InitialObjectDescriptor {
 objectDescriptorID 1
 audioProfileLevelIndication 255
 visualProfileLevelIndication 254
 sceneProfileLevelIndication 1
 graphicsProfileLevelIndication 1
 ODProfileLevelIndication 1
 esDescr [
  ES_Descriptor {
   ES_ID 1
   decConfigDescr DecoderConfigDescriptor {
    streamType 3
    decSpecificInfo BIFSConfig {
     isCommandStream true
     pixelMetric true
     pixelWidth 300
     pixelHeight 300
    }
   }
  }
 ]
}

DEF OG OrderedGroup {
 children [
  WorldInfo {
   info ["This shows node routing" "through exposed fields" "GPAC Regression Tests" "(C) 2002-2004 GPAC Team"]
   title "Node routing test"
  }
  DEF BACK Background2D {
   backColor 1 1 1
  }
  Transform2D {
   translation -100 0
   children [
    Shape {
     appearance DEF APP1 Appearance {
      material Material2D {
       emissiveColor 1 0 0
       filled TRUE
      }
     }
     geometry Rectangle {
      size 100 50
     }
    }
   ]
  }
  Transform2D {
   translation 100 0
   children [
    Shape {
     appearance DEF APP2 Appearance {
      material Material2D {
       emissiveColor 1 1 0
       filled TRUE
      }
     }
     geometry Circle {
      radius 50
     }
    }
   ]
  }
 ]
}

ROUTE APP1.material TO APP2.material

AT 2000 {
 REPLACE APP1.material BY Material2D {
  emissiveColor 1 0 1
  filled TRUE
 }
}