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// File: MeshVS_SensitiveMesh.cxx
// Created: Thu Jan 29 2007
// Author: Sergey KOCHETKOV
// Copyright: Open CASCADE 2007
#include <MeshVS_SensitiveMesh.ixx>
#include <TColgp_Array1OfPnt.hxx>
#include <TColStd_Array1OfReal.hxx>
#include <TColStd_HPackedMapOfInteger.hxx>
#include <Select3D_Projector.hxx>
#include <TopLoc_Location.hxx>
#include <MeshVS_DataSource.hxx>
#include <MeshVS_MeshOwner.hxx>
//=======================================================================
// name : MeshVS_SensitiveMesh::MeshVS_SensitiveMesh
// Purpose :
//=======================================================================
MeshVS_SensitiveMesh::MeshVS_SensitiveMesh (const Handle(SelectBasics_EntityOwner)& theOwnerId,
const Standard_Integer theMode)
: Select3D_SensitiveEntity( theOwnerId )
{
myMode = theMode;
mybox.SetVoid();
Handle(MeshVS_MeshOwner) anOwner = Handle(MeshVS_MeshOwner)::DownCast( OwnerId() );
if( !anOwner.IsNull() )
{
Handle(MeshVS_DataSource) aDS = anOwner->GetDataSource();
if( !aDS.IsNull() )
mybox = aDS->GetBoundingBox();
}
}
//================================================================
// Function : GetMode
// Purpose :
//================================================================
Standard_Integer MeshVS_SensitiveMesh::GetMode () const
{
return myMode;
}
//=======================================================================
// name : Matches
// Purpose :
//=======================================================================
Standard_Boolean MeshVS_SensitiveMesh::Matches(const Standard_Real X,
const Standard_Real Y,
const Standard_Real aTol,
Standard_Real& DMin)
{
DMin = 0.;
Handle(MeshVS_MeshOwner) anOwner = Handle(MeshVS_MeshOwner)::DownCast( OwnerId() );
if( anOwner.IsNull() ) return Standard_False;
Handle(MeshVS_Mesh) aMeshPrs = Handle(MeshVS_Mesh)::DownCast( anOwner->Selectable() );
if( aMeshPrs.IsNull() ) return Standard_False;
Handle(MeshVS_DataSource) aDS = anOwner->GetDataSource();
if( aDS.IsNull() ) return Standard_False;
Handle(TColStd_HPackedMapOfInteger) NodesMap;
Handle(TColStd_HPackedMapOfInteger) ElemsMap;
// Mesh data source should provide the algorithm for computation
// of detected entities from 2D point
Standard_Boolean isDetected = aDS->GetDetectedEntities( aMeshPrs, X, Y, aTol, NodesMap, ElemsMap, DMin );
// The detected entites will be available from mesh owner
anOwner->SetDetectedEntities( NodesMap, ElemsMap );
return isDetected;
}
//=======================================================================
// name : Matches
// Purpose :
//=======================================================================
Standard_Boolean MeshVS_SensitiveMesh::Matches(const Standard_Real XMin,
const Standard_Real YMin,
const Standard_Real XMax,
const Standard_Real YMax,
const Standard_Real aTol)
{
Handle(MeshVS_MeshOwner) anOwner = Handle(MeshVS_MeshOwner)::DownCast( OwnerId() );
if( anOwner.IsNull() ) return Standard_False;
Handle(MeshVS_Mesh) aMeshPrs = Handle(MeshVS_Mesh)::DownCast( anOwner->Selectable() );
if( aMeshPrs.IsNull() ) return Standard_False;
Handle(MeshVS_DataSource) aDS = anOwner->GetDataSource();
if( aDS.IsNull() ) return Standard_False;
Handle(TColStd_HPackedMapOfInteger) NodesMap;
Handle(TColStd_HPackedMapOfInteger) ElemsMap;
// Mesh data source should provide the algorithm for computation
// of detected entities from 2D box area
Standard_Boolean isDetected = aDS->GetDetectedEntities( aMeshPrs, XMin, YMin, XMax, YMax, aTol, NodesMap, ElemsMap );
// The detected entites will be available from mesh owner
anOwner->SetDetectedEntities( NodesMap, ElemsMap );
return isDetected;
}
//=======================================================================
// name : Matches
// Purpose :
//=======================================================================
Standard_Boolean MeshVS_SensitiveMesh::Matches(const TColgp_Array1OfPnt2d& Polyline,
const Bnd_Box2d& aBox,
const Standard_Real aTol)
{
Handle(MeshVS_MeshOwner) anOwner = Handle(MeshVS_MeshOwner)::DownCast( OwnerId() );
if( anOwner.IsNull() ) return Standard_False;
Handle(MeshVS_Mesh) aMeshPrs = Handle(MeshVS_Mesh)::DownCast( anOwner->Selectable() );
if( aMeshPrs.IsNull() ) return Standard_False;
Handle(MeshVS_DataSource) aDS = anOwner->GetDataSource();
if( aDS.IsNull() ) return Standard_False;
Handle(TColStd_HPackedMapOfInteger) NodesMap;
Handle(TColStd_HPackedMapOfInteger) ElemsMap;
// Mesh data source should provide the algorithm for computation
// of detected entities from 2D polyline
Standard_Boolean isDetected = aDS->GetDetectedEntities( aMeshPrs, Polyline, aBox, aTol, NodesMap, ElemsMap );
// The detected entites will be available from mesh owner
anOwner->SetDetectedEntities( NodesMap, ElemsMap );
return isDetected;
}
//=======================================================================
// name : GetConnected
// Purpose :
//=======================================================================
Handle(Select3D_SensitiveEntity) MeshVS_SensitiveMesh::GetConnected( const TopLoc_Location& aLoc )
{
Handle(MeshVS_SensitiveMesh) aMeshEnt = new MeshVS_SensitiveMesh( myOwnerId );
if(HasLocation()) aMeshEnt->SetLocation( Location() );
aMeshEnt->UpdateLocation( aLoc );
return aMeshEnt;
}
//=======================================================================
//function : ComputeDepth
//purpose :
//=======================================================================
Standard_Real MeshVS_SensitiveMesh::ComputeDepth( const gp_Lin& /*EyeLine*/ ) const
{
return Precision::Infinite();
}
//==================================================
// Function: ProjectOneCorner
// Purpose :
//==================================================
void MeshVS_SensitiveMesh::ProjectOneCorner(const Handle(Select3D_Projector)& theProj,
const Standard_Real theX,
const Standard_Real theY,
const Standard_Real theZ)
{
gp_Pnt aPnt( theX, theY, theZ );
gp_Pnt2d aProjPnt;
if( HasLocation() )
theProj->Project( aPnt.Transformed(Location().Transformation()), aProjPnt );
else
theProj->Project( aPnt, aProjPnt );
mybox2d.Add( aProjPnt );
}
//==================================================
// Function: Project
// Purpose :
//==================================================
void MeshVS_SensitiveMesh::Project(const Handle(Select3D_Projector)& aProj)
{
Select3D_SensitiveEntity::Project(aProj); // to set the field last proj...
mybox2d.SetVoid();
if (mybox.IsVoid())
return;
// Compute the 2D bounding box - projection of mesh bounding box
Handle(MeshVS_MeshOwner) anOwner = Handle(MeshVS_MeshOwner)::DownCast( OwnerId() );
if( anOwner.IsNull() ) return;
Handle(MeshVS_DataSource) aDS = anOwner->GetDataSource();
if( aDS.IsNull() ) return;
Standard_Real XMin, YMin, ZMin, XMax, YMax, ZMax;
mybox.Get( XMin, YMin, ZMin, XMax, YMax, ZMax );
ProjectOneCorner (aProj, XMin, YMin, ZMin);
ProjectOneCorner (aProj, XMin, YMin, ZMax);
ProjectOneCorner (aProj, XMin, YMax, ZMin);
ProjectOneCorner (aProj, XMin, YMax, ZMax);
ProjectOneCorner (aProj, XMax, YMin, ZMin);
ProjectOneCorner (aProj, XMax, YMin, ZMax);
ProjectOneCorner (aProj, XMax, YMax, ZMin);
ProjectOneCorner (aProj, XMax, YMax, ZMax);
}
//==================================================
// Function: Areas
// Purpose :
//==================================================
void MeshVS_SensitiveMesh::Areas( SelectBasics_ListOfBox2d& aSeq )
{
aSeq.Append(mybox2d);
}
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