From: Esukhareva Date: Thu, 26 Sep 2024 11:32:45 +0000 (+0100) Subject: [CEA] Export structured CGNS - Wrong transform value X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=2cfe9de73e89a4f9cb27e66a19c2013dab132272;p=modules%2Fsmesh.git [CEA] Export structured CGNS - Wrong transform value --- diff --git a/src/SMESHUtils/SMESH_RegularGrid.cxx b/src/SMESHUtils/SMESH_RegularGrid.cxx index b362656b8..47f541b74 100644 --- a/src/SMESHUtils/SMESH_RegularGrid.cxx +++ b/src/SMESHUtils/SMESH_RegularGrid.cxx @@ -335,6 +335,63 @@ std::tuple SMESH_RegularGrid::getFaceLimits( const FaceType fac } } +// Find the left bottom corner of the box face from the 4 points and return its index +// Auxiliary for the GetCommontInterface function +static int findLeftBottomCorner(auto& V0, auto& V1, auto& V2, auto& V3) +{ + // Find the left bottom corner of the box face from the 4 points + auto isLeftBottom = [](const std::shared_ptr& a, const std::shared_ptr& b) { + return (a->X() < b->X()) || + (a->X() == b->X() && a->Y() < b->Y()) || + (a->X() == b->X() && a->Y() == b->Y() && a->Z() < b->Z()); + }; + + int index = 0; + + if (isLeftBottom(V1, V0)) { + index = 1; + } + if (isLeftBottom(V2, (index == 1 ? V1 : V0))) { + index = 2; + } + if (isLeftBottom(V3, (index == 2 ? V2 : (index == 1 ? V1 : V0)))) { + index = 3; + } + + return index; +} + +// This function transforms the index limits of a face based on the position of the left bottom corner. +// It ensures that the face limits are correctly oriented by swapping indices if necessary. +// Auxiliary for the GetCommontInterface function +void SMESH_RegularGrid::transformIndexLimits(FaceType face, std::vector& faceLimits, auto& V0, auto& V1, auto& V2, auto& V3) +{ + int indexOfLeftBottom = findLeftBottomCorner(V0, V1, V2, V3); + if(indexOfLeftBottom == 0) + return; + + if(indexOfLeftBottom == 1) + { + std::swap(faceLimits[0],faceLimits[3]); + std::swap(faceLimits[1],faceLimits[4]); + std::swap(faceLimits[2],faceLimits[5]); + return; + } + + if(face == FaceType::B_BOTTOM || face == FaceType::B_TOP) + { + indexOfLeftBottom == 2? std::swap(faceLimits[0],faceLimits[3]) : std::swap(faceLimits[1],faceLimits[4]); + } + else if(face == FaceType::B_RIGHT || face == FaceType::B_LEFT) + { + indexOfLeftBottom == 2? std::swap(faceLimits[1],faceLimits[4]) : std::swap(faceLimits[2],faceLimits[5]); + } + else if(face == FaceType::B_BACK || face == FaceType::B_FRONT) + { + indexOfLeftBottom == 2? std::swap(faceLimits[0],faceLimits[3]) : std::swap(faceLimits[2],faceLimits[5]); + } +} + void SMESH_RegularGrid::GetCommontInterface( FaceType face, SMESH_RegularGrid * grid, std::vector& interface ) { const double tol = Precision::Confusion(); /*confusion is 1e-7, the recommended tolerance to find coincident points in 3D*/ @@ -368,12 +425,11 @@ void SMESH_RegularGrid::GetCommontInterface( FaceType face, SMESH_RegularGrid * auto neighboorVertex = grid->getFaceLimits( gridFace ); auto v4 = grid->GetNode(std::get<0>(neighboorVertex)); - auto v5 = grid->GetNode(std::get<1>(neighboorVertex)); + auto v5 = grid->GetNode(std::get<1>(neighboorVertex)); auto v6 = grid->GetNode(std::get<2>(neighboorVertex)); auto v7 = grid->GetNode(std::get<3>(neighboorVertex)); - - std::vector trueTable({ v0->IsEqual(*v4,tol),v0->IsEqual(*v5,tol),v0->IsEqual(*v6,tol),v0->IsEqual(*v7,tol), + std::vector trueTable({ v0->IsEqual(*v4,tol),v0->IsEqual(*v5,tol),v0->IsEqual(*v6,tol),v0->IsEqual(*v7,tol), v1->IsEqual(*v4,tol),v1->IsEqual(*v5,tol),v1->IsEqual(*v6,tol),v1->IsEqual(*v7,tol), v2->IsEqual(*v4,tol),v2->IsEqual(*v5,tol),v2->IsEqual(*v6,tol),v2->IsEqual(*v7,tol), v3->IsEqual(*v4,tol),v3->IsEqual(*v5,tol),v3->IsEqual(*v6,tol),v3->IsEqual(*v7,tol)}); @@ -389,7 +445,7 @@ void SMESH_RegularGrid::GetCommontInterface( FaceType face, SMESH_RegularGrid * trueCorner[3] ) /*Face to Face interface 100% conform*/ { interfaceRange = this->getFaceIndexLimits( face ); - interfaceDonor = grid->getFaceIndexLimits( gridFace ); + interfaceDonor = grid->getFaceIndexLimits( gridFace ); } else if ( trueCorner[0] || trueCorner[1] || trueCorner[2] || trueCorner[3] ) /*Partial Face to Face. Only one intersection then all the other 3 vertex are: 2 in the edges 1 inside the face*/ @@ -401,7 +457,7 @@ void SMESH_RegularGrid::GetCommontInterface( FaceType face, SMESH_RegularGrid * auto nodeToSearch = trueCorner[0] ? v1 : trueCorner[2] ? v3 : trueCorner[1] ? v0 : v2; grid->foreachNodeOnFace( gridFace, [&] (const std::shared_ptr sidePoint, const int nodeIndex) - { + { if ( nodeToSearch->IsEqual( *sidePoint, tol ) ) { interfaceRange = this->getFaceIndexLimits( face ); @@ -415,7 +471,7 @@ void SMESH_RegularGrid::GetCommontInterface( FaceType face, SMESH_RegularGrid * grid->getFaceIndexLimits( startIndex, nodeIndex ) : grid->getFaceIndexLimits( nodeIndex, startIndex ); return; - } + } }); } // 2) face > gridEdge @@ -437,23 +493,27 @@ void SMESH_RegularGrid::GetCommontInterface( FaceType face, SMESH_RegularGrid * this->getFaceIndexLimits( startIndex, nodeIndex) : this->getFaceIndexLimits( nodeIndex, startIndex ); - interfaceDonor = grid->getFaceIndexLimits( gridFace ); + interfaceDonor = grid->getFaceIndexLimits( gridFace ); return; - } + } }); - } + } } if ( !interfaceRange.empty() && !interfaceDonor.empty() ) - { + { + // Transform the index limits of the face based on the position of the left bottom corner + transformIndexLimits(face, interfaceRange, v0, v1, v2, v3); + transformIndexLimits(gridFace, interfaceDonor, v4, v5, v6, v7); + tranformationRange = this->computeTransformation( face, gridFace, interfaceRange, interfaceDonor ); tranformationDonor = grid->computeTransformation( gridFace, face, interfaceDonor, interfaceRange ); interface = std::vector{(int)face}+interfaceRange+interfaceDonor+tranformationRange; auto dualInterface = std::vector{(int)face}+interfaceDonor+interfaceRange+tranformationDonor; this->setInterface( face, grid->id(), interface ); grid->setInterface( gridFace, this->id(), dualInterface ); - } - }); + } + }); } void SMESH_RegularGrid::GetCommontInterface( EdgeType edge, SMESH_RegularGrid * grid, std::vector& interface ) diff --git a/src/SMESHUtils/SMESH_RegularGrid.hxx b/src/SMESHUtils/SMESH_RegularGrid.hxx index 8b5bfc8ac..9d4afb27f 100644 --- a/src/SMESHUtils/SMESH_RegularGrid.hxx +++ b/src/SMESHUtils/SMESH_RegularGrid.hxx @@ -353,6 +353,11 @@ namespace SMESHUtils // \return the index of all the nodes in the face std::vector nodesOfFace( SMESH_RegularGrid::FaceType face ) const; + // This function transforms the index limits of a face based on the position of the left bottom corner. + // It ensures that the face limits are correctly oriented by swapping indices if necessary. + // Auxiliary for the GetCommontInterface function + void transformIndexLimits(FaceType face, std::vector& faceLimits, auto& V0, auto& V1, auto& V2, auto& V3); + private: int myId; int mnx,mny,mnz,mns; diff --git a/src/SMESHUtils/SMESH_RegularGridTemplate.hxx b/src/SMESHUtils/SMESH_RegularGridTemplate.hxx index f96c9c3d2..f924a6db3 100644 --- a/src/SMESHUtils/SMESH_RegularGridTemplate.hxx +++ b/src/SMESHUtils/SMESH_RegularGridTemplate.hxx @@ -80,6 +80,40 @@ namespace SMESHUtils } } + /* Define vertex numeration convention for vertex and face index limits! + * + * V7 V6 + * +--------+--------+--------+ + * / / / /| + * +--------+--------+--------+ | + * / / / /| | + * +--------+--------+--------+ | + + * / / / V5 /| |/| + * V4 +--------+--------+--------+ | + | + * | | | |/| | + * | | | + | + + * | | |/| |/| + * + | | + | + * | | | |/| | + * | +-------+----------+-| + | + V2 + * | / V3 |/| |/ + * + / | + + * | / | |/ + * | / | + + * |/ |/ + * +--------+--------+--------+ + * V0 V1 + * + * Canonical cartesian axis orientation + * + * ^ ^ j (or y) + * k (or z)| / + * | / + * |/ + * +------> i (or x) + * + * + */ template std::vector SMESH_RegularGrid::getFaceIndexLimits( const FaceType face ) const {