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
The npm package TeeChart receives a total of 9 weekly downloads. As such, TeeChart popularity was classified as not popular.
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.
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