mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-12-25 17:00:34 +05:00
23422: EDF 14312 - Strange behavior of Viscous Layer Surface offset + smooth
+ Extract Morph from StdMeshers_Projection_2D.cxx + Fix formatting in SMESH_ScalarBarActor.cxx
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@ -2,10 +2,10 @@
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\page smeshpy_interface_page Python interface
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Python API for SALOME %Mesh module defines several classes that can
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Python API of SALOME %Mesh module defines several classes that can
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be used for easy mesh creation and edition.
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Documentation for SALOME %Mesh module Python API is available in two forms:
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Documentation of SALOME %Mesh module Python API is available in two forms:
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- <a href="smeshpy_doc/modules.html">Structured documentation</a>, where all methods and
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classes are grouped by their functionality.
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- <a href="smeshpy_doc/namespaces.html">Linear documentation</a> grouped only by classes, declared
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File diff suppressed because it is too large
Load Diff
@ -174,7 +174,7 @@ class SMESHOBJECT_EXPORT SMESH_ScalarBarActor: public vtkActor2D {
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virtual int GetDistributionVisibility();
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// Description:
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// Set distribution
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virtual void SetDistribution(std::vector<int> theNbValues);
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virtual void SetDistribution(const std::vector<int>& theNbValues);
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// Description:
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// Set distribution coloring type (SMESH_MONOCOLOR_TYPE or SMESH_MULTICOLOR_TYPE)
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@ -97,7 +97,7 @@ SMESHGUI_DisplayEntitiesDlg::SMESHGUI_DisplayEntitiesDlg( QWidget* parent )
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hl->addWidget( nb0DElemsLab, 0, 1 );
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my0DElemsTB->setEnabled( nbElements );
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nb0DElemsLab->setEnabled( nbElements );
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myNbTypes += ( nbElements > 0 );
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myNbTypes = ( nbElements > 0 );
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// Edges
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nbElements = myActor ? myActor->GetObject()->GetNbEntities( SMDSAbs_Edge ) : aMesh->NbEdges();
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@ -28,6 +28,7 @@
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#include "StdMeshers_ProjectionUtils.hxx"
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#include "SMDS_EdgePosition.hxx"
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#include "SMDS_FacePosition.hxx"
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#include "SMESHDS_Mesh.hxx"
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#include "SMESH_Algo.hxx"
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#include "SMESH_Block.hxx"
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@ -46,6 +47,7 @@
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#include "utilities.h"
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#include <BRepAdaptor_Surface.hxx>
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#include <BRepMesh_Delaun.hxx>
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#include <BRepTools.hxx>
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#include <BRepTools_WireExplorer.hxx>
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#include <BRep_Builder.hxx>
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@ -2787,4 +2789,320 @@ namespace StdMeshers_ProjectionUtils
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}
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return true;
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}
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}
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//================================================================================
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/*!
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* \brief Add in-FACE nodes surrounding a given node to a queue
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*/
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//================================================================================
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typedef list< pair< const SMDS_MeshNode*, const BRepMesh_Triangle* > > TNodeTriaList;
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void addCloseNodes( const SMDS_MeshNode* srcNode,
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const BRepMesh_Triangle* bmTria,
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const int srcFaceID,
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TNodeTriaList & noTriQueue )
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{
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// find in-FACE nodes
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SMDS_ElemIteratorPtr elems = srcNode->GetInverseElementIterator(SMDSAbs_Face);
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while ( elems->more() )
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{
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const SMDS_MeshElement* elem = elems->next();
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if ( elem->getshapeId() == srcFaceID )
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{
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for ( int i = 0, nb = elem->NbNodes(); i < nb; ++i )
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{
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const SMDS_MeshNode* n = elem->GetNode( i );
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if ( !n->isMarked() )
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noTriQueue.push_back( make_pair( n, bmTria ));
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}
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}
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}
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}
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//================================================================================
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/*!
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* \brief Find a delauney triangle containing a given 2D point and return
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* barycentric coordinates within the found triangle
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*/
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//================================================================================
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const BRepMesh_Triangle* findTriangle( const gp_XY& uv,
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const BRepMesh_Triangle* bmTria,
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Handle(BRepMesh_DataStructureOfDelaun)& triaDS,
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double bc[3] )
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{
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int nodeIDs[3];
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gp_XY nodeUVs[3];
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int linkIDs[3];
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Standard_Boolean ori[3];
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while ( bmTria )
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{
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// check bmTria
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triaDS->ElementNodes( *bmTria, nodeIDs );
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nodeUVs[0] = triaDS->GetNode( nodeIDs[0] ).Coord();
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nodeUVs[1] = triaDS->GetNode( nodeIDs[1] ).Coord();
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nodeUVs[2] = triaDS->GetNode( nodeIDs[2] ).Coord();
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SMESH_MeshAlgos::GetBarycentricCoords( uv,
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nodeUVs[0], nodeUVs[1], nodeUVs[2],
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bc[0], bc[1] );
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if ( bc[0] >= 0 && bc[1] >= 0 && bc[0] + bc[1] <= 1 )
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{
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bc[2] = 1 - bc[0] - bc[1];
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return bmTria;
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}
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// look for a neighbor triangle, which is adjacent to a link intersected
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// by a segment( triangle center -> uv )
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gp_XY gc = ( nodeUVs[0] + nodeUVs[1] + nodeUVs[2] ) / 3.;
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gp_XY seg = uv - gc;
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bmTria->Edges( linkIDs, ori );
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int triaID = triaDS->IndexOf( *bmTria );
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bmTria = 0;
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for ( int i = 0; i < 3; ++i )
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{
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const BRepMesh_PairOfIndex & triIDs = triaDS->ElementsConnectedTo( linkIDs[i] );
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if ( triIDs.Extent() < 2 )
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continue; // no neighbor triangle
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// check if a link intersects gc2uv
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const BRepMesh_Edge & link = triaDS->GetLink( linkIDs[i] );
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const BRepMesh_Vertex & n1 = triaDS->GetNode( link.FirstNode() );
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const BRepMesh_Vertex & n2 = triaDS->GetNode( link.LastNode() );
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gp_XY uv1 = n1.Coord();
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gp_XY lin = n2.Coord() - uv1; // link direction
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double crossSegLin = seg ^ lin;
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if ( Abs( crossSegLin ) < std::numeric_limits<double>::min() )
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continue; // parallel
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double uSeg = ( uv1 - gc ) ^ lin / crossSegLin;
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if ( 0. <= uSeg && uSeg <= 1. )
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{
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bmTria = & triaDS->GetElement( triIDs.Index( 1 + ( triIDs.Index(1) == triaID )));
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break;
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}
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}
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}
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return bmTria;
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}
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//================================================================================
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/*!
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* \brief triangulate the srcFace in 2D
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* \param [in] srcWires - boundary of the src FACE
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*/
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//================================================================================
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Morph::Morph(const TSideVector& srcWires)
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{
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_srcSubMesh = srcWires[0]->GetMesh()->GetSubMesh( srcWires[0]->Face() );
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// compute _scale
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{
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BRepAdaptor_Surface surf( srcWires[0]->Face() );
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const int nbDiv = 100;
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const double uRange = surf.LastUParameter() - surf.FirstUParameter();
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const double vRange = surf.LastVParameter() - surf.FirstVParameter();
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const double dU = uRange / nbDiv;
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const double dV = vRange / nbDiv;
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double u = surf.FirstUParameter(), v = surf.FirstVParameter();
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gp_Pnt p0U = surf.Value( u, v ), p0V = p0U;
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double lenU = 0, lenV = 0;
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for ( ; u < surf.LastUParameter(); u += dU, v += dV )
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{
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gp_Pnt p1U = surf.Value( u, surf.FirstVParameter() );
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lenU += p1U.Distance( p0U );
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p0U = p1U;
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gp_Pnt p1V = surf.Value( surf.FirstUParameter(), v );
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lenV += p1V.Distance( p0V );
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p0V = p1V;
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}
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_scale.SetCoord( lenU / uRange, lenV / vRange );
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}
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// count boundary points
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int iP = 1, nbP = 0;
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for ( size_t iW = 0; iW < srcWires.size(); ++iW )
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nbP += srcWires[iW]->NbPoints() - 1; // 1st and last points coincide
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_bndSrcNodes.resize( nbP + 1 ); _bndSrcNodes[0] = 0;
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// fill boundary points
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BRepMesh::Array1OfVertexOfDelaun srcVert( 1, 1 + nbP );
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BRepMesh_Vertex v( 0, 0, BRepMesh_Frontier );
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for ( size_t iW = 0; iW < srcWires.size(); ++iW )
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{
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const UVPtStructVec& srcPnt = srcWires[iW]->GetUVPtStruct();
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for ( int i = 0, nb = srcPnt.size() - 1; i < nb; ++i, ++iP )
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{
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_bndSrcNodes[ iP ] = srcPnt[i].node;
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srcPnt[i].node->setIsMarked( true );
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v.ChangeCoord() = srcPnt[i].UV().Multiplied( _scale );
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srcVert( iP ) = v;
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}
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}
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// triangulate the srcFace in 2D
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BRepMesh_Delaun delauney( srcVert );
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_triaDS = delauney.Result();
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}
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//================================================================================
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/*!
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* \brief Move non-marked target nodes
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* \param [in,out] tgtHelper - helper
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* \param [in] tgtWires - boundary nodes of the target FACE; must be in the
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* same order as the nodes in srcWires given in the constructor
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* \param [in] src2tgtNodes - map of src -> tgt nodes
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* \param [in] moveAll - to move all nodes; if \c false, move only non-marked nodes
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* \return bool - Ok or not
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*/
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//================================================================================
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bool Morph::Perform(SMESH_MesherHelper& tgtHelper,
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const TSideVector& tgtWires,
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Handle(ShapeAnalysis_Surface) tgtSurface,
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const TNodeNodeMap& src2tgtNodes,
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const bool moveAll)
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{
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// get tgt boundary points corresponding to _bndSrcNodes
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size_t nbP = 0;
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for ( size_t iW = 0; iW < tgtWires.size(); ++iW )
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nbP += tgtWires[iW]->NbPoints() - 1; // 1st and last points coincide
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if ( nbP != _bndSrcNodes.size() - 1 )
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return false;
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BRepMesh::Array1OfVertexOfDelaun tgtVert( 1, 1 + nbP );
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BRepMesh_Vertex v( 0, 0, BRepMesh_Frontier );
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for ( size_t iW = 0, iP = 1; iW < tgtWires.size(); ++iW )
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{
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const UVPtStructVec& tgtPnt = tgtWires[iW]->GetUVPtStruct();
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for ( int i = 0, nb = tgtPnt.size() - 1; i < nb; ++i, ++iP )
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{
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v.ChangeCoord() = tgtPnt[i].UV().Multiplied( _scale );
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tgtVert( iP ) = v;
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}
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}
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const TopoDS_Face& srcFace = TopoDS::Face( _srcSubMesh->GetSubShape() );
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const int srcFaceID = _srcSubMesh->GetId();
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SMESHDS_Mesh* tgtMesh = tgtHelper.GetMeshDS();
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const SMDS_MeshNode *srcNode, *tgtNode;
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const BRepMesh_Triangle *bmTria;
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// initialize a queue of nodes with starting triangles
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TNodeTriaList noTriQueue;
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size_t iBndSrcN = 1;
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for ( ; iBndSrcN < _bndSrcNodes.size() && noTriQueue.empty(); ++iBndSrcN )
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{
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// get a triangle
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const BRepMesh::ListOfInteger & linkIds = _triaDS->LinksConnectedTo( iBndSrcN );
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const BRepMesh_PairOfIndex & triaIds = _triaDS->ElementsConnectedTo( linkIds.First() );
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const BRepMesh_Triangle& tria = _triaDS->GetElement( triaIds.Index(1) );
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addCloseNodes( _bndSrcNodes[ iBndSrcN ], &tria, srcFaceID, noTriQueue );
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}
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// un-mark internal src nodes; later we will mark moved nodes
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int nbSrcNodes = 0;
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SMDS_NodeIteratorPtr nIt = _srcSubMesh->GetSubMeshDS()->GetNodes();
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if ( !nIt || !nIt->more() ) return true;
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if ( moveAll )
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{
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nbSrcNodes = _srcSubMesh->GetSubMeshDS()->NbNodes();
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while ( nIt->more() )
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nIt->next()->setIsMarked( false );
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}
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else
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{
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while ( nIt->more() )
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nbSrcNodes += int( !nIt->next()->isMarked() );
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}
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// Move tgt nodes
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double bc[3]; // barycentric coordinates
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int nodeIDs[3];
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bool checkUV = true;
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const SMDS_FacePosition* pos;
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while ( nbSrcNodes > 0 )
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{
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while ( !noTriQueue.empty() )
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{
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srcNode = noTriQueue.front().first;
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bmTria = noTriQueue.front().second;
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noTriQueue.pop_front();
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if ( srcNode->isMarked() )
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continue;
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--nbSrcNodes;
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srcNode->setIsMarked( true );
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// find a delauney triangle containing the src node
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gp_XY uv = tgtHelper.GetNodeUV( srcFace, srcNode, NULL, &checkUV );
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uv *= _scale;
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bmTria = findTriangle( uv, bmTria, _triaDS, bc );
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if ( !bmTria )
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continue;
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// compute new coordinates for a corresponding tgt node
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gp_XY uvNew( 0., 0. ), nodeUV;
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_triaDS->ElementNodes( *bmTria, nodeIDs );
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for ( int i = 0; i < 3; ++i )
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uvNew += bc[i] * tgtVert( nodeIDs[i]).Coord();
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uvNew.SetCoord( uvNew.X() / _scale.X(), uvNew.Y() / _scale.Y() );
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gp_Pnt xyz = tgtSurface->Value( uvNew );
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// find and move tgt node
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TNodeNodeMap::const_iterator n2n = src2tgtNodes.find( srcNode );
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if ( n2n == src2tgtNodes.end() ) continue;
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tgtNode = n2n->second;
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tgtMesh->MoveNode( tgtNode, xyz.X(), xyz.Y(), xyz.Z() );
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if (( pos = dynamic_cast< const SMDS_FacePosition* >( tgtNode->GetPosition() )))
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const_cast<SMDS_FacePosition*>( pos )->SetParameters( uvNew.X(), uvNew.Y() );
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addCloseNodes( srcNode, bmTria, srcFaceID, noTriQueue );
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}
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if ( nbSrcNodes > 0 )
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{
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// assure that all src nodes are visited
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for ( ; iBndSrcN < _bndSrcNodes.size() && noTriQueue.empty(); ++iBndSrcN )
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{
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const BRepMesh::ListOfInteger & linkIds = _triaDS->LinksConnectedTo( iBndSrcN );
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const BRepMesh_PairOfIndex & triaIds = _triaDS->ElementsConnectedTo( linkIds.First() );
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const BRepMesh_Triangle& tria = _triaDS->GetElement( triaIds.Index(1) );
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addCloseNodes( _bndSrcNodes[ iBndSrcN ], &tria, srcFaceID, noTriQueue );
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}
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if ( noTriQueue.empty() )
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{
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SMDS_NodeIteratorPtr nIt = _srcSubMesh->GetSubMeshDS()->GetNodes();
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while ( nIt->more() )
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{
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srcNode = nIt->next();
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if ( !srcNode->isMarked() )
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noTriQueue.push_back( make_pair( srcNode, bmTria ));
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}
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}
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}
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}
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return true;
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} // Morph::Perform
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gp_XY Morph::GetBndUV(const int iNode) const
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{
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return _triaDS->GetNode( iNode ).Coord();
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}
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} // namespace StdMeshers_ProjectionUtils
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@ -30,11 +30,14 @@
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#include "SMESH_StdMeshers.hxx"
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#include "StdMeshers_FaceSide.hxx"
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#include "SMDS_MeshElement.hxx"
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#include <BRepMesh_DataStructureOfDelaun.hxx>
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#include <ShapeAnalysis_Surface.hxx>
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#include <TopTools_DataMapOfShapeShape.hxx>
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#include <TopTools_IndexedMapOfShape.hxx>
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#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
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#include <TopTools_IndexedMapOfShape.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Face.hxx>
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#include <TopoDS_Vertex.hxx>
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@ -136,6 +139,33 @@ namespace StdMeshers_ProjectionUtils
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bool Invert();
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};
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/*!
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* \brief Morph mesh on the target FACE to lie within FACE boundary w/o distortion
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*/
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class Morph
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{
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std::vector< const SMDS_MeshNode* > _bndSrcNodes;
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Handle(BRepMesh_DataStructureOfDelaun) _triaDS;
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SMESH_subMesh* _srcSubMesh;
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bool _moveAll;
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gp_XY _scale;
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public:
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Morph(const TSideVector& srcWires);
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bool Perform(SMESH_MesherHelper& tgtHelper,
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const TSideVector& tgtWires,
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Handle(ShapeAnalysis_Surface) tgtSurface,
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const TNodeNodeMap& src2tgtNodes,
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const bool moveAll);
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// return source boundary nodes. 0-th node is zero
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const std::vector< const SMDS_MeshNode* >& GetBndNodes() const { return _bndSrcNodes; }
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// return UV of the i-th source boundary node
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gp_XY GetBndUV(const int iNode) const;
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};
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/*!
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* \brief Looks for association of all sub-shapes of two shapes
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* \param theShape1 - shape 1
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@ -1179,240 +1179,6 @@ namespace {
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return true;
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}
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typedef list< pair< const SMDS_MeshNode*, const BRepMesh_Triangle* > > TNodeTriaList;
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//================================================================================
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/*!
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* \brief Add in-FACE nodes surrounding a given node to a queue
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*/
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//================================================================================
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||||
|
||||
void addCloseNodes( const SMDS_MeshNode* srcNode,
|
||||
const BRepMesh_Triangle* bmTria,
|
||||
const int srcFaceID,
|
||||
TNodeTriaList & noTriQueue )
|
||||
{
|
||||
// find in-FACE nodes
|
||||
SMDS_ElemIteratorPtr elems = srcNode->GetInverseElementIterator(SMDSAbs_Face);
|
||||
while ( elems->more() )
|
||||
{
|
||||
const SMDS_MeshElement* elem = elems->next();
|
||||
if ( elem->getshapeId() == srcFaceID )
|
||||
{
|
||||
for ( int i = 0, nb = elem->NbNodes(); i < nb; ++i )
|
||||
{
|
||||
const SMDS_MeshNode* n = elem->GetNode( i );
|
||||
if ( !n->isMarked() )
|
||||
noTriQueue.push_back( make_pair( n, bmTria ));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//================================================================================
|
||||
/*!
|
||||
* \brief Find a delauney triangle containing a given 2D point and return
|
||||
* barycentric coordinates within the found triangle
|
||||
*/
|
||||
//================================================================================
|
||||
|
||||
const BRepMesh_Triangle* findTriangle( const gp_XY& uv,
|
||||
const BRepMesh_Triangle* bmTria,
|
||||
Handle(BRepMesh_DataStructureOfDelaun)& triaDS,
|
||||
double bc[3] )
|
||||
{
|
||||
int nodeIDs[3];
|
||||
gp_XY nodeUVs[3];
|
||||
int linkIDs[3];
|
||||
Standard_Boolean ori[3];
|
||||
|
||||
while ( bmTria )
|
||||
{
|
||||
// check bmTria
|
||||
|
||||
triaDS->ElementNodes( *bmTria, nodeIDs );
|
||||
nodeUVs[0] = triaDS->GetNode( nodeIDs[0] ).Coord();
|
||||
nodeUVs[1] = triaDS->GetNode( nodeIDs[1] ).Coord();
|
||||
nodeUVs[2] = triaDS->GetNode( nodeIDs[2] ).Coord();
|
||||
|
||||
SMESH_MeshAlgos::GetBarycentricCoords( uv,
|
||||
nodeUVs[0], nodeUVs[1], nodeUVs[2],
|
||||
bc[0], bc[1] );
|
||||
if ( bc[0] >= 0 && bc[1] >= 0 && bc[0] + bc[1] <= 1 )
|
||||
{
|
||||
bc[2] = 1 - bc[0] - bc[1];
|
||||
return bmTria;
|
||||
}
|
||||
|
||||
// look for a neighbor triangle, which is adjacent to a link intersected
|
||||
// by a segment( triangle center -> uv )
|
||||
|
||||
gp_XY gc = ( nodeUVs[0] + nodeUVs[1] + nodeUVs[2] ) / 3.;
|
||||
gp_XY seg = uv - gc;
|
||||
|
||||
bmTria->Edges( linkIDs, ori );
|
||||
int triaID = triaDS->IndexOf( *bmTria );
|
||||
bmTria = 0;
|
||||
|
||||
for ( int i = 0; i < 3; ++i )
|
||||
{
|
||||
const BRepMesh_PairOfIndex & triIDs = triaDS->ElementsConnectedTo( linkIDs[i] );
|
||||
if ( triIDs.Extent() < 2 )
|
||||
continue; // no neighbor triangle
|
||||
|
||||
// check if a link intersects gc2uv
|
||||
const BRepMesh_Edge & link = triaDS->GetLink( linkIDs[i] );
|
||||
const BRepMesh_Vertex & n1 = triaDS->GetNode( link.FirstNode() );
|
||||
const BRepMesh_Vertex & n2 = triaDS->GetNode( link.LastNode() );
|
||||
gp_XY uv1 = n1.Coord();
|
||||
gp_XY lin = n2.Coord() - uv1; // link direction
|
||||
|
||||
double crossSegLin = seg ^ lin;
|
||||
if ( Abs( crossSegLin ) < std::numeric_limits<double>::min() )
|
||||
continue; // parallel
|
||||
|
||||
double uSeg = ( uv1 - gc ) ^ lin / crossSegLin;
|
||||
if ( 0. <= uSeg && uSeg <= 1. )
|
||||
{
|
||||
bmTria = & triaDS->GetElement( triIDs.Index( 1 + ( triIDs.Index(1) == triaID )));
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
return bmTria;
|
||||
}
|
||||
|
||||
//================================================================================
|
||||
/*!
|
||||
* \brief Morph mesh on the target face to lie within FACE boundary w/o distortion
|
||||
*
|
||||
* algo:
|
||||
* - make a CDT on the src FACE
|
||||
* - find a triangle containing a src node and get its barycentric coordinates
|
||||
* - move the node to a point with the same barycentric coordinates in a corresponding
|
||||
* tgt triangle
|
||||
*/
|
||||
//================================================================================
|
||||
|
||||
bool morph( SMESH_MesherHelper& tgtHelper,
|
||||
const TopoDS_Face& tgtFace,
|
||||
const TopoDS_Face& srcFace,
|
||||
const TSideVector& tgtWires,
|
||||
const TSideVector& srcWires,
|
||||
const TAssocTool::TNodeNodeMap& src2tgtNodes )
|
||||
{
|
||||
if ( srcWires.size() != tgtWires.size() ) return false;
|
||||
if ( srcWires.size() == 1 ) return false; // tmp
|
||||
|
||||
// count boundary points
|
||||
int iP = 1, nbP = 0;
|
||||
for ( size_t iW = 0; iW < srcWires.size(); ++iW )
|
||||
nbP += srcWires[iW]->NbPoints() - 1; // 1st and last points coincide
|
||||
|
||||
// fill boundary points
|
||||
BRepMesh::Array1OfVertexOfDelaun srcVert( 1, 1 + nbP ), tgtVert( 1, 1 + nbP );
|
||||
vector< const SMDS_MeshNode* > bndSrcNodes( nbP + 1 ); bndSrcNodes[0] = 0;
|
||||
BRepMesh_Vertex v( 0, 0, BRepMesh_Frontier );
|
||||
for ( size_t iW = 0; iW < srcWires.size(); ++iW )
|
||||
{
|
||||
const UVPtStructVec& srcPnt = srcWires[iW]->GetUVPtStruct();
|
||||
const UVPtStructVec& tgtPnt = tgtWires[iW]->GetUVPtStruct();
|
||||
if ( srcPnt.size() != tgtPnt.size() ) return false;
|
||||
|
||||
for ( int i = 0, nb = srcPnt.size() - 1; i < nb; ++i, ++iP )
|
||||
{
|
||||
bndSrcNodes[ iP ] = srcPnt[i].node;
|
||||
srcPnt[i].node->setIsMarked( true );
|
||||
|
||||
v.ChangeCoord() = srcPnt[i].UV();
|
||||
srcVert( iP ) = v;
|
||||
v.ChangeCoord() = tgtPnt[i].UV();
|
||||
tgtVert( iP ) = v;
|
||||
}
|
||||
}
|
||||
// triangulate the srcFace in 2D
|
||||
BRepMesh_Delaun delauney( srcVert );
|
||||
Handle(BRepMesh_DataStructureOfDelaun) triaDS = delauney.Result();
|
||||
|
||||
Handle(ShapeAnalysis_Surface) tgtSurface = tgtHelper.GetSurface( tgtFace );
|
||||
SMESHDS_Mesh* srcMesh = srcWires[0]->GetMesh()->GetMeshDS();
|
||||
SMESHDS_Mesh* tgtMesh = tgtHelper.GetMeshDS();
|
||||
const SMDS_MeshNode *srcNode, *tgtNode;
|
||||
const BRepMesh_Triangle *bmTria;
|
||||
|
||||
// un-mark internal src nodes; later we will mark moved nodes
|
||||
SMDS_NodeIteratorPtr nIt = srcMesh->MeshElements( srcFace )->GetNodes();
|
||||
if ( !nIt || !nIt->more() ) return true;
|
||||
while ( nIt->more() )
|
||||
( srcNode = nIt->next() )->setIsMarked( false );
|
||||
|
||||
// initialize a queue of nodes with starting triangles
|
||||
const int srcFaceID = srcNode->getshapeId();
|
||||
TNodeTriaList noTriQueue;
|
||||
size_t iBndSrcN = 1;
|
||||
for ( ; iBndSrcN < bndSrcNodes.size() && noTriQueue.empty(); ++iBndSrcN )
|
||||
{
|
||||
// get a triangle
|
||||
const BRepMesh::ListOfInteger & linkIds = triaDS->LinksConnectedTo( iBndSrcN );
|
||||
const BRepMesh_PairOfIndex & triaIds = triaDS->ElementsConnectedTo( linkIds.First() );
|
||||
const BRepMesh_Triangle& tria = triaDS->GetElement( triaIds.Index(1) );
|
||||
|
||||
addCloseNodes( bndSrcNodes[ iBndSrcN ], &tria, srcFaceID, noTriQueue );
|
||||
}
|
||||
|
||||
// Move tgt nodes
|
||||
|
||||
double bc[3]; // barycentric coordinates
|
||||
int nodeIDs[3];
|
||||
bool checkUV = true;
|
||||
const SMDS_FacePosition* pos;
|
||||
|
||||
while ( !noTriQueue.empty() )
|
||||
{
|
||||
srcNode = noTriQueue.front().first;
|
||||
bmTria = noTriQueue.front().second;
|
||||
noTriQueue.pop_front();
|
||||
if ( srcNode->isMarked() )
|
||||
continue;
|
||||
srcNode->setIsMarked( true );
|
||||
|
||||
// find a delauney triangle containing the src node
|
||||
gp_XY uv = tgtHelper.GetNodeUV( srcFace, srcNode, NULL, &checkUV );
|
||||
bmTria = findTriangle( uv, bmTria, triaDS, bc );
|
||||
if ( !bmTria )
|
||||
continue;
|
||||
|
||||
// compute new coordinates for a corresponding tgt node
|
||||
gp_XY uvNew( 0., 0. ), nodeUV;
|
||||
triaDS->ElementNodes( *bmTria, nodeIDs );
|
||||
for ( int i = 0; i < 3; ++i )
|
||||
uvNew += bc[i] * tgtVert( nodeIDs[i]).Coord();
|
||||
gp_Pnt xyz = tgtSurface->Value( uvNew );
|
||||
|
||||
// find and move tgt node
|
||||
TAssocTool::TNodeNodeMap::const_iterator n2n = src2tgtNodes.find( srcNode );
|
||||
if ( n2n == src2tgtNodes.end() ) continue;
|
||||
tgtNode = n2n->second;
|
||||
tgtMesh->MoveNode( tgtNode, xyz.X(), xyz.Y(), xyz.Z() );
|
||||
|
||||
if (( pos = dynamic_cast< const SMDS_FacePosition* >( tgtNode->GetPosition() )))
|
||||
const_cast<SMDS_FacePosition*>( pos )->SetParameters( uvNew.X(), uvNew.Y() );
|
||||
|
||||
addCloseNodes( srcNode, bmTria, srcFaceID, noTriQueue );
|
||||
|
||||
// assure that all src nodes are visited
|
||||
for ( ; iBndSrcN < bndSrcNodes.size() && noTriQueue.empty(); ++iBndSrcN )
|
||||
{
|
||||
const BRepMesh::ListOfInteger & linkIds = triaDS->LinksConnectedTo( iBndSrcN );
|
||||
const BRepMesh_PairOfIndex & triaIds = triaDS->ElementsConnectedTo( linkIds.First() );
|
||||
const BRepMesh_Triangle& tria = triaDS->GetElement( triaIds.Index(1) );
|
||||
addCloseNodes( bndSrcNodes[ iBndSrcN ], &tria, srcFaceID, noTriQueue );
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
//=======================================================================
|
||||
/*
|
||||
* Set initial association of VERTEXes for the case of projection
|
||||
@ -1933,7 +1699,9 @@ bool StdMeshers_Projection_2D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape&
|
||||
// ----------------------------------------------------------------
|
||||
if ( helper.IsDistorted2D( tgtSubMesh, /*checkUV=*/false, &helper ))
|
||||
{
|
||||
morph( helper, tgtFace, srcFace, tgtWires, srcWires, _src2tgtNodes );
|
||||
TAssocTool::Morph morph( srcWires );
|
||||
morph.Perform( helper, tgtWires, helper.GetSurface( tgtFace ),
|
||||
_src2tgtNodes, /*moveAll=*/true );
|
||||
|
||||
if ( !fixDistortedFaces( helper, tgtWires ))
|
||||
return error("Invalid mesh generated");
|
||||
|
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue
Block a user