javascript - Highcharts - line between two categories -


i have chart of type column range , requirement have line connecting 2 categories.

jsfiddle 

$(function() {  $('#container').highcharts({ chart: {   type: 'columnrange',   inverted: true }, title: {   text: 'test' }, subtitle: {   text: 'sample' }, xaxis: {   categories: ['jan', 'feb', 'mar'],   visible: false }, yaxis: {   visible: false }, legend: {   enabled: false }, series: [{   name: 'series1',   data: [     [0, 3],     [0, 3],     [0, 3]   ],   pointplacement: -0.20,   pointwidth: 50 }, {   name: 'series2',   data: [     [3, 6],     [3, 6],     [3, 6]   ],   pointplacement: 0,   pointwidth: 1 }, {   name: 'series3',   data: [     [6, 9],     [6, 9],     [6, 9]   ],   pointplacement: 0.20,   pointwidth: 50 }]   });});

how draw line 1 category another? there property available?

you should able achieve similar chart adding new line series chart: 

{       name: 'series4',       type: 'line',       marker: {         enabled: false       },       index: 1,       data: [         [0, 1.5],         [1, 1.5],         [2, 1.5]       ],     },

here can see example how chart may work: http://jsfiddle.net/ebtygovh/6/

you can use renderer.path adding lines chart: http://api.highcharts.com/highcharts/renderer.path


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