From c4a86ed15788020c28a412d0d99fc1d1776b1efa Mon Sep 17 00:00:00 2001
From: Sergey Linev <S.Linev@gsi.de>
Date: Wed, 30 Oct 2024 12:54:47 +0100
Subject: [PATCH] Build with entries and empty bin

---
 build/jsroot.js | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/build/jsroot.js b/build/jsroot.js
index ee9073767..fd0c0e7aa 100644
--- a/build/jsroot.js
+++ b/build/jsroot.js
@@ -77184,7 +77184,7 @@ let TH2Painter$2 = class TH2Painter extends THistPainter {
          res.wmax = 0;
       res.integral = stat_sum0;
 
-      if (histo.fEntries > 1)
+      if (histo.fEntries > 0)
          res.entries = histo.fEntries;
 
       res.eff_entries = stat_sumw2 ? stat_sum0*stat_sum0/stat_sumw2 : Math.abs(stat_sum0);
@@ -81878,7 +81878,7 @@ let TH1Painter$2 = class TH1Painter extends THistPainter {
       else
          hsum += histo.getBinContent(0) + histo.getBinContent(this.nbinsx + 1);
 
-      this.stat_entries = (histo.fEntries > 1) ? histo.fEntries : hsum;
+      this.stat_entries = hsum;
 
       this.hmin = hmin;
       this.hmax = hmax;
@@ -81997,7 +81997,8 @@ let TH1Painter$2 = class TH1Painter extends THistPainter {
             right = this.getSelectIndex('x', 'right'),
             fp = this.getFramePainter(),
             res = { name: histo.fName, meanx: 0, meany: 0, rmsx: 0, rmsy: 0, integral: 0,
-                    entries: this.stat_entries, eff_entries: 0, xmax: 0, wmax: 0, skewx: 0, skewd: 0, kurtx: 0, kurtd: 0 },
+                    entries: (histo.fEntries > 0) ? histo.fEntries : this.stat_entries,
+                    eff_entries: 0, xmax: 0, wmax: 0, skewx: 0, skewd: 0, kurtx: 0, kurtd: 0 },
             has_counted_stat = !fp.isAxisZoomed('x') && (Math.abs(histo.fTsumw) > 1e-300);
       let stat_sumw = 0, stat_sumw2 = 0, stat_sumwx = 0, stat_sumwx2 = 0, stat_sumwy = 0, stat_sumwy2 = 0,
           i, xx = 0, w = 0, xmax = null, wmax = null;
@@ -82345,6 +82346,7 @@ let TH1Painter$2 = class TH1Painter extends THistPainter {
       const draw_markers = show_errors || show_markers,
             draw_any_but_hist = draw_markers || show_text || show_line || show_curve,
             draw_hist = this.options.Hist && (!this.lineatt.empty() || !this.fillatt.empty()),
+            check_sumw2 = show_errors && histo.fSumw2?.length,
             // if there are too many points, exclude many vertical drawings at the same X position
             // instead define min and max value and made min-max drawing
             use_minmax = draw_any_but_hist || ((right - left) > 3*width);
@@ -82375,7 +82377,8 @@ let TH1Painter$2 = class TH1Painter extends THistPainter {
          // just to get correct values for the specified bin
          const extract_bin = bin => {
             bincont = histo.getBinContent(bin+1);
-            if (exclude_zero && (bincont === 0)) return false;
+            if (exclude_zero && (bincont === 0) && (!check_sumw2 || !histo.fSumw2[bin+1]))
+               return false;
             mx1 = Math.round(funcs.grx(xaxis.GetBinLowEdge(bin+1)));
             mx2 = Math.round(funcs.grx(xaxis.GetBinLowEdge(bin+2)));
             midx = Math.round((mx1 + mx2) / 2);
@@ -83561,7 +83564,7 @@ class TH3Painter extends THistPainter {
 
       res.integral = stat_sum0;
 
-      if (histo.fEntries > 1)
+      if (histo.fEntries > 0)
          res.entries = histo.fEntries;
 
       res.eff_entries = stat_sumw2 ? stat_sum0*stat_sum0/stat_sumw2 : Math.abs(stat_sum0);
@@ -165257,9 +165260,6 @@ class RH3Painter extends RHistPainter {
 
       res.integral = stat_sum0;
 
-      if (histo.fEntries > 1)
-         res.entries = histo.fEntries;
-
       return res;
    }