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4.2.1 Translations

The translation $ T_w$ in direction of a vector $ w$ is given in coordinates by

$\displaystyle T_w:v\mapsto v+w $

In Pov-Ray this operation is described as translate w. Note that this can be also considered as changing the reference frame, by replacing 0 by $ -w$.

Figure: Translation
\begin{figure}\begin{picture}(8,7)(-2,0) \put(1,0){\line(0,1){5}} \put(0,1){\lin... ...box(0.5,0.5){v+w}} \put(5,3){\makebox(0,0){$\bullet$}} \end{picture}\end{figure}

next up previous contents index
Next: 4.2.2 Scaling Up: 4.2 Transformations Previous: 4.2 Transformations
Andreas Kriegl 2003-07-23