* improve update_lines performance

danielhrisca · Nov 27, 2019 · bb2d67c · bb2d67c
1 parent 6833c2c
commit bb2d67c
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Showing 3 changed files with 23 additions and 2 deletions.
diff --git a/asammdf/gui/widgets/channel_display.py b/asammdf/gui/widgets/channel_display.py
@@ -123,6 +123,9 @@ def update(self):
         self.set_value(self._value)
 
     def set_value(self, value):
+        if self._value == value:
+            return
+
         self._value = value
         if self.ranges and value not in ("", "n.a."):
             for (start, stop), color in self.ranges.items():

diff --git a/asammdf/gui/widgets/plot.py b/asammdf/gui/widgets/plot.py
@@ -811,7 +811,25 @@ def update_lines(self, with_dots=None, force=False):
                     self.view_boxes[i].addItem(curve)
                 else:
                     curve = self.curves[i]
-                    curve.setData(x=t, y=sig.plot_samples)
+
+                    if len(t):
+
+#                    curve.setData(x=t, y=sig.plot_samples)
+                        curve.invalidateBounds()
+                        curve._boundsCache = [
+                             [(1, None), (t[0], t[-1])],
+                             [(1, None), (sig.min, sig.max)]
+                        ]
+
+                        curve.xData = t
+                        curve.yData = sig.plot_samples
+                        curve.path = None
+                        curve.fillPath = None
+                        curve._mouseShape = None
+                        curve.prepareGeometryChange()
+                        curve.informViewBoundsChanged()
+                        curve.update()
+                        curve.sigPlotChanged.emit(curve)
 
                 if sig.enable:
                     curve.show()

diff --git a/asammdf/version.py b/asammdf/version.py
@@ -1,4 +1,4 @@
 # -*- coding: utf-8 -*-
 """ asammdf version module """
 
-__version__ = "5.13.17.dev0"
+__version__ = "5.13.17"