From 9716d7edb50f45c6e973d3aadd626aea0adf3d4f Mon Sep 17 00:00:00 2001
From: archmoj <mojtaba@plot.ly>
Date: Thu, 26 Aug 2021 18:38:13 -0400
Subject: [PATCH] improve bbox for pie slices

---
 src/traces/pie/plot.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/traces/pie/plot.js b/src/traces/pie/plot.js
index 066b66f5db0..0a9e17b0cef 100644
--- a/src/traces/pie/plot.js
+++ b/src/traces/pie/plot.js
@@ -410,6 +410,8 @@ function attachFxHandlers(sliceTop, gd, cd) {
                 x0: hoverCenterX - rInscribed * cd0.r,
                 x1: hoverCenterX + rInscribed * cd0.r,
                 y: hoverCenterY,
+                _y0: hoverCenterY - rInscribed * cd0.r,
+                _y1: hoverCenterY + rInscribed * cd0.r,
                 text: text.join('<br>'),
                 name: (trace2.hovertemplate || hoverinfo.indexOf('name') !== -1) ? trace2.name : undefined,
                 idealAlign: pt.pxmid[0] < 0 ? 'left' : 'right',