X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FHYDROCurveCreator%2FCurveCreator_Utils.cxx;h=1fcc4084030de42aba451f7fe357f77c117470e8;hb=c363fc5c3541669e07cf4d991cc1e94253147ac1;hp=ec27ddb04599b9e6b98e1d18155032b308876f3e;hpb=5ab983d4b8b4d9d77dd3da5069659afc8c338b80;p=modules%2Fhydro.git diff --git a/src/HYDROCurveCreator/CurveCreator_Utils.cxx b/src/HYDROCurveCreator/CurveCreator_Utils.cxx index ec27ddb0..1fcc4084 100644 --- a/src/HYDROCurveCreator/CurveCreator_Utils.cxx +++ b/src/HYDROCurveCreator/CurveCreator_Utils.cxx @@ -18,13 +18,57 @@ // #include "CurveCreator_Utils.h" +#include "CurveCreator.hxx" +#include "CurveCreator_UtilsICurve.hxx" #include #include + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include +#include + #include #include +#include + +#include "CurveCreator_ICurve.hxx" + +const double LOCAL_SELECTION_TOLERANCE = 0.0001; +const int SCENE_PIXEL_PROJECTION_TOLERANCE = 10; +const int SCENE_PIXEL_POINT_TOLERANCE = 5; + //======================================================================= // function : ConvertClickToPoint() // purpose : Returns the point clicked in 3D view @@ -44,24 +88,354 @@ void CurveCreator_Utils::ConvertPointToClick( const gp_Pnt& thePoint, gp_Pnt CurveCreator_Utils::ConvertClickToPoint( int x, int y, Handle(V3d_View) aView ) { return GEOMUtils::ConvertClickToPoint( x, y, aView ); - /* - V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt; - aView->Eye( XEye, YEye, ZEye ); - - aView->At( XAt, YAt, ZAt ); - gp_Pnt EyePoint( XEye, YEye, ZEye ); - gp_Pnt AtPoint( XAt, YAt, ZAt ); - - gp_Vec EyeVector( EyePoint, AtPoint ); - gp_Dir EyeDir( EyeVector ); - - gp_Pln PlaneOfTheView = gp_Pln( AtPoint, EyeDir ); - Standard_Real X, Y, Z; - aView->Convert( x, y, X, Y, Z ); - gp_Pnt ConvertedPoint( X, Y, Z ); - - gp_Pnt2d ConvertedPointOnPlane = ProjLib::Project( PlaneOfTheView, ConvertedPoint ); - gp_Pnt ResultPoint = ElSLib::Value( ConvertedPointOnPlane.X(), ConvertedPointOnPlane.Y(), PlaneOfTheView ); - return ResultPoint; - */ +} + +void CurveCreator_Utils::constructShape( const CurveCreator_ICurve* theCurve, + TopoDS_Shape& theShape ) +{ + BRep_Builder aBuilder; + TopoDS_Compound aComp; + aBuilder.MakeCompound( aComp ); + for( int iSection = 0 ; iSection < theCurve->getNbSections() ; iSection++ ) + { + int theISection = iSection; + + CurveCreator::SectionType aSectType = theCurve->getSectionType( theISection ); + int aPointSize = theCurve->getNbPoints( theISection ); + bool aSectIsClosed = theCurve->isClosed( theISection ); + bool isPolyline = aSectType == CurveCreator::Polyline; + int iPoint = 0; + gp_Pnt aPrevPoint, aPoint; + if ( aPointSize == 1 ) { + CurveCreator_UtilsICurve::getPoint( theCurve, theISection, iPoint, aPoint ); + TopoDS_Vertex aVertex = BRepBuilderAPI_MakeVertex( aPoint ).Vertex(); + aBuilder.Add( aComp, aVertex ); + } + else if ( aPointSize > 1 ) { + Handle(TColgp_HArray1OfPnt) aHCurvePoints = new TColgp_HArray1OfPnt (1, aPointSize); + int aHIndex = 1; + + TopoDS_Edge aPointEdge; + TopoDS_Vertex aVertex; + CurveCreator_UtilsICurve::getPoint( theCurve, theISection, iPoint, aPoint ); + aVertex = BRepBuilderAPI_MakeVertex( aPoint ).Vertex(); + aBuilder.Add( aComp, aVertex ); + aHCurvePoints->SetValue(aHIndex++, aPoint); + aPrevPoint = aPoint; + iPoint++; + for( ; iPoint < aPointSize; iPoint++ ) { + CurveCreator_UtilsICurve::getPoint( theCurve, theISection, iPoint, aPoint ); + aVertex = BRepBuilderAPI_MakeVertex( aPoint ).Vertex(); + aBuilder.Add( aComp, aVertex ); + aHCurvePoints->SetValue(aHIndex++, aPoint); + if ( isPolyline ) { + aPointEdge = BRepBuilderAPI_MakeEdge( aPrevPoint, aPoint ).Edge(); + aBuilder.Add( aComp, aPointEdge ); + } + aPrevPoint = aPoint; + } + if( aSectIsClosed && ( aPointSize > 2 ) ) { + CurveCreator_UtilsICurve::getPoint( theCurve, theISection, 0, aPoint ); + aVertex = BRepBuilderAPI_MakeVertex( aPoint ).Vertex(); + aBuilder.Add( aComp, aVertex ); + if ( isPolyline ) { + aPointEdge = BRepBuilderAPI_MakeEdge( aPrevPoint, aPoint ).Edge(); + aBuilder.Add( aComp, aPointEdge ); + } + } + if( !isPolyline ) { + // compute BSpline + Handle(Geom_BSplineCurve) aBSplineCurve; + GeomAPI_Interpolate aGBC(aHCurvePoints, aSectIsClosed, gp::Resolution()); + aGBC.Perform(); + if ( aGBC.IsDone() ) + aBSplineCurve = aGBC.Curve(); + TopoDS_Edge anEdge = BRepBuilderAPI_MakeEdge( aBSplineCurve ).Edge(); + TopoDS_Wire aWire = BRepBuilderAPI_MakeWire( anEdge ).Wire(); + aBuilder.Add( aComp, aWire ); + } + } + } + theShape = aComp; +} + +class ComparePnt +{ +public: + ComparePnt( const gp_Pnt& thePoint ) : myPoint( thePoint) {}; + ~ComparePnt() {} + + bool operator < ( const ComparePnt& theOtherPoint ) const + { + bool isLess = myPoint.X() < theOtherPoint.myPoint.X(); + if ( !isLess && myPoint.X() == theOtherPoint.myPoint.X() ) { + isLess = myPoint.Y() < theOtherPoint.myPoint.Y(); + if ( !isLess && myPoint.Y() == theOtherPoint.myPoint.Y() ) + isLess = myPoint.Z() < theOtherPoint.myPoint.Z(); + } + return isLess; + } +private: + gp_Pnt myPoint; +}; + +void CurveCreator_Utils::getSelectedPoints( Handle(AIS_InteractiveContext) theContext, + const CurveCreator_ICurve* theCurve, + CurveCreator_ICurve::SectionToPointList& thePoints ) +{ + thePoints.clear(); + + std::list aSelectedPoints; + gp_Pnt aPnt; + std::map aPntMap; + + CurveCreator_ICurve::SectionToPointList aPoints; + for ( theContext->InitSelected(); theContext->MoreSelected(); theContext->NextSelected() ) { + TopoDS_Vertex aVertex; + TopoDS_Shape aShape = theContext->SelectedShape(); + if ( !aShape.IsNull() && aShape.ShapeType() == TopAbs_VERTEX ) + aVertex = TopoDS::Vertex( theContext->SelectedShape() ); + + if ( aVertex.IsNull() ) + continue; + aPnt = BRep_Tool::Pnt( aVertex ); + if ( aPntMap.find( aPnt ) != aPntMap.end() ) + continue; + aPntMap[aPnt] = 0; + + CurveCreator_UtilsICurve::findSectionsToPoints( theCurve, aPnt.X(), aPnt.Y(), aPoints ); + CurveCreator_ICurve::SectionToPointList::const_iterator anIt = aPoints.begin(), + aLast = aPoints.end(); + for ( ; anIt != aLast; anIt++ ) + thePoints.push_back( *anIt ); + } +} + +void CurveCreator_Utils::setSelectedPoints( Handle(AIS_InteractiveContext) theContext, + const CurveCreator_ICurve* theCurve, + const CurveCreator_ICurve::SectionToPointList& thePoints ) +{ + if ( !theCurve ) + return; + + Handle(AIS_InteractiveObject) anAIS = theCurve->getAISObject(); + if ( anAIS.IsNull() ) + return; + Handle(AIS_Shape) anAISShape = Handle(AIS_Shape)::DownCast( anAIS ); + if ( anAISShape.IsNull() ) + return; + + //ASL: we convert list of point indices to list of points coordinates + int aSize = thePoints.size(); + std::vector aPntsToSelect( aSize ); + + CurveCreator_ICurve::SectionToPointList::const_iterator + aPIt = thePoints.begin(), aPLast = thePoints.end(); + CurveCreator_ICurve::SectionToPoint aSToPoint; + for( int i=0; aPIt != aPLast; aPIt++, i++ ) + { + gp_Pnt aPntToSelect; + CurveCreator_UtilsICurve::getPoint( theCurve, aPIt->first, aPIt->second, aPntToSelect ); + aPntsToSelect[i] = aPntToSelect; + } + + theContext->ClearSelected( Standard_False ); + //ASL: we switch off automatic highlight to improve performance of selection + theContext->SetAutomaticHilight( Standard_False ); + + Handle_SelectMgr_Selection aSelection = anAISShape->Selection( AIS_Shape::SelectionMode( TopAbs_VERTEX ) ); + for( aSelection->Init(); aSelection->More(); aSelection->Next() ) + { + Handle_SelectBasics_SensitiveEntity aSenEntity = aSelection->Sensitive(); + Handle_Select3D_SensitivePoint aSenPnt = Handle_Select3D_SensitivePoint::DownCast( aSenEntity ); + + gp_Pnt anOwnerPnt = aSenPnt->Point(); + Handle_SelectMgr_EntityOwner anOwner = Handle_SelectMgr_EntityOwner::DownCast( aSenPnt->OwnerId() ); + + + CurveCreator_ICurve::SectionToPointList::const_iterator anIt = thePoints.begin(), + aLast = thePoints.end(); + bool isFound = false; + for( int i=0; iAddOrRemoveSelected( anOwner, Standard_False ); + break; + } + } + } + + //ASL: we switch on again automatic highlight (otherwise selection will not be shown) + // and call HilightPicked to draw selected owners + theContext->SetAutomaticHilight( Standard_True ); + theContext->LocalContext()->HilightPicked( Standard_True ); +} + +//======================================================================= +// function : setLocalPointContext +// purpose : Open/close the viewer local context +//======================================================================= +void CurveCreator_Utils::setLocalPointContext( const CurveCreator_ICurve* theCurve, + Handle(AIS_InteractiveContext) theContext, + const bool theOpen ) +{ + if ( !theContext ) + return; + + if ( theOpen ) { + // Open local context if there is no one + if ( !theContext->HasOpenedContext() ) { + theContext->ClearCurrents( false ); + theContext->OpenLocalContext( false/*use displayed objects*/, true/*allow shape decomposition*/ ); + } + // load the curve AIS object to the local context with the point selection + Handle(AIS_InteractiveObject) anAIS = theCurve->getAISObject(); + if ( !anAIS.IsNull() ) + { + if ( anAIS->IsKind( STANDARD_TYPE( AIS_Shape ) ) ) + { + theContext->Load( anAIS, -1/*selection mode*/, true/*allow decomposition*/ ); + theContext->Activate( anAIS, AIS_Shape::SelectionMode( (TopAbs_ShapeEnum)TopAbs_VERTEX ) ); + } + } + } + else { + if ( theContext->HasOpenedContext() ) + theContext->CloseAllContexts(); + } +} + +bool CurveCreator_Utils::pointOnObject( Handle(V3d_View) theView, + Handle(AIS_InteractiveObject) theObject, + const int theX, const int theY, + gp_Pnt& thePoint, + gp_Pnt& thePoint1, gp_Pnt& thePoint2 ) +{ + bool isFullFound = false; + + if ( theObject.IsNull() || theView.IsNull() ) + return isFullFound; + Handle(AIS_Shape) aShape = Handle(AIS_Shape)::DownCast( theObject ); + if ( aShape.IsNull() ) + return isFullFound; + const TopoDS_Compound& aCompound = TopoDS::Compound( aShape->Shape() ); + if ( aCompound.IsNull() ) + return isFullFound; + + gp_Pnt aCurPoint, aCurPoint1, aCurPoint2; + gp_Pnt aFoundPoint, aFoundPnt1, aFoundPnt2; + Standard_Real aParameter; + bool isFound = false; + int aDelta, aMinDelta = 2*SCENE_PIXEL_PROJECTION_TOLERANCE*SCENE_PIXEL_PROJECTION_TOLERANCE; + TopExp_Explorer anExp( aCompound, TopAbs_EDGE ); + for ( ; anExp.More(); anExp.Next()) + { + const TopoDS_Edge& anEdge = TopoDS::Edge(anExp.Current()); + if ( anEdge.IsNull() ) + continue; + Standard_Real aFirst, aLast; + Handle(Geom_Curve) aCurve = BRep_Tool::Curve( anEdge, aFirst, aLast ); + if ( aCurve->IsKind( STANDARD_TYPE(Geom_BSplineCurve) ) ) { + Handle(Geom_BSplineCurve) aBSplineCurve = + Handle(Geom_BSplineCurve)::DownCast( aCurve ); + if ( !aBSplineCurve.IsNull() ) { + isFound = hasProjectPointOnCurve( theView, theX, theY, aBSplineCurve, + aParameter, aDelta ); + if ( isFound ) { + aCurPoint = aBSplineCurve->Value( aParameter ); + Standard_Integer anI1, anI2; + aBSplineCurve->LocateU( aParameter, LOCAL_SELECTION_TOLERANCE, anI1, anI2 ); + aCurPoint1 = aBSplineCurve->Value( aBSplineCurve->Knot( anI1 ) ); + aCurPoint2 = aBSplineCurve->Value( aBSplineCurve->Knot( anI2 ) ); + } + } + } + else { // a curve built on a polyline edge + Handle(Geom_Line) aGLine = Handle(Geom_Line)::DownCast( aCurve ); + if ( aGLine.IsNull() ) + continue; + isFound = hasProjectPointOnCurve( theView, theX, theY, aGLine, aParameter, + aDelta ); + if ( isFound ) { + aCurPoint = aGLine->Value( aParameter ); + TopoDS_Vertex V1, V2; + TopExp::Vertices( anEdge, V1, V2, Standard_True ); + if ( V1.IsNull() || V2.IsNull() ) + continue; + aCurPoint1 = BRep_Tool::Pnt(V1); + aCurPoint2 = BRep_Tool::Pnt(V2); + + // check that the projected point is on the bounded curve + gp_Vec aVec1( aCurPoint1, aCurPoint ); + gp_Vec aVec2( aCurPoint2, aCurPoint ); + isFound = fabs( aVec1.Angle( aVec2 ) - M_PI ) < LOCAL_SELECTION_TOLERANCE; + } + } + if ( isFound && aMinDelta >= aDelta ) { + aMinDelta = aDelta; + + isFullFound = true; + aFoundPnt1 = aCurPoint1; + aFoundPnt2 = aCurPoint2; + aFoundPoint = aCurPoint; + } + } + if ( isFullFound ) { + int aX, anY, aX1, anY1, aX2, anY2; + int aDelta; + CurveCreator_Utils::ConvertPointToClick( aFoundPoint, theView, aX, anY ); + CurveCreator_Utils::ConvertPointToClick( aFoundPnt1, theView, aX1, anY1 ); + CurveCreator_Utils::ConvertPointToClick( aFoundPnt2, theView, aX2, anY2 ); + + isFullFound = !isEqualPixels( aX, anY, aX1, anY1, SCENE_PIXEL_POINT_TOLERANCE, aDelta ) && + !isEqualPixels( aX, anY, aX2, anY2, SCENE_PIXEL_POINT_TOLERANCE, aDelta ); + if ( isFullFound ) { + thePoint = aFoundPoint; + thePoint1 = aFoundPnt1; + thePoint2 = aFoundPnt2; + } + } + return isFullFound; +} + +bool CurveCreator_Utils::hasProjectPointOnCurve( Handle(V3d_View) theView, + const int theX, const int theY, + const Handle(Geom_Curve)& theCurve, + Standard_Real& theParameter, + int& theDelta ) +{ + bool isFound = false; + if ( theView.IsNull() ) + return isFound; + + gp_Pnt aPoint = CurveCreator_Utils::ConvertClickToPoint( theX, theY, theView ); + + GeomAPI_ProjectPointOnCurve aProj( aPoint, theCurve ); + Standard_Integer aNbPoint = aProj.NbPoints(); + if (aNbPoint > 0) { + for (Standard_Integer j = 1; j <= aNbPoint && !isFound; j++) { + gp_Pnt aNewPoint = aProj.Point( j ); + theParameter = aProj.Parameter( j ); + + int aX, anY; + CurveCreator_Utils::ConvertPointToClick( aNewPoint, theView, aX, anY ); + + isFound = isEqualPixels( aX, anY, theX, theY, SCENE_PIXEL_PROJECTION_TOLERANCE, theDelta ); + } + } + return isFound; +} + +bool CurveCreator_Utils::isEqualPixels( const int theX, const int theY, const int theOtherX, + const int theOtherY, const double theTolerance, int& theDelta ) +{ + int aXDelta = abs( theX - theOtherX ); + int anYDelta = abs( theY - theOtherY ); + + theDelta = aXDelta*aXDelta + anYDelta*anYDelta; + + return aXDelta < theTolerance && anYDelta < theTolerance; }