A Fisheye Gyrograph: Taking Spherical Perspective for a Spin

Year: 2019 Authors: António Bandeira Araújo

Core claim

A simple mechanical gyrograph makes total spherical perspective easier and more practical to construct than ruler-and-compass methods.

Topics

spherical perspective, gyrograph gridding, urban sketching, Geogebra tools

Domains

geometry, cartography, projective representation, drawing, urban sketching, visual perception, technical illustration

Methods

azimuthal equidistant mapping, mechanical gridding, freehand sketching, Geogebra construction

Media

ruler, compass, gyrograph, Geogebra

Source status

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