Files
ResInsight/ApplicationCode/ReservoirDataModel/RigCellFaceGeometryTools.cpp
2020-01-17 08:41:18 +01:00

113 lines
5.4 KiB
C++

/////////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2020 Equinor ASA
//
// ResInsight is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
// for more details.
//
/////////////////////////////////////////////////////////////////////////////////
#include "RigCellFaceGeometryTools.h"
#include "RigCell.h"
#include "RigMainGrid.h"
#include "cvfGeometryTools.h"
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
cvf::StructGridInterface::FaceType
RigCellFaceGeometryTools::calculateCellFaceOverlap( const RigCell& c1,
const RigCell& c2,
const RigMainGrid& mainGrid,
std::vector<size_t>* connectionPolygon,
std::vector<cvf::Vec3d>* connectionIntersections )
{
// Try to find the shared face
bool isPossibleNeighborInDirection[6] = {true, true, true, true, true, true};
if ( c1.hostGrid() == c2.hostGrid() )
{
char hasNeighbourInAnyDirection = 0;
size_t i1, j1, k1;
c1.hostGrid()->ijkFromCellIndex( c1.gridLocalCellIndex(), &i1, &j1, &k1 );
size_t i2, j2, k2;
c2.hostGrid()->ijkFromCellIndex( c2.gridLocalCellIndex(), &i2, &j2, &k2 );
isPossibleNeighborInDirection[cvf::StructGridInterface::POS_I] = ( ( i1 + 1 ) == i2 );
isPossibleNeighborInDirection[cvf::StructGridInterface::NEG_I] = ( ( i2 + 1 ) == i1 );
isPossibleNeighborInDirection[cvf::StructGridInterface::POS_J] = ( ( j1 + 1 ) == j2 );
isPossibleNeighborInDirection[cvf::StructGridInterface::NEG_J] = ( ( j2 + 1 ) == j1 );
isPossibleNeighborInDirection[cvf::StructGridInterface::POS_K] = ( ( k1 + 1 ) == k2 );
isPossibleNeighborInDirection[cvf::StructGridInterface::NEG_K] = ( ( k2 + 1 ) == k1 );
hasNeighbourInAnyDirection = isPossibleNeighborInDirection[cvf::StructGridInterface::POS_I] +
isPossibleNeighborInDirection[cvf::StructGridInterface::NEG_I] +
isPossibleNeighborInDirection[cvf::StructGridInterface::POS_J] +
isPossibleNeighborInDirection[cvf::StructGridInterface::NEG_J] +
isPossibleNeighborInDirection[cvf::StructGridInterface::POS_K] +
isPossibleNeighborInDirection[cvf::StructGridInterface::NEG_K];
// If cell 2 is not adjancent with respect to any of the six ijk directions,
// assume that we have no overlapping area.
if ( !hasNeighbourInAnyDirection )
{
// Add to search map
// m_cellIdxToFaceToConnectionIdxMap[m_connections[cnIdx].m_c1GlobIdx][cvf::StructGridInterface::NO_FACE].push_back(cnIdx);
// m_cellIdxToFaceToConnectionIdxMap[m_connections[cnIdx].m_c2GlobIdx][cvf::StructGridInterface::NO_FACE].push_back(cnIdx);
// cvf::Trace::show("NNC: No direct neighbors : C1: " + cvf::String((int)m_connections[cnIdx].m_c1GlobIdx) +
// " C2: " + cvf::String((int)m_connections[cnIdx].m_c2GlobIdx));
return cvf::StructGridInterface::NO_FACE;
}
}
for ( unsigned char fIdx = 0; fIdx < 6; ++fIdx )
{
if ( !isPossibleNeighborInDirection[fIdx] )
{
continue;
}
// Calculate connection polygon
std::vector<size_t> polygon;
std::vector<cvf::Vec3d> intersections;
std::array<size_t, 4> face1;
std::array<size_t, 4> face2;
c1.faceIndices( ( cvf::StructGridInterface::FaceType )( fIdx ), &face1 );
c2.faceIndices( cvf::StructGridInterface::oppositeFace( ( cvf::StructGridInterface::FaceType )( fIdx ) ), &face2 );
bool foundOverlap =
cvf::GeometryTools::calculateOverlapPolygonOfTwoQuads( &polygon,
&intersections,
(cvf::EdgeIntersectStorage<size_t>*)nullptr,
cvf::wrapArrayConst( &mainGrid.nodes() ),
face1.data(),
face2.data(),
1e-6 );
if ( foundOverlap )
{
if ( connectionPolygon ) ( *connectionPolygon ) = polygon;
if ( connectionIntersections ) ( *connectionIntersections ) = intersections;
return ( cvf::StructGridInterface::FaceType )( fIdx );
}
}
return cvf::StructGridInterface::NO_FACE;
}