function buildSVG(container) {
            if (!svg) {
                svg = d3Selection.select(container)
                    .append('svg')
                    .classed('britechart scatter-plot', true);

                buildContainerGroups();
            }

            svg
                .attr('width', width)
                .attr('height', height);
        }
Builds the SVG element that will contain the chart
@param {HTMLElement} container A DOM element that will work as
the container of the chart
@return {void}
@private