Here is a list of all documented class members with links to the class documentation for each member:

- i -

• increment_current() : SGRoute
• init() : SGMaterial , SGSubsystem , SGXmlSound , SGSubsystemGroup , SGBbCache , SGSubsystemMgr , SGSoundMgr
• instance() : SGCommandMgr
• interpolate() : SGInterpTable
• invalidate() : SGBbCache
• invalidateCache() : SGBbCache
• is_active() : SGSoundMgr
• is_enabled() : SGSerialPort
• is_file() : SGSoundSample
• is_loaded() : simgear::TileEntry
• is_looping() : SGSoundSample
• is_open() : gzfilebuf , sg_gzifstream
• is_playing() : SGSoundSample , SGSoundMgr
• is_suspended() : SGSubsystem , SGSubsystemGroup , SGSubsystemMgr
• is_valid_buffer() : SGSoundSample
• is_valid_source() : SGSoundSample
• is_working() : SGSoundMgr
• isAlias() : SGPropertyNode
• isBbValid() : SGBbCache
• isTied() : SGPropertyNode