ltip").classed("hidden",!1);
					wrapper.append("line").attr("class","guide").attr("x1",c).attr("x2",c).attr("y1",d).attr("y2",height+20).style("stroke",a).style("opacity",0).transition().duration(100).style("opacity",.5);
					wrapper.append("text").attr("class","guide").attr("x",c).attr("y",height+38).style("fill",a).style("opacity",0).style("text-anchor","middle").text(d3.format(".2s")(b.UMAP_1)).transition().duration(100).style("opacity",.5);
					wrapper.append("line").attr("class","guide").attr("x1",