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add MaskFromRegion #3307

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Merged
ZedThree merged 2 commits into from
Mar 9, 2026
Merged

add MaskFromRegion #3307

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6a104ba
Add maskFromRegion
dschwoerer Mar 19, 2024
5ac876b
Add missing header
dschwoerer Mar 4, 2026
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9 changes: 9 additions & 0 deletions include/bout/mask.hxx
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@

#include "bout/globals.hxx"
#include "bout/mesh.hxx"
#include "bout/region.hxx"

/**
* 3D array of bools to mask Field3Ds
Expand Down Expand Up @@ -80,4 +81,12 @@ inline std::unique_ptr<Region<Ind3D>> regionFromMask(const BoutMask& mask,
}
return std::make_unique<Region<Ind3D>>(indices);
}

inline BoutMask maskFromRegion(const Region<Ind3D>& region, const Mesh* mesh) {
BoutMask mask{mesh, false};

BOUT_FOR(i, region) { mask[i] = true; }
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return mask;
}

#endif //BOUT_MASK_H
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