@cornerstonejs/dicom-image-loader/dist/esm/shared/scaling/scaleArray.js

Cornerstone Image Loader for DICOM WADO-URI and WADO-RS and Local file

export default function scaleArray(array, scalingParameters) {
    const arrayLength = array.length;
    const { rescaleSlope, rescaleIntercept, suvbw, doseGridScaling } = scalingParameters;
    if (scalingParameters.modality === 'PT' &&
        typeof suvbw === 'number' &&
        !isNaN(suvbw)) {
        for (let i = 0; i < arrayLength; i++) {
            array[i] = suvbw * (array[i] * rescaleSlope + rescaleIntercept);
        }
    }
    else if (scalingParameters.modality === 'RTDOSE' &&
        typeof doseGridScaling === 'number' &&
        !isNaN(doseGridScaling)) {
        for (let i = 0; i < arrayLength; i++) {
            array[i] = array[i] * doseGridScaling;
        }
    }
    else {
        for (let i = 0; i < arrayLength; i++) {
            array[i] = array[i] * rescaleSlope + rescaleIntercept;
        }
    }
    return true;
}