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triangulationmore about triangulation

triangulation


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Triangulation  \Tri*an`gu*la"tion\,  n.  [Cf.  F.  triangulation.] 
  (Surv.) 
  The  series  or  network  of  triangles  into  which  the  face  of  a 
  country,  or  any  portion  of  it  is  divided  in  a 
  trigonometrical  survey;  the  operation  of  measuring  the 
  elements  necessary  to  determine  the  triangles  into  which  the 
  country  to  be  surveyed  is  supposed  to  be  divided,  and  thus  to 
  fix  the  positions  and  distances  of  the  several  points 
  connected  by  them 
 
  From  WordNet  r  1.6  [wn]: 
 
  triangulation 
  n  1:  a  trigonometric  method  of  determining  the  position  of  a 
  fixed  point  from  the  angles  to  it  from  two  fixed  points 
  a  known  distance  apart;  useful  in  navigation 
  2:  a  method  of  surveying;  the  area  is  divided  into  triangles 
  and  the  length  of  one  side  and  its  angles  with  the  other 
  two  are  measured,  then  the  lengths  of  the  other  sides  can 
  be  calculated 




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