English Explanatory Dictionary

Tissot's indicatrix

English dictionary entry

Meanings

noun
  1. A mathematical contrivance used to characterize local distortions due to map projection. It is the geometry that results from projecting a circle of infinitesimal radius from a curved geometric model, such as a globe, onto a map.

Word forms

Tissot's indicatrix Tissot's indicatrices

Etymology

Developed by French mathematician Nicolas Auguste Tissot in the 19th century.

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