# HG changeset patch
# User Chris Cannam
# Date 1485432243 0
# Node ID 3ef162c9df008d4e66f8a35ad5312ec38eb4ffc9
# Parent  eaab8bab352252e8c88fec6e91a6426a39557bfa
Randomise start offset for partial paints, it looks (I think) a little better

diff -r eaab8bab3522 -r 3ef162c9df00 layer/Colour3DPlotRenderer.cpp
--- a/layer/Colour3DPlotRenderer.cpp	Thu Jan 26 11:55:11 2017 +0000
+++ b/layer/Colour3DPlotRenderer.cpp	Thu Jan 26 12:04:03 2017 +0000
@@ -218,7 +218,8 @@
             int peakCacheIndex = -1, binsPerPeak = -1;
             getPreferredPeakCache(v, peakCacheIndex, binsPerPeak);
             if (peakCacheIndex == -1) { // no peak cache
-                x0 = int(x1 * 0.3);
+                double offset = 0.5 * (double(rand()) / double(RAND_MAX));
+                x0 = int(x1 * offset);
             }
         }
     }