Remove uppertopology in GModel, reverting commit a while ago (not necessary anymore). Draw commands are piped to mesh for compounds now, so DiscreteSurfaces should work without showCompounds option enabled. Without showCompounds enabled, compounded surfaces/edges are hidden from the user, making only the uppermost topology part accessible. Selections of lower surfaces are piped to the compound.

immediately and not at the end of the current C call.

Renamed compound_only parameter to showCompound. Enable to fix issue with invisible discrete meshes.

Fragmentation in progress

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Terrestrial stuff + (int) to avoid warnings + wrangler for setArgument (expected field size checked)

enhanced bl capabilities (avoid self intersection of layers)