diff --git a/sleepyhead/Graphs/gGraphView.cpp b/sleepyhead/Graphs/gGraphView.cpp
index faf5e454..9e073fb6 100644
--- a/sleepyhead/Graphs/gGraphView.cpp
+++ b/sleepyhead/Graphs/gGraphView.cpp
@@ -357,10 +357,11 @@ gGraphView::gGraphView(QWidget *parent, gGraphView *shared)
     snap_action = context_menu->addAction(QString(), this, SLOT(onSnapshotGraphToggle()));
     context_menu->addSeparator();
 
-    QAction * action = context_menu->addAction(tr("100% zoom level"), this, SLOT(resetZoom()));
-    action->setToolTip(tr("Restore X-axis zoom too 100% to view entire days data."));
 
-    action = context_menu->addAction(tr("Reset Graph Layout"), this, SLOT(resetLayout()));
+    zoom100_action = context_menu->addAction(tr("100% zoom level"), this, SLOT(resetZoom()));
+    zoom100_action->setToolTip(tr("Restore X-axis zoom too 100% to view entire days data."));
+
+    QAction * action = context_menu->addAction(tr("Reset Graph Layout"), this, SLOT(resetLayout()));
     action->setToolTip(tr("Resets all graphs to a uniform height and default order."));
 
     context_menu->addSeparator();
@@ -1836,12 +1837,15 @@ void gGraphView::populateMenu(gGraph * graph)
 {
     QAction * action;
 
+
     if (graph->isSnapshot()) {
         snap_action->setText(tr("Remove Snapshot"));
         snap_action->setData(graph->name()+"|remove");
+       // zoom100_action->setVisible(false);
     } else {
         snap_action->setText(tr("Snapshot Graph"));
         snap_action->setData(graph->name()+"|snapshot");
+      //  zoom100_action->setVisible(true);
     }
 
 
diff --git a/sleepyhead/Graphs/gGraphView.h b/sleepyhead/Graphs/gGraphView.h
index c169148e..294c06f4 100644
--- a/sleepyhead/Graphs/gGraphView.h
+++ b/sleepyhead/Graphs/gGraphView.h
@@ -644,6 +644,8 @@ class gGraphView
 
     QAction * snap_action;
 
+    QAction * zoom100_action;
+
   signals:
     void updateCurrentTime(double);
     void updateRange(double,double);
diff --git a/sleepyhead/Graphs/gSegmentChart.cpp b/sleepyhead/Graphs/gSegmentChart.cpp
index 71f928a3..fe95a183 100644
--- a/sleepyhead/Graphs/gSegmentChart.cpp
+++ b/sleepyhead/Graphs/gSegmentChart.cpp
@@ -124,7 +124,7 @@ void gSegmentChart::paint(QPainter &painter, gGraph &w, const QRegion &region)
             const QColor col = schema::channel[m_codes[m]].defaultColor();
 
             // length of this segment in degrees
-            float len = 360.0 / float(m_total) * float(data);
+            float len = 360.0 / m_total * data;
 
             // Setup the shiny radial gradient
 
@@ -136,16 +136,26 @@ void gSegmentChart::paint(QPainter &painter, gGraph &w, const QRegion &region)
             gradient.setColorAt(0, Qt::white);
             gradient.setColorAt(1, col);
 
+
             // draw filled pie
             painter.setBrush(gradient);
             painter.setBackgroundMode(Qt::OpaqueMode);
-            painter.drawPie(pierect, -sum * 16.0, -len * 16.0);
+            if (m_total == data) {
+                painter.drawEllipse(pierect);
+            } else {
+                painter.drawPie(pierect, -sum * 16.0, -len * 16.0);
+            }
 
             // draw outline
             painter.setBackgroundMode(Qt::TransparentMode);
             painter.setBrush(QBrush(col,Qt::NoBrush));
             painter.setPen(QPen(QColor(Qt::black),1.5));
-            painter.drawPie(pierect, -sum * 16.0, -len * 16.0);
+
+            if (m_total == data) {
+                painter.drawEllipse(pierect);
+            } else {
+                painter.drawPie(pierect, -sum * 16.0, -len * 16.0);
+            }
 
 
             // Draw text labels if they fit