InitialObjectDescriptor { objectDescriptorID 1 ODProfileLevelIndication 0xFF sceneProfileLevelIndication 0xFE audioProfileLevelIndication 0xFF visualProfileLevelIndication 0xFF graphicsProfileLevelIndication 0xFE esdescr [ ES_Descriptor { es_id 1 decConfigDescr DecoderConfigDescriptor { streamType 3 decSpecificInfo BIFSConfig { isCommandStream true pixelMetric false pixelWidth 400 pixelHeight 300 } } } ] } Group { children [ WorldInfo { title "Billboard Test" info ["This shows a Billboard" "The green box should rotate to face the viewer" "" "GPAC Regression Tests" "(C) 2002-2004 GPAC Team"] } Viewpoint {position 0 0 10} Billboard { axisOfRotation 0 1 0 children [ Shape { appearance Appearance { material DEF MAT Material { diffuseColor 0 1 0 shininess 0.5 } } geometry Box {size 0.5 0.5 0.5} } ] } Transform { translation -1 0 0 children [ Shape { appearance Appearance { material Material { diffuseColor 1 0 0 } } geometry Box {size 0.5 0.5 0.5} } ] } ] }