WD-DALI-1.1 polygon winding direction

[Pierre Fernique]

Le 08/09/2016 à 08:09, Marco Molinaro a écrit :
> 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"

Aladin Desktop follows the STC convention => counter-clockwise

Pierre