+// Copyright (C) 2016 CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+#include "MEDPyLockWrapper.hxx"
+
#include "MEDPresentationVectorField.hxx"
+#include "MEDPresentationException.hxx"
+
+#include <SALOME_KernelServices.hxx>
+#undef LOG // should be fixed in KERNEL - double definition
+#include <Basics_Utils.hxx>
+
+#include <sstream>
+
+const std::string MEDPresentationVectorField::TYPE_NAME = "MEDPresentationVectorField";
+
+MEDPresentationVectorField::MEDPresentationVectorField(const MEDCALC::VectorFieldParameters& params,
+ const MEDCALC::ViewModeType viewMode) :
+ MEDPresentation(params.fieldHandlerId, TYPE_NAME, viewMode, params.colorMap, params.scalarBarRange), _params(params)
+{
+}
void
MEDPresentationVectorField::internalGeneratePipeline()
{
- PyGILState_STATE _gil_state = PyGILState_Ensure();
-
- std::string cmd = std::string("import pvsimple as pvs;");
- cmd += getRenderViewCommand(_params.viewMode); // define __view1
-
- cmd += std::string("__obj1 = pvs.MEDReader(FileName='") + _fileName + std::string("');");
- cmd += std::string("__disp1 = pvs.Show(__obj1, __view1);");
- cmd += std::string("pvs.ColorBy(__disp1, ('") + _fieldType + std::string("', '") + _fieldName + std::string("'));");
- cmd += std::string("__disp1.SetScalarBarVisibility(__view1, True);");
- cmd += std::string("__disp1.RescaleTransferFunctionToDataRangeOverTime();");
- cmd += std::string("__disp1.SetRepresentationType('3D Glyphs');");
- cmd += std::string("pvs.Render();");
-
- //std::cerr << "Python command:" << std::endl;
- //std::cerr << cmd << std::endl;
- PyRun_SimpleString(cmd.c_str());
- // Retrieve Python object for internal storage:
- PyObject* obj = getPythonObjectFromMain("__obj1");
- PyObject* disp = getPythonObjectFromMain("__disp1");
- pushInternal(obj, disp);
-
- PyGILState_Release(_gil_state);
+ MEDPresentation::internalGeneratePipeline();
+
+ MEDPyLockWrapper lock;
+
+ setOrCreateRenderView();
+ createSource();
+
+ // Populate internal array of available components:
+ fillAvailableFieldComponents();
+ if (getIntProperty(MEDPresentation::PROP_NB_COMPONENTS) <= 1)
+ {
+ const char * msg = "Vector field presentation does not work for scalar field!"; // this message will appear in GUI too
+ STDLOG(msg);
+ throw KERNEL::createSalomeException(msg);
+ }
+
+ std::ostringstream oss;
+ oss << _objVar << " = pvs.Glyph(Input=" << _srcObjVar << ", GlyphType='Arrow');";
+ pushAndExecPyLine(oss.str()); oss.str("");
+
+ showObject(); // to be done first so that the scale factor computation properly works
+
+ oss << _objVar << ".Scalars = ['"<< _fieldType << "', 'None'];";
+ pushAndExecPyLine(oss.str()); oss.str("");
+ oss << _objVar << ".Vectors = ['"<< _fieldType << "', '" << _fieldName << "'];";
+ pushAndExecPyLine(oss.str()); oss.str("");
+ oss << _objVar << ".ScaleMode = 'vector';";
+ pushAndExecPyLine(oss.str()); oss.str("");
+ oss << _objVar << ".GlyphMode = 'All Points';";
+ pushAndExecPyLine(oss.str()); oss.str("");
+// oss << _objVar << "GlyphTransform = 'Transform2';"; // not sure this is really needed?
+// pushAndExecPyLine(oss.str()); oss.str("");
+ oss << _objVar << ".ScaleFactor = 0.1;";
+ pushAndExecPyLine(oss.str()); oss.str("");
+ // Auto-tuning of the scale factor:
+// oss << "import medcalc; medcalc.SetDefaultScaleFactor(active=" << _objVar << ");";
+// pushAndExecPyLine(oss.str()); oss.str("");
+
+ colorBy("POINTS");
+ showScalarBar();
+ rescaleTransferFunction();
+ selectColorMap();
+ resetCameraAndRender();
+}
+
+void
+MEDPresentationVectorField::updatePipeline(const MEDCALC::VectorFieldParameters& params)
+{
+ if (params.fieldHandlerId != _params.fieldHandlerId)
+ throw KERNEL::createSalomeException("Unexpected updatePipeline error! Mismatching fieldHandlerId!");
+
+ if (std::string(params.displayedComponent) != std::string(_params.displayedComponent))
+ updateComponent<MEDPresentationVectorField, MEDCALC::VectorFieldParameters>(std::string(params.displayedComponent));
+ if (params.scalarBarRange != _params.scalarBarRange)
+ updateScalarBarRange<MEDPresentationVectorField, MEDCALC::VectorFieldParameters>(params.scalarBarRange);
+ if (params.colorMap != _params.colorMap)
+ updateColorMap<MEDPresentationVectorField, MEDCALC::VectorFieldParameters>(params.colorMap);
}
