[Kstars-devel] questions re: gathering images

[Luciano Montanaro]

On Thursday 07 December 2006 17:31, Jason Harris wrote:
> Hi Luciano,
>
> On Thursday 07 December 2006 09:03, Luciano Montanaro wrote:
> > This is the resulting image in KStars:
> > http://www.cirulla.net/listing/kde_stuff/kstars/orion-nebula-alpha.png
> >
> > Compared to this:
> > http://www.cirulla.net/listing/kde_stuff/kstars/orion-nebula-no-alpha.png
> >
> > I'd say it is an improvement.
>
> Heck yeah it is!  Thanks for the idea.
>
> > The only problem is that the new image is three times as large as the
> > original. I'm not sure if this is a problem. Maybe the images using the
> > alpha channels could be given as an alternative to the smaller images as
> > a different KHotnewstuff source.
>
> Hmm, I don't think it's much of a problem, since images are only loaded
> into memory when the object is actually on screen at a high zoom level, and
> the memory is freed when it moves offscreen.  If there is a delay caused by
> reading the image from disk, that might be an issue, but I don't expect it
> to be a problem.
>
> I'll look into redoing all of the Messier images using this method, unless
> you (Glenn) want to add Messier objects to your list?
>

Well, if Glenn does not have better images, I can just convert the current 
ones easily. But if space is not a big problem, higher resolution images 
would be cool. 

I'll put them in 
http://www.cirulla.net/listing/kde_stuff/kstars/

when I'm finished with them.


Ciao,
Luciano

-- 
Luciano Montanaro //
                \X/ mikelima at cirulla.net