L’omotetia
2) OmotetiaCentro 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 located on the opposite side of the center is called dilation reverse.
From left: dilation direct inverse dilation, dilation reverse symmetrical
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