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https://github.com/OPM/ResInsight.git
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Kristian Bendiksen
3067823e71
Replace the monolithic RigNonUniformRefinement class with a proper polymorphic hierarchy: RigRefinement (abstract base), RigNoRefinement (identity), RigUniformRefinement (O(1) uniform), and RigNonUniformRefinement (per-cell custom fractions). Ownership uses std::unique_ptr<RigRefinement>, consumers receive const RigRefinement&. This eliminates the misleading class name, removes effectiveRefinement() indirection, and gives each refinement mode an appropriately optimized implementation.
80 lines
3.6 KiB
C++
80 lines
3.6 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2026- Equinor ASA
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//
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// ResInsight is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
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// for more details.
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//
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/////////////////////////////////////////////////////////////////////////////////
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#pragma once
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#include "RigRefinement.h"
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#include "cvfVector3.h"
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#include <vector>
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//==================================================================================================
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//
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// Non-uniform per-dimension refinement specification for sector model export.
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//
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// Since refinement "crosses over" the model (all cells at a given I index share the same
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// I-refinement), each dimension is independent.
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//
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// For each dimension: a vector-of-vectors indexed by original cell index (relative to sector),
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// containing cumulative fractions in (0, 1]. Cells with no explicit refinement default to {1.0}
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// (1 subcell = no refinement).
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//
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// A cumulative offset table per dimension enables O(1) original->refined lookup
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// and O(log n) reverse lookup via binary search.
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//
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//==================================================================================================
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class RigNonUniformRefinement : public RigRefinement
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{
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public:
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explicit RigNonUniformRefinement( const cvf::Vec3st& sectorSize );
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std::unique_ptr<RigRefinement> clone() const override;
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// Set cumulative fractions for a specific cell index in a dimension.
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// The fractions must be strictly increasing and end at 1.0.
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void setCumulativeFractions( Dimension dim, size_t origIndex, const std::vector<double>& cumulativeFractions );
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// Query methods (overrides from RigRefinement)
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size_t subcellCount( Dimension dim, size_t origIndex ) const override;
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size_t cumulativeOffset( Dimension dim, size_t origIndex ) const override;
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size_t totalRefinedCount( Dimension dim ) const override;
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std::pair<size_t, size_t> mapRefinedToOriginal( Dimension dim, size_t refinedIndex ) const override;
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const std::vector<double>& cumulativeFractions( Dimension dim, size_t origIndex ) const override;
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size_t sectorSize( Dimension dim ) const override;
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bool hasRefinement() const override;
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// Distribute fractional widths across a range of cells in a given dimension.
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// The widths span the combined range [startIndex, endIndex] — subdivision boundaries
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// are placed in the global fraction space and then assigned to individual cells.
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// Each cell in the range occupies an equal share (1/numCells) of the global range.
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void distributeWidthsAcrossCells( Dimension dim, size_t startIndex, size_t endIndex, const std::vector<double>& widths );
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private:
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void rebuildOffsets( Dimension dim );
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// Per-dimension data: m_fractions[dim][origIndex] = cumulative fractions
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std::vector<std::vector<double>> m_fractions[3];
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// Per-dimension cumulative offset table: m_offsets[dim][n] = total refined cells for cells 0..n-1
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std::vector<size_t> m_offsets[3];
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// Sector dimensions (number of original cells per dimension)
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cvf::Vec3st m_sectorSize;
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};
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