[Kstars-devel] SkyMap surprise (Quaternions are not used in fact)

[Khudyakov Alexey]

В сообщении от 06 ноября 2009 01:31:49 Médéric Boquien написал:

> The better solution would probably go quaternions all the way. They should
>  be significantly faster than the current method. I guess this is a remnant
>  of a first attempt that has never been completed. But that's a lot of
>  work. So in the meantime it is probably a waste, indeed.
> 
Valid point. However where do quaternions are useful? First in the projection 
code. Anything else? 

From what I can remember calculation of projection isn't a bottleneck in 
drawing. Main time-eater is drawing itself. But without profiling I cannot say 
whether I right and to which extent projection calculation is not a bottleneck