HeightReference() Represents the position relative to the terrain. Members staticconstantCesium.HeightReference.CLAMP_TO_GROUND : Number The position is clamped to the terrain. staticconstantCesium.HeightReference.NONE : Number The position is absolute. staticconstantCesium.HeightReference.RELATIVE_TO_GROUND : Number The position height is the height above the terrain.
HeightReference