Redraw artefacts #1722
Comments
Author: Simon Arlott I can't attach screenshot-sized files...
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Author: Simon Arlott If I insert the following into MapView::panScreen before the update() call, the problem goes away:
If this is a bug outside of Merkaartor relating to partial redraws, perhaps this could be a configuration option (force full redraw)? |
Author: Simon Arlott The above fix still has problems with the red grid dots... turning off "show downloaded areas" fixes the unmodified 0.13.1 too. |
Author: koying Could you try adding "NVIDIA_HACK=1" to your qmake, i.e. "qmake -r NVIDIA_HACK=1 ...". Which Qt version are you using? |
Author: Simon Arlott I'm using Qt 4.5.0. That partially fixes it... but the red dots stay after I download and it breaks when I zoom in far enough: http://s85.org/C5Al1xla. |
Author: koying I'm afraid there is a 99% chance it is a system dependant bug. Could you try with the "radeon" or "radeonHD" driver for your ATI card? |
Author: Koying Solved in 0.13.2 |
Reporter: Simon Arlott
[Submitted to the original trac issue database at 8.31am, Sunday, 19th April 2009]
Merkaartor 0.12 and 0.13.1 are unusable for me as the redraw doesn't work properly. Merkaartor 0.10 still works.
Moving around or zooming causes a ghosting effect, and all or some of the map may have noise over it.
I'm using Linux 2.6.29 with Xorg 1.5.3 and fglrx 8.582.
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