Easy to use exporting-server by HighCharts
##Install
$ npm install node-highcharts-exporting
##Usage
varexporting=require("node-highcharts-exporting");varfs=require('fs');exporting({data : {xAxis: {categories: ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec']},series: [{data: [29.9,71.5,106.4,129.2,144.0,176.0,135.6,148.5,216.4,194.1,95.6,54.4]}]}options : {title : {text : "test"},"yAxis" : {"title" : {"text": "test"}}}},function(err,data){// data had encode base64 , should be decodefs.writeFile('chart.png',newBuffer(data,'base64'),function(){console.log('Written to chart.png');});})##how it work The API is used:
exporting(options , callback)
options
- data [object] - Highcharts configuration object.
- scale [num] - A scaling factor for a higher image resolution. Maximum scaling is set to 4x. Remember that the width parameter has a higher precedence over scaling. default is 1
- width [num] - The exact pixel width of the exported image. Defaults to chart.width or 600px. Maximum width is 2000px.
- type [string] - Image format , the type can be of jpg, png, pfd or svg for , default is png.
- constr [string] - Can be one of Chart or StockChart. This depends on whether you want to generate Highstock or basic Highcharts
- executed [function] - The executed is a function which will be called in the constructor of Highcharts to be executed , the highchart object should as parameter pass into the function and named chart
- options[object] - The options is init for Highcharts , see Highcharts.setOptions
callback
- when file generated and will be called