[Kstars-devel] Using kstars to produce an animation

[Jason Harris]

Hello,

What's needed here is an "export image" DCOP function.  I'll try to get 
that added before the feature freeze.

Jason

On Wednesday 12 May 2004 07:41 am, Alessio Sangalli wrote:
> Hi, I would like to use Kstars to produce an animation made of many
> frames of the sky "dumped" by kstars.
>
> The animation would be very simple: with the time stopped at a
> certain date, the camera points to Alt 0 Az 90; then it goes up until
> Alt 60 Az 180 and reaches Alt 0 Az 270 at the end of the animation.
> I'd need some hundred of frames, each one a little step different
> from the previous.
>
> My first idea was to use a script like the following, substitute the
> strings for Alt and Az, and call kstars --script in a loop.
>
> #
> KSTARS=`dcopfind -a 'kstars*'`
> MAIN=KStarsInterface
> CLOCK=clock#1
> dcop $KSTARS $MAIN  setAltAz 0 90
> dcop $KSTARS $MAIN  setLocalTime 2004 5 12 0 0 0
> dcop $KSTARS $MAIN  zoom 1000
> dcop $KSTARS $CLOCK stop
> ##
>
>
> This has many disadvantages, first it's pretty ugly (is there a way
> to pass parameters to this script?) second, and perhaps more
> important, each time Kstars reloads all the data, using a large
> amount of time.
>
> Do you have any idea to solve the problem in a smart way?
>
> Thank you
> Alessio Sangalli
>
>
>
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-- 
KStars: A KDE Planetarium
http://edu.kde.org/kstars