# HG changeset patch
# User Chris Cannam
# Date 1488290854 0
# Node ID c72d78d7890ab018a58851eb706449f383e5da63
# Parent  f7ebb72c5e1240eecd6cf5ce7b6f87d3fda4b8d5
Ensure threshold is equal to minValue; default of 0 is inadequate when minValue < 0 (fixes bug that made all negative values appear black)

diff -r f7ebb72c5e12 -r c72d78d7890a layer/Colour3DPlotLayer.cpp
--- a/layer/Colour3DPlotLayer.cpp	Tue Feb 28 14:06:49 2017 +0000
+++ b/layer/Colour3DPlotLayer.cpp	Tue Feb 28 14:07:34 2017 +0000
@@ -1033,6 +1033,7 @@
             maxValue = minValue + 0.1f;
         }
 
+        cparams.threshold = minValue;
         cparams.minValue = minValue;
         cparams.maxValue = maxValue;