[Marble-devel] Re: Texture quality

[Torsten Rahn]

Meanwhile the fix has entered the marble master git repo: 

https://projects.kde.org/projects/kde/kdeedu/marble/repository/revisions/1a47a384e72270826b4ae5a6925472e93d0c4f01

Best Regards,

Torsten

On Tuesday, 21. June 2011 16:02:50 bbeschow at cs.tu-berlin.de wrote:
> Hello Helmut,
> 
> >> My customer complains about a worsening of the texture quality and I can
> >> verify this. If I view the schagen map from a height of 2756.7 km the
> >> old
> >> version has a much better quality. I can provide screen-dumps if you
> >> cannot reproduce this effect.
> > 
> > Yes I can confirm this effect: for a few zoomlevels the point where
> > Marble switches between zoomlevels doesn't seem to be optimal.
> > 
> > Bernhard: Could this be related to the latest changes with "sharp"
> > discrete mercator display?
> 
> I rather think it's related to the following commit, where the tile
> selection logic was modified to take the number of base tiles into
> account:
> 
> https://projects.kde.org/projects/kde/kdeedu/marble/repository/revisions/55
> 04cd4ac761fbb469814db5a65785deb64ad7f9
> 
> Meanwhile, the code has moved to TextureLayer::paintGlobe().
> 
> > Just a thought: Is it currently possible to "tweak" the zoom level change
> > via
> > the dgml files?
> 
> I currently can't imagine a way to tweak a dgml file. However, it should
> be possible to tweak the tile level selection logic to choose a higher
> tile level.
> 
> Helmut, would that help you?
> 
> Greetings,
> Bernhard