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 400
     pixelHeight 400
    }
   }
  }
 ]
}

OrderedGroup {
 children [
  WorldInfo {
   info ["This shows 2D size interpolation" "" "GPAC Regression Tests" "(C) 2002-2004 GPAC Team"]
   title "PositionInterpolator2D"
  }
  DEF BACK Background2D {
   backColor 1 1 1
  }
  DEF TR Transform2D {
   scale 0.5 0.5
   children [
    Shape {
     appearance Appearance {
      material DEF MAT Material2D {
       emissiveColor 1 0 0
       filled TRUE
      }
     }
     geometry IndexedFaceSet2D {
      coord DEF COORD Coordinate2D {
       point [-100 0 -50 100 50 100 100 0 50 -100 -50 -100]
      }
     }
    }
   ]
  }
  DEF TS TimeSensor {
   cycleInterval 2
   loop TRUE
  }
  DEF SI PositionInterpolator2D {
   key [0 0.25 0.5 0.75 1]
   keyValue [1 1 2 1 1 1 1 2 1 1]
  }
 ]
}

ROUTE TS.fraction_changed TO SI.set_fraction
ROUTE SI.value_changed TO TR.scale