+// Copyright (C) 2016-2022 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 "MEDPresentationContour.hxx"
-#include "MEDFactoryClient.hxx"
+
+#include <SALOME_KernelServices.hxx>
+#undef LOG // should be fixed in KERNEL - double definition
+#include <Basics_Utils.hxx>
+
+#include <sstream>
+
+const std::string MEDPresentationContour::TYPE_NAME = "MEDPresentationContour";
+const std::string MEDPresentationContour::PROP_NB_CONTOUR = "nbContour";
+const std::string MEDPresentationContour::PROB_CONTOUR_COMPONENT_ID = "contourComponent";
+
+MEDPresentationContour::MEDPresentationContour(const MEDCALC::ContourParameters& params,
+ const MEDCALC::ViewModeType viewMode) :
+ MEDPresentation(params.fieldHandlerId, TYPE_NAME, viewMode, params.colorMap, params.scalarBarRange),
+ _params(params)
+{
+ setIntProperty(MEDPresentationContour::PROP_NB_CONTOUR, params.nbContours);
+ setIntProperty(MEDPresentationContour::PROB_CONTOUR_COMPONENT_ID, 0);
+ std::stringstream oss;
+ oss << "__contourProgrammable" << GeneratePythonId();
+ _countourProgrammableVar = oss.str();
+}
+
+void
+MEDPresentationContour::initProgFilter() {
+ std::ostringstream oss;
+ std::string typ = "PointData"; // Contour Filter is applicable only to Point Data
+ oss << _countourProgrammableVar << " = pvs.ProgrammableFilter(Input = " << _srcObjVar << ");";
+ oss << _countourProgrammableVar << ".Script = \"\"\"import numpy as np" << std::endl;
+ oss << "import paraview.vtk.numpy_interface.dataset_adapter as dsa" << std::endl;
+ oss << "input0 = inputs[0]" << std::endl;
+ oss << "inputDataArray=input0." << typ << "['" << _fieldName << "']" << std::endl;
+ oss << "npa = inputDataArray.GetArrays()" << std::endl;
+ oss << "if type(npa) == list:" << std::endl;
+ oss << "\tarrs = []" << std::endl;
+ oss << "\tfor a in npa:" << std::endl;
+ oss << "\t\tmgm = np.linalg.norm(a, axis = -1)" << std::endl;
+ oss << "\t\tmga = mgm.reshape(mgm.size, 1)" << std::endl;
+ oss << "\t\tarrs.append(mga)" << std::endl;
+ oss << "\tca = dsa.VTKCompositeDataArray(arrs)" << std::endl;
+ oss << "\toutput." << typ << ".append(ca, '" << _fieldName << "_magnitude')" << std::endl;
+ oss << "else:" << std::endl;
+ oss << "\tmgm = np.linalg.norm(npa, axis = -1)" << std::endl;
+ oss << "\tmga = mgm.reshape(mgm.size, 1)" << std::endl;
+ oss << "\toutput." << typ << ".append(mga, '" << _fieldName << "_magnitude')" << std::endl;
+ for (std::vector<std::string>::size_type ii = 1; ii < _nbComponents + 1 ; ii++) {
+ oss << "dataArray" << ii << " = inputDataArray[:, [" << ii - 1 << "]]" << std::endl;
+ oss << "output." << typ << ".append(dataArray" << ii << ", '" << _fieldName << "_" << ii << "')" << std::endl;
+ }
+ oss << "\"\"\"" << std::endl;
+ pushAndExecPyLine(oss.str());
+}
+
+void
+MEDPresentationContour::initFieldMeshInfos()
+{
+ MEDPresentation::initFieldMeshInfos();
+ _colorByType = "POINTS";
+}
+
+void
+MEDPresentationContour::setNumberContours()
+{
+ std::ostringstream oss;
+ std::string aVar = _srcObjVar;
+ if (_nbComponents > 1) {
+ aVar = _countourProgrammableVar;
+ }
+
+ oss << "min_max = " << aVar << ".PointData.GetArray('" << getContourComponentName() << "').GetRange();";
+ pushAndExecPyLine(oss.str()); oss.str("");
+ oss << "delta = (min_max[1]-min_max[0])/float(" << _params.nbContours << ");";
+ pushAndExecPyLine(oss.str()); oss.str("");
+ oss << _objVar << ".Isosurfaces = [min_max[0]+0.5*delta+i*delta for i in range(" << _params.nbContours << ")];";
+ pushAndExecPyLine(oss.str()); oss.str("");
+}
void
MEDPresentationContour::internalGeneratePipeline()
{
+ MEDPresentation::internalGeneratePipeline();
+
+ MEDPyLockWrapper lock;
+
+ createSource();
+ setTimestamp();
+
+ // Populate internal array of available components:
+ fillAvailableFieldComponents();
+ if (_params.nbContours < 1)
+ {
+ const char * mes = "Invalid number of contours!";
+ STDLOG(mes);
+ throw KERNEL::createSalomeException(mes);
+ }
+ setOrCreateRenderView(); // instantiate __viewXXX, needs to be after the exception above otherwise previous elements in the view will be hidden.
+
+ // Contour needs point data:
+ applyCellToPointIfNeeded();
+ std::ostringstream oss;
+
+ // Calculate component
+ if (_nbComponents > 1)
+ {
+ pushAndExecPyLine(oss.str()); oss.str("");
+ initProgFilter();
+ _nbComponentsInThresholdInput = 1; // Because we extract all components as a separate array usign Programmable Filter
+ _selectedComponentIndex = 0;
+ oss << _objVar << " = pvs.Contour(Input=" << _countourProgrammableVar << ");";
+ pushAndExecPyLine(oss.str()); oss.str("");
+
+ oss << _objVar << ".ContourBy = ['POINTS', '" << _fieldName << "_magnitude" << "'];";
+ pushAndExecPyLine(oss.str());
+ }
+ else
+ {
+ oss << _objVar << " = pvs.Contour(Input=" << _srcObjVar << ");";
+ pushAndExecPyLine(oss.str()); oss.str("");
+
+ oss << _objVar << ".ContourBy = ['POINTS', '" << _fieldName << "'];";
+ pushAndExecPyLine(oss.str()); oss.str("");
+ }
+
+ // Colorize contour
+ oss << _objVar << ".ComputeScalars = 1;";
+ pushAndExecPyLine(oss.str()); oss.str("");
+
+ // Set number of contours
+ setNumberContours();
+
+ showObject();
+ colorBy();
+ showScalarBar();
+ selectColorMap();
+ rescaleTransferFunction();
+ resetCameraAndRender();
+}
+
+void
+MEDPresentationContour::updatePipeline(const MEDCALC::ContourParameters& params)
+{
+ if (params.fieldHandlerId != _params.fieldHandlerId)
+ throw KERNEL::createSalomeException("Unexpected updatePipeline error! Mismatching fieldHandlerId!");
+
+ if (params.scalarBarRange != _params.scalarBarRange ||
+ params.hideDataOutsideCustomRange != _params.hideDataOutsideCustomRange ||
+ params.scalarBarRangeArray[0] != _params.scalarBarRangeArray[0] ||
+ params.scalarBarRangeArray[1] != _params.scalarBarRangeArray[1])
+ updateScalarBarRange<MEDPresentationContour, MEDCALC::ContourParameters>(params.scalarBarRange,
+ params.hideDataOutsideCustomRange,
+ params.scalarBarRangeArray[0],
+ params.scalarBarRangeArray[1]);
+ if (params.colorMap != _params.colorMap)
+ updateColorMap<MEDPresentationContour, MEDCALC::ContourParameters>(params.colorMap);
+
+ if (params.nbContours != _params.nbContours)
+ {
+ if (params.nbContours < 1)
+ {
+ const char * mes = "Invalid number of contours!";
+ STDLOG(mes);
+ throw KERNEL::createSalomeException(mes);
+ }
+ updateNbContours(params.nbContours);
+ }
+
+ if (std::string(params.contourComponent) != std::string(_params.contourComponent))
+ updateContourComponent(std::string(params.contourComponent));
+
+ if (params.visibility != _params.visibility)
+ updateVisibility<MEDPresentationContour, MEDCALC::ContourParameters>(params.visibility);
+
+ if (params.scalarBarVisibility != _params.scalarBarVisibility)
+ updateScalarBarVisibility<MEDPresentationContour, MEDCALC::ContourParameters>(params.scalarBarVisibility);
+
+}
+
+void
+MEDPresentationContour::updateNbContours(const int nbContours)
+{
+ _params.nbContours = nbContours;
+
+ // GUI helper:
+ setIntProperty(MEDPresentationContour::PROP_NB_CONTOUR, nbContours);
+
+ // Update the pipeline:
+ {
+ MEDPyLockWrapper lock;
+ setNumberContours();
+ pushAndExecPyLine("pvs.Render();");
+ }
}
+
+void
+MEDPresentationContour::updateContourComponent(const std::string& newCompo)
+{
+ _params.contourComponent = newCompo.c_str();
+
+ int id = getContourComponentId();
+
+ // GUI helper:
+ setIntProperty(MEDPresentationContour::PROB_CONTOUR_COMPONENT_ID, id);
+
+ // Update the pipeline:
+ {
+ MEDPyLockWrapper lock;
+ std::ostringstream oss;
+ oss << _objVar << ".ContourBy = ['POINTS', '" << getContourComponentName() << "'];";
+ pushAndExecPyLine(oss.str()); oss.str("");
+ scalarBarTitle();
+ pushAndExecPyLine("pvs.Render();");
+ }
+}
+
+
+int MEDPresentationContour::getContourComponentId() const {
+ int result = -1;
+ if (std::string(_params.contourComponent) == "") { // Magnitude
+ result = 0;
+ }
+ for (std::vector<std::string>::size_type i = 0; i < _nbComponents; i++) {
+ std::ostringstream oss_p;
+ oss_p << MEDPresentation::PROP_COMPONENT << i;
+ std::string compo = getStringProperty(oss_p.str());
+ if (std::string(_params.contourComponent) == compo) {
+ result = i + 1;
+ break;
+ }
+ }
+ if (result == -1) {
+ std::ostringstream oss;
+ oss << "MEDPresentationContour::getContourComponentId(): unknown component '" <<_params.contourComponent
+ << "' !\n";
+ STDLOG(oss.str());
+ throw KERNEL::createSalomeException(oss.str().c_str());
+ }
+ return result;
+}
+
+std::string MEDPresentationContour::getContourComponentName() const {
+ std::ostringstream result;
+ result << _fieldName;
+ if (_nbComponents > 1) {
+ int id = getContourComponentId();
+ switch (id) {
+ case 0: result << "_magnitude"; break;
+ default: result << "_" << id; break;
+ }
+ }
+ return result.str();
+}
+
+std::string MEDPresentationContour::getFieldName() const {
+ return getContourComponentName();
+}
+
+void
+MEDPresentationContour::scalarBarTitle()
+{
+ if (_nbComponents > 1) {
+ // get selected component name:
+ int id = getContourComponentId();
+ std::string compoName;
+ if (id != 0)
+ {
+ std::ostringstream oss1;
+ oss1 << MEDPresentation::PROP_COMPONENT << id - 1;
+ compoName = getStringProperty(oss1.str());
+ }
+ else
+ {
+ compoName = "Magnitude";
+ }
+ std::ostringstream oss;
+ oss << "pvs.GetScalarBar(" << getLutVar() << ").Title = '" << _fieldName << "';";
+ oss << "pvs.GetScalarBar(" << getLutVar() << ").ComponentTitle = '" << compoName << "';";
+ pushAndExecPyLine(oss.str()); oss.str("");
+ }
+ else {
+ MEDPresentation::scalarBarTitle();
+ }
+}
\ No newline at end of file
