TeeChart Javascript charting, module for Node.js and jQuery plugin.
Steema Software https://www.steema.com
Charting module using TeeChart for JavaScript. Free for non-commercial use. See license.txt.
For TeeChart Javascript demos, documentation, support:
https://www.steema.com/product/html5
To create and render a chart picture at server-side,
an HTML5 <canvas> node library is required.
TeeChart has been tested on Linux using node.js and node-canvas module.
Install node.js: https://nodejs.org
Install node-canvas module: https://github.com/LearnBoost/node-canvas
Or:
npm install teechart
node main.js
This small javascript code will accept requests via web to return an image/png sample chart:
The important bits of code are:
var tee = require('./lib/teechart.js'),
Canvas = require('./node-canvas/lib/canvas.js');
Tee.Chart, passing the canvas:var canvas = new Canvas(500,300),
chart = new tee.Tee.Chart(canvas);
chart.bounds.set(0,0,500,300);
chart.title.text="Node.js and TeeChart";
chart.addSeries(new tee.Tee.Bar([5,3,7,1,2]));
chart.draw();
res.writeHead(200, {'Content-Type': 'text/html'});
res.end("<html><body><img src='"+canvas.toDataURL()+"'/></body></html>");
FAQs
Charting and graphing node.js module
We found that TeeChart demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 3 open source maintainers collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
Security News
Multiple high-impact npm maintainers confirm they have been targeted in the same social engineering campaign that compromised Axios.
Security News
Axios compromise traced to social engineering, showing how attacks on maintainers can bypass controls and expose the broader software supply chain.
Security News
Node.js has paused its bug bounty program after funding ended, removing payouts for vulnerability reports but keeping its security process unchanged.