Fix: PlotCurveItem now ignores clip-to-view when auto-range is enabled.

CHANGELOG

@@ -41,6 +41,7 @@ pyqtgraph-0.9.9  [unreleased]
     - PolyLineROI.setPen() now changes the pen of its segments as well
     - Prevent divide-by-zero in AxisItem
     - Major speedup when using ScatterPlotItem in pxMode
+    - PlotCurveItem ignores clip-to-view when auto range is enabled
 
 pyqtgraph-0.9.8  2013-11-24
 

pyqtgraph/graphicsItems/PlotDataItem.py

@@ -531,15 +531,17 @@ class PlotDataItem(GraphicsObject):
                     ## downsampling is expensive; delay until after clipping.
             
             if self.opts['clipToView']:
-                # this option presumes that x-values have uniform spacing
-                range = self.viewRect()
-                if range is not None:
-                    dx = float(x[-1]-x[0]) / (len(x)-1)
-                    # clip to visible region extended by downsampling value
-                    x0 = np.clip(int((range.left()-x[0])/dx)-1*ds , 0, len(x)-1)
-                    x1 = np.clip(int((range.right()-x[0])/dx)+2*ds , 0, len(x)-1)
-                    x = x[x0:x1]
-                    y = y[x0:x1]
+                view = self.getViewBox()
+                if view is None or not view.autoRangeEnabled()[0]:
+                    # this option presumes that x-values have uniform spacing
+                    range = self.viewRect()
+                    if range is not None:
+                        dx = float(x[-1]-x[0]) / (len(x)-1)
+                        # clip to visible region extended by downsampling value
+                        x0 = np.clip(int((range.left()-x[0])/dx)-1*ds , 0, len(x)-1)
+                        x1 = np.clip(int((range.right()-x[0])/dx)+2*ds , 0, len(x)-1)
+                        x = x[x0:x1]
+                        y = y[x0:x1]
                     
             if ds > 1:
                 if self.opts['downsampleMethod'] == 'subsample':