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(1) Incenter     Perspector and Homothetic Center of the Euler Triangle of the Nagel Point and the Half-Median Triangle  
  2     X(2) Centroid     Perspector and Homothetic Center of the Euler Triangle of the Centroid and the Half-Median Triangle  
  3     X(3) Circumcenter     Perspector and Homothetic Center of the Euler Triangle of the Orthocenter and the Half-Median Triangle  
  4     X(4) Orthocenter     Perspector and Homothetic Center of the Euler Triangle of the de Longchamps Point and the Half-Median Triangle  
  5     X(5) Nine-Point Center     Perspector and Homothetic Center of the Euler Triangle of the Circumcenter and the Half-Median Triangle  
  6     X(6) Symmedian Point     Perspector and Homothetic Center of the Euler Triangle of the Retrocenter and the Half-Median Triangle  
  7     X(9) Mittenpunkt     Perspector and Homothetic Center of the Euler Triangle of the Gergonne Point and the Half-Median Triangle  
  8     X(10) Spieker Center     Perspector and Homothetic Center of the Euler Triangle of the Incenter and the Half-Median Triangle  
  9     X(11) Feuerbach Point     Perspector and Homothetic Center of the Euler Triangle of the Anticompliment of the Feuerbach Point and the Half-Median Triangle  
  10     X(37) Grinberg Point     Perspector and Homothetic Center of the Euler Triangle of the Moses Point and the Half-Median Triangle  
  11     X(39) Brocard Midpoint     Perspector and Homothetic Center of the Euler Triangle of the Third Brocard Point and the Half-Median Triangle  
  12     X(75) Moses Point     Perspector and Homothetic Center of the Euler Triangle of the Equal Parallelians Point and the Half-Median Triangle  
  13     X(114)     Perspector and Homothetic Center of the Euler Triangle of the Tarry Point and the Half-Median Triangle  
  14     X(115) Kiepert Center     Perspector and Homothetic Center of the Euler Triangle of the Steiner Point and the Half-Median Triangle  
  15     X(125)     Perspector and Homothetic Center of the Euler Triangle of the Euler Reflection Point and the Half-Median Triangle  
  16     X(126)     Perspector and Homothetic Center of the Euler Triangle of the Parry Point and the Half-Median Triangle  
  17     X(128)     Perspector and Homothetic Center of the Euler Triangle of the Gibert Point and the Half-Median Triangle  
  18     X(140) Nine-Point Center of the Medial Triangle     Perspector and Homothetic Center of the Euler Triangle of the Nine-Point Center and the Half-Median Triangle  
  19     X(141) Symmedian Point of the Medial Triangle     Perspector and Homothetic Center of the Euler Triangle of the Symmedian Point and the Half-Median Triangle  
  20     X(142) Mittenpunkt of the Medial Triangle     Perspector and Homothetic Center of the Euler Triangle of the Mittenpunkt and the Half-Median Triangle  
  21     X(216)     Perspector and Homothetic Center of the Euler Triangle of the Isotomic Conjugate of the Circumcenter and the Half-Median Triangle  
  22     X(427)     Perspector and Homothetic Center of the Euler Triangle of the Exeter Point and the Half-Median Triangle  
  23     X(442)     Perspector and Homothetic Center of the Euler Triangle of the Schiffler Point and the Half-Median Triangle  
  24     X(549)     Perspector and Homothetic Center of the Euler Triangle of the Center of the Orthocentroidal Circle and the Half-Median Triangle  
  25     X(618)     Perspector and Homothetic Center of the Euler Triangle of the Outer Fermat Point and the Half-Median Triangle  
  26     X(619)     Perspector and Homothetic Center of the Euler Triangle of the Inner Fermat Point and the Half-Median Triangle  
  27     X(620)     Perspector and Homothetic Center of the Euler Triangle of the Kiepert Center and the Half-Median Triangle  
  28     X(623)     Perspector and Homothetic Center of the Euler Triangle of the First Isodynamic Point and the Half-Median Triangle  
  29     X(624)     Perspector and Homothetic Center of the Euler Triangle of the Second Isodynamic Point and the Half-Median Triangle  
  30     X(625)     Perspector and Homothetic Center of the Euler Triangle of the Schoute Center and the Half-Median Triangle  
  31     X(626)     Perspector and Homothetic Center of the Euler Triangle of the Third Power Point and the Half-Median Triangle  
  32     X(629)     Perspector and Homothetic Center of the Euler Triangle of the Outer Napoleon Point and the Half-Median Triangle  
  33     X(630)     Perspector and Homothetic Center of the Euler Triangle of the Inner Napoleon Point and the Half-Median Triangle  
  34     X(639)     Perspector and Homothetic Center of the Euler Triangle of the First Kenmotu Point and the Half-Median Triangle  
  35     X(640)     Perspector and Homothetic Center of the Euler Triangle of the Second Kenmotu Point and the Half-Median Triangle  
  36     X(641)     Perspector and Homothetic Center of the Euler Triangle of the Outer Vecten Point and the Half-Median Triangle  
  37     X(642)     Perspector and Homothetic Center of the Euler Triangle of the Inner Vecten Point and the Half-Median Triangle  
  38     X(858)     Perspector and Homothetic Center of the Euler Triangle of the Far-Out Point and the Half-Median Triangle  
  39     X(946)     Perspector and Homothetic Center of the Euler Triangle of the Bevan Point and the Half-Median Triangle  
  40     X(993)     Perspector and Homothetic Center of the Euler Triangle of the Center of the Inner Johnson-Yff Circle and the Half-Median Triangle  
  41     X(1086)     Perspector and Homothetic Center of the Euler Triangle of the Yff Parabolic Point and the Half-Median Triangle  
  42     X(1125)     Perspector and Homothetic Center of the Euler Triangle of the Spieker Center and the Half-Median Triangle  
  43     X(1147)     Perspector and Homothetic Center of the Euler Triangle of the Prasolov Point and the Half-Median Triangle  
  44     X(1209)     Perspector and Homothetic Center of the Euler Triangle of the Kosnita Point and the Half-Median Triangle  
  45     X(1329)     Perspector and Homothetic Center of the Euler Triangle of the External Center of Similitude of the Incircle and the Circumcircle and the Half-Median Triangle  
  46     X(1385)     Perspector and Homothetic Center of the Euler Triangle of the Center of the Fuhrmann Circle and the Half-Median Triangle  
  47     X(2090)     Perspector and Homothetic Center of the Euler Triangle of the Yff Center of Conguence and the Half-Median Triangle  
  48     X(2886)     Perspector and Homothetic Center of the Euler Triangle of the Internal Center of Similitude of the Incircle and the Circumcircle and the Half-Median Triangle  
  49     X(2887)     Perspector and Homothetic Center of the Euler Triangle of the Second Power Point and the Half-Median Triangle  
  50     X(3035)     Perspector and Homothetic Center of the Euler Triangle of the Feuerbach Point and the Half-Median Triangle  
  51     X(3739)     Perspector and Homothetic Center of the Euler Triangle of the Grinberg Point and the Half-Median Triangle  
  52     X(3740)     Perspector and Homothetic Center of the Euler Triangle of the Weill Point and the Half-Median Triangle  
  53     X(3814)     Perspector and Homothetic Center of the Euler Triangle of the Inverse of the Incenter in the Circumcircle and the Half-Median Triangle  
  54     X(3934)     Perspector and Homothetic Center of the Euler Triangle of the Brocard Midpoint and the Half-Median Triangle  
  55     X(4885)     Perspector and Homothetic Center of the Euler Triangle of the Center of the Stevanovic Circle and the Half-Median Triangle  
  56     X(4999)     Perspector and Homothetic Center of the Euler Triangle of the Feuerbach Perspector and the Half-Median Triangle  
  57     X(5087)     Perspector and Homothetic Center of the Euler Triangle of the Schroder Point and the Half-Median Triangle  
  58     X(5123)     Perspector and Homothetic Center of the Euler Triangle of the Bevan-Schroder Point and the Half-Median Triangle