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… this was successful, so we can export quantities now easier with HDF5, next step implement export of quantities so far stored in Texture ori files do so for now as flat fields, thereafter export polygonal contour of grains such that they can be rendered with XDMF/Paraview
…imple NeXus-like HDF5 file with compression, next step contour geometry and XDMF to Paraview
…MF Polygon instances, working, current limitations of this implementation: i) polygon faces cannot currently be colored based on properties at least when using paraview as edge-centered XDMF attribute data are at least for paraview v5.12.0rc1 not supported, ii) no incremental writing of the vertex coordinate and xdmf information which may be prohibitive for large simulations run on computers with insufficient main memory, iii) vertices cannot be reduced to the set of unique to get the compromise of being able to filter individual grains using the threshold filter by grain id and have their contour remaining closed, iv) observation with relevance for research: this vector based visualization (in contrast to earlier gnuplots) is more performant but shows that gaps exists between grains. These have been mentioned by Christian and are numerically closed during the repartition step of the level set functions, see his PhD for details but as currently the size of the grains is also computed based on the getRawBoundary contour (the inscribed varea of respective polygons) this can explain that the total area of the grain ensemble does not add up completely to 1 but close to by +- 0.1 %.
…d_obc_solver and structure_generator
…cture_generator that works with NeXus/HDF5, next steps i) change loading of data in twod_obc_solver, ii) refactor input for twod_obc_solver, iii) use proper NeXus/HDF5
…be tested, maybe this commit needs to be reverted!
…kely a tiny but important thing...
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