From a562d2f73b3fe2656a5ce86f1f3102b74f823291 Mon Sep 17 00:00:00 2001
From: Mark Liversedge <liversedge@gmail.com>
Date: Sat, 6 Aug 2011 11:48:18 +0100
Subject: [PATCH] Fix LogY Intervals on Histogram

The LogY function for histograms was overlooked
when implementing intervals. The baseline and
start/end values of the interval curve needed to
be set to non-zero values to match the main curve.

Fixes #396.
---
 src/PowerHist.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/PowerHist.cpp b/src/PowerHist.cpp
index 9565eb25c..081616494 100644
--- a/src/PowerHist.cpp
+++ b/src/PowerHist.cpp
@@ -594,8 +594,10 @@ PowerHist::recalc()
             }
         }
         totalTime[i] = 1e-9;       // nonzero to accomodate log plot
+        totalTimeSelected[i] = 1e-9;
         parameterValue[i] = i * delta * binw;
         totalTime[0] = 1e-9;
+        totalTimeSelected[0] = 1e-9;
         parameterValue[0] = 0;
 
         // convert vectors from absolute time to percentage
@@ -971,12 +973,14 @@ PowerHist::setlnY(bool value)
     if (lny && selected != wattsZone && selected != hrZone)
     {
         setAxisScaleEngine(yLeft, new QwtLog10ScaleEngine);
-	curve->setBaseline(1e-6);
+	    curve->setBaseline(1e-6);
+	    curveSelected->setBaseline(1e-6);
     }
     else
     {
         setAxisScaleEngine(yLeft, new QwtLinearScaleEngine);
-	curve->setBaseline(0);
+	    curve->setBaseline(0);
+	    curveSelected->setBaseline(0);
     }
     setYMax();
     replot();