# ExtrapolationType

#### 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.