some changes in dataPlot resizing/height adjustments

QtPyLoT.py

@@ -107,6 +107,9 @@ class MainWindow(QMainWindow):
         self.ae_id = None
         self.scroll_id = None
 
+        # default factor for dataplot e.g. enabling/disabling scrollarea
+        self.height_factor = 12
+
         # default colors for ref/test event
         self._colors = {
             'ref': QtGui.QColor(200, 210, 230, 255),
@@ -1090,21 +1093,27 @@ class MainWindow(QMainWindow):
         '''
         Load new data and plot if necessary.
         '''
-        self.loadWaveformDataThread(plot)
+        self.loadWaveformDataThread(plot=plot)
         if plot:
             self._eventChanged[0] = False
     
-    def loadWaveformDataThread(self, plot=True):
+    def loadWaveformDataThread(self, plot=True, load=True):
         '''
-        Generates a modal thread to load waveform data and optionally
-        calls modal plot thread method when finished.
+        Generates a modal thread to load waveform data and
+        call modal plot thread method when finished.
         '''
+        if load:
             wfd_thread = Thread(self, self.loadWaveformData,
                                 progressText='Reading data input...')
-        if plot:
+        if load and plot:
             wfd_thread.finished.connect(self.plotWaveformDataThread)
+
+        if load:
             wfd_thread.start()
 
+        if plot and not load:
+            self.plotWaveformDataThread()
+        
     def loadWaveformData(self):
         '''
         Load waveform data corresponding to current selected event.
@@ -1207,12 +1216,8 @@ class MainWindow(QMainWindow):
         alter_comp = str(alter_comp[0])
         wfst = self.get_data().getWFData().select(component=comp)
         wfst += self.get_data().getWFData().select(component=alter_comp)
-        height_need = len(self.data.getWFData())*12
         plotWidget = self.getPlotWidget()
-        if self.tabs.widget(0).frameSize().height() < height_need:
-            plotWidget.setMinimumHeight(height_need)
-        else:
-            plotWidget.setMinimumHeight(0)
+        self.adjustPlotHeight()        
         plotWidget.plotWFData(wfdata=wfst, title=title, mapping=False)
         plotDict = plotWidget.getPlotDict()
         pos = plotDict.keys()
@@ -1223,6 +1228,14 @@ class MainWindow(QMainWindow):
         except:
             pass
 
+    def adjustPlotHeight(self):
+        height_need = len(self.data.getWFData())*self.height_factor
+        plotWidget = self.getPlotWidget()
+        if self.tabs.widget(0).frameSize().height() < height_need:
+            plotWidget.setMinimumHeight(height_need)
+        else:
+            plotWidget.setMinimumHeight(0)
+    
     def plotZ(self):
         self.setComponent('Z')
         self.plotWaveformDataThread()

pylot/RELEASE-VERSION

@@ -1 +1 @@
-cb91-dirty
+5115-dirty

pylot/core/util/widgets.py

@@ -405,13 +405,11 @@ class WaveformWidget(FigureCanvas):
         self.plotdict = dict()
         # create axes
         self.axes = self.figure.add_subplot(111)
-        # clear axes each time plot is called
-        self.axes.hold(True)
         # initialize super class
         super(WaveformWidget, self).__init__(self.figure)
         # add an cursor for station selection
         self.multiCursor = MultiCursor(self.figure.canvas, (self.axes,),
-                                       horizOn=True,
+                                       horizOn=True, useblit=True,
                                        color='m', lw=1)
         # update labels of the entire widget
         self.updateWidget(xlabel, ylabel, title)