mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-08-04 13:13:25 +03:00
Integration of OCCT 6.5.0 from SVN
This commit is contained in:
bugmaster
bugmaster
320
src/MeshVS/MeshVS_DataSource.cxx
Executable file
320
src/MeshVS/MeshVS_DataSource.cxx
Executable file
@@ -0,0 +1,320 @@
|
||||
// File: MeshVS_DataSource.cxx
|
||||
// Created: Tue Sep 16 2003
|
||||
// Author: Alexander SOLOVYOV
|
||||
// Copyright: Open CASCADE 2003
|
||||
|
||||
#include <MeshVS_DataSource.ixx>
|
||||
#include <MeshVS_Tool.hxx>
|
||||
#include <MeshVS_Buffer.hxx>
|
||||
|
||||
#include <gp.hxx>
|
||||
#include <gp_Vec.hxx>
|
||||
#include <TColgp_Array1OfPnt.hxx>
|
||||
#include <TColStd_MapIteratorOfPackedMapOfInteger.hxx>
|
||||
|
||||
//================================================================
|
||||
// Function : Get3DGeom
|
||||
// Purpose :
|
||||
//================================================================
|
||||
Standard_Boolean MeshVS_DataSource::Get3DGeom( const Standard_Integer /*ID*/,
|
||||
Standard_Integer& /*NbNodes*/,
|
||||
Handle( MeshVS_HArray1OfSequenceOfInteger )& /*Data*/ ) const
|
||||
{
|
||||
return Standard_False;
|
||||
}
|
||||
|
||||
//================================================================
|
||||
// Function : GetNormal
|
||||
// Purpose :
|
||||
//================================================================
|
||||
Standard_Boolean MeshVS_DataSource::GetNormal ( const Standard_Integer Id,
|
||||
const Standard_Integer Max,
|
||||
Standard_Real &nx,
|
||||
Standard_Real &ny,
|
||||
Standard_Real &nz ) const
|
||||
{
|
||||
if ( Max <= 0 )
|
||||
return Standard_False;
|
||||
|
||||
MeshVS_Buffer aCoordsBuf (3*Max*sizeof(Standard_Real));
|
||||
TColStd_Array1OfReal Coords ( aCoordsBuf, 1, 3*Max );
|
||||
Standard_Integer nbNodes;
|
||||
MeshVS_EntityType Type;
|
||||
|
||||
Standard_Boolean res = Standard_False;
|
||||
|
||||
if ( !GetGeom ( Id, Standard_True, Coords, nbNodes, Type ) )
|
||||
return res;
|
||||
|
||||
if ( Type == MeshVS_ET_Face && nbNodes >= 3 )
|
||||
{
|
||||
Standard_Real x1 = Coords( 1 );
|
||||
Standard_Real y1 = Coords( 2 );
|
||||
Standard_Real z1 = Coords( 3 );
|
||||
Standard_Real x2 = Coords( 4 );
|
||||
Standard_Real y2 = Coords( 5 );
|
||||
Standard_Real z2 = Coords( 6 );
|
||||
Standard_Real x3 = Coords( ( nbNodes - 1 ) * 3 + 1 );
|
||||
Standard_Real y3 = Coords( ( nbNodes - 1 ) * 3 + 2 );
|
||||
Standard_Real z3 = Coords( ( nbNodes - 1 ) * 3 + 3 );
|
||||
Standard_Real p1 = x2 - x1, p2 = y2 - y1, p3 = z2 - z1,
|
||||
q1 = x3 - x1, q2 = y3 - y1, q3 = z3 - z1;
|
||||
nx = p2*q3 - p3*q2;
|
||||
ny = p3*q1 - p1*q3;
|
||||
nz = p1*q2 - p2*q1;
|
||||
Standard_Real len = sqrt ( nx*nx + ny*ny + nz*nz );
|
||||
if ( len <= gp::Resolution() )
|
||||
{
|
||||
nx = ny = nz = 0;
|
||||
return res;
|
||||
}
|
||||
nx /= len; ny /= len; nz /= len;
|
||||
res = Standard_True;
|
||||
}
|
||||
return res;
|
||||
}
|
||||
|
||||
//================================================================
|
||||
// Function : GetNodeNormal
|
||||
// Purpose :
|
||||
//================================================================
|
||||
Standard_Boolean MeshVS_DataSource::GetNodeNormal
|
||||
( const Standard_Integer /*ranknode*/,
|
||||
const Standard_Integer /*Id*/,
|
||||
Standard_Real &/*nx*/,
|
||||
Standard_Real &/*ny*/,
|
||||
Standard_Real &/*nz*/ ) const
|
||||
{
|
||||
return Standard_False;
|
||||
}
|
||||
|
||||
//================================================================
|
||||
// Function : GetNormalsByElement
|
||||
// Purpose :
|
||||
//================================================================
|
||||
Standard_Boolean MeshVS_DataSource::GetNormalsByElement(const Standard_Integer Id,
|
||||
const Standard_Boolean IsNodal,
|
||||
const Standard_Integer MaxNodes,
|
||||
Handle(TColStd_HArray1OfReal)& Normals) const
|
||||
{
|
||||
MeshVS_Buffer aCoordsBuf (3*MaxNodes*sizeof(Standard_Real));
|
||||
TColStd_Array1OfReal Coords ( aCoordsBuf, 1, 3*MaxNodes );
|
||||
Standard_Integer NbNodes;
|
||||
MeshVS_EntityType Type;
|
||||
|
||||
Standard_Boolean res = Standard_False;
|
||||
if ( MaxNodes <= 0 )
|
||||
return res;
|
||||
|
||||
if ( !GetGeom ( Id, Standard_True, Coords, NbNodes, Type ) )
|
||||
return res;
|
||||
|
||||
Standard_Integer aNbNormals = NbNodes;
|
||||
|
||||
Handle( MeshVS_HArray1OfSequenceOfInteger ) aTopo;
|
||||
if ( Type == MeshVS_ET_Volume )
|
||||
{
|
||||
if( !Get3DGeom( Id, NbNodes, aTopo ) )
|
||||
return res;
|
||||
// calculate number of normals for faces of volume
|
||||
aNbNormals = aTopo->Upper() - aTopo->Lower() + 1;
|
||||
}
|
||||
|
||||
Handle(TColStd_HArray1OfReal) aNormals = new TColStd_HArray1OfReal(1, 3 * aNbNormals );
|
||||
|
||||
Standard_Boolean allNormals = ( Type == MeshVS_ET_Face && IsNodal );
|
||||
// Try returning nodal normals if possible
|
||||
for( Standard_Integer k=1; k<=NbNodes && allNormals; k++ )
|
||||
allNormals = GetNodeNormal( k,
|
||||
Id,
|
||||
aNormals->ChangeValue(3 * k - 2),
|
||||
aNormals->ChangeValue(3 * k - 1),
|
||||
aNormals->ChangeValue(3 * k ) );
|
||||
|
||||
// Nodal normals not available or not needed
|
||||
if ( !allNormals )
|
||||
{
|
||||
switch ( Type )
|
||||
{
|
||||
// Compute a face normal and duplicate it for all element`s nodes
|
||||
case MeshVS_ET_Face:
|
||||
res = GetNormal( Id,
|
||||
MaxNodes,
|
||||
aNormals->ChangeValue(1),
|
||||
aNormals->ChangeValue(2),
|
||||
aNormals->ChangeValue(3) );
|
||||
if ( res )
|
||||
{
|
||||
for( Standard_Integer k=2; k<=NbNodes; k++ )
|
||||
{
|
||||
aNormals->ChangeValue(3 * k - 2) = aNormals->Value(1);
|
||||
aNormals->ChangeValue(3 * k - 1) = aNormals->Value(2);
|
||||
aNormals->ChangeValue(3 * k ) = aNormals->Value(3);
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
// Compute normals for each of volum`s faces - not for each node!
|
||||
case MeshVS_ET_Volume:
|
||||
{
|
||||
gp_Vec norm;
|
||||
Standard_Integer low = Coords.Lower();
|
||||
for ( Standard_Integer k = aTopo->Lower(), last = aTopo->Upper(), i = 1; k <= last; k++, i++ )
|
||||
{
|
||||
const TColStd_SequenceOfInteger& aSeq = aTopo->Value( k );
|
||||
Standard_Integer m = aSeq.Length(), ind;
|
||||
|
||||
norm.SetCoord( 0, 0, 0 );
|
||||
MeshVS_Buffer PolyNodesBuf (3*m*sizeof(Standard_Real));
|
||||
TColStd_Array1OfReal PolyNodes( PolyNodesBuf, 0, 3*m );
|
||||
PolyNodes.SetValue( 0, m );
|
||||
for( Standard_Integer j=1; j<=m; j++ )
|
||||
{
|
||||
ind = aSeq.Value( j );
|
||||
PolyNodes.SetValue( 3*j-2, Coords( low+3*ind ) );
|
||||
PolyNodes.SetValue( 3*j-1, Coords( low+3*ind+1 ) );
|
||||
PolyNodes.SetValue( 3*j, Coords( low+3*ind+2 ) );
|
||||
}
|
||||
|
||||
MeshVS_Tool::GetAverageNormal( PolyNodes, norm );
|
||||
|
||||
aNormals->ChangeValue(i * 3 - 2) = norm.X();
|
||||
aNormals->ChangeValue(i * 3 - 1) = norm.Y();
|
||||
aNormals->ChangeValue(i * 3 ) = norm.Z();
|
||||
}
|
||||
res = Standard_True;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
return res;
|
||||
} // switch ( Type )
|
||||
} // if ( !allNormals )
|
||||
|
||||
if ( res )
|
||||
Normals = aNormals;
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
//================================================================
|
||||
// Function : GetAllGroups
|
||||
// Purpose :
|
||||
//================================================================
|
||||
void MeshVS_DataSource::GetAllGroups( TColStd_PackedMapOfInteger& /*Ids*/ ) const
|
||||
{
|
||||
}
|
||||
|
||||
//================================================================
|
||||
// Function : GetGroup
|
||||
// Purpose :
|
||||
//================================================================
|
||||
Standard_Boolean MeshVS_DataSource::GetGroup( const Standard_Integer /*Id*/,
|
||||
MeshVS_EntityType& Type,
|
||||
TColStd_PackedMapOfInteger& /*Ids*/ ) const
|
||||
{
|
||||
Type = MeshVS_ET_NONE;
|
||||
return Standard_False;
|
||||
}
|
||||
|
||||
|
||||
//================================================================
|
||||
// Function : GetGroupAddr
|
||||
// Purpose :
|
||||
//================================================================
|
||||
Standard_Address MeshVS_DataSource::GetGroupAddr(const Standard_Integer /*ID*/) const
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
//================================================================
|
||||
// Function : IsAdvancedSelectionEnabled
|
||||
// Purpose :
|
||||
//================================================================
|
||||
Standard_Boolean MeshVS_DataSource::IsAdvancedSelectionEnabled() const
|
||||
{
|
||||
return Standard_False;
|
||||
}
|
||||
|
||||
//================================================================
|
||||
// Function : GetDetectedEntities
|
||||
// Purpose :
|
||||
//================================================================
|
||||
Standard_Boolean MeshVS_DataSource::GetDetectedEntities(const Handle(MeshVS_Mesh)& /*theMesh*/,
|
||||
const Standard_Real /*X*/,
|
||||
const Standard_Real /*Y*/,
|
||||
const Standard_Real /*aTol*/,
|
||||
Handle(TColStd_HPackedMapOfInteger)& /*Nodes*/,
|
||||
Handle(TColStd_HPackedMapOfInteger)& /*Elements*/,
|
||||
Standard_Real& /*DMin*/)
|
||||
{
|
||||
return Standard_False;
|
||||
}
|
||||
|
||||
//================================================================
|
||||
// Function : GetDetectedEntities
|
||||
// Purpose :
|
||||
//================================================================
|
||||
Standard_Boolean MeshVS_DataSource::GetDetectedEntities(const Handle(MeshVS_Mesh)& /*theMesh*/,
|
||||
const Standard_Real /*XMin*/,
|
||||
const Standard_Real /*YMin*/,
|
||||
const Standard_Real /*XMax*/,
|
||||
const Standard_Real /*YMax*/,
|
||||
const Standard_Real /*aTol*/,
|
||||
Handle(TColStd_HPackedMapOfInteger)& /*Nodes*/,
|
||||
Handle(TColStd_HPackedMapOfInteger)& /*Elements*/)
|
||||
{
|
||||
return Standard_False;
|
||||
}
|
||||
|
||||
//================================================================
|
||||
// Function : GetDetectedEntities
|
||||
// Purpose :
|
||||
//================================================================
|
||||
Standard_Boolean MeshVS_DataSource::GetDetectedEntities(const Handle(MeshVS_Mesh)& /*theMesh*/,
|
||||
const TColgp_Array1OfPnt2d& /*Polyline*/,
|
||||
const Bnd_Box2d& /*aBox*/,
|
||||
const Standard_Real /*aTol*/,
|
||||
Handle(TColStd_HPackedMapOfInteger)& /*Nodes*/,
|
||||
Handle(TColStd_HPackedMapOfInteger)& /*Elements*/)
|
||||
{
|
||||
return Standard_False;
|
||||
}
|
||||
|
||||
//================================================================
|
||||
// Function : GetDetectedEntities
|
||||
// Purpose :
|
||||
//================================================================
|
||||
Standard_Boolean MeshVS_DataSource::GetDetectedEntities(const Handle(MeshVS_Mesh)& /*theMesh*/,
|
||||
Handle(TColStd_HPackedMapOfInteger)& /*Nodes*/,
|
||||
Handle(TColStd_HPackedMapOfInteger)& /*Elements*/)
|
||||
{
|
||||
return Standard_False;
|
||||
}
|
||||
|
||||
//================================================================
|
||||
// Function : GetBoundingBox
|
||||
// Purpose :
|
||||
//================================================================
|
||||
Bnd_Box MeshVS_DataSource::GetBoundingBox() const
|
||||
{
|
||||
// Compute the 3D bounding box for mesh
|
||||
Bnd_Box aBox;
|
||||
const TColStd_PackedMapOfInteger& aNodes = GetAllNodes();
|
||||
if( aNodes.Extent() )
|
||||
{
|
||||
Standard_Real aCoordsBuf[ 3 ];
|
||||
TColStd_Array1OfReal aCoords (*aCoordsBuf, 1, 3);
|
||||
Standard_Integer nbNodes;
|
||||
MeshVS_EntityType aType;
|
||||
TColStd_MapIteratorOfPackedMapOfInteger anIter (aNodes);
|
||||
for ( ; anIter.More(); anIter.Next() )
|
||||
{
|
||||
Standard_Integer aKey = anIter.Key();
|
||||
if ( !GetGeom ( aKey, Standard_False, aCoords, nbNodes, aType ) )
|
||||
continue;
|
||||
aBox.Add( gp_Pnt( aCoordsBuf[0], aCoordsBuf[1], aCoordsBuf[2] ) );
|
||||
}
|
||||
}
|
||||
return aBox;
|
||||
}
|
||||
Reference in New Issue
Block a user