src/charts/stacked-area.js
/**
         * Creates the vertical marker
         * @return void
         */
Creates the vertical marker
@return void
Creates the vertical marker @return void
function drawVerticalMarker(){
            verticalMarkerContainer = svg.select('.metadata-group')
                .append('g')
                .attr('class', 'vertical-marker-container')
                .attr('transform', 'translate(9999, 0)');
            verticalMarker = verticalMarkerContainer.selectAll('path')
                .data([{
                    x1: 0,
                    y1: 0,
                    x2: 0,
                    y2: 0
                }])
                .enter()
              .append('line')
                .classed('vertical-marker', true)
                .attr('x1', 0)
                .attr('y1', chartHeight)
                .attr('x2', 0)
                .attr('y2', 0);
        }
function drawVerticalMarker ( ) { verticalMarkerContainer = svg . select ( '.metadata-group' ) . append ( 'g' ) . attr ( 'class' , 'vertical-marker-container' ) . attr ( 'transform' , 'translate(9999, 0)' ) ; verticalMarker = verticalMarkerContainer . selectAll ( 'path' ) . data ( [ { x1 : 0 , y1 : 0 , x2 : 0 , y2 : 0 } ] ) . enter ( ) . append ( 'line' ) . classed ( 'vertical-marker' , true ) . attr ( 'x1' , 0 ) . attr ( 'y1' , chartHeight ) . attr ( 'x2' , 0 ) . attr ( 'y2' , 0 ) ; }
Creates the vertical marker
 @return void
Creates the vertical marker @return void