from Node-RED. The objective is create a new url path for each chart created, this url path could be configured and updated at runtime.
For the latest updates see the CHANGELOG.md
npm install node-red-contrib-chartjs --save
Multi Line Chart
Vertical Bar Chart
The Chart attributes are:
http://localhost:1880/TP01
The chart payload attributes are:
The payload dataset attributes are:
Read node help to check the dataset structure for each chart. The Line Charts dataset could be multi serial graphs like this:
[{"channel": "Population",
"color": "Blue",
"dataset": [{
"x": "Europe",
"y": 741
},
{
"x": "Australia",
"y": 24
},
{
"x": "Africa",
"y": 1.2
},
{
"x": "America",
"y": 325
},
{
"x": "Asia",
"y": 4.4
}]},
{"channel": "Economy",
"color": "Green",
"dataset": [{
"x": "Europe",
"y": 12
},
{
"x": "Australia",
"y": 13
},
{
"x": "Africa",
"y": 3
},
{
"x": "America",
"y": 22
},
{
"x": "Asia",
"y": 18
}]}
]
NOTE: The new multiserial linear chart implementation is compatible with the previous one versions
The rest of the charts dataset are not multiserial graphs. An example could be like this:
{
"channel": "Population",
"color": "Green",
"dataset": [
{
"x": "Europe",
"y": 741
},
{
"x": "Australia",
"y": 24
},
{
"x": "Africa",
"y": 1.2
},
{
"x": "America",
"y": 325
},
{
"x": "Asia",
"y": 4.4
}
]
}
Under example folder you have a json flow to be imported in your node-red instance to test the nodes.
FAQs
Node-RED Chart.js node
The npm package node-red-contrib-chartjs receives a total of 43 weekly downloads. As such, node-red-contrib-chartjs popularity was classified as not popular.
We found that node-red-contrib-chartjs demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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