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Tobler's hiking function – walking speed vs. slope angle chart. Tobler's hiking function is an exponential function determining the hiking speed, taking into account the slope angle. [1] [2] [3] It was formulated by Waldo Tobler. This function was estimated from empirical data of Eduard Imhof. [4]
Tobler was an avid hiker, and combined this with his interest flow and movement to generate "Tobler's hiking function", also known as "Tobler's walking rule". [ 46 ] [ 84 ] [ 85 ] In this research, Tobler used himself as a subject, and was published the results in a 1993 paper. [ 84 ]
James Cook (Captain RN) (1728–1779), navigator and naval chart maker; Simeon De Witt (1756–1834), successor to Robert Erskine and Surveyor-General of the State of New York; Louis Isidore Duperrey (French, 1786–1865) Johann Friedrich Endersch (Germany, fl. 1755)
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Pace [6] in minutes per kilometre or mile vs. slope angle resulting from Naismith's rule [7] for basal speeds of 5 and 4 km / h. [n 1]The original Naismith's rule from 1892 says that one should allow one hour per three miles on the map and an additional hour per 2000 feet of ascent.
Waldo Tobler's (November 16, 1930 – February 20, 2018) publications span between 1957 and 2017, with his most productive year being 1973. [1] Despite retirement in 1994, he continued to be involved with research for the remainder of his life.
Similar is Balthasart with standard parallels at 50°N/S and Tobler’s world in a square with standard parallels around 55.66°N/S. c. 1850: Central cylindrical: Cylindrical Perspective (unknown) Practically unused in cartography because of severe polar distortion, but popular in panoramic photography, especially for architectural scenes.