Hi!
2015-06-26 4:03 GMT+06:00 Georg Zotti <georg.zo...@univie.ac.at>:
> Hello!
>
> I would like to have a cylindrical projection along the horizon which does
> not require that the horizon (if you want it straight) is in the vertical
> center of the screen, but lower, so that more sky is visible while still
> having some of the ground visible, altitude range e.g. -5...20 degrees,
> just with a straight horizon. I think several projections could benefit
> from this.
>
> This would require some offsetting of the viewport center. There is a
> class StelViewportEffect, would I have to subclass that, or make a variant
> of CylindricalProjection, or is this even available already? There are
> some traces of config.ini entries which hint at this functionality having
> been available already in earlier versions.
>
Well, it can be not easy. All projections in the Stellarium splitted in two
parts at the moment and it's difficult for understanding.
Apparently you want this feature:
https://bugs.launchpad.net/stellarium/+bug/1299063
Please ask Fabien for details of this parts of the code, because I don't
undertsand half of this parts.
--
WBW, Alexander
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