Saturday, December 4, 2010

What To Have Wrote On A Wedding Cake



L’omotetia

2) Omotetia
Centro proprio S , asse improprio s ∞, punti corrispondenti A e A’
ω = S, s ∞, AA’
Si verifica quando il piano π 0 of PERSPECTIVES / / = π to π '.
  • Lines corresponding parallel.
  • preserves the parallelism between straight and leaves unchanged the angles.
  • The parallel projection is an affinity.
If the points are on the same side of the center is called dilation direct .
If the points are located on the opposite side of the center is called dilation reverse.

Da sinistra: omotetia diretta, omotetia inversa, omotetia inversa simmetrica Omotetia
dilation
From left: dilation direct inverse dilation, dilation reverse symmetrical

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