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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 | 34x 34x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 4x 2x 4x 4x 4x 4x 4x 4x 2x 2x 4x 4x 4x 4x 2x 2x 2x 2x 2x 2x 2x 2x 2x 309x 2x 2x 2x 2x 34x 2x | import { utils } from '@ohif/core';
import { SOPClassHandlerId } from './id';
import loadRTStruct from './loadRTStruct';
const sopClassUids = ['1.2.840.10008.5.1.4.1.1.481.3'];
const loadPromises = {};
function _getDisplaySetsFromSeries(
instances,
servicesManager: AppTypes.ServicesManager,
extensionManager
) {
const instance = instances[0];
const {
StudyInstanceUID,
SeriesInstanceUID,
SOPInstanceUID,
SeriesDescription,
SeriesNumber,
SeriesDate,
SOPClassUID,
wadoRoot,
wadoUri,
wadoUriRoot,
} = instance;
const displaySet = {
Modality: 'RTSTRUCT',
loading: false,
isReconstructable: false, // by default for now since it is a volumetric SEG currently
displaySetInstanceUID: utils.guid(),
SeriesDescription,
SeriesNumber,
SeriesDate,
SOPInstanceUID,
SeriesInstanceUID,
StudyInstanceUID,
SOPClassHandlerId,
SOPClassUID,
referencedImages: null,
referencedSeriesInstanceUID: null,
referencedDisplaySetInstanceUID: null,
isDerivedDisplaySet: true,
isLoaded: false,
isHydrated: false,
structureSet: null,
sopClassUids,
instance,
wadoRoot,
wadoUriRoot,
wadoUri,
isOverlayDisplaySet: true,
};
let referencedSeriesSequence = instance.ReferencedSeriesSequence;
if (instance.ReferencedFrameOfReferenceSequence && !instance.ReferencedSeriesSequence) {
instance.ReferencedSeriesSequence = _deriveReferencedSeriesSequenceFromFrameOfReferenceSequence(
instance.ReferencedFrameOfReferenceSequence
);
referencedSeriesSequence = instance.ReferencedSeriesSequence;
}
Iif (!referencedSeriesSequence) {
throw new Error('ReferencedSeriesSequence is missing for the RTSTRUCT');
}
const referencedSeries = referencedSeriesSequence[0];
displaySet.referencedImages = instance.ReferencedSeriesSequence.ReferencedInstanceSequence;
displaySet.referencedSeriesInstanceUID = referencedSeries.SeriesInstanceUID;
const { displaySetService } = servicesManager.services;
const referencedDisplaySets = displaySetService.getDisplaySetsForSeries(
displaySet.referencedSeriesInstanceUID
);
Iif (!referencedDisplaySets || referencedDisplaySets.length === 0) {
// Instead of throwing error, subscribe to display sets added
const { unsubscribe } = displaySetService.subscribe(
displaySetService.EVENTS.DISPLAY_SETS_ADDED,
({ displaySetsAdded }) => {
const addedDisplaySet = displaySetsAdded[0];
Iif (addedDisplaySet.SeriesInstanceUID === displaySet.referencedSeriesInstanceUID) {
displaySet.referencedDisplaySetInstanceUID = addedDisplaySet.displaySetInstanceUID;
unsubscribe();
}
}
);
} else {
const referencedDisplaySet = referencedDisplaySets[0];
displaySet.referencedDisplaySetInstanceUID = referencedDisplaySet.displaySetInstanceUID;
}
displaySet.load = ({ headers }) => _load(displaySet, servicesManager, extensionManager, headers);
return [displaySet];
}
function _load(rtDisplaySet, servicesManager: AppTypes.ServicesManager, extensionManager, headers) {
const { SOPInstanceUID } = rtDisplaySet;
const { segmentationService } = servicesManager.services;
Iif (
(rtDisplaySet.loading || rtDisplaySet.isLoaded) &&
loadPromises[SOPInstanceUID] &&
_segmentationExistsInCache(rtDisplaySet, segmentationService)
) {
return loadPromises[SOPInstanceUID];
}
rtDisplaySet.loading = true;
// We don't want to fire multiple loads, so we'll wait for the first to finish
// and also return the same promise to any other callers.
loadPromises[SOPInstanceUID] = new Promise(async (resolve, reject) => {
if (!rtDisplaySet.structureSet) {
const structureSet = await loadRTStruct(extensionManager, rtDisplaySet, headers);
rtDisplaySet.structureSet = structureSet;
}
segmentationService
.createSegmentationForRTDisplaySet(rtDisplaySet)
.then(() => {
rtDisplaySet.loading = false;
resolve();
})
.catch(error => {
rtDisplaySet.loading = false;
reject(error);
});
});
return loadPromises[SOPInstanceUID];
}
function _deriveReferencedSeriesSequenceFromFrameOfReferenceSequence(
ReferencedFrameOfReferenceSequence
) {
const ReferencedSeriesSequence = [];
ReferencedFrameOfReferenceSequence.forEach(referencedFrameOfReference => {
const { RTReferencedStudySequence } = referencedFrameOfReference;
RTReferencedStudySequence.forEach(rtReferencedStudy => {
const { RTReferencedSeriesSequence } = rtReferencedStudy;
RTReferencedSeriesSequence.forEach(rtReferencedSeries => {
const ReferencedInstanceSequence = [];
const { ContourImageSequence, SeriesInstanceUID } = rtReferencedSeries;
ContourImageSequence.forEach(contourImage => {
ReferencedInstanceSequence.push({
ReferencedSOPInstanceUID: contourImage.ReferencedSOPInstanceUID,
ReferencedSOPClassUID: contourImage.ReferencedSOPClassUID,
});
});
const referencedSeries = {
SeriesInstanceUID,
ReferencedInstanceSequence,
};
ReferencedSeriesSequence.push(referencedSeries);
});
});
});
return ReferencedSeriesSequence;
}
function _segmentationExistsInCache(
rtDisplaySet,
segmentationService: AppTypes.SegmentationService
) {
// Todo: fix this
return false;
// This should be abstracted with the CornerstoneCacheService
const rtContourId = rtDisplaySet.displaySetInstanceUID;
const contour = segmentationService.getContour(rtContourId);
return contour !== undefined;
}
function getSopClassHandlerModule({ servicesManager, extensionManager }) {
return [
{
name: 'dicom-rt',
sopClassUids,
getDisplaySetsFromSeries: instances => {
return _getDisplaySetsFromSeries(instances, servicesManager, extensionManager);
},
},
];
}
export default getSopClassHandlerModule;
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