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| 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 | import OHIF, { DicomMetadataStore } from '@ohif/core';
import loadAnnotation from './utils/loadAnnotation';
import getSourceDisplaySet from './utils/getSourceDisplaySet';
const { utils } = OHIF;
const SOP_CLASS_UIDS = {
MICROSCOPY_BULK_SIMPLE_ANNOTATION: '1.2.840.10008.5.1.4.1.1.91.1',
};
const SOPClassHandlerId =
'@ohif/extension-dicom-microscopy.sopClassHandlerModule.DicomMicroscopyANNSopClassHandler';
function _getDisplaySetsFromSeries(instances, servicesManager, extensionManager) {
// If the series has no instances, stop here
if (!instances || !instances.length) {
throw new Error('No instances were provided');
}
const { displaySetService, microscopyService } = servicesManager.services;
// Sort instances by date/time in ascending order (oldest first)
const sortedInstances = [...instances].sort((a, b) => {
const dateA = `${a.ContentDate}${a.ContentTime}`;
const dateB = `${b.ContentDate}${b.ContentTime}`;
return dateA.localeCompare(dateB);
});
// Get the most recent instance (last in the sorted array)
const instance = sortedInstances[sortedInstances.length - 1];
const naturalizedDataset = DicomMetadataStore.getSeries(
instance.StudyInstanceUID,
instance.SeriesInstanceUID
).instances[0];
const {
SeriesDescription,
ContentDate,
ContentTime,
SeriesNumber,
StudyInstanceUID,
SeriesInstanceUID,
SOPInstanceUID,
SOPClassUID,
} = instance;
const displaySet = {
isOverlayDisplaySet: true,
plugin: 'microscopy',
Modality: 'ANN',
thumbnailSrc: null,
altImageText: 'Microscopy Annotation',
displaySetInstanceUID: utils.uuidv4(),
SOPInstanceUID,
SeriesInstanceUID,
StudyInstanceUID,
SOPClassHandlerId,
SOPClassUID,
SeriesDescription,
// Map the content date/time to the series date/time, these are only used for filtering.
SeriesDate: ContentDate,
SeriesTime: ContentTime,
SeriesNumber,
instance,
metadata: naturalizedDataset,
isDerived: true,
isLoading: false,
isLoaded: false,
loadError: false,
};
displaySet.load = function () {
return loadAnnotation({
microscopyService,
displaySet,
extensionManager,
servicesManager,
}).catch(error => {
displaySet.isLoaded = false;
displaySet.loadError = true;
throw new Error(error);
});
};
displaySet.getSourceDisplaySet = function () {
let allDisplaySets = [];
const studyMetadata = DicomMetadataStore.getStudy(StudyInstanceUID);
studyMetadata.series.forEach(series => {
const displaySets = displaySetService.getDisplaySetsForSeries(series.SeriesInstanceUID);
allDisplaySets = allDisplaySets.concat(displaySets);
});
const ds = getSourceDisplaySet(allDisplaySets, displaySet);
return ds;
};
return [displaySet];
}
export default function getDicomMicroscopyANNSopClassHandler({
servicesManager,
extensionManager,
}) {
const getDisplaySetsFromSeries = instances => {
return _getDisplaySetsFromSeries(instances, servicesManager, extensionManager);
};
return {
name: 'DicomMicroscopyANNSopClassHandler',
sopClassUids: [SOP_CLASS_UIDS.MICROSCOPY_BULK_SIMPLE_ANNOTATION],
getDisplaySetsFromSeries,
};
}
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