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Effect schemes are a way of rendering an object in different ways depending on the Compositor pipeline. A new <scheme> tag in the Compositor pipeline definition allows the user to choose which Effect scheme is going to be used for that pass. Every Effect will then be rendered using the technique that has a matching scheme name. If no valid technique is found, it won't be rendered. Since it would be a pain to define a valid technique for every scheme and for every Effect, the file '$FG_ROOT/Effects/schemes.xml' is introduced: <scheme> <name>test</name> <fallback>Effects/test</fallback> </scheme> If an Effect doesn't have a valid technique for the 'test' scheme, the 'Effects/test.eff' Effect will be merged with it. This process is done at initialization when techniques are being realized.
SimGear - Simulator Construction Tools ====================================== http://www.flightgear.org SimGear is a set of open-source libraries designed to be used as building blocks for quickly assembling 3d simulations, games, and visualization applications. SimGear is developed by the FlightGear project and also provides the base for the FlightGear Flight Simulator. Source code for SimGear is released under the GNU Library General Public License (LGPL) - see COPYING for license details. See INSTALL file for help on building SimGear.