function exports(_selection) {
            _selection.each(function(_data){
                chartWidth = width - margin.left - margin.right;
                chartHeight = height - margin.top - margin.bottom;
                data = cleanData(_data);

                buildColorScale();
                buildSVG(this);

                if (isHorizontal) {
                    drawHorizontalLegend();
                } else {
                    drawVerticalLegend();
                }

                if (highlightedEntryId) {
                    cleanFadedLines();
                    fadeLinesBut(highlightedEntryId);
                }
            });
        }
This function creates the graph using the selection as container
@param  {D3Selection} _selection A d3 selection that represents
                                 the container(s) where the chart(s) will be rendered
@param {LegendChartData} _data The data to attach and generate the chart