# HG changeset patch
# User Chris Cannam
# Date 1427810978 -3600
# Node ID 692852208b6c992a9b6188e35915e2dbff1f6027
# Parent  14aa33dc2a54c93a3035aa89321129e1a97c8177
Exclude points with freq <= 0Hz on import

diff -r 14aa33dc2a54 -r 692852208b6c src/Analyser.cpp
--- a/src/Analyser.cpp	Tue Mar 31 14:46:40 2015 +0100
+++ b/src/Analyser.cpp	Tue Mar 31 15:09:38 2015 +0100
@@ -848,12 +848,24 @@
                               myLayer->getModel()->getEndFrame());
     myLayer->deleteSelection(sel);
 
-    cerr << "deleted from " << sel.getStartFrame() << " to " << sel.getEndFrame() << endl;
-    
     sel = Selection(otherLayer->getModel()->getStartFrame(),
                     otherLayer->getModel()->getEndFrame());
     otherLayer->copy(m_pane, sel, clip);
 
+    // Remove all pitches <= 0Hz -- we now save absent pitches as 0Hz
+    // values when exporting a pitch track, so we need to exclude them
+    // here when importing again
+    Clipboard::PointList after;
+    int excl = 0;
+    for (auto &p: clip.getPoints()) {
+        if (p.haveValue() && p.getValue() > 0.f) {
+            after.push_back(p);
+        } else {
+            ++excl;
+        }
+    }
+    clip.setPoints(after);
+
     myLayer->paste(m_pane, clip, 0, false);
 }