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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 | 34x 34x 34x 34x 34x 34x | import { Types, DisplaySetService, utils } from '@ohif/core';
import { id } from '../id';
type InstanceMetadata = Types.InstanceMetadata;
const SOPClassHandlerName = 'chart';
const CHART_MODALITY = 'CHT';
// Private SOPClassUid for chart data
const ChartDataSOPClassUid = '1.9.451.13215.7.3.2.7.6.1';
const sopClassUids = [ChartDataSOPClassUid];
const makeChartDataDisplaySet = (instance, sopClassUids) => {
const {
StudyInstanceUID,
SeriesInstanceUID,
SOPInstanceUID,
SeriesDescription,
SeriesNumber,
SeriesDate,
SOPClassUID,
} = instance;
return {
Modality: CHART_MODALITY,
loading: false,
isReconstructable: false,
displaySetInstanceUID: utils.guid(),
SeriesDescription,
SeriesNumber,
SeriesDate,
SOPInstanceUID,
SeriesInstanceUID,
StudyInstanceUID,
SOPClassHandlerId: `${id}.sopClassHandlerModule.${SOPClassHandlerName}`,
SOPClassUID,
isDerivedDisplaySet: true,
isLoaded: true,
sopClassUids,
instance,
instances: [instance],
/**
* Adds instances to the chart displaySet, rather than creating a new one
* when user moves to a different workflow step and gets back to a step that
* recreates the chart
*/
addInstances: function (instances: InstanceMetadata[], _displaySetService: DisplaySetService) {
this.instances.push(...instances);
this.instance = this.instances[this.instances.length - 1];
return this;
},
};
};
function getSopClassUids(instances) {
const uniqueSopClassUidsInSeries = new Set();
instances.forEach(instance => {
uniqueSopClassUidsInSeries.add(instance.SOPClassUID);
});
const sopClassUids = Array.from(uniqueSopClassUidsInSeries);
return sopClassUids;
}
function _getDisplaySetsFromSeries(instances) {
// If the series has no instances, stop here
Iif (!instances || !instances.length) {
throw new Error('No instances were provided');
}
const sopClassUids = getSopClassUids(instances);
const displaySets = instances.map(instance => {
Iif (instance.Modality === CHART_MODALITY) {
return makeChartDataDisplaySet(instance, sopClassUids);
}
throw new Error('Unsupported modality');
});
return displaySets;
}
const chartHandler = {
name: SOPClassHandlerName,
sopClassUids,
getDisplaySetsFromSeries: instances => {
return _getDisplaySetsFromSeries(instances);
},
};
export { chartHandler };
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