96 lines
3.4 KiB
JavaScript
96 lines
3.4 KiB
JavaScript
import { OHIF } from 'meteor/ohif:core';
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import { cornerstone } from 'meteor/ohif:cornerstone';
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function getInstanceMetadata (displaySets, sopInstanceUid) {
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let instance;
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// Use Array.some so that this loop stops when the internal loop
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// has found the correct instance
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displaySets.some(displaySet => {
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// Search the display set to find the instance metadata for
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return displaySet.images.find(instanceMetadata => {
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if (instanceMetadata._sopInstanceUID === sopInstanceUid) {
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instance = instanceMetadata;
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return true;
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}
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});
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});
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return instance;
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};
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export default function getLengthMeasurementData(lengthMeasurementContent, displaySets) {
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let lengthStates = [];
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lengthMeasurementContent.forEach(groupItemContent => {
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const lengthContent = groupItemContent.ContentSequence;
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const reference = lengthContent.ContentSequence.ReferencedSOPSequence;
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const lengthState = {};
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lengthState.measuredValue = groupItemContent.MeasuredValueSequence.NumericValue;
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lengthState.handles = {start: {}, end: {}};
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[lengthState.handles.start.x,
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lengthState.handles.start.y,
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lengthState.handles.end.x,
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lengthState.handles.end.y] = lengthContent.GraphicData;
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// TODO: Save textbox position in GraphicData?
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lengthState.handles.textBox = {
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hasMoved: false,
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movesIndependently: false,
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drawnIndependently: true,
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allowedOutsideImage: true,
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hasBoundingBox: true
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}
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lengthState.ReferencedInstanceUID = reference.ReferencedSOPInstanceUID;
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if (reference.ReferencedFrameNumber && reference.ReferencedFrameNumber !== 'NaN') {
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lengthState.ReferencedFrameNumber = reference.ReferencedFrameNumber;
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} else {
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lengthState.ReferencedFrameNumber = 0;
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}
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lengthStates.push(lengthState);
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});
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const lengthMeasurementData = [];
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let measurementNumber = 0;
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lengthStates.forEach(lengthState => {
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const sopInstanceUid = lengthState.ReferencedInstanceUID;
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const instanceMetadata = getInstanceMetadata(displaySets, sopInstanceUid);
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const imageId = OHIF.viewerbase.getImageId(instanceMetadata);
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if (!imageId) {
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return;
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}
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const studyInstanceUid = cornerstone.metaData.get('study', imageId).studyInstanceUid;
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const seriesInstanceUid = cornerstone.metaData.get('series', imageId).seriesInstanceUid;
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const patientId = instanceMetadata._study.patientId;
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const frameIndex = lengthState.ReferencedFrameNumber;
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const imagePath = [studyInstanceUid, seriesInstanceUid, sopInstanceUid, frameIndex].join('_');
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const measurement = {
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handles: lengthState.handles,
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length: lengthState.measuredValue,
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imageId,
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imagePath,
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sopInstanceUid,
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seriesInstanceUid,
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studyInstanceUid,
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patientId,
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frameIndex,
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measurementNumber: ++measurementNumber,
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userId: 'UserID',
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timepointId: OHIF.viewer.data.currentTimepointId,
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toolType: 'length',
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_id: imageId + measurementNumber,
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};
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lengthMeasurementData.push(measurement);
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});
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return lengthMeasurementData;
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};
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