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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 | 34x 34x 2x 2x 2x 117x 34x 1x 1x 1x 2x 2x 2x 2x 2x 2x 2x 1x 34x 1x 1x 1x 1x 1x 1x 1x 1x | import { DisplaySetService, classes } from '@ohif/core';
const ImageSet = classes.ImageSet;
const findInstance = (measurement, displaySetService: DisplaySetService) => {
const { displaySetInstanceUID, ReferencedSOPInstanceUID: sopUid } = measurement;
const referencedDisplaySet = displaySetService.getDisplaySetByUID(displaySetInstanceUID);
Iif (!referencedDisplaySet.images) {
return;
}
return referencedDisplaySet.images.find(it => it.SOPInstanceUID === sopUid);
};
/** Finds references to display sets inside the measurements
* contained within the provided display set.
* @return an array of instances referenced.
*/
const findReferencedInstances = (displaySetService: DisplaySetService, displaySet) => {
const instances = [];
const instanceById = {};
for (const measurement of displaySet.measurements) {
const { imageId } = measurement;
Iif (!imageId) {
continue;
}
Iif (instanceById[imageId]) {
continue;
}
const instance = findInstance(measurement, displaySetService);
Iif (!instance) {
console.log('Measurement', measurement, 'had no instances found');
continue;
}
instanceById[imageId] = instance;
instances.push(instance);
}
return instances;
};
/**
* Creates a new display set containing a single image instance for each
* referenced image.
*
* @param displaySetService
* @param displaySet - containing measurements referencing images.
* @returns A new (registered/active) display set containing the referenced images
*/
const createReferencedImageDisplaySet = (displaySetService, displaySet) => {
const instances = findReferencedInstances(displaySetService, displaySet);
// This will be a member function of the created image set
const updateInstances = function () {
this.images.splice(
0,
this.images.length,
...findReferencedInstances(displaySetService, displaySet)
);
this.numImageFrames = this.images.length;
};
const imageSet = new ImageSet(instances);
const instance = instances[0];
Iif (!instance) {
return;
}
imageSet.setAttributes({
displaySetInstanceUID: imageSet.uid, // create a local alias for the imageSet UID
SeriesDate: instance.SeriesDate,
SeriesTime: instance.SeriesTime,
SeriesInstanceUID: imageSet.uid,
StudyInstanceUID: instance.StudyInstanceUID,
SeriesNumber: instance.SeriesNumber || 0,
SOPClassUID: instance.SOPClassUID,
SeriesDescription: `${displaySet.SeriesDescription} KO ${displaySet.instance.SeriesNumber}`,
Modality: 'KO',
isMultiFrame: false,
numImageFrames: instances.length,
SOPClassHandlerId: `@ohif/extension-default.sopClassHandlerModule.stack`,
isReconstructable: false,
// This object is made of multiple instances from other series
isCompositeStack: true,
madeInClient: true,
excludeFromThumbnailBrowser: true,
updateInstances,
});
displaySetService.addDisplaySets(imageSet);
return imageSet;
};
export default createReferencedImageDisplaySet;
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