diff --git a/uhepp-js/src/components/UheppHist.jsx b/uhepp-js/src/components/UheppHist.jsx
index 8790d520be2b09e9b063dafb98920828ece653d6..b81825b8f7e08e48a1de5db2d77c0ec82fa65354 100644
--- a/uhepp-js/src/components/UheppHist.jsx
+++ b/uhepp-js/src/components/UheppHist.jsx
@@ -127,6 +127,46 @@ const Bar = ({
         onMouseOut={() => onMouseOut()} />
 )
 
+const Graph = ({
+  xScale,
+  yScale,
+  data,
+  style={},
+}) => {
+  const x = data.x
+  const y = data.y
+  const points = Array(x.length).fill(0).map(
+    (_, i) => [xScale(x[i]), yScale(y[i])]
+  )
+
+  return <g>
+    { Array(x.length - 1).fill(0).map(
+     (_, i) => <line x1={points[i][0]} y1={points[i][1]}
+                     x2={points[i + 1][0]} y2={points[i + 1][1]}
+          strokeWidth="2"
+          fillOpacity="0"
+          stroke={style.color || "#000"}
+          key={i}
+          />
+          )}
+  </g>
+}
+
+const VLine = ({
+  xScale,
+  yScale,
+  x,
+  range,
+  style={},
+}) => (
+    <line y1={yScale(range[0])}
+          y2={yScale(range[1])}
+          strokeWidth="2"
+          stroke={style.color || "#000"}
+          x1={xScale(x)}
+          x2={xScale(x)} />
+)
+
 const Point = ({
   xScale,
   yScale,
@@ -616,9 +656,10 @@ const UheppHistPost = ({width, height, uhepp}) => {
 		range: [0, xMax],
 		domain: extent(uhepp.bins.rebin || uhepp.bins.edges),
 	})
+	const maxBinMain = getMaxBin(post_uhepp)
 	const yScale = scaleLinear({
 		range: [yMax, 0],
-		domain: [0, getMaxBin(post_uhepp) * 1.5],
+		domain: [0, maxBinMain * 1.5],
 	})
 	const ratioScale = scaleLinear({
 		range: [ratioMax, 0],
@@ -664,6 +705,26 @@ const UheppHistPost = ({width, height, uhepp}) => {
                xScale={xScale}
                yScale={yScale}
              />
+           { (post_uhepp.v_lines || []).map((vline, i) => 
+            <VLine
+               xScale={xScale}
+               yScale={yScale}
+               x={vline.x}
+               range={vline.range || [0, maxBinMain]}
+               key={i}
+               style={vline.style} />
+             )
+           }
+           { (post_uhepp.graphs || []).map((graph, i) => 
+            <Graph
+               xScale={xScale}
+               yScale={yScale}
+               data={graph}
+               key={i}
+               style={graph.style} />
+             )
+           }
+
          </g>
 
         <Group top={26} left={13}>