Expansion rate (Θ/3, top-left panel), shear scalar amplitude (﹩\sqrt{2{\sigma }^{2}}﹩, top-right panel), matter density (ρ, bottom-left panel), and spatial scalar curvature (﹩{ \mathcal R }﹩, bottom-right panel) on the supergalactic plane as functions of the supergalactic comoving-distance coordinates SGX, SGY, from the CF4++ reconstruction. In all panels, the white cross marker at the center indicates the observer’s position.