Added y-axis label.

jetperch · Feb 13, 2019 · fd83699 · fd83699
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diff --git a/features_future.md b/features_future.md
@@ -62,7 +62,6 @@ will be implemented before Joulescope general availability.
 
 ### Oscilloscope
 
-*   Add y-axis label (voltage, current)
 *   Add x-axis label (or at least some tool-tip / hover text)
 *   Make the y-axis autoranging less confusing.  You lose context on the
     discrete jumps.  Perhaps animate the transition?
@@ -84,7 +83,6 @@ will be implemented before Joulescope general availability.
     and a box with the view being displayed.
 *   The zoom & pan controls are improved, but still not intuitive.  Explore
     alternatives, including a survey of other products, to see what works.
-*   Add power plot
 
 
 ### Frequency analysis

diff --git a/joulescope_ui/oscilloscope.py b/joulescope_ui/oscilloscope.py
@@ -267,6 +267,8 @@ def __init__(self, parent, field):
         self.plot.disableAutoRange()
         self.plot.hideButtons()
         self.plot.setXRange(0.0, 1.0)
+        # The label automatically causes SI unit ranging with a prefix
+        self.plot.setLabel('left', text=field, units=self._units)
 
         parent.addDockWidget(QtCore.Qt.RightDockWidgetArea, self.widget)
         self._pen_min_max = pg.mkPen(color=(255, 64, 64), width=CURVE_WIDTH)