WD-DALI-1.1 polygon winding direction
Marco Molinaro
molinaro at oats.inaf.it
Thu Sep 8 08:09:05 CEST 2016
Hi Felix, all,
the decision in Stellenbosch was made with respect to the others VO
standards defining regions, not against software implementations.
Now, I don't remember (my fault, didn't note it down explicitly) what
the decision was, I think it was counter-clockwise referring to what
STC reports, while SIA-2.0 speaks about "smaller region" and not
winding direction (and this can lead to potential clashes in the
future).
Cheers,
Marco
2016-09-08 7:51 GMT+02:00 Felix Stoehr <fstoehr at eso.org>:
> HTML5 canvas: seems that they do not care as long as the polygons have
> different winding directions to mark "holes"
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