const windowWidth = 400
const windowCenter = 40

const lower = windowCenter - windowWidth / 2.0
const upper = windowCenter + windowWidth / 2.0

const ctVoiRange = { lower, upper }

export default function setCtTransferFunctionForVolumeActor({ volumeActor }) {
  volumeActor
    .getProperty()
    .getRGBTransferFunction(0)
    .setMappingRange(lower, upper)
}

export { ctVoiRange }
