Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 | 204x 204x 204x 8604572x 8603667x 8603667x 8603667x 39445273x 8601585x 8601585x 8601585x 22484x 22484x 22484x 22484x 204x 1041x 1041x 128x 1041x 1041x 1041x 1041x 200x 200x 200x 200x 200x 200x 200x 1041x 413x 200x 200x 200x 1041x 1041x 200x 204x | import dcmjs from 'dcmjs';
import pubSubServiceInterface from '../_shared/pubSubServiceInterface';
import createStudyMetadata from './createStudyMetadata';
import addProxyFields from '../../utils/addProxyFields';
const EVENTS = {
STUDY_ADDED: 'event::dicomMetadataStore:studyAdded',
INSTANCES_ADDED: 'event::dicomMetadataStore:instancesAdded',
SERIES_ADDED: 'event::dicomMetadataStore:seriesAdded',
SERIES_UPDATED: 'event::dicomMetadataStore:seriesUpdated',
};
/**
* @example
* studies: [
* {
* StudyInstanceUID: string,
* isLoaded: boolean,
* series: [
* {
* Modality: string,
* SeriesInstanceUID: string,
* SeriesNumber: number,
* SeriesDescription: string,
* instances: [
* {
* // naturalized instance metadata
* SOPInstanceUID: string,
* SOPClassUID: string,
* Rows: number,
* Columns: number,
* PatientSex: string,
* Modality: string,
* InstanceNumber: string,
* },
* {
* // instance 2
* },
* ],
* },
* {
* // series 2
* },
* ],
* },
* ],
*/
const _model = {
studies: [],
};
let metaDataProvider;
function _setMetaDataProvider(metaData) {
metaDataProvider = metaData;
}
function _getStudyInstanceUIDs() {
return _model.studies.map(aStudy => aStudy.StudyInstanceUID);
}
/**
* Gets a study (a collection of series) using it's StudyInstanceUID
* @param {*} StudyInstanceUID - Unique Identifier for the study
* @returns {*} A study object
*/
function _getStudy(StudyInstanceUID) {
return _model.studies.find(aStudy => aStudy.StudyInstanceUID === StudyInstanceUID);
}
/**
* Gets a series (a collection of images) using both
* the Study and Series InstanceUID's
* @param {*} StudyInstanceUID - Unique Identifier for the study
* @param {*} SeriesInstanceUID - Unique Identifier for the series
* @returns {*} A series object
*/
function _getSeries(StudyInstanceUID, SeriesInstanceUID) {
Iif (!StudyInstanceUID) {
const series = _model.studies.map(study => study.series).flat();
return series.find(aSeries => aSeries.SeriesInstanceUID === SeriesInstanceUID);
}
const study = _getStudy(StudyInstanceUID);
Iif (!study) {
return;
}
return study.series.find(aSeries => aSeries.SeriesInstanceUID === SeriesInstanceUID);
}
/**
* Gets an instance (a single image or object)
* @param {*} StudyInstanceUID - Unique Identifier for the study
* @param {*} SeriesInstanceUID - Unique Identifier for the series
* @param {*} SOPInstanceUID Unique Identifier for a specific instance
* @returns an instance object
*/
function _getInstance(StudyInstanceUID, SeriesInstanceUID, SOPInstanceUID) {
const series = _getSeries(StudyInstanceUID, SeriesInstanceUID);
Iif (!series) {
return;
}
return series.getInstance(SOPInstanceUID);
}
/**
* Gets the frame module from the OHIF metadata provider, and then
* uses the study/series/instance uids to get the instance data.
*/
function _getInstanceByImageId(imageId) {
const metadataResult = metaDataProvider?.get('frameModule', imageId);
if (metadataResult) {
const { studyInstanceUID, seriesInstanceUID, sopInstanceUID } = metadataResult;
return _getInstance(studyInstanceUID, seriesInstanceUID, sopInstanceUID);
}
console.warn('No metadata result found for', imageId, 'looking through instances');
for (const study of _model.studies) {
for (const series of study.series) {
for (const instance of series.instances) {
Iif (instance.imageId === imageId) {
return instance;
}
}
}
}
}
/**
* Update the metadata of a specific series
* @param {*} StudyInstanceUID
* @param {*} SeriesInstanceUID
* @param {*} metadata metadata inform of key value pairs
* @returns
*/
function _updateMetadataForSeries(StudyInstanceUID, SeriesInstanceUID, metadata) {
const study = _getStudy(StudyInstanceUID);
Iif (!study) {
return;
}
const series = study.series.find(aSeries => aSeries.SeriesInstanceUID === SeriesInstanceUID);
const { instances } = series;
// update all instances metadata for this series with the new metadata
instances.forEach(instance => {
Object.keys(metadata).forEach(key => {
// if metadata[key] is an object, we need to merge it with the existing
// metadata of the instance
if (typeof metadata[key] === 'object') {
instance[key] = { ...instance[key], ...metadata[key] };
}
// otherwise, we just replace the existing metadata with the new one
else {
instance[key] = metadata[key];
}
});
});
// broadcast the series updated event
this._broadcastEvent(EVENTS.SERIES_UPDATED, {
SeriesInstanceUID,
StudyInstanceUID,
madeInClient: true,
});
}
const BaseImplementation = {
EVENTS,
listeners: {},
addInstance(dicomJSONDatasetOrP10ArrayBuffer) {
let dicomJSONDataset;
// If Arraybuffer, parse to DICOMJSON before naturalizing.
if (dicomJSONDatasetOrP10ArrayBuffer instanceof ArrayBuffer) {
const dicomData = dcmjs.data.DicomMessage.readFile(dicomJSONDatasetOrP10ArrayBuffer);
dicomJSONDataset = dicomData.dict;
} else {
dicomJSONDataset = dicomJSONDatasetOrP10ArrayBuffer;
}
let naturalizedDataset;
if (dicomJSONDataset['SeriesInstanceUID'] === undefined) {
naturalizedDataset = dcmjs.data.DicomMetaDictionary.naturalizeDataset(dicomJSONDataset);
} else {
naturalizedDataset = dicomJSONDataset;
}
const { StudyInstanceUID, NumberOfFrames: numberOfFrames } = naturalizedDataset;
let study = _model.studies.find(study => study.StudyInstanceUID === StudyInstanceUID);
Iif (!study) {
_model.studies.push(createStudyMetadata(StudyInstanceUID));
study = _model.studies[_model.studies.length - 1];
}
naturalizedDataset =
numberOfFrames > 1 ? addProxyFields(naturalizedDataset) : naturalizedDataset;
study.addInstanceToSeries(naturalizedDataset);
},
addInstances(instances, madeInClient = false) {
const { StudyInstanceUID, SeriesInstanceUID, NumberOfFrames } = instances[0];
// For multiframe images (NumberOfFrames > 1), wrap each instance with a metadata proxy
// to enable fallback access for key image plane fields. This allows fields like
// ImagePositionPatient, ImageOrientationPatient, and PixelSpacing to be transparently
// resolved from parent or shared metadata if they are not directly present on the instance directly
if (NumberOfFrames > 1) {
instances = instances.map(instance => addProxyFields(instance));
}
let study = _model.studies.find(study => study.StudyInstanceUID === StudyInstanceUID);
Iif (!study) {
_model.studies.push(createStudyMetadata(StudyInstanceUID));
study = _model.studies[_model.studies.length - 1];
}
study.addInstancesToSeries(instances);
// Broadcast an event even if we used cached data.
// This is because the mode needs to listen to instances that are added to build up its active displaySets.
// It will see there are cached displaySets and end early if this Series has already been fired in this
// Mode session for some reason.
this._broadcastEvent(EVENTS.INSTANCES_ADDED, {
StudyInstanceUID,
SeriesInstanceUID,
madeInClient,
});
},
updateSeriesMetadata(seriesMetadata) {
const { StudyInstanceUID, SeriesInstanceUID } = seriesMetadata;
const series = _getSeries(StudyInstanceUID, SeriesInstanceUID);
Iif (!series) {
return;
}
const study = _getStudy(StudyInstanceUID);
Iif (study) {
study.setSeriesMetadata(SeriesInstanceUID, seriesMetadata);
}
},
addSeriesMetadata(seriesSummaryMetadata, madeInClient = false) {
Iif (!seriesSummaryMetadata || !seriesSummaryMetadata.length || !seriesSummaryMetadata[0]) {
return;
}
const { StudyInstanceUID } = seriesSummaryMetadata[0];
let study = _getStudy(StudyInstanceUID);
if (!study) {
study = createStudyMetadata(StudyInstanceUID);
// Will typically be undefined with a compliant DICOMweb server, reset later
study.StudyDescription = seriesSummaryMetadata[0].StudyDescription;
seriesSummaryMetadata.forEach(item => {
if (study.ModalitiesInStudy.indexOf(item.Modality) === -1) {
study.ModalitiesInStudy.push(item.Modality);
}
});
study.NumberOfStudyRelatedSeries = seriesSummaryMetadata.length;
_model.studies.push(study);
}
seriesSummaryMetadata.forEach(series => {
const { SeriesInstanceUID } = series;
study.setSeriesMetadata(SeriesInstanceUID, series);
});
this._broadcastEvent(EVENTS.SERIES_ADDED, {
StudyInstanceUID,
seriesSummaryMetadata,
madeInClient,
});
},
addStudy(study) {
const { StudyInstanceUID } = study;
const existingStudy = _model.studies.find(study => study.StudyInstanceUID === StudyInstanceUID);
Iif (!existingStudy) {
const newStudy = createStudyMetadata(StudyInstanceUID);
newStudy.PatientID = study.PatientID;
newStudy.PatientName = study.PatientName;
newStudy.StudyDate = study.StudyDate;
newStudy.ModalitiesInStudy = study.ModalitiesInStudy;
newStudy.StudyDescription = study.StudyDescription;
newStudy.AccessionNumber = study.AccessionNumber;
newStudy.NumInstances = study.NumInstances; // todo: Correct naming?
_model.studies.push(newStudy);
}
},
getStudyInstanceUIDs: _getStudyInstanceUIDs,
getStudy: _getStudy,
getSeries: _getSeries,
getInstance: _getInstance,
getInstanceByImageId: _getInstanceByImageId,
updateMetadataForSeries: _updateMetadataForSeries,
setMetaDataProvider: _setMetaDataProvider,
};
const DicomMetadataStore = Object.assign(
// get study
// iterate over all series
{},
BaseImplementation,
pubSubServiceInterface
);
export { DicomMetadataStore };
export default DicomMetadataStore;
|