Changeset fef38e8 in sasview for src/sas/qtgui/Calculators/GenericScatteringCalculator.py

Timestamp:

Sep 13, 2017 4:24:34 AM (7 years ago)

Author:

Piotr Rozyczko <rozyczko@…>

Branches:

ESS_GUI, ESS_GUI_Docs, ESS_GUI_batch_fitting, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_iss879, ESS_GUI_iss959, ESS_GUI_opencl, ESS_GUI_ordering, ESS_GUI_sync_sascalc

Children:

3c8242c

Parents:

9909967

Message:

Startup time improvements - hiding expensive imports and such

File:

• src/sas/qtgui/Calculators/GenericScatteringCalculator.py (modified) (3 diffs)

src/sas/qtgui/Calculators/GenericScatteringCalculator.py

@@ -8 +8 @@
 from PyQt4 import QtCore
 from twisted.internet import threads
-from mpl_toolkits.mplot3d import Axes3D
 
 import sas.qtgui.Utilities.GuiUtils as GuiUtils
-
 from sas.qtgui.Utilities.GenericReader import GenReader
-
 from sas.sascalc.dataloader.data_info import Detector
 from sas.sascalc.dataloader.data_info import Source
 from sas.sascalc.calculator import sas_gen
-
-from sas.qtgui.Plotting.Arrow3D import Arrow3D
 from sas.qtgui.Plotting.PlotterBase import PlotterBase
 from sas.qtgui.Plotting.Plotter2D import Plotter2D
 from sas.qtgui.Plotting.Plotter import Plotter
+
 from sas.qtgui.Plotting.PlotterData import Data1D
 from sas.qtgui.Plotting.PlotterData import Data2D
@@ -704 +700 @@
         if data is None:
             return
+        # This import takes forever - place it here so the main UI starts faster
+        from mpl_toolkits.mplot3d import Axes3D
         color_dic = {'H': 'blue', 'D': 'purple', 'N': 'orange',
                      'O': 'red', 'C': 'green', 'P': 'cyan', 'Other': 'k'}
@@ -781 +779 @@
         if has_arrow and len(pos_x) > 0:
             def _draw_arrow(input=None, update=None):
+                # import moved here for performance reasons
+                from sas.qtgui.Plotting.Arrow3D import Arrow3D
                 """
                 draw magnetic vectors w/arrow