test/VisuPrs/3D_viewer/A5.py

   1 # Copyright (C) 2010-2015  CEA/DEN, EDF R&D
   2 #
   3 # This library is free software; you can redistribute it and/or
   4 # modify it under the terms of the GNU Lesser General Public
   5 # License as published by the Free Software Foundation; either
   6 # version 2.1 of the License, or (at your option) any later version.
   7 #
   8 # This library is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 # Lesser General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU Lesser General Public
  14 # License along with this library; if not, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 #
  17 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 #
  19
  20 # This case corresponds to: /visu/3D_viewer/A5 case
  21 # Create 3D Viewer and test set view properties for Deformed Shape presentation
  22 # Author:       POLYANSKIKH VERA
  23 from paravistest import *
  24 from presentations import *
  25 from pvsimple import *
  26 import sys
  27 import time
  28
  29 # Directory for saving snapshots
  30 picturedir = get_picture_dir("3D_viewer/A5")
  31
  32 # Add path separator to the end of picture path if necessery
  33 if not picturedir.endswith(os.sep):
  34     picturedir += os.sep
  35
  36 # Get view
  37 my_view = GetRenderView()
  38 reset_view(my_view)
  39 Render(my_view)
  40
  41 file_name = datadir + "cube_hexa8_quad4.med"
  42 print " --------------------------------- "
  43 print "file ", file_name
  44 print " --------------------------------- "
  45
  46 OpenDataFile(file_name)
  47 proxy = GetActiveSource()
  48 if proxy is None:
  49     raise RuntimeError("Error: can't import file.")
  50 else:
  51     print "OK"
  52
  53 represents = [RepresentationType.POINTS, RepresentationType.WIREFRAME,\
  54 RepresentationType.SURFACE, RepresentationType.VOLUME]
  55 shrinks = [0, 1]
  56 shadings = ["Flat", "Gouraud"]
  57 opacities = [1.0, 0.5, 0.0]
  58 linewidths = [1.0, 3.0, 10.0]
  59 compare_prec = 0.00001
  60 shrink_filter = None
  61 shrinked_ds = None
  62
  63 field_name = 'fieldcelldouble'
  64
  65 print "\nCreating deformed shape.......",
  66 ds = DeformedShapeOnField(proxy, EntityType.CELL,
  67 field_name, 1, scale_factor=0.5, is_colored=True)
  68 if ds is None:
  69     raise RuntimeError("Error!!! Presentation wasn't created...")
  70
  71 display_only(ds, my_view)
  72 reset_view(my_view)
  73 Render(my_view)
  74
  75 print "\nChange Presentation Parameters..."
  76
  77
  78 for reprCode in represents:
  79     repr = RepresentationType.get_name(reprCode)
  80     call_and_check(ds, "Representation", repr, 1)
  81     for shr in shrinks:
  82         if shr > 0 and reprCode != RepresentationType.POINTS:
  83             if shrinked_ds is None:
  84                 ds.Visibility = 1
  85                 shrink_filter = Shrink(ds.Input)
  86                 shrink_filter.ShrinkFactor = 0.8
  87                 shrink_filter.UpdatePipeline()
  88                 shrinked_ds = GetRepresentation(shrink_filter)
  89                 shrinked_ds.ColorArrayName = ds.ColorArrayName[0:2]
  90                 shrinked_ds.LookupTable = ds.LookupTable
  91             ds.Visibility = 0
  92             shrinked_ds.Representation = ds.Representation
  93             shape_to_show = shrinked_ds
  94         else:
  95             if shrinked_ds is not None:
  96                 shrinked_ds.Visibility = 0
  97             shape_to_show = ds
  98         shape_to_show.Visibility = 1
  99         Render(my_view)
 100
 101         for sha in shadings:
 102             setShaded(my_view, sha)
 103             call_and_check(shape_to_show, "Interpolation", sha, 1)
 104             Render(my_view)
 105
 106             for opa in opacities:
 107                 call_and_check(shape_to_show, "Opacity", opa, 1, compare_prec)
 108
 109                 for lwi in linewidths:
 110                     call_and_check(shape_to_show, "LineWidth", lwi, 1,
 111                     compare_prec)
 112
 113                     time.sleep(1)
 114                     # save picture in file
 115                     # Construct image file name
 116                     pic_name = picturedir + "params_" + repr.replace(' ', '_') + "_" + str(shr) + "_" +  \
 117                         str(sha) + "_" + str(opa) + "_" + str(lwi) + "." + pictureext
 118                     # Show and record the presentation
 119                     WriteImage(pic_name, view=my_view, Magnification=1)
 120                     pass
 121                 pass
 122             pass
 123         pass
 124     pass