Group {
		children [
				Background {
						groundAngle [ 1.309, 1.571 ]
						groundColor [ 0.1 0.1 0, 0.4 0.25 0.2, 0.6 0.6 0.6 ]
						skyAngle [ 1.309, 1.571 ]
						skyColor [ 0 0.2 0.7, 0 0.5 1, 1 1 1 ]
				}

				Viewpoint { position 0 0 5 }

				Transform {
					rotation 1 0 0 -0.99
					children [
						Shape {
								appearance Appearance {
										material Material {
												emissiveColor 0 1 0
										}
								}
								geometry BitWrapper { 
										node DEF MG MeshGrid {
												gridCoord { }
												coord { }
												color { }
												texCoord { }
												normal { }
												displayLevel 2
										}
										type 0
     								#url 12
										buffer "Quad_HD.mgh"
								}
						}
					]
				}
				DEF Level_SET ScalarInterpolator  {
					 key [0 0.2 0.4 ]
					 keyValue [ 0 1 2 ]
				}
				DEF Level-TIMER TimeSensor { cycleInterval 2.0 loop TRUE} 
    ]
} 


ROUTE Level-TIMER.fraction_changed TO Level_SET.set_fraction
ROUTE Level_SET.value_changed TO MG.displayLevel
