Unital (geometry): Difference between revisions

Latest revision as of 08:30, 24 September 2014

51 year-old Flower Grower Roman Lester from Embrun, has numerous hobbies that include airsofting, property developers service apartments in singapore singapore and cave diving. Will soon undertake a contiki voyage which will include visiting the Central Sikhote-Alin.

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-{{unclear|date=December 2013}}
+year-old Flower Grower Roman Lester from Embrun, has numerous hobbies that include airsofting, property developers [http://www.campusgists.com/activity/p/17730/ service apartments in singapore] singapore and cave diving. Will soon undertake a contiki voyage which will include visiting the Central Sikhote-Alin.
-J.M.Tienstra (1895-1951) was a professor of the Delft university of Technology where he taught the use of barycentric coordinates in solving the resection problem. It seems most probable that his name became attached to the procedure for this reason. Nevertheless, precisely when and by whom this formula was first proposed is an open question.
-In [[orienteering]] and [[surveying]], the '''Tienstra formula''' is used to solve the [[Resection_(orientation)|resection]] problem to determine the location of a given point based on observations of known landmarks from that point.
-<math>E_p = \frac{K_1 E_a+K_2 E_b+K_3 E_c}{K_1+K_2+K_3}</math>
-<math>N_p = \frac{K_1 N_a+K_2 N_b+K_3 N_c}{K_1+K_2+K_3}</math>
-Where:<br />
-<math>K_1 = \frac{1}{cot(A)-cot(\alpha)}</math><br />
-<math>K_2 = \frac{1}{cot(B)-cot(\beta)}</math><br />
-<math>K_3 = \frac{1}{cot(C)-cot(\gamma)}</math>
-== References ==
-* http://www.vermessungsseiten.de/englisch/vermtech/positioning.htm
-* [http://mesamike.org/geocache/GC1B0Q9/tienstra/ 3-Point Resection Solver Using Tienstra's Method]
-{{Orienteering-stub}}
-[[Category:Surveying]]
-[[Category:Orienteering]]

Unital (geometry): Difference between revisions

Latest revision as of 08:30, 24 September 2014

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