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# Sampler Option Values

Values for sampler option keys.

## Topics

### Constants

[`let kCISamplerWrapBlack: String`](/documentation/CoreImage/kCISamplerWrapBlack)

Pixels are transparent black.

[`let kCISamplerWrapClamp: String`](/documentation/CoreImage/kCISamplerWrapClamp)

Coordinates are clamped to the extent.

[`let kCISamplerFilterNearest: String`](/documentation/CoreImage/kCISamplerFilterNearest)

Nearest neighbor sampling.

[`let kCISamplerFilterLinear: String`](/documentation/CoreImage/kCISamplerFilterLinear)

Bilinear interpolation.


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