Transform Matrices, Viewing, Modelling
Transform Matrices, Viewing, Modelling
Transform Matrices, Viewing, Modelling
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Vertex lists and face lists<br />
v 3<br />
Separate geometry from topology<br />
● Vertex coords are geometry<br />
● Connections between vertices (edges,<br />
polygons) are topology<br />
Vertex list:<br />
v 1<br />
= {x 1<br />
, y 1<br />
, z 1<br />
}<br />
v 2<br />
= {x 2<br />
, y 2<br />
, z 2<br />
}<br />
Polygon/face list:<br />
P 1<br />
= {v 1<br />
, v 2<br />
, v 3<br />
}<br />
P 2<br />
= {v 1<br />
, v 4<br />
, v 2<br />
}<br />
P2<br />
v 1<br />
v 2<br />
P1<br />
v 4<br />
CMPT370: viewing and projection 8 Mar 2007<br />
22
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