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FlightGear Newsletter September 2010: Difference between revisions
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FlightGear Newsletter September 2010 (view source)
Revision as of 02:46, 24 September 2010
, 24 September 2010→Local Weather v0.85: linking to A local weather system
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===Local Weather v0.85=== | ===Local Weather v0.85=== | ||
The [http://www.phy.duke.edu/~trenk/files/local_weather_fgfs2.0.0_v0.85.tgz version 0.85] (also on GIT) of the Local Weather package is out - with new cloud types and textures and most importantly a significant performance gain over previous versions. There is a new menu to allow the user at runtime to specify cloud visual ranges, so that the impact on framerate can be adjusted to the situation. | The [http://www.phy.duke.edu/~trenk/files/local_weather_fgfs2.0.0_v0.85.tgz version 0.85] (also on GIT) of the [[A local weather system|Local Weather package]] is out - with new cloud types and textures and most importantly a significant performance gain over previous versions. There is a new menu to allow the user at runtime to specify cloud visual ranges, so that the impact on framerate can be adjusted to the situation. | ||
The increased performance means that 3d clouds on fast systems can be rendered out to 45 km, and high altitude 2d cloud sheets sometimes up to 80 km - vastly improving the visual impression of the sky from airliner altitudes. | The increased performance means that 3d clouds on fast systems can be rendered out to 45 km, and high altitude 2d cloud sheets sometimes up to 80 km - vastly improving the visual impression of the sky from airliner altitudes. | ||
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[[File:new_weather_dialog.png|thumb|200px|The new weather dialog]] | [[File:new_weather_dialog.png|thumb|200px|The new weather dialog]] | ||
=== Weather supporting core code === | === Weather supporting core code === | ||
The weather supporting core of FlightGear [http://gitorious.org/fg/flightgear/commit/5c6fe952598053fa63631fc0161d666f22a50f51 has been modified] during the last weeks to better support new weather models like the above mentioned Local Weather system. Data flow between environment systems is now defined in XML config files using well [[Autopilot Configuration Reference|known syntax and elements from the autopilot]]. Complex rules using predefined filters and arbitrary expressions can be defined without the need for C++ or Nasal coding. | The weather supporting core of FlightGear [http://gitorious.org/fg/flightgear/commit/5c6fe952598053fa63631fc0161d666f22a50f51 has been modified] during the last weeks to better support new weather models like the above mentioned Local Weather system. Data flow between environment systems is now defined in XML config files using well [[Autopilot Configuration Reference|known syntax and elements from the autopilot]]. Complex rules using predefined filters and arbitrary expressions can be defined without the need for C++ or Nasal coding. | ||