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List:       kstars-devel
Subject:    Re: [Kstars-devel] Note on drawing speed
From:       Khudyakov Alexey <alexey.skladnoy () gmail ! com>
Date:       2010-03-28 15:55:59
Message-ID: 201003281955.59757.alexey.skladnoy () gmail ! com
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В соо щении от 27 марта 2010 13:27:21 вы написали:
> Hi,
> 
> I dont now how in QT, but in Java there two methods 'moveTo' and 'paintTo'.
> Make sure that you are using 'moveTo' when both points are of screen.
> 
I'd like to thank everyone for pointers. I tried approach with drawPolyline. 
It does work and I have roughly 2x speedup from 300-400ms to 150-250ms on low 
zoom. My code doesn't work properly in border cases yet. But result are 
promising.
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