10.5: Parametric Surfaces Flashcards

(4 cards)

1
Q

Surface

A

3D shape

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2
Q

surface of r(t) = <cos(t), sin(t), t>

A

helix around a cylinder

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3
Q

how many parameters do you need to describe surfaces?

A

2 (usually u and v)

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4
Q

definition of a parametric surface

A

r(u,v)= <x(u,v), y(u,v), z(u,v)>

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