ExtrapolationType() Core/ExtrapolationType.js 16 Constants to determine how an interpolated value is extrapolated when querying outside the bounds of available data. See: SampledProperty Members staticconstantCesium.ExtrapolationType.EXTRAPOLATE : Number Core/ExtrapolationType.js 39 The value is extrapolated. staticconstantCesium.ExtrapolationType.HOLD : Number Core/ExtrapolationType.js 31 The first or last value is used when outside the range of sample data. staticconstantCesium.ExtrapolationType.NONE : Number Core/ExtrapolationType.js 23 No extrapolation occurs.