1 // Copyright (C) 2016 CEA/DEN, EDF R&D
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.
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.
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
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #include "MEDPresentationContour.hxx"
22 #include <SALOME_KernelServices.hxx>
23 #undef LOG // should be fixed in KERNEL - double definition
24 #include <Basics_Utils.hxx>
28 const std::string MEDPresentationContour::TYPE_NAME = "MEDPresentationContour";
29 const std::string MEDPresentationContour::PROP_NB_CONTOUR = "nbContour";
31 MEDPresentationContour::MEDPresentationContour(const MEDCALC::ContourParameters& params,
32 const MEDCALC::ViewModeType viewMode) :
33 MEDPresentation(params.fieldHandlerId, TYPE_NAME, viewMode, params.colorMap, params.scalarBarRange),
36 setIntProperty(MEDPresentationContour::PROP_NB_CONTOUR, params.nbContours);
40 MEDPresentationContour::initFieldMeshInfos()
42 MEDPresentation::initFieldMeshInfos();
43 _colorByType = "POINTS";
47 MEDPresentationContour::setNumberContours()
49 std::ostringstream oss;
51 oss << "min_max = " << _srcObjVar << ".PointData.GetArray('" << _fieldName << "').GetRange();";
52 pushAndExecPyLine(oss.str()); oss.str("");
53 oss << "delta = (min_max[1]-min_max[0])/float(" << _params.nbContours << ");";
54 pushAndExecPyLine(oss.str()); oss.str("");
55 oss << _objVar << ".Isosurfaces = [min_max[0]+0.5*delta+i*delta for i in range(" << _params.nbContours << ")];";
56 pushAndExecPyLine(oss.str()); oss.str("");
60 MEDPresentationContour::internalGeneratePipeline()
62 MEDPresentation::internalGeneratePipeline();
64 MEDPyLockWrapper lock;
68 // Populate internal array of available components:
69 fillAvailableFieldComponents();
70 if (getIntProperty(MEDPresentation::PROP_NB_COMPONENTS) > 1)
72 const char * msg = "Contour presentation only works for scalar field!"; // this message will appear in GUI too
74 throw KERNEL::createSalomeException(msg);
76 if (_params.nbContours < 1)
78 const char * mes = "Invalid number of contours!";
80 throw KERNEL::createSalomeException(mes);
83 setOrCreateRenderView(); // instantiate __viewXXX, needs to be after the exception above otherwise previous elements in the view will be hidden.
85 // Contour needs point data:
86 applyCellToPointIfNeeded();
88 std::ostringstream oss;
89 oss << _objVar << " = pvs.Contour(Input=" << _srcObjVar << ");";
90 pushAndExecPyLine(oss.str()); oss.str("");
94 oss << _objVar << ".ContourBy = ['POINTS', '" << _fieldName << "'];";
95 pushAndExecPyLine(oss.str()); oss.str("");
98 oss << _objVar << ".ComputeScalars = 1;";
99 pushAndExecPyLine(oss.str()); oss.str("");
101 // Set number of contours
104 colorBy(); // see initFieldInfo() - necessarily POINTS because of the conversion above
107 rescaleTransferFunction();
108 resetCameraAndRender();
112 MEDPresentationContour::updatePipeline(const MEDCALC::ContourParameters& params)
114 if (params.fieldHandlerId != _params.fieldHandlerId)
115 throw KERNEL::createSalomeException("Unexpected updatePipeline error! Mismatching fieldHandlerId!");
117 if (params.scalarBarRange != _params.scalarBarRange)
118 updateScalarBarRange<MEDPresentationContour, MEDCALC::ContourParameters>(params.scalarBarRange);
119 if (params.colorMap != _params.colorMap)
120 updateColorMap<MEDPresentationContour, MEDCALC::ContourParameters>(params.colorMap);
122 if (params.nbContours != _params.nbContours)
124 if (params.nbContours < 1)
126 const char * mes = "Invalid number of contours!";
128 throw KERNEL::createSalomeException(mes);
130 updateNbContours(params.nbContours);
135 MEDPresentationContour::updateNbContours(const int nbContours)
137 _params.nbContours = nbContours;
140 setIntProperty(MEDPresentationContour::PROP_NB_CONTOUR, nbContours);
142 // Update the pipeline:
144 MEDPyLockWrapper lock;
146 pushAndExecPyLine("pvs.Render();");