test/VisuPrs/3D_viewer/A6.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/A6 case
  21 # Create 3D Viewer and test set view properties for Scalar Map on
  22 # Deformed Shape presentation
  23 # Author:       POLYANSKIKH VERA
  24 from paravistest import *
  25 from presentations import *
  26 from pvsimple import *
  27 import sys
  28 import time
  29
  30 # Directory for saving snapshots
  31 picturedir = get_picture_dir("3D_viewer/A6")
  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 # Get view
  38 my_view = GetRenderView()
  39 reset_view(my_view)
  40 Render(my_view)
  41
  42 file_name = datadir + "cube_hexa8_quad4.med"
  43 print " --------------------------------- "
  44 print "file ", file_name
  45 print " --------------------------------- "
  46
  47 OpenDataFile(file_name)
  48 proxy = GetActiveSource()
  49 if proxy is None:
  50     raise RuntimeError("Error: can't import file.")
  51 else:
  52     print "OK"
  53
  54 represents = [RepresentationType.POINTS, RepresentationType.WIREFRAME,
  55 RepresentationType.SURFACE, RepresentationType.VOLUME]
  56 shrinks = [0, 1]
  57 shadings = ["Flat", "Gouraud"]
  58 opacities = [1.0, 0.5, 0.0]
  59 linewidths = [1.0, 3.0, 10.0]
  60 compare_prec = 0.00001
  61 shrink_filter = None
  62 shr_sm_on_ds = None
  63
  64 field_name = 'fieldcelldouble'
  65
  66 print "\nCreating scalar map on deformed shape.......",
  67 sm_on_ds = DeformedShapeAndScalarMapOnField(proxy, EntityType.CELL,
  68 field_name, 1, scale_factor=0.2)
  69 if sm_on_ds is None:
  70     raise RuntimeError("Error!!! Presentation wasn't created...")
  71
  72 display_only(sm_on_ds, my_view)
  73 reset_view(my_view)
  74 Render(my_view)
  75
  76 print "\nChange Presentation Parameters..."
  77
  78
  79 for reprCode in represents:
  80     repr = RepresentationType.get_name(reprCode)
  81     call_and_check(sm_on_ds, "Representation", repr, 1)
  82     for shr in shrinks:
  83         if shr > 0 and reprCode != RepresentationType.POINTS:
  84             if shr_sm_on_ds is None:
  85                 sm_on_ds.Visibility = 1
  86                 shrink_filter = Shrink(sm_on_ds.Input)
  87                 shrink_filter.ShrinkFactor = 0.8
  88                 shrink_filter.UpdatePipeline()
  89                 shr_sm_on_ds = GetRepresentation(shrink_filter)
  90                 shr_sm_on_ds.ColorArrayName = sm_on_ds[0:2]
  91                 shr_sm_on_ds.LookupTable = sm_on_ds.LookupTable
  92             sm_on_ds.Visibility = 0
  93             shr_sm_on_ds.Representation = sm_on_ds.Representation
  94             shape_to_show = shr_sm_on_ds
  95         else:
  96             if shr_sm_on_ds is not None:
  97                 shr_sm_on_ds.Visibility = 0
  98             shape_to_show = sm_on_ds
  99         shape_to_show.Visibility = 1
 100         Render(my_view)
 101
 102         for sha in shadings:
 103             setShaded(my_view, sha)
 104             call_and_check(shape_to_show, "Interpolation", sha, 1)
 105             Render(my_view)
 106
 107             for opa in opacities:
 108                 call_and_check(shape_to_show, "Opacity", opa, 1, compare_prec)
 109
 110                 for lwi in linewidths:
 111                     call_and_check(shape_to_show, "LineWidth", lwi, 1,
 112                     compare_prec)
 113
 114                     time.sleep(1)
 115                     # save picture in file
 116                     # Construct image file name
 117                     pic_name = picturedir + "params_" + repr.replace(' ', '_') + "_" + str(shr) + "_" +  \
 118                         str(sha) + "_" + str(opa) + "_" + str(lwi) + "." + pictureext
 119                     # Show and record the presentation
 120                     WriteImage(pic_name, view=my_view, Magnification=1)
 121                     pass
 122                 pass
 123             pass
 124         pass
 125     pass