scatter-chart-simple

very simple 2d scatter chart with colored dots for nodejs.

Installation

npm i scatter-chart-simple

Usage

var scs = require('scatter-chart-simple');

//scs.plotSingleDataChart(
// filename?="chart.png",
// data=[{x,y}],
// title? = 'my dataset',
// width?=500
// height?=400
// backgroundColour='white'
// foregroundColor? = 'rgb(255, 99, 132)', 
// dotRadius=1, 
// isSync=false
// )

//scs.plotMultiDataChart(
// filename?="chart.png",
// data=[{title, data, color}],
// width?=500
// height?=400
// backgroundColour?='white',
// dotRadius=1, 
// isSync=false
// )

var data1 = [];
var data2 = [];
for(var i=0;i<1000;i++){
    data1.push(
        {
            x: Math.random()*5,
            y: Math.random()*5
        }
    );

    data2.push(
        {
            x: Math.random()*5,
            y: Math.random()*5
        }
    );
}

scs.plotSingleDataChart("chart.png", data1, 'test1');

var datasets = [
    {
        title: 'green stuff',
        data: data1,
        color: 'green'
    },
    {
        title: 'red stuff',
        data: data2,
        color: 'red'
    }
]

scs.plotMultiDataChart("chart2.png", datasets);

See Also

• line-chart-simple