Cylindrical Mirror Anamorphosis

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This Demonstration explores the cylindrical mirror anamorphosis of polar curves. When seen at a distance, the cylindrical anamorphic projection of an image appears undeformed in a cylindrical mirror placed in its center.

Contributed by: Erik Mahieu (August 2012)
Open content licensed under CC BY-NC-SA



In this Demonstration, the cylindrical mirror has radius 1 and height 3. The viewpoint is located at . The reflected image is seen in the polar plane of the viewpoint. This image pane is perpendicular to the axis and at a distance of 1/10 from the axis.

The geometry and mathematics of this projection are covered in [1] and [2].


[1] J. Drabbe and C. Gabriel-Randour. "Descriptive Geometry and Anamorphosis." (Aug 29, 2012)

[2] D. Spickler and J. Bergner. "Cylinder Reflections: The Mathematics behind the Images." (Aug 29, 2012)

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