Historical GIS · evidence-graded 3D reconstruction

A reconstruction you can inspect, not a monument.

This executable research publication separates surviving architecture, documented planning, photo-constrained reconstruction and explicit inference. Speculative geometry is disabled by default.

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Read the reconstruction critically

Why reconstruct in 3D?What spatial simulation can and cannot establish. 1941 ≠ 1944Separate planning states, not a single fictional masterplan. Castle v2Documented, corroborated and photo-constrained architecture. DGM1 topographyRigid registration onto official NRW elevation data.