100 lines
2.5 KiB
JavaScript
100 lines
2.5 KiB
JavaScript
import dcmjs from 'dcmjs';
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import cornerstoneWADOImageLoader from 'cornerstone-wado-image-loader';
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import FileLoader from './fileLoader';
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import OHIF from '@ohif/core';
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const metadataProvider = OHIF.cornerstone.metadataProvider;
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const DICOMFileLoader = new (class extends FileLoader {
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fileType = 'application/dicom';
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loadFile(file, imageId) {
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return cornerstoneWADOImageLoader.wadouri.loadFileRequest(imageId);
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}
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getDataset(image, imageId) {
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let dataset = {};
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try {
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const dicomData = dcmjs.data.DicomMessage.readFile(image);
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dataset = dcmjs.data.DicomMetaDictionary.naturalizeDataset(
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dicomData.dict
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);
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metadataProvider.addInstance(dataset);
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dataset._meta = dcmjs.data.DicomMetaDictionary.namifyDataset(
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dicomData.meta
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);
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} catch (e) {
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console.error('Error reading dicom file', e);
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}
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// Set imageId on dataset to be consumed later on
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dataset.imageId = imageId;
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return dataset;
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}
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getStudies(dataset, imageId) {
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return this.getStudyFromDataset(dataset);
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}
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getStudyFromDataset(dataset = {}) {
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const {
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StudyInstanceUID,
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StudyDate,
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StudyTime,
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AccessionNumber,
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ReferringPhysicianName,
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PatientName,
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PatientID,
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PatientBirthDate,
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PatientSex,
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StudyID,
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StudyDescription,
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SeriesInstanceUID,
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SeriesDescription,
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SeriesNumber,
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imageId,
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} = dataset;
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const instance = {
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metadata: dataset,
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url: imageId,
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};
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const series = {
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SeriesInstanceUID: SeriesInstanceUID,
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SeriesDescription: SeriesDescription,
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SeriesNumber: SeriesNumber,
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instances: [instance],
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};
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const study = {
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StudyInstanceUID,
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StudyDate,
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StudyTime,
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AccessionNumber,
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ReferringPhysicianName,
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PatientName,
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PatientID,
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PatientBirthDate,
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PatientSex,
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StudyID,
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StudyDescription,
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/*
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TODO: in case necessary to uncomment this block, double check every property
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numberOfStudyRelatedSeries: NumberOfStudyRelatedSeries || DICOMWeb.getString(dataset['00201206']),
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numberOfStudyRelatedInstances: NumberOfStudyRelatedInstances || DICOMWeb.getString(dataset['00201208']),
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Modality: Modality || DICOMWeb.getString(dataset['00080060']),
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ModalitiesInStudy: ModalitiesInStudy || DICOMWeb.getString(dataset['00080061']),
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modalities:
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*/
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series: [series],
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};
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return study;
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}
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})();
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export default DICOMFileLoader;
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