Freezing plot image during GUI load to avoid unecessary calls to openmc.lib.id_map.

Author: pshriwise

openmc_plotter/main_window.py

@@ -67,6 +67,7 @@ def loadGui(self, use_settings_pkl=True):
 
         # Create plot image
         self.plotIm = PlotImage(self.model, self.frame, self)
+        self.plotIm.frozen = True
         self.frame.setWidget(self.plotIm)
 
         # Dock
@@ -111,9 +112,11 @@ def loadGui(self, use_settings_pkl=True):
         self.statusBar().showMessage('')
 
         # Timer allows GUI to render before plot finishes loading
-        QtCore.QTimer.singleShot(0, self.plotIm.generatePixmap)
+        # QtCore.QTimer.singleShot(0, self.plotIm.generatePixmap)
         QtCore.QTimer.singleShot(0, self.showCurrentView)
 
+        self.plotIm.frozen = False
+
     def event(self, event):
         # use pinch event to update zoom
         if isinstance(event, QGestureEvent):

openmc_plotter/plotgui.py

@@ -437,6 +437,9 @@ def contextMenuEvent(self, event):
         self.menu.exec_(event.globalPos())
 
     def generatePixmap(self, update=False):
+        if self.frozen:
+            return
+
         self.model.generatePlot()
         if update:
             self.updatePixmap()

openmc_plotter/plotmodel.py

@@ -3,6 +3,7 @@
 import copy
 import itertools
 import threading
+import traceback
 
 from PySide2.QtWidgets import QItemDelegate, QColorDialog, QLineEdit, QMessageBox
 from PySide2.QtCore import QAbstractTableModel, QModelIndex, Qt, QSize, QEvent
@@ -184,7 +185,6 @@ def resetColors(self):
 
     def generatePlot(self):
         """ Spawn thread from which to generate new plot image """
-
         t = threading.Thread(target=self.makePlot)
         t.start()
         t.join()