1874 ravel unravel index #1878
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1874 ravel unravel index #1878
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Temporal indexing is left separate from spatial indexing due to the fact that ti was initialized differently from spatial indices on L131 of particleset.py (ti = -1, xi,yi,zi=0). To stick with this convention and to avoid an unforeseen consquences of merging spatial and temporal indexing, I've opted to kep them separate with ei=0 initially and ti=-1 initially. ravel_index/unravel_index methods have been added to the Field class. In this commit, some tests aren't passing as it appears some tests attempt to check the values of the old xi,yi,zi .
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Feb 24, 2025
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It appears there's a good number of notebooks to go through and update.. |
Using the new element index unravel method
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Nice, clean implementation @fluidnumerics-joe! A few comments/suggestions below
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There was only one notebook that failed; I fixed it in 7c5531d |
…rcels into 1874-ravel-unravel-index
VeckoTheGecko
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Feb 25, 2025
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Looks good! After the open questions, and a merge with v4-dev I think this will be good to go :)
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…rcels into 1874-ravel-unravel-index
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erikvansebille
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Feb 26, 2025
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Looks all good now, but we may want to also merge in #1881 (adding ti to the ravelled index too)
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mainfor v3 changes,v4-devfor v4 changes)Notes
ParticleSetnow uses indicesei,tiin place ofzi,yi,xi,ti. The time index is kept separate since it appears that the initialization fortiis a bit different than for spatial indices; I wasn't convinced that combining spatial and temporal indexing wouldn't have unforeseen consequences.Field.ravel_indexandField.unravel_indexhave been added to map betweeneiand(zi,yi,xi)_index_search*methods have been updated to ravel and unravel indices where needed.(zi,yi,xi)and instead rely onunravel_indexwhere needed.