test/VisuPrs/3D_viewer/B0.py

   1 # Copyright (C) 2010-2016  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/B0 case
  21 # Create 3D Viewer and test set view properties for Scalar Map 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/B0")
  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 theFileName = datadir + "fra.med"
  42 print " --------------------------------- "
  43 print "file ", theFileName
  44 print " --------------------------------- "
  45
  46 OpenDataFile(theFileName)
  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_sm = None
  62
  63 field_name = 'VITESSE'
  64
  65 print "\nCreating scalar map.......",
  66 scalar_map = ScalarMapOnField(proxy, EntityType.NODE, field_name, 1)
  67 if scalar_map is None:
  68     raise RuntimeError("Error!!! Presentation wasn't created...")
  69
  70 display_only(scalar_map, my_view)
  71 reset_view(my_view)
  72 Render(my_view)
  73
  74 print "\nChange Presentation Parameters..."
  75
  76
  77 for reprCode in represents:
  78     repr = RepresentationType.get_name(reprCode)
  79     call_and_check(scalar_map, "Representation", repr, 1)
  80     for shr in shrinks:
  81         if shr > 0 and reprCode != RepresentationType.POINTS:
  82             if shrinked_sm is None:
  83                 scalar_map.Visibility = 1
  84                 shrink_filter = Shrink(scalar_map.Input)
  85                 shrinked_sm = GetRepresentation(shrink_filter)
  86                 shrink_filter.ShrinkFactor = 0.8
  87                 shrink_filter.UpdatePipeline()
  88                 shrinked_sm.ColorArrayName = scalar_map.ColorArrayName[0:2]
  89                 lookup_table = scalar_map.LookupTable
  90                 shrinked_sm.LookupTable = lookup_table
  91
  92             scalar_map.Visibility = 0
  93             shrinked_sm.Representation = scalar_map.Representation
  94             shrinked_sm.Visibility = 1
  95             shape_to_show = shrinked_sm
  96         else:
  97             if shrinked_sm is not None:
  98                 shrinked_sm.Visibility = 0
  99             scalar_map.Visibility = 1
 100             shape_to_show = scalar_map
 101         Render(my_view)
 102
 103         for sha in shadings:
 104             setShaded(my_view, sha)
 105             call_and_check(shape_to_show, "Interpolation", sha, 1)
 106             Render(my_view)
 107
 108             for opa in opacities:
 109                 call_and_check(shape_to_show, "Opacity", opa, 1, compare_prec)
 110
 111                 for lwi in linewidths:
 112                     call_and_check(shape_to_show, "LineWidth", lwi, 1,
 113                     compare_prec)
 114
 115                     time.sleep(1)
 116                     # save picture in file
 117                     # Construct image file name
 118                     opa = str(opa).replace('.', '')
 119                     lwi = str(lwi).replace('.', '')
 120                     pic_name = picturedir + "params_" + repr + "_" + str(shr) + "_" + \
 121                         str(sha) + "_" + str(opa) + "_" + str(lwi) + "." + pictureext
 122                     # Show and record the presentation
 123                     WriteImage(pic_name, view=my_view, Magnification=1)
 124                     pass
 125                 pass
 126             pass
 127         pass
 128     pass