test/VisuPrs/3D_viewer/B0.py

   1 # Copyright (C) 2010-2013  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.
   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 paravis
  28 import time
  29
  30 # Directory for saving snapshots
  31 picturedir = get_picture_dir("3D_viewer/B0")
  32
  33 # Add path separator to the end of picture path if necessery
  34 if not picturedir.endswith(os.sep):
  35     picturedir += os.sep
  36
  37 #import file
  38 myParavis = paravis.myParavis
  39
  40 # Get view
  41 my_view = GetRenderView()
  42 reset_view(my_view)
  43 Render(my_view)
  44
  45 theFileName = datadir + "fra.med"
  46 print " --------------------------------- "
  47 print "file ", theFileName
  48 print " --------------------------------- "
  49
  50 myParavis.ImportFile(theFileName)
  51 proxy = GetActiveSource()
  52 if proxy is None:
  53     raise RuntimeError("Error: can't import file.")
  54 else:
  55     print "OK"
  56
  57 represents = [RepresentationType.POINTS, RepresentationType.WIREFRAME,\
  58 RepresentationType.SURFACE, RepresentationType.VOLUME]
  59 shrinks = [0, 1]
  60 shadings = [0, 1]
  61 opacities = [1.0, 0.5, 0.0]
  62 linewidths = [1.0, 3.0, 10.0]
  63 compare_prec = 0.00001
  64 shrink_filter = None
  65 shrinked_sm = None
  66
  67 field_name = 'VITESSE'
  68
  69 print "\nCreating scalar map.......",
  70 scalar_map = ScalarMapOnField(proxy, EntityType.CELL, field_name, 1)
  71 if scalar_map is None:
  72     raise RuntimeError("Error!!! Presentation wasn't created...")
  73
  74 display_only(scalar_map, my_view)
  75 reset_view(my_view)
  76 Render(my_view)
  77
  78 print "\nChange Presentation Parameters..."
  79
  80
  81 for reprCode in represents:
  82     repr = RepresentationType.get_name(reprCode)
  83     call_and_check(scalar_map, "Representation", repr, 1)
  84     for shr in shrinks:
  85         if shr > 0 and reprCode != RepresentationType.POINTS:
  86             if shrinked_sm is None:
  87                 scalar_map.Visibility = 1
  88                 shrink_filter = Shrink(scalar_map.Input)
  89                 shrinked_sm = GetRepresentation(shrink_filter)
  90                 shrink_filter.ShrinkFactor = 0.8
  91                 shrink_filter.UpdatePipeline()
  92                 shrinked_sm.ColorAttributeType = scalar_map.ColorAttributeType
  93                 shrinked_sm.ColorArrayName = scalar_map.ColorArrayName
  94                 lookup_table = scalar_map.LookupTable
  95                 shrinked_sm.LookupTable = lookup_table
  96
  97             scalar_map.Visibility = 0
  98             shrinked_sm.Representation = scalar_map.Representation
  99             shrinked_sm.Visibility = 1
 100             shape_to_show = shrinked_sm
 101         else:
 102             if shrinked_sm is not None:
 103                 shrinked_sm.Visibility = 0
 104             scalar_map.Visibility = 1
 105             shape_to_show = scalar_map
 106         Render(my_view)
 107
 108         for sha in shadings:
 109             setShaded(my_view, sha)
 110             call_and_check(shape_to_show, "Shading", sha, 1)
 111             Render(my_view)
 112
 113             for opa in opacities:
 114                 call_and_check(shape_to_show, "Opacity", opa, 1, compare_prec)
 115
 116                 for lwi in linewidths:
 117                     call_and_check(shape_to_show, "LineWidth", lwi, 1,
 118                     compare_prec)
 119
 120                     time.sleep(1)
 121                     # save picture in file
 122                     # Construct image file name
 123                     opa = str(opa).replace('.', '')
 124                     lwi = str(lwi).replace('.', '')
 125                     pic_name = picturedir + "params_" + repr + "_" + str(shr) + "_" + \
 126                         str(sha) + "_" + str(opa) + "_" + str(lwi) + "." + pictureext
 127                     # Show and record the presentation
 128                     WriteImage(pic_name, view=my_view, Magnification=1)
 129                     pass
 130                 pass
 131             pass
 132         pass
 133     pass