-// Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2015 CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
// 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.
+// 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
#include "SMESHGUI_MeshUtils.h"
#include "SMESHGUI_FilterUtils.h"
#include "SMESHGUI_SpinBox.h"
+#include "SMESHGUI_MeshEditPreview.h"
-#include <SMESH_Actor.h>
-#include <SMESH_TypeFilter.hxx>
-#include <SMDS_Mesh.hxx>
+#include "SMDS_Mesh.hxx"
+#include "SMDS_MeshNode.hxx"
+#include "SMDS_VolumeTool.hxx"
+#include "SMESH_Actor.h"
+#include "SMESH_MeshAlgos.hxx"
+#include "SMESH_TypeFilter.hxx"
// SALOME GUI includes
#include <SUIT_Desktop.h>
#include <LightApp_SelectionMgr.h>
#include <LightApp_Application.h>
#include <SALOME_ListIO.hxx>
-#include <SALOME_ListIteratorOfListIO.hxx>
#include <SalomeApp_Tools.h>
#include <SVTK_Selector.h>
#include <VTKViewer_CellLocationsArray.h>
// OCCT includes
-#include <TColStd_IndexedMapOfInteger.hxx>
+#include <Bnd_B3d.hxx>
#include <TColStd_DataMapOfIntegerInteger.hxx>
+#include <TColStd_IndexedMapOfInteger.hxx>
#include <TColStd_MapIteratorOfMapOfInteger.hxx>
+#include <gp_Ax1.hxx>
// VTK includes
#include <vtkIdList.h>
// Purpose : Constructor
//=======================================================================
SMESHGUI_MultiEditDlg
-::SMESHGUI_MultiEditDlg(SMESHGUI* theModule,
- const int theMode,
- const bool the3d2d):
- QDialog(SMESH::GetDesktop(theModule)),
+::SMESHGUI_MultiEditDlg(SMESHGUI* theModule,
+ const int theMode,
+ const bool the3d2d,
+ bool theDoInit):
+ SMESHGUI_PreviewDlg(theModule),
mySelector(SMESH::GetViewWindow(theModule)->GetSelector()),
mySelectionMgr(SMESH::GetSelectionMgr(theModule)),
mySMESHGUI(theModule)
aDlgLay->addWidget(aMainFrame);
aDlgLay->addWidget(aBtnFrame);
- Init();
+ if ( theDoInit )
+ Init();
}
//=======================================================================
QRadioButton* aFaceRb = new QRadioButton(tr("SMESH_FACE"), aEntityTypeGrp);
QRadioButton* aVolumeRb = new QRadioButton(tr("SMESH_VOLUME"), aEntityTypeGrp);
+
aEntityLayout->addWidget(aFaceRb);
aEntityLayout->addWidget(aVolumeRb);
myComboBoxFunctor->addItem(tr("ASPECTRATIO_ELEMENTS"));
myComboBoxFunctor->addItem(tr("MINIMUMANGLE_ELEMENTS"));
myComboBoxFunctor->addItem(tr("SKEW_ELEMENTS"));
- //myComboBoxFunctor->addItem(tr("AREA_ELEMENTS"));
- //myComboBoxFunctor->addItem(tr("LENGTH2D_EDGES")); // for existing elements only
- //myComboBoxFunctor->addItem(tr("MULTI2D_BORDERS")); // for existing elements only
myComboBoxFunctor->setCurrentIndex(0);
aCriterionLayout->addWidget(myChoiceWidget);
bool SMESHGUI_MultiEditDlg::isValid (const bool /*theMess*/)
{
return (!myMesh->_is_nil() &&
- (myListBox->count() > 0 || (myToAllChk->isChecked()/* && myActor*/)));
+ (myListBox->count() > 0 || (myToAllChk->isChecked() && nbElemsInMesh() > 0)));
}
//=======================================================================
bool isListBoxNonEmpty = myListBox->count() > 0;
bool isToAll = myToAllChk->isChecked();
myFilterBtn->setEnabled(!isToAll);
- myRemoveBtn->setEnabled(isListBoxNonEmpty && !isToAll);
+ myRemoveBtn->setEnabled(myListBox->selectedItems().count() && !isToAll);
mySortBtn->setEnabled(isListBoxNonEmpty &&!isToAll);
const SALOME_ListIO& aList = mySelector->StoredIObjects();
mySelector->AddOrRemoveIndex(anActor->getIO(),anIndexes,false);
if ( SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow( mySMESHGUI ))
aViewWindow->highlight(anActor->getIO(),true,true);
+
+ myRemoveBtn->setEnabled( anIndexes.Extent() );
}
//=======================================================================
updateButtons();
}
+ obj._retn(); // else myMesh is deleted by ~obj
myBusy = false;
return aResult;
return theEditor->ReorientObject( obj );
}
+int SMESHGUI_ChangeOrientationDlg::nbElemsInMesh()
+{
+ return ( myFilterType == SMESH::FaceFilter ) ? myMesh->NbFaces() : myMesh->NbVolumes();
+}
+
/*!
* Class : SMESHGUI_UnionOfTrianglesDlg
* Description : Construction of quadrangles by automatic association of triangles
{
setWindowTitle(tr("CAPTION"));
+ //Preview check box
+ myPreviewCheckBox = new QCheckBox(tr("PREVIEW"), mySelGrp);
+ QGridLayout* aLay = (QGridLayout*)(mySelGrp->layout());
+ aLay->addWidget(myPreviewCheckBox, aLay->rowCount(), 0, 1, aLay->columnCount());
+
myComboBoxFunctor->setEnabled(true);
myComboBoxFunctor->addItem(tr("AREA_ELEMENTS"));
myComboBoxFunctor->addItem(tr("WARP_ELEMENTS")); // for quadrangles only
((QVBoxLayout*)(myCriterionGrp->layout()))->addWidget(aMaxAngleGrp);
myCriterionGrp->show();
+ connect(myComboBoxFunctor, SIGNAL(activated(int)), this, SLOT(toDisplaySimulation()));
+ connect(myMaxAngleSpin, SIGNAL(valueChanged(int)), this, SLOT(toDisplaySimulation()));
+ connect(this, SIGNAL(ListContensChanged()), this, SLOT(toDisplaySimulation()));
+ connectPreviewControl(); //To Connect preview check box
+
+ myPreviewCheckBox->setChecked(false);
+ onDisplaySimulation(false);
+
myHelpFileName = "uniting_set_of_triangles_page.html";
}
return ok;
}
+int SMESHGUI_UnionOfTrianglesDlg::nbElemsInMesh()
+{
+ return myMesh->NbTriangles();
+}
+
+void SMESHGUI_UnionOfTrianglesDlg::onDisplaySimulation( bool toDisplayPreview )
+{
+ if ( myPreviewCheckBox->isChecked() && toDisplayPreview ) {
+ if ( isValid( true ) ) {
+ try{
+ SUIT_OverrideCursor aWaitCursor;
+ // get Ids of elements
+ SMESH::SMESH_IDSource_var obj;
+ SMESH::long_array_var anElemIds = getIds( obj );
+
+ SMESH::NumericalFunctor_var aCriterion = getNumericalFunctor();
+ SMESH::SMESH_MeshEditor_var aMeshEditor = myMesh->GetMeshEditPreviewer();
+
+ double aMaxAngle = myMaxAngleSpin->GetValue() * M_PI / 180.0;
+
+ if ( CORBA::is_nil( obj ) )
+ aMeshEditor->TriToQuad( anElemIds.inout(), aCriterion, aMaxAngle );
+ else
+ aMeshEditor->TriToQuadObject( obj, aCriterion, aMaxAngle );
+
+ SMESH::MeshPreviewStruct_var aMeshPreviewStruct = aMeshEditor->GetPreviewData();
+
+ vtkProperty* aProp = vtkProperty::New();
+ aProp->SetRepresentationToWireframe();
+ aProp->SetColor( 250, 0, 250 );
+ aProp->SetLineWidth( SMESH::GetFloat( "SMESH:element_width", 1 ) + 3 );
+ mySimulation->GetActor()->SetProperty( aProp );
+ aProp->Delete();
+
+ mySimulation->SetData( aMeshPreviewStruct._retn() );
+ } catch ( ... ) {
+ hidePreview();
+ }
+ } else {
+ hidePreview();
+ }
+ } else {
+ hidePreview();
+ }
+}
/*!
* Class : SMESHGUI_CuttingOfQuadsDlg
{
if ( hasObj )
return theEditor->QuadTo4Tri( obj ), true;
- SMESH::SMESH_IDSource_wrap elems = theEditor->MakeIDSource( theIds, SMESH::FACE );
+ SMESH::IDSource_wrap elems = theEditor->MakeIDSource( theIds, SMESH::FACE );
theEditor->QuadTo4Tri( elems );
return true;
}
return hasObj ? theEditor->QuadToTriObject(obj, aCrit) : theEditor->QuadToTri(theIds, aCrit);
}
+int SMESHGUI_CuttingOfQuadsDlg::nbElemsInMesh()
+{
+ return myMesh->NbQuadrangles();
+}
+
+
void SMESHGUI_CuttingOfQuadsDlg::onCriterionRB()
{
if (myGroupChoice->checkedId() == 2) // Use numeric functor
if (myPreviewActor != 0)
erasePreview();
+ SUIT_OverrideCursor aWaitCursor;
// get Ids of elements
SMESH::SMESH_IDSource_var obj;
SMESH::long_array_var anElemIds = getIds(obj);
return;
}
+ if ( anElemIds->length() == 0 ) {
+ anElemIds = obj->GetIDs();
+ }
+
//Create grid
vtkUnstructuredGrid* aGrid = vtkUnstructuredGrid::New();
}
/*!
- * Class : SMESHGUI_CuttingIntoTetraDlg
- * Description : Modification of orientation of faces
+ * Class : SMESHGUI_SplitVolumesDlg
+ * Description : Spliter of volumes into tetrahedra or prisms
*/
-SMESHGUI_CuttingIntoTetraDlg::SMESHGUI_CuttingIntoTetraDlg(SMESHGUI* theModule)
- : SMESHGUI_MultiEditDlg(theModule, SMESH::VolumeFilter, false)
+SMESHGUI_SplitVolumesDlg::SMESHGUI_SplitVolumesDlg(SMESHGUI* theModule)
+ : SMESHGUI_MultiEditDlg(theModule, SMESH::VolumeFilter, /*the3d2d=*/true, /*doInit=*/false)
{
setWindowTitle(tr("CAPTION"));
myHelpFileName = "split_to_tetra_page.html";
myEntityType = 1;
+ myCellSize = -1.;
+
+ // Facet selection group
+
+ myFacetSelGrp = new QGroupBox(tr("FACET_TO_SPLIT"), myCriterionGrp->parentWidget());
+ QGridLayout* facetSelLayout = new QGridLayout( myFacetSelGrp );
+ facetSelLayout->setMargin(MARGIN);
+ facetSelLayout->setSpacing(SPACING);
+
+ QLabel* pointLbl = new QLabel( tr("START_POINT"), myFacetSelGrp);
+ QLabel* normalLbl = new QLabel( tr("FACET_NORMAL"), myFacetSelGrp);
+ myFacetSelBtn = new QPushButton( mySubmeshBtn->icon(), "", myFacetSelGrp );
+ myFacetSelBtn->setCheckable( true );
+ QLabel* XLbl = new QLabel( tr("SMESH_X"), myFacetSelGrp);
+ QLabel* YLbl = new QLabel( tr("SMESH_Y"), myFacetSelGrp);
+ QLabel* ZLbl = new QLabel( tr("SMESH_Z"), myFacetSelGrp);
+ QLabel* dXLbl = new QLabel( tr("SMESH_DX"), myFacetSelGrp);
+ QLabel* dYLbl = new QLabel( tr("SMESH_DY"), myFacetSelGrp);
+ QLabel* dZLbl = new QLabel( tr("SMESH_DZ"), myFacetSelGrp);
+ QPushButton* axisBtn[3];
+ for ( int i = 0; i < 3; ++i )
+ {
+ myPointSpin[i] = new SMESHGUI_SpinBox( myFacetSelGrp );
+ myDirSpin [i] = new SMESHGUI_SpinBox( myFacetSelGrp );
+ myPointSpin[i]->RangeStepAndValidator( -1e10, 1e10, 10 );
+ myDirSpin [i]->RangeStepAndValidator( -1., 1., 0.1 );
+ myPointSpin[i]->SetValue(0.);
+ myDirSpin [i]->SetValue(0.);
+ myAxisBtn [i] = new QPushButton( QString("|| O") + char('X'+i ), myFacetSelGrp);
+ }
+ myDirSpin[2]->SetValue(1.);
+
+ myAllDomainsChk = new QCheckBox( tr("ALL_DOMAINS"), mySelGrp );
+
+ facetSelLayout->addWidget( pointLbl, 0, 0 );
+ facetSelLayout->addWidget( myFacetSelBtn, 0, 1 );
+ facetSelLayout->addWidget( XLbl, 0, 2 );
+ facetSelLayout->addWidget( myPointSpin[0],0, 3 );
+ facetSelLayout->addWidget( YLbl, 0, 4 );
+ facetSelLayout->addWidget( myPointSpin[1],0, 5 );
+ facetSelLayout->addWidget( ZLbl, 0, 6 );
+ facetSelLayout->addWidget( myPointSpin[2],0, 7 );
+
+ facetSelLayout->addWidget( normalLbl, 1, 0 );
+ facetSelLayout->addWidget( dXLbl, 1, 2 );
+ facetSelLayout->addWidget( myDirSpin[0], 1, 3 );
+ facetSelLayout->addWidget( dYLbl, 1, 4 );
+ facetSelLayout->addWidget( myDirSpin[1], 1, 5 );
+ facetSelLayout->addWidget( dZLbl, 1, 6 );
+ facetSelLayout->addWidget( myDirSpin[2], 1, 7 );
+
+ facetSelLayout->addWidget( myAxisBtn[0], 2, 2, 1, 2 );
+ facetSelLayout->addWidget( myAxisBtn[1], 2, 4, 1, 2 );
+ facetSelLayout->addWidget( myAxisBtn[2], 2, 6, 1, 2 );
+
+ myCriterionGrp->layout()->addWidget( myFacetSelGrp );
+ myCriterionGrp->layout()->addWidget( myAllDomainsChk );
+ //myChoiceWidget->layout()->addWidget( myAllDomainsChk );
+
+ connect( myFacetSelBtn, SIGNAL(clicked(bool)), SLOT(onFacetSelection(bool)) );
+ for ( int i = 0; i < 3; ++i )
+ {
+ connect( myAxisBtn [i], SIGNAL(clicked()), SLOT(onSetDir()) );
+ connect( myPointSpin[i], SIGNAL(valueChanged (const QString&)),
+ this, SLOT (updateNormalPreview(const QString&)) );
+ connect( myDirSpin [i], SIGNAL(valueChanged (const QString&)),
+ this, SLOT (updateNormalPreview(const QString&)) );
+ }
+ if ( myEntityTypeGrp )
+ {
+ myEntityTypeGrp->button(0)->setText( tr("SMESH_TETRAS"));
+ myEntityTypeGrp->button(1)->setText( tr("SMESH_PRISM"));
+ if ( QGroupBox* gb = qobject_cast< QGroupBox* >( myEntityTypeGrp->button(0)->parent() ))
+ gb->setTitle( tr("TARGET_ELEM_TYPE"));
+ }
myToAllChk->setChecked( true ); //aplly to the whole mesh by default
bool hasHexa = true;//myMesh->_is_nil() ? false : myMesh->NbHexas();
-
if ( hasHexa )
{
- myGroupChoice->button(0)->setText( tr("SPLIT_HEX_TO_5_TETRA"));
- myGroupChoice->button(1)->setText( tr("SPLIT_HEX_TO_6_TETRA"));
- myGroupChoice->button(2)->setText( tr("SPLIT_HEX_TO_24_TETRA"));
-
myCriterionGrp->setTitle( tr("SPLIT_METHOD"));
myCriterionGrp->show();
myComboBoxFunctor->hide();
myChoiceWidget->show();
}
- setSelectionMode();
- updateButtons();
+
+ on3d2dChanged( 0 );
+ Init();
}
-SMESHGUI_CuttingIntoTetraDlg::~SMESHGUI_CuttingIntoTetraDlg()
+SMESHGUI_SplitVolumesDlg::~SMESHGUI_SplitVolumesDlg()
{
}
-bool SMESHGUI_CuttingIntoTetraDlg::process (SMESH::SMESH_MeshEditor_ptr theEditor,
- const SMESH::long_array& theIds,
- SMESH::SMESH_IDSource_ptr theObj)
+bool SMESHGUI_SplitVolumesDlg::process (SMESH::SMESH_MeshEditor_ptr theEditor,
+ const SMESH::long_array& theIds,
+ SMESH::SMESH_IDSource_ptr theObj)
{
- SMESH::SMESH_IDSource_wrap obj = theObj;
+ SMESH::IDSource_wrap obj = theObj;
if ( CORBA::is_nil( obj ))
- obj = theEditor->MakeIDSource( theIds, myEntityType ? SMESH::VOLUME : SMESH::FACE );
+ obj = theEditor->MakeIDSource( theIds, SMESH::VOLUME );
else
obj->Register();
try {
- theEditor->SplitVolumesIntoTetra( obj, myGroupChoice->checkedId()+1 );
+ if ( isIntoPrisms() )
+ {
+ QStringList aParameters;
+ aParameters << myPointSpin[0]->text();
+ aParameters << myPointSpin[1]->text();
+ aParameters << myPointSpin[2]->text();
+ aParameters << myDirSpin[0]->text();
+ aParameters << myDirSpin[1]->text();
+ aParameters << myDirSpin[2]->text();
+ myMesh->SetParameters( aParameters.join(":").toLatin1().constData() );
+
+ SMESH::PointStruct_var point = new SMESH::PointStruct;
+ point->x = myPointSpin[0]->GetValue();
+ point->y = myPointSpin[1]->GetValue();
+ point->z = myPointSpin[2]->GetValue();
+ SMESH::DirStruct_var norm = new SMESH::DirStruct;
+ norm->PS.x = myDirSpin[0]->GetValue();
+ norm->PS.y = myDirSpin[1]->GetValue();
+ norm->PS.z = myDirSpin[2]->GetValue();
+
+ theEditor->SplitHexahedraIntoPrisms( obj, point, norm,
+ myGroupChoice->checkedId()+1,
+ myAllDomainsChk->isChecked() );
+ }
+ else
+ {
+ theEditor->SplitVolumesIntoTetra( obj, myGroupChoice->checkedId()+1 );
+ }
}
catch ( const SALOME::SALOME_Exception& S_ex ) {
SalomeApp_Tools::QtCatchCorbaException( S_ex );
}
return true;
}
+
+int SMESHGUI_SplitVolumesDlg::nbElemsInMesh()
+{
+ return isIntoPrisms() ? myMesh->NbHexas() : myMesh->NbVolumes() - myMesh->NbTetras();
+}
+
+bool SMESHGUI_SplitVolumesDlg::isIntoPrisms()
+{
+ return ( myEntityTypeGrp->checkedId() == 1 );
+}
+
+//================================================================================
+/*!
+ * \brief Slot called when a target element type changes
+ */
+//================================================================================
+
+void SMESHGUI_SplitVolumesDlg::on3d2dChanged(int isPrism)
+{
+ if ( isPrism )
+ {
+ myFacetSelGrp->show();
+ myAllDomainsChk->show();
+ myGroupChoice->button(2)->hide();
+ myGroupChoice->button(0)->setText( tr("SPLIT_HEX_TO_2_PRISMS"));
+ myGroupChoice->button(1)->setText( tr("SPLIT_HEX_TO_4_PRISMS"));
+ }
+ else
+ {
+ myFacetSelGrp->hide();
+ myAllDomainsChk->hide();
+ myGroupChoice->button(2)->show();
+ myGroupChoice->button(0)->setText( tr("SPLIT_HEX_TO_5_TETRA"));
+ myGroupChoice->button(1)->setText( tr("SPLIT_HEX_TO_6_TETRA"));
+ myGroupChoice->button(2)->setText( tr("SPLIT_HEX_TO_24_TETRA"));
+ }
+ SMESHGUI_MultiEditDlg::on3d2dChanged( !myEntityType );
+ myEntityType = 1; // == VOLUME
+ myChoiceWidget->hide();
+ myChoiceWidget->show();
+ resize(minimumSizeHint());
+ onSelectionDone();
+}
+
+//================================================================================
+/*!
+ * \brief Set selection mode
+ */
+//================================================================================
+
+void SMESHGUI_SplitVolumesDlg::setSelectionMode()
+{
+ if ( myBusy || !isEnabled() ) return;
+
+ SMESH::RemoveFilters();
+
+ mySelectionMgr->clearFilters();
+
+ if (mySubmeshChk->isChecked()) {
+ if ( SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow( mySMESHGUI ))
+ aViewWindow->SetSelectionMode(ActorSelection);
+ mySelectionMgr->installFilter(new SMESH_TypeFilter(SMESH::SUBMESH));
+ myFacetSelBtn->setChecked( false );
+ }
+ else if (myGroupChk->isChecked()) {
+ if ( SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow( mySMESHGUI ))
+ aViewWindow->SetSelectionMode(ActorSelection);
+ mySelectionMgr->installFilter(new SMESH_TypeFilter(SMESH::GROUP));
+ myFacetSelBtn->setChecked( false );
+ }
+
+ if ( myFacetSelBtn->isChecked() )
+ {
+ // facet selection - select any element
+ if ( SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow( mySMESHGUI ))
+ aViewWindow->SetSelectionMode( CellSelection );
+ myFilterType = SMESH::AllElementsFilter;
+ }
+ else
+ {
+ if ( SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow( mySMESHGUI ))
+ aViewWindow->SetSelectionMode( VolumeSelection );
+ if ( isIntoPrisms() )
+ {
+ SMESH::SetFilter(new SMESHGUI_VolumeShapeFilter( SMDSGeom_HEXA ));
+ myFilterType = SMESHGUI_VolumeShapeFilter::GetId( SMDSGeom_HEXA );
+ }
+ else // to tetrahedra
+ {
+ SMESH::SetFilter(new SMESHGUI_VolumesFilter());
+ myFilterType = SMESH::VolumeFilter;
+ }
+ }
+}
+
+//================================================================================
+/*!
+ * \brief SLOT called when selection changed
+ */
+//================================================================================
+
+void SMESHGUI_SplitVolumesDlg::onSelectionDone()
+{
+ if (myBusy || !isEnabled()) return;
+
+ if ( !myFacetSelBtn->isChecked() )
+ {
+ SMESHGUI_MultiEditDlg::onSelectionDone();
+ }
+ else // set point and normal by a selected element
+ {
+ const SALOME_ListIO& aList = mySelector->StoredIObjects();
+ int nbSel = aList.Extent();
+ if (nbSel > 0)
+ {
+ Handle(SALOME_InteractiveObject) anIO = aList.First();
+
+ myActor = SMESH::FindActorByEntry( anIO->getEntry() );
+
+ SMESH::SMESH_Mesh_var aSelMesh = SMESH::GetMeshByIO(anIO);
+ if (!aSelMesh->_is_nil())
+ myMesh = aSelMesh;
+
+ TColStd_IndexedMapOfInteger aMapIndex;
+ mySelector->GetIndex( anIO, aMapIndex );
+ if ( !aMapIndex.IsEmpty() )
+ showFacetByElement( aMapIndex(1) );
+ else if ( myCellSize < 0 )
+ showFacetByElement( 1 );
+ }
+ updateButtons();
+ }
+
+ myCriterionGrp->setEnabled( !myMesh->_is_nil() && nbElemsInMesh() > 0 );
+}
+
+//================================================================================
+/*!
+ * \brief Show facet normal by a selected element
+ */
+//================================================================================
+
+void SMESHGUI_SplitVolumesDlg::showFacetByElement( int elemID )
+{
+ if ( !isIntoPrisms() || !myActor )
+ {
+ mySimulation->SetVisibility( false );
+ return;
+ }
+ SMDS_Mesh* mesh = myActor->GetObject()->GetMesh();
+ const SMDS_MeshElement* elem = mesh->FindElement( elemID );
+ if ( !elem ) return;
+
+ // set point XYZ by the element barycenter
+ gp_XYZ bc( 0,0,0 );
+ Bnd_B3d bbox;
+ SMDS_NodeIteratorPtr nIt = elem->nodeIterator();
+ vector< const SMDS_MeshNode* > nodes;
+ nodes.reserve( elem->NbNodes() );
+ while ( nIt->more() )
+ {
+ nodes.push_back( nIt->next() );
+ gp_XYZ p = SMESH_TNodeXYZ( nodes.back() );
+ bc += p;
+ bbox.Add( p );
+ }
+ bc /= nodes.size();
+
+ myPointSpin[0]->SetValue( bc.X() );
+ myPointSpin[1]->SetValue( bc.Y() );
+ myPointSpin[2]->SetValue( bc.Z() );
+
+ // set size
+ myCellSize = sqrt( bbox.SquareExtent() );
+
+ // set normal and size
+ gp_XYZ norm;
+ switch ( elem->GetType())
+ {
+ case SMDSAbs_Edge:
+ {
+ norm = SMESH_TNodeXYZ( nodes[1] ) - SMESH_TNodeXYZ( nodes[0] );
+ break;
+ }
+ case SMDSAbs_Face:
+ {
+ if ( !SMESH_MeshAlgos::FaceNormal( elem, norm, /*normalized=*/false ))
+ return;
+ break;
+ }
+ case SMDSAbs_Volume:
+ {
+ SMDS_VolumeTool vTool( elem );
+ vTool.SetExternalNormal();
+ bool freeFacetFound = false;
+ double n[3];
+ for ( int i = 0; i < vTool.NbFaces() && !freeFacetFound; ++i )
+ if (( freeFacetFound = vTool.IsFreeFace( i )))
+ vTool.GetFaceNormal( i, n[0], n[1], n[2] );
+ if ( !freeFacetFound )
+ vTool.GetFaceNormal( 0, n[0], n[1], n[2] );
+ norm.SetCoord( n[0], n[1], n[2] );
+ break;
+ }
+ default: return;
+ }
+
+ double size = norm.Modulus();
+ if ( size < 1e-20 )
+ return;
+ norm /= size;
+
+ myDirSpin[0]->SetValue( norm.X() );
+ myDirSpin[1]->SetValue( norm.Y() );
+ myDirSpin[2]->SetValue( norm.Z() );
+
+ if ( myCellSize > 0. )
+ updateNormalPreview();
+}
+
+//================================================================================
+/*!
+ * \brief SLOT called when a point or a normal changes
+ */
+//================================================================================
+
+void SMESHGUI_SplitVolumesDlg::updateNormalPreview(const QString&)
+{
+ if ( myCellSize < 0. )
+ {
+ showFacetByElement( 1 );
+ return;
+ }
+
+ gp_Pnt point ( myPointSpin[0]->GetValue(),
+ myPointSpin[1]->GetValue(),
+ myPointSpin[2]->GetValue() );
+ gp_XYZ norm ( myDirSpin[0]->GetValue(),
+ myDirSpin[1]->GetValue(),
+ myDirSpin[2]->GetValue() );
+ if ( norm.Modulus() < 1e-20 )
+ return;
+
+ vtkUnstructuredGrid* grid = mySimulation->GetGrid();
+
+ // Initialize the preview mesh of an arrow
+ if ( grid->GetNumberOfPoints() == 0 )
+ {
+ mySimulation->SetArrowShapeAndNb( /*nb=*/1, /*hLen=*/0.3, /*R=*/0.1, /*start=*/0 );
+ }
+
+ // Compute new coordinates of the grid according to the dialog controls
+
+ gp_Ax1 axis( point, norm );
+ mySimulation->SetArrows( &axis, 4 * myCellSize );
+ mySimulation->SetVisibility(true);
+}
+
+//================================================================================
+/*!
+ * \brief Slot called when facet selection button is clicked
+ */
+//================================================================================
+
+void SMESHGUI_SplitVolumesDlg::onFacetSelection(bool isFacetSelection)
+{
+ setSelectionMode();
+ onSelectionDone();
+ mySelGrp->setEnabled( !isFacetSelection );
+}
+
+//================================================================================
+/*!
+ * \brief Slot called when an || axis button is clicked
+ */
+//================================================================================
+
+void SMESHGUI_SplitVolumesDlg::onSetDir()
+{
+ myDirSpin[0]->SetValue(0.);
+ myDirSpin[1]->SetValue(0.);
+ myDirSpin[2]->SetValue(0.);
+ int i = 0;
+ for ( ; i < 3; ++i )
+ if ( sender() == myAxisBtn[i] )
+ break;
+ if ( i == 3 )
+ i == 0;
+ myDirSpin[i]->SetValue(1.);
+
+ if ( myActor && !myMesh->_is_nil() && myMesh->NbNodes() > 0 )
+ {
+ double b[6];
+ myActor->GetUnstructuredGrid()->GetBounds(b);
+ gp_XYZ center( 0.5 * ( b[0] + b[1] ),
+ 0.5 * ( b[2] + b[3] ),
+ 0.5 * ( b[4] + b[5] ));
+ gp_XYZ point ( myPointSpin[0]->GetValue(),
+ myPointSpin[1]->GetValue(),
+ myPointSpin[2]->GetValue() );
+ gp_XYZ norm ( myDirSpin[0]->GetValue(),
+ myDirSpin[1]->GetValue(),
+ myDirSpin[2]->GetValue() );
+
+ gp_Vec cp( center, point );
+ if ( cp.Dot( norm ) < 0. )
+ myDirSpin[i]->SetValue(-1.);
+ }
+
+ updateNormalPreview();
+}
