/*!
* \brief Constructor
*/
- SMESH_NodeSearcherImpl( const SMDS_Mesh* theMesh )
+ SMESH_NodeSearcherImpl( const SMDS_Mesh* theMesh = 0,
+ SMDS_ElemIteratorPtr theElemIt = SMDS_ElemIteratorPtr() )
{
myMesh = ( SMDS_Mesh* ) theMesh;
while ( nIt->more() )
nodes.insert( nodes.end(), nIt->next() );
}
+ else if ( theElemIt )
+ {
+ while ( theElemIt->more() )
+ {
+ const SMDS_MeshElement* e = theElemIt->next();
+ nodes.insert( e->begin_nodes(), e->end_nodes() );
+ }
+ }
myOctreeNode = new SMESH_OctreeNode(nodes) ;
// get max size of a leaf box
ElementBndBoxTree::~ElementBndBoxTree()
{
- for ( int i = 0; i < _elements.size(); ++i )
+ for ( size_t i = 0; i < _elements.size(); ++i )
if ( --_elements[i]->_refCount <= 0 )
delete _elements[i];
}
Bnd_B3d* ElementBndBoxTree::buildRootBox()
{
Bnd_B3d* box = new Bnd_B3d;
- for ( int i = 0; i < _elements.size(); ++i )
+ for ( size_t i = 0; i < _elements.size(); ++i )
box->Add( *_elements[i] );
return box;
}
void ElementBndBoxTree::buildChildrenData()
{
- for ( int i = 0; i < _elements.size(); ++i )
+ for ( size_t i = 0; i < _elements.size(); ++i )
{
for (int j = 0; j < 8; j++)
{
for (int j = 0; j < 8; j++)
{
ElementBndBoxTree* child = static_cast<ElementBndBoxTree*>( myChildren[j]);
- if ( child->_elements.size() <= MaxNbElemsInLeaf )
+ if ((int) child->_elements.size() <= MaxNbElemsInLeaf )
child->myIsLeaf = true;
if ( child->_elements.capacity() - child->_elements.size() > 1000 )
if ( isLeaf() )
{
- for ( int i = 0; i < _elements.size(); ++i )
+ for ( size_t i = 0; i < _elements.size(); ++i )
if ( !_elements[i]->IsOut( point.XYZ() ))
foundElems.insert( _elements[i]->_element );
}
if ( isLeaf() )
{
- for ( int i = 0; i < _elements.size(); ++i )
+ for ( size_t i = 0; i < _elements.size(); ++i )
if ( !_elements[i]->IsOut( line ))
foundElems.insert( _elements[i]->_element );
}
if ( isLeaf() )
{
- for ( int i = 0; i < _elements.size(); ++i )
+ for ( size_t i = 0; i < _elements.size(); ++i )
if ( !_elements[i]->IsOut( center, radius ))
foundElems.insert( _elements[i]->_element );
}
void GetElementsNearLine( const gp_Ax1& line,
SMDSAbs_ElementType type,
vector< const SMDS_MeshElement* >& foundElems);
+ void GetElementsInSphere( const gp_XYZ& center,
+ const double radius,
+ SMDSAbs_ElementType type,
+ vector< const SMDS_MeshElement* >& foundElems);
double getTolerance();
bool getIntersParamOnLine(const gp_Lin& line, const SMDS_MeshElement* face,
const double tolerance, double & param);
{
return _outerFaces.empty() || _outerFaces.count(face);
}
+
struct TInters //!< data of intersection of the line and the mesh face (used in GetPointState())
{
const SMDS_MeshElement* _face;
set< const SMDS_MeshElement*, TIDCompare >::const_iterator face = faces.begin();
for ( ; face != faces.end(); ++face )
{
+ if ( *face == outerFace ) continue;
if ( !SMESH_MeshAlgos::FaceNormal( *face, fNorm, /*normalized=*/false ))
continue;
gp_Vec dirInF = gp_Vec( fNorm ) ^ n1n2;
// store the found outer face and add its links to continue seaching from
if ( outerFace2 )
{
- _outerFaces.insert( outerFace );
- int nbNodes = outerFace2->NbNodes()/( outerFace2->IsQuadratic() ? 2 : 1 );
+ _outerFaces.insert( outerFace2 );
+ int nbNodes = outerFace2->NbCornerNodes();
for ( int i = 0; i < nbNodes; ++i )
{
SMESH_TLink link2( outerFace2->GetNode(i), outerFace2->GetNode((i+1)%nbNodes));
if ( type == SMDSAbs_Node || type == SMDSAbs_0DElement || type == SMDSAbs_Ball)
{
if ( !_nodeSearcher )
- _nodeSearcher = new SMESH_NodeSearcherImpl( _mesh );
-
+ {
+ if ( _meshPartIt )
+ _nodeSearcher = new SMESH_NodeSearcherImpl( 0, _meshPartIt );
+ else
+ _nodeSearcher = new SMESH_NodeSearcherImpl( _mesh );
+ }
std::vector< const SMDS_MeshNode* > foundNodes;
_nodeSearcher->FindNearPoint( point, tolerance, foundNodes );
foundElems.assign( suspectFaces.begin(), suspectFaces.end());
}
+//=======================================================================
+/*
+ * Return elements whose bounding box intersects a sphere
+ */
+//=======================================================================
+
+void SMESH_ElementSearcherImpl::GetElementsInSphere( const gp_XYZ& center,
+ const double radius,
+ SMDSAbs_ElementType type,
+ vector< const SMDS_MeshElement* >& foundElems)
+{
+ if ( !_ebbTree || _elementType != type )
+ {
+ if ( _ebbTree ) delete _ebbTree;
+ _ebbTree = new ElementBndBoxTree( *_mesh, _elementType = type, _meshPartIt );
+ }
+ TIDSortedElemSet suspectFaces; // elements possibly intersecting the line
+ _ebbTree->getElementsInSphere( center, radius, suspectFaces );
+ foundElems.assign( suspectFaces.begin(), suspectFaces.end() );
+}
+
//=======================================================================
/*!
* \brief Return true if the point is IN or ON of the element
// Node or 0D element -------------------------------------------------------------------------
{
gp_Vec n2p ( xyz[0], point );
- return n2p.SquareMagnitude() <= tol * tol;
+ return n2p.SquareMagnitude() > tol * tol;
}
return true;
}
return GetDistance( dynamic_cast<const SMDS_MeshEdge*>( elem ), point);
case SMDSAbs_Node:
return point.Distance( SMESH_TNodeXYZ( elem ));
+ default:;
}
return -1;
}
// cout << distVec.Magnitude() << " VERTEX " << face->GetNode(pos._index)->GetID() << endl;
return distVec.Magnitude();
}
+ default:;
}
return badDistance;
}
*/
//=======================================================================
-double SMESH_MeshAlgos::GetDistance( const SMDS_MeshEdge* edge, const gp_Pnt& point )
+double SMESH_MeshAlgos::GetDistance( const SMDS_MeshEdge* seg, const gp_Pnt& point )
{
- throw SALOME_Exception(LOCALIZED("not implemented so far"));
+ double dist = Precision::Infinite();
+ if ( !seg ) return dist;
+
+ int i = 0, nbNodes = seg->NbNodes();
+
+ vector< SMESH_TNodeXYZ > xyz( nbNodes );
+ SMDS_ElemIteratorPtr nodeIt = seg->interlacedNodesElemIterator();
+ while ( nodeIt->more() )
+ xyz[ i++ ].Set( nodeIt->next() );
+
+ for ( i = 1; i < nbNodes; ++i )
+ {
+ gp_Vec edge( xyz[i-1], xyz[i] );
+ gp_Vec n1p ( xyz[i-1], point );
+ double u = ( edge * n1p ) / edge.SquareMagnitude(); // param [0,1] on the edge
+ if ( u <= 0. ) {
+ dist = Min( dist, n1p.SquareMagnitude() );
+ }
+ else if ( u >= 1. ) {
+ dist = Min( dist, point.SquareDistance( xyz[i] ));
+ }
+ else {
+ gp_XYZ proj = ( 1. - u ) * xyz[i-1] + u * xyz[i]; // projection of the point on the edge
+ dist = Min( dist, point.SquareDistance( proj ));
+ }
+ }
+ return Sqrt( dist );
}
//=======================================================================
return new SMESH_NodeSearcherImpl( &mesh );
}
+//=======================================================================
+/*!
+ * \brief Return SMESH_NodeSearcher
+ */
+//=======================================================================
+
+SMESH_NodeSearcher* SMESH_MeshAlgos::GetNodeSearcher(SMDS_ElemIteratorPtr elemIt)
+{
+ return new SMESH_NodeSearcherImpl( 0, elemIt );
+}
+
//=======================================================================
/*!
* \brief Return SMESH_ElementSearcher
