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salome-paravis  6.5.0
A5.py
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00001 # Copyright (C) 2010-2012  CEA/DEN, EDF R&D
00002 #
00003 # This library is free software; you can redistribute it and/or
00004 # modify it under the terms of the GNU Lesser General Public
00005 # License as published by the Free Software Foundation; either
00006 # version 2.1 of the License.
00007 #
00008 # This library is distributed in the hope that it will be useful,
00009 # but WITHOUT ANY WARRANTY; without even the implied warranty of
00010 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011 # Lesser General Public License for more details.
00012 #
00013 # You should have received a copy of the GNU Lesser General Public
00014 # License along with this library; if not, write to the Free Software
00015 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
00016 #
00017 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
00018 #
00019 
00020 # This case corresponds to: /visu/3D_viewer/A5 case
00021 # Create 3D Viewer and test set view properties for Deformed Shape presentation
00022 # Author:       POLYANSKIKH VERA
00023 from paravistest import *
00024 from presentations import *
00025 from pvsimple import *
00026 import sys
00027 import paravis
00028 import time
00029 
00030 # Directory for saving snapshots
00031 picturedir = get_picture_dir(sys.argv[1], "3D_viewer/A5")
00032 
00033 # Add path separator to the end of picture path if necessery
00034 if not picturedir.endswith(os.sep):
00035     picturedir += os.sep
00036 
00037 #import file
00038 myParavis = paravis.myParavis
00039 
00040 # Get view
00041 my_view = GetRenderView()
00042 reset_view(my_view)
00043 Render(my_view)
00044 
00045 file_name = datadir + "cube_hexa8_quad4.med"
00046 print " --------------------------------- "
00047 print "file ", file_name
00048 print " --------------------------------- "
00049 
00050 myParavis.ImportFile(file_name)
00051 proxy = GetActiveSource()
00052 if proxy is None:
00053     raise RuntimeError("Error: can't import file.")
00054 else:
00055     print "OK"
00056 
00057 represents = [RepresentationType.POINTS, RepresentationType.WIREFRAME,\
00058 RepresentationType.SURFACE, RepresentationType.VOLUME]
00059 shrinks = [0, 1]
00060 shadings = [0, 1]
00061 opacities = [1.0, 0.5, 0.0]
00062 linewidths = [1.0, 3.0, 10.0]
00063 compare_prec = 0.00001
00064 shrink_filter = None
00065 shrinked_ds = None
00066 
00067 field_name = 'fieldcelldouble'
00068 
00069 print "\nCreating deformed shape.......",
00070 ds = DeformedShapeOnField(proxy, EntityType.CELL,
00071 field_name, 1, scale_factor=0.5, is_colored=True)
00072 if ds is None:
00073     raise RuntimeError("Error!!! Presentation wasn't created...")
00074 
00075 display_only(ds, my_view)
00076 reset_view(my_view)
00077 Render(my_view)
00078 
00079 print "\nChange Presentation Parameters..."
00080 
00081 
00082 for reprCode in represents:
00083     repr = RepresentationType.get_name(reprCode)
00084     call_and_check(ds, "Representation", repr, 1)
00085     for shr in shrinks:
00086         if shr > 0 and reprCode != RepresentationType.POINTS:
00087             if shrinked_ds is None:
00088                 ds.Visibility = 1
00089                 shrink_filter = Shrink(ds.Input)
00090                 shrink_filter.ShrinkFactor = 0.8
00091                 shrink_filter.UpdatePipeline()
00092                 shrinked_ds = GetRepresentation(shrink_filter)
00093                 shrinked_ds.ColorAttributeType = ds.ColorAttributeType
00094                 shrinked_ds.ColorArrayName = ds.ColorArrayName
00095                 shrinked_ds.LookupTable = ds.LookupTable
00096             ds.Visibility = 0
00097             shrinked_ds.Representation = ds.Representation
00098             shape_to_show = shrinked_ds
00099         else:
00100             if shrinked_ds is not None:
00101                 shrinked_ds.Visibility = 0
00102             shape_to_show = ds
00103         shape_to_show.Visibility = 1
00104         Render(my_view)
00105 
00106         for sha in shadings:
00107             setShaded(my_view, sha)
00108             call_and_check(shape_to_show, "Shading", sha, 1)
00109             Render(my_view)
00110 
00111             for opa in opacities:
00112                 call_and_check(shape_to_show, "Opacity", opa, 1, compare_prec)
00113 
00114                 for lwi in linewidths:
00115                     call_and_check(shape_to_show, "LineWidth", lwi, 1,
00116                     compare_prec)
00117 
00118                     time.sleep(1)
00119                     # save picture in file
00120                     # Construct image file name
00121                     pic_name = picturedir + "params_" + repr.replace(' ', '_') + "_" + str(shr) + "_" +  \
00122                         str(sha) + "_" + str(opa) + "_" + str(lwi) + "." + pictureext
00123                     # Show and record the presentation
00124                     WriteImage(pic_name, view=my_view, Magnification=1)
00125                     pass
00126                 pass
00127             pass
00128         pass
00129     pass