Values across a surface

Studied from its original page

Transformation grids

the method of co-ordinates · D'Arcy Thompson's transformation grids

Made by
D'Arcy W. Thompson
Year
1917
Field
Biology and ecology
Kind
Concept diagram
Room
Values across a surface
Transformation grids
Plate from Thompson 1917, On Growth and FormInternet Archive, MBLWHOI Library

See the original page — p. 748, figs. 372-374 (archive leaf n767)

Published 1917 (A) and Thompson died in 1948, so life+70 ended in 2018 (B).

The data it needs

  • landmark identity · categorical
  • x_ref reference position · quantitative · length
  • y_ref reference position · quantitative · length
  • x_cmp comparison position · quantitative · length
  • y_cmp comparison position · quantitative · length

Built in 4 steps, as its maker described

figs. 354-380, pp. 719-750; figs. 373-374 p. 748 (archive leaf n767); figs. 375-376 p. 749 (leaf n768)

Skeleton drawing, not the original plate

121 other forms share this skeleton

Source

Thompson 1917, On Growth and Form

Attribution checked against the source

Searches, not citations

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