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GlobalCellLevel to Leaf Index defined and tested
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| //=========================================================================== | ||
| // | ||
| // File: lgr_cartesian_idx_test.cpp | ||
| // | ||
| // Created: Sep 26 2024 09:15 | ||
| // | ||
| // Author(s): Antonella Ritorto <[email protected]> | ||
| // | ||
| // $Date$ | ||
| // | ||
| // $Revision$ | ||
| // | ||
| //=========================================================================== | ||
| /* | ||
| Copyright 2024 Equinor ASA. | ||
| This file is part of the Open Porous Media project (OPM). | ||
| OPM 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. | ||
| OPM 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 for more details. | ||
| You should have received a copy of the GNU General Public License | ||
| along with OPM. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| #include "config.h" | ||
|
|
||
| #define BOOST_TEST_MODULE LGRTests | ||
| #include <boost/test/unit_test.hpp> | ||
| #include <boost/version.hpp> | ||
| #if BOOST_VERSION / 100000 == 1 && BOOST_VERSION / 100 % 1000 < 71 | ||
| #include <boost/test/floating_point_comparison.hpp> | ||
| #else | ||
| #include <boost/test/tools/floating_point_comparison.hpp> | ||
| #endif | ||
| #include <opm/grid/CpGrid.hpp> | ||
| #include <opm/grid/cpgrid/CpGridData.hpp> | ||
| #include <opm/grid/cpgrid/DefaultGeometryPolicy.hpp> | ||
| #include <opm/grid/cpgrid/Entity.hpp> | ||
| #include <opm/grid/cpgrid/EntityRep.hpp> | ||
| #include <opm/grid/cpgrid/Geometry.hpp> | ||
| #include <opm/grid/LookUpData.hh> | ||
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| #include <dune/grid/common/mcmgmapper.hh> | ||
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| #include <cassert> | ||
| #include <sstream> | ||
| #include <iostream> | ||
| #include <cstdlib> | ||
| #include <cmath> | ||
| #include <map> | ||
|
|
||
| struct Fixture | ||
| { | ||
| Fixture() | ||
| { | ||
| int m_argc = boost::unit_test::framework::master_test_suite().argc; | ||
| char** m_argv = boost::unit_test::framework::master_test_suite().argv; | ||
| Dune::MPIHelper::instance(m_argc, m_argv); | ||
| Opm::OpmLog::setupSimpleDefaultLogging(); | ||
| } | ||
|
|
||
| static int rank() | ||
| { | ||
| int m_argc = boost::unit_test::framework::master_test_suite().argc; | ||
| char** m_argv = boost::unit_test::framework::master_test_suite().argv; | ||
| return Dune::MPIHelper::instance(m_argc, m_argv).rank(); | ||
| } | ||
| }; | ||
|
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| BOOST_GLOBAL_FIXTURE(Fixture); | ||
|
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| void checkGlobalCellLgr(Dune::CpGrid& grid) | ||
| { | ||
| const Dune::CartesianIndexMapper<Dune::CpGrid> mapper{grid}; | ||
|
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| for (const auto& element : elements(grid.leafGridView())) | ||
| { | ||
| // How to get the Cartesian Index of a cell on the leaf grid view. | ||
| // 1. The "default" Cartesian Index of a cell on the leaf (which is a mixed grid with coarse and refined cells) is equal to the Cartesian Index of: | ||
| // (a) the equivalent cell in level zero (same center and volume, cell not involved in any refinement). | ||
| // (b) the parent cell in level zero when the leaf cell is a refined one (it has a equivalent cell that belongs to a refined level grid). | ||
| // This default Cartesian Index for leaf cells coincide with the globalCell values. | ||
| const auto& cartesian_idx_from_leaf_elem = mapper.cartesianIndex( element.index() ); | ||
| const auto& global_cell_idx_leaf = grid.globalCell()[element.index()]; // parent cell index when the cell is a refined one. | ||
| BOOST_CHECK_EQUAL(cartesian_idx_from_leaf_elem, global_cell_idx_leaf); | ||
| // global_ijk represents the ijk values of the equivalent cell on the level zero, or parent cell if the leaf cell is a refined one. | ||
| // Notice that all the refined cells of a same parent cell will get the same global_cell_ value and the same global_ijk (since they | ||
| // inherit the parent cell value). | ||
| std::array<int,3> global_ijk = {0,0,0}; | ||
| mapper.cartesianCoordinate( element.index(), global_ijk); | ||
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| // How to get the Level Cartesian Index of a cell on the leaf grid view. | ||
| // Each LGR can be seen as a Cartesian Grid itself, with its own (local) logical_cartesian_size and its own (local) Cartesian indices. | ||
| // Given a leaf cell, via the CartesianIndexMapper and its method cartesianIndexLevel(...), we get the local-Cartesian-index. | ||
| const auto& cartesian_idx_from_level_elem = mapper.cartesianIndexLevel( element.getEquivLevelElem().index(), element.level() ); | ||
| const auto& global_cell_idx_level = grid.currentData()[element.level()]->globalCell()[element.getEquivLevelElem().index()]; | ||
| BOOST_CHECK_EQUAL(cartesian_idx_from_level_elem, global_cell_idx_level); | ||
| // local_ijk represents the ijk values of the equivalent cell on the level its was born. | ||
| std::array<int,3> local_ijk = {0,0,0}; | ||
| mapper.cartesianCoordinateLevel( element.getEquivLevelElem().index(), local_ijk, element.level() ); | ||
|
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| // For leaf cells that were not involved in any refinement, global_ijk and local_ijk must coincide. | ||
| if(element.level()==0) | ||
| { | ||
| BOOST_CHECK_EQUAL( global_ijk[0], local_ijk[0]); | ||
| BOOST_CHECK_EQUAL( global_ijk[1], local_ijk[1]); | ||
| BOOST_CHECK_EQUAL( global_ijk[2], local_ijk[2]); | ||
| } | ||
| } | ||
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| for (int level = 0; level < grid.maxLevel(); ++level) | ||
| { | ||
| const auto& globalCellLevel_to_leafIdx = grid.currentData()[level]->getGlobalCellLevelToLeafIndexSet(); | ||
| for (const auto& element : elements(grid.levelGridView(level))) | ||
| { | ||
| if(element.isLeaf()) { | ||
| const auto& global_cell_level = grid.currentData()[element.level()]->globalCell()[element.index()]; | ||
| globalCellLevel_to_leafIdx.at(global_cell_level); | ||
| } | ||
| else { | ||
| BOOST_CHECK_THROW( globalCellLevel_to_leafIdx.at(element.index()), std::out_of_range); | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| BOOST_AUTO_TEST_CASE(refine_one_cell) | ||
| { | ||
| // Create a grid | ||
| Dune::CpGrid grid; | ||
| const std::array<double, 3> cell_sizes = {1.0, 1.0, 1.0}; | ||
| const std::array<int, 3> grid_dim = {4,3,3}; | ||
| grid.createCartesian(grid_dim, cell_sizes); | ||
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| const std::array<int, 3> cells_per_dim = {2,2,2}; | ||
| const std::array<int, 3> startIJK = {1,0,1}; | ||
| const std::array<int, 3> endIJK = {2,1,2};// Single Cell! (with index 13 in level zero grid), LGR dimensions 2x2x2 | ||
| const std::string lgr_name = {"LGR1"}; | ||
| grid.addLgrsUpdateLeafView({cells_per_dim}, {startIJK}, {endIJK}, {lgr_name}); | ||
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| checkGlobalCellLgr(grid); | ||
| } | ||
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| BOOST_AUTO_TEST_CASE(three_lgrs) | ||
| { | ||
| // Create a grid | ||
| Dune::CpGrid grid; | ||
| const std::array<double, 3> cell_sizes = {1.0, 1.0, 1.0}; | ||
| const std::array<int, 3> grid_dim = {4,3,3}; | ||
| grid.createCartesian(grid_dim, cell_sizes); | ||
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| const std::vector<std::array<int,3>> cells_per_dim_vec = {{2,2,2}, {3,3,3}, {4,4,4}}; | ||
| const std::vector<std::array<int,3>> startIJK_vec = {{0,0,0}, {0,0,2}, {3,2,2}}; | ||
| const std::vector<std::array<int,3>> endIJK_vec = {{2,1,1}, {1,1,3}, {4,3,3}}; | ||
| const std::vector<std::string> lgr_name_vec = {"LGR1", "LGR2", "LGR3"}; | ||
| grid.addLgrsUpdateLeafView(cells_per_dim_vec, startIJK_vec, endIJK_vec, lgr_name_vec); | ||
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| checkGlobalCellLgr(grid); | ||
| } |