@cornerstonejs/dicom-image-loader
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Cornerstone Image Loader for DICOM WADO-URI and WADO-RS and Local file
39 lines (38 loc) • 1.66 kB
JavaScript
import getTagValue from '../getTagValue';
import getValue from './getValue';
import isNMReconstructable from '../../isNMReconstructable';
import getNumberValues from './getNumberValues';
function isNMModality(metaData) {
const modality = getValue(metaData['00080060']);
return modality.includes('NM');
}
function getImageTypeSubItemFromMetadata(metaData, index) {
const imageType = getTagValue(metaData['00080008'], false);
if (imageType) {
return imageType[index];
}
return undefined;
}
function extractOrientationFromNMMultiframeMetadata(metaData) {
let imageOrientationPatient;
const imageSubType = getImageTypeSubItemFromMetadata(metaData, 2);
if (imageSubType && isNMReconstructable(imageSubType)) {
const detectorInformationSequence = getTagValue(metaData['00540022']);
if (detectorInformationSequence) {
imageOrientationPatient = getNumberValues(detectorInformationSequence['00200037'], 6);
}
}
return imageOrientationPatient;
}
function extractPositionFromNMMultiframeMetadata(metaData) {
let imagePositionPatient;
const imageSubType = getImageTypeSubItemFromMetadata(metaData, 2);
if (imageSubType && isNMReconstructable(imageSubType)) {
const detectorInformationSequence = getTagValue(metaData['00540022']);
if (detectorInformationSequence) {
imagePositionPatient = getNumberValues(detectorInformationSequence['00200032'], 3);
}
}
return imagePositionPatient;
}
export { extractOrientationFromNMMultiframeMetadata, extractPositionFromNMMultiframeMetadata, isNMModality, getImageTypeSubItemFromMetadata, };