From 578f5e49dd5fb687a6db12774e874474021f3bed Mon Sep 17 00:00:00 2001
From: William Joye <wjoye@cfa.harvard.edu>
Date: Fri, 22 Mar 2019 15:07:24 -0400
Subject: partial backout of zero value logscale merge

---
 generic/tkbltGrAxis.C | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/generic/tkbltGrAxis.C b/generic/tkbltGrAxis.C
index be3e995..7c84593 100644
--- a/generic/tkbltGrAxis.C
+++ b/generic/tkbltGrAxis.C
@@ -1129,7 +1129,7 @@ double Axis::invVMap(double y)
 double Axis::hMap(double x)
 {
   AxisOptions* ops = (AxisOptions*)ops_;
-  if (ops->logScale) {
+  if ((ops->logScale) && (x != 0.0)) {
     x = log10(fabs(x));
   }
   /* Map graph coordinate to normalized coordinates [0..1] */
@@ -1143,7 +1143,7 @@ double Axis::hMap(double x)
 double Axis::vMap(double y)
 {
   AxisOptions* ops = (AxisOptions*)ops_;
-  if (ops->logScale) {
+  if ((ops->logScale) && (y != 0.0)) {
     y = log10(fabs(y));
   }
   /* Map graph coordinate to normalized coordinates [0..1] */
-- 
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