14 Feb
2006
14 Feb
'06
4:48 p.m.
Strangely, the height.
Tom
On 2/14/06, Alexandre Quessy listes@sourcelibre.com wrote:
Mathieu Bouchard a écrit :
Whatever the units are in the 3-D space, they cancel out with the flattening: meters/meter, cubits/cubit, inches/inch, all those are non-units. This is because a point in 3-D space (x,y,z) becomes (k*x/z,k*y/z). The constant "k" can be imagined to be in whichever units you want, but in GEM it tends to be some fraction of the window's size in pixels.
The constant k is ... well, 4 is the width (or height, I forget) of the Gem window.
aalex
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