Hi,

> Well, just tested, very nice, I withnessed an improvement in
> performance.
> 
> My specs: Athlon XP2000, 768MB ram, NVidia FX 5900 @
> 1680x1050 (system: 
> linux with nvidia drivers), no AA
> 
> Using: sg + fg cvs, OSG 2.7.5; everything enabled, custom
> settings, 
> using metar, no ai/mp planes around
> 
> 
> Startup:  30fps 2D/ 20fps 3D (clouds at 6000ft, scattered,
> thickness 600ft)
> 
> Flying 400ft/440knots: 26fps 2D/ 19fps 3D (clouds at
> 6000ft, scattered, 
> thickness 600ft)
> 
> Flying 6300ft/440knots: 35fps 2d/ 11-22fps (clouds at
> 6000ft, scattered, 
> thickness 600ft)
> Note: Flying within the clouds resulted in 22fps, getting
> very close or 
> through clouds 11fps
> 
> 
> Changing conditions:
> 
> Low vis (7000m), clouds at 8000ft(broken) and
> 4000ft(broken), thickness 
> 600ft
> 
> Flying @ 8000ft/440knots: 14fps 2D/ 6fps 3D
> 
>  >Low vis being also a frame rate killer?
> 
> 
> Changing conditions:
> 
> Vis (25000m), clouds at 5500ft(broken), thickness 600ft
> 
> Flying @ 8000ft/440knots: 25fps 2D/ 16fps 3D
> 
> Flying @ 6000ft/440knots: 20fps 2D/ 12fps 3D
> 
> Hope this helps a bit,
> Markus
> 
> 
Here comes my test:
Intel DualCore E6750 2.66 Ghz 3,6 GB RAM Nvidia 8800GT @1280x768 full AA

FGFS-OSG win32 built by Fred from 11/26/2008 everything enabled  Real wether 
fetch, framerate-throttle at 60fps

Startup on TNCM:  60fps 2D/ 49fps 3D (fair weather, visibility: 25000m )

Flying 400ft/440knots: 60fps 2D/ 53fps 3D (fair weather, visibility: 25000m)

Flying 6300ft/440knots: 60ps 2d/ 60fps (fair weather, visibility: 25000m)

Note: Flying within the clouds no reducing of fps visible

No with METAR enabled:
LSZH startup cloud base at 1304ft thickness 600ft
38fps 2D/ 21fps 3d (visibility: 8000m)

LSZH heading 160 8500ft altitude cloud base 1304ft thickness 600ft
48fps 2d/ 20fps 3d (visibility: 8000m)

The same for beeing in the air about 2400-6500 ft altitude

scattered cloudlayer seems to be a framerate-killer


So I noticed the same like Markus: increasing visibility increases the fps! 


Regarding the ugly-borders: together with increasing visibility (decreasing 
fog) and better texture (third version in developement here on my pc) the 
ugly-borders nearly disappear and the clouds looks much better (fewer ugly 
edges in the clouds- sorting looks much better; much softer shading!)

Is there a way to exclude the 3d-clouds by overdrawn from the fog? (like it is 
possible with the terrain?)
http://www.flightgear.org/forums/download/file.php?id=382

Regards
HHS







      

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