FIX: brokenbarh math before units

jklymak · jklymak · commit 01f85af3072b · 2018-11-27T15:33:06.000-08:00
diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
@@ -2525,10 +2525,16 @@ def broken_barh(self, xranges, yrange, **kwargs):
         self._process_unit_info(xdata=xdata,
                                 ydata=ydata,
                                 kwargs=kwargs)
-        xranges = self.convert_xunits(xranges)
+        xnew = []
+        for xr in xranges:
+            # convert the absolute values, not the x and dx...
+            xnew.append([self.convert_xunits(xr[0]),
+                         self.convert_xunits(xr[0]+xr[1])])
+            xnew[-1][1] = xnew[-1][1] - xnew[-1][0]
+
         yrange = self.convert_yunits(yrange)
 
-        col = mcoll.BrokenBarHCollection(xranges, yrange, **kwargs)
+        col = mcoll.BrokenBarHCollection(xnew, yrange, **kwargs)
         self.add_collection(col, autolim=True)
         self.autoscale_view()
 
