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Journal for Geometry and Graphics 22 (2018), No. 2, 195--205
Copyright Heldermann Verlag 2018



A Proof of Pohlke's Theorem with an Analytic Determination of the Reference Trihedron

Renato Manfrin
Dipartimento di Culture del Progetto, UniversitÓ IUAV, Dorsoduro 2196, 30123 Venezia, Italy
manfrin@iuav.it



By elementary arguments of linear algebra and vector algebra we give here a proof of Pohlke's fundamental theorem on oblique axonometry. We also present explicit formulae for the reference trihedrons (Pohlke matrices) and the corresponding directions of projection.

Keywords: Pohlke's theorem, oblique axonometry.

MSC: 51N10; 51N05

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