Table X-P
Perspectors.
Points available at the Kimberling's Encyclopedia ETC.
The ETC version: The 5549 points version of 2013.
The "Discoverer" database version: October 2013.
Last update: 2014-03-18

      Kimberling Notation     Role  
  1     X(2) Centroid     Perspector and Homothetic Center of the Euler Triangle of the Centroid and the Medial Triangle  
  2     X(3) Circumcenter     Perspector and Homothetic Center of the Euler Triangle of the de Longchamps Point and the Medial Triangle  
  3     X(5) Nine-Point Center     Perspector and Homothetic Center of the Euler Triangle of the Orthocenter and the Medial Triangle  
  4     X(10) Spieker Center     Perspector and Homothetic Center of the Euler Triangle of the Nagel Point and the Medial Triangle  
  5     X(37) Grinberg Point     Perspector and Homothetic Center of the Euler Triangle of the Equal Parallelians Point and the Medial Triangle  
  6     X(140) Nine-Point Center of the Medial Triangle     Perspector and Homothetic Center of the Euler Triangle of the Circumcenter and the Medial Triangle  
  7     X(141) Symmedian Point of the Medial Triangle     Perspector and Homothetic Center of the Euler Triangle of the Retrocenter and the Medial Triangle  
  8     X(142) Mittenpunkt of the Medial Triangle     Perspector and Homothetic Center of the Euler Triangle of the Gergonne Point and the Medial Triangle  
  9     X(468)     Perspector and Homothetic Center of the Euler Triangle of the Far-Out Point and the Medial Triangle  
  10     X(547)     Perspector and Homothetic Center of the Euler Triangle of the Center of the Orthocentroidal Circle and the Medial Triangle  
  11     X(620)     Perspector and Homothetic Center of the Euler Triangle of the Steiner Point and the Medial Triangle  
  12     X(1125)     Perspector and Homothetic Center of the Euler Triangle of the Incenter and the Medial Triangle  
  13     X(3035)     Perspector and Homothetic Center of the Euler Triangle of the Anticompliment of the Feuerbach Point and the Medial Triangle  
  14     X(3589)     Perspector and Homothetic Center of the Euler Triangle of the Symmedian Point and the Medial Triangle  
  15     X(3628)     Perspector and Homothetic Center of the Euler Triangle of the Nine-Point Center and the Medial Triangle  
  16     X(3634)     Perspector and Homothetic Center of the Euler Triangle of the Spieker Center and the Medial Triangle  
  17     X(3739)     Perspector and Homothetic Center of the Euler Triangle of the Moses Point and the Medial Triangle  
  18     X(3822)     Perspector and Homothetic Center of the Euler Triangle of the Center of the Inner Johnson-Yff Circle and the Medial Triangle  
  19     X(3825)     Perspector and Homothetic Center of the Euler Triangle of the Center of the Outer Johnson-Yff Circle and the Medial Triangle  
  20     X(3848)     Perspector and Homothetic Center of the Euler Triangle of the Weill Point and the Medial Triangle  
  21     X(3934)     Perspector and Homothetic Center of the Euler Triangle of the Third Brocard Point and the Medial Triangle  
  22     X(4422)     Perspector and Homothetic Center of the Euler Triangle of the Yff Parabolic Point and the Medial Triangle  
  23     X(4698)     Perspector and Homothetic Center of the Euler Triangle of the Grinberg Point and the Medial Triangle  
  24     X(5449)     Perspector and Homothetic Center of the Euler Triangle of the Prasolov Point and the Medial Triangle