Realism: Difference between revisions

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How realistic is FlightGear aircraft and environment? How can I get the most realism out of the FlightGear environment?
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How realistic is [[FlightGear]] [[aircraft]] and environment? How can I get the most realism out of the FlightGear environment?


== Aircraft ==
== Aircraft ==
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=== Extensive and Accurate World Scenery Data Base ===
=== Extensive and Accurate World Scenery Data Base ===
 
* Over 20,000 real world airports included in the full [[scenery]] set.
* Over 20,000 real world airports included in the full scenery set.
* Correct runway markings and placement, correct runway and approach lighting.
* Correct runway markings and placement, correct runway and approach lighting.
* Taxiways available for many larger airports (even including the green center line lights when appropriate.)
* Taxiways available for many larger airports (even including the green center line lights when appropriate.)
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* Nice scenery night lighting with ground lighting concentrated in urban areas (based on real maps) and headlights visible on major highways. This allows for realistic night VFR flying with the ability to spot towns and cities and follow roads.
* Nice scenery night lighting with ground lighting concentrated in urban areas (based on real maps) and headlights visible on major highways. This allows for realistic night VFR flying with the ability to spot towns and cities and follow roads.
* Scenery tiles are paged (loaded/unloaded) in a separate thread to minimize the frame rate hit when you need to load new areas.
* Scenery tiles are paged (loaded/unloaded) in a separate thread to minimize the frame rate hit when you need to load new areas.


Real world tower registration data was used to locate towers in the United States. The data was sourced from the United States Federal Communications Commission tower registration database.
Real world tower registration data was used to locate towers in the United States. The data was sourced from the United States Federal Communications Commission tower registration database.


Thousands of objects have been added through the [FlightGear Scenery Database http://fgfsdb.stockill.org/].
Thousands of objects have been added through the [http://fgfsdb.stockill.org/ FlightGear Scenery Database].


* 2700+ obstructions added for France (not sure of the source for this obstruction data)
* 2700+ obstructions added for France (not sure of the source for this obstruction data)
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Todo: weather
Todo: weather


FlightGear can periodically download weather (METAR) data. This information is used to influence the environment.  This can be most easily enabled with <tt>--enable-real-weather-fetch</tt>
FlightGear can periodically download weather ([[METAR]]) data. This information is used to influence the environment.  This can be most easily enabled with <tt>--enable-real-weather-fetch</tt>


As of FG 0.9.10, for the current METAR station, FG models:
As of FG 0.9.10, for the current METAR station, FG models:
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=== Accurate and Detailed Sky Model ===
=== Accurate and Detailed Sky Model ===
 
[[Image:Moon.jpg|thumb|270px|The full texture moon]]
FlightGear implements extremely accurate time of day modeling with correctly placed sun, moon, stars, and planets for the specified time and date. FlightGear can track the current computer clock time in order to correctly place the sun, moon, stars, etc. in their current and proper place relative to the earth. If it's dawn in Sydney right now, it's dawn in the sim right now when you locate yourself in virtual Sydney. The sun, moon, stars, and planets all follow their correct courses through the sky. This modeling also correctly takes into account seasonal effects so you have 24 hour days north of the arctic circle in the summer, etc. We also illuminate the correctly placed moon with the correctly placed sun to get the correct phase of the moon for the current time/date, just like in real life.
FlightGear implements extremely accurate time of day modeling with correctly placed sun, moon, stars, and planets for the specified time and date. FlightGear can track the current computer clock time in order to correctly place the sun, moon, stars, etc. in their current and proper place relative to the earth. If it's dawn in Sydney right now, it's dawn in the sim right now when you locate yourself in virtual Sydney. The sun, moon, stars, and planets all follow their correct courses through the sky. This modeling also correctly takes into account seasonal effects so you have 24 hour days north of the arctic circle in the summer, etc. We also illuminate the correctly placed moon with the correctly placed sun to get the correct phase of the moon for the current time/date, just like in real life.

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