237 lines
7.6 KiB
Plaintext
237 lines
7.6 KiB
Plaintext
import { metaData } from '@cornerstonejs/core'
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// import { InstanceMetadata } from '@cornerstonejs/calculate-suv'
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import cornerstoneDICOMImageLoader from '@cornerstonejs/dicom-image-loader'
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function parseImageId(imageId) {
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// build a url by parsing out the url scheme and frame index from the imageId
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const firstColonIndex = imageId.indexOf(':')
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let url = imageId.substring(firstColonIndex + 1)
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const frameIndex = url.indexOf('frame=')
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let frame
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if (frameIndex !== -1) {
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const frameStr = url.substr(frameIndex + 6)
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frame = parseInt(frameStr, 10)
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url = url.substr(0, frameIndex - 1)
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}
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return {
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scheme: imageId.substr(0, firstColonIndex),
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url,
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frame
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}
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}
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function getMetaData(type, imageId) {
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// const { dicomParser } = cornerstoneDICOMImageLoader.external
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const parsedImageId = parseImageId(imageId)
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const url = parsedImageId.url
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const dataSet = cornerstoneDICOMImageLoader.wadouri.dataSetCacheManager.get(url)
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if (!dataSet) {
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return
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}
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if (type === 'petImageModule') {
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// 1340137.4196974 240000
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// console.log(dataSet.string('x00541300'), dataSet.string('x00181242'))
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return {
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frameReferenceTime: dataSet.string('x00541300') || '',
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actualFrameDuration: dataSet.string('x00181242')
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}
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}
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}
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export default function getPTImageIdInstanceMetadata(imageId) {
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const petSequenceModule = metaData.get('petIsotopeModule', imageId)
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const generalSeriesModule = metaData.get('generalSeriesModule', imageId)
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const patientStudyModule = metaData.get('patientStudyModule', imageId)
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const ptSeriesModule = metaData.get('petSeriesModule', imageId)
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// const ptImageModule = metaData.get('petImageModule', imageId)
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const ptImageModule = getMetaData('petImageModule', imageId)
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if (!petSequenceModule) {
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throw new Error('petSequenceModule metadata is required')
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}
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const radiopharmaceuticalInfo = petSequenceModule.radiopharmaceuticalInfo
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const { seriesDate, seriesTime, acquisitionDate, acquisitionTime } =
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generalSeriesModule
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var { patientWeight } = patientStudyModule
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// console.log('更改前：', patientWeight)
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// patientWeight = patientWeight * 10
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// console.log('更改后：', patientWeight)
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const { correctedImage, units, decayCorrection } = ptSeriesModule
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if (
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seriesDate === undefined ||
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seriesTime === undefined ||
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patientWeight === undefined ||
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acquisitionDate === undefined ||
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acquisitionTime === undefined ||
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correctedImage === undefined ||
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units === undefined ||
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decayCorrection === undefined ||
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radiopharmaceuticalInfo.radionuclideTotalDose === undefined ||
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radiopharmaceuticalInfo.radionuclideHalfLife === undefined ||
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(radiopharmaceuticalInfo.radiopharmaceuticalStartDateTime === undefined &&
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seriesDate === undefined &&
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radiopharmaceuticalInfo.radiopharmaceuticalStartTime === undefined)
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//
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) {
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throw new Error('required metadata are missing')
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}
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const instanceMetadata = {
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CorrectedImage: correctedImage,
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Units: units,
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RadionuclideHalfLife: radiopharmaceuticalInfo.radionuclideHalfLife,
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RadionuclideTotalDose: radiopharmaceuticalInfo.radionuclideTotalDose,
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DecayCorrection: decayCorrection,
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PatientWeight: patientWeight,
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SeriesDate: seriesDate,
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SeriesTime: seriesTime,
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AcquisitionDate: acquisitionDate,
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AcquisitionTime: acquisitionTime
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}
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if (
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radiopharmaceuticalInfo.radiopharmaceuticalStartDateTime &&
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radiopharmaceuticalInfo.radiopharmaceuticalStartDateTime !== undefined &&
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typeof radiopharmaceuticalInfo.radiopharmaceuticalStartDateTime === 'string'
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) {
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instanceMetadata.RadiopharmaceuticalStartDateTime =
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radiopharmaceuticalInfo.radiopharmaceuticalStartDateTime
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}
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if (
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radiopharmaceuticalInfo.radiopharmaceuticalStartDateTime &&
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radiopharmaceuticalInfo.radiopharmaceuticalStartDateTime !== undefined &&
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typeof radiopharmaceuticalInfo.radiopharmaceuticalStartDateTime !== 'string'
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) {
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const dateString = convertInterfaceDateToString(
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radiopharmaceuticalInfo.radiopharmaceuticalStartDateTime
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)
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instanceMetadata.RadiopharmaceuticalStartDateTime = dateString
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}
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if (
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instanceMetadata.AcquisitionDate &&
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instanceMetadata.AcquisitionDate !== undefined &&
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typeof instanceMetadata.AcquisitionDate !== 'string'
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) {
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const dateString = convertInterfaceDateToString(
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instanceMetadata.AcquisitionDate
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)
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instanceMetadata.AcquisitionDate = dateString
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}
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if (
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instanceMetadata.SeriesDate &&
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instanceMetadata.SeriesDate !== undefined &&
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typeof instanceMetadata.SeriesDate !== 'string'
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) {
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const dateString = convertInterfaceDateToString(
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instanceMetadata.SeriesDate
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)
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instanceMetadata.SeriesDate = dateString
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}
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if (
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radiopharmaceuticalInfo.radiopharmaceuticalStartTime &&
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radiopharmaceuticalInfo.radiopharmaceuticalStartTime !== undefined &&
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typeof radiopharmaceuticalInfo.radiopharmaceuticalStartTime === 'string'
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) {
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instanceMetadata.RadiopharmaceuticalStartTime =
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radiopharmaceuticalInfo.radiopharmaceuticalStartTime
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}
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if (
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radiopharmaceuticalInfo.radiopharmaceuticalStartTime &&
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radiopharmaceuticalInfo.radiopharmaceuticalStartTime !== undefined &&
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typeof radiopharmaceuticalInfo.radiopharmaceuticalStartTime !== 'string'
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) {
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const timeString = convertInterfaceTimeToString(
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radiopharmaceuticalInfo.radiopharmaceuticalStartTime
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)
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instanceMetadata.RadiopharmaceuticalStartTime = timeString
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}
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if (
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instanceMetadata.AcquisitionTime &&
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instanceMetadata.AcquisitionTime !== undefined &&
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typeof instanceMetadata.AcquisitionTime !== 'string'
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) {
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const timeString = convertInterfaceTimeToString(
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instanceMetadata.AcquisitionTime
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)
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instanceMetadata.AcquisitionTime = timeString
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}
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if (
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instanceMetadata.SeriesTime &&
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instanceMetadata.SeriesTime !== undefined &&
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typeof instanceMetadata.SeriesTime !== 'string'
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) {
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const timeString = convertInterfaceTimeToString(
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instanceMetadata.SeriesTime
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)
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instanceMetadata.SeriesTime = timeString
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}
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if (
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ptImageModule.frameReferenceTime &&
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ptImageModule.frameReferenceTime !== undefined
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) {
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instanceMetadata.FrameReferenceTime = ptImageModule.frameReferenceTime
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}
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if (
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ptImageModule.actualFrameDuration &&
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ptImageModule.actualFrameDuration !== undefined
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) {
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instanceMetadata.ActualFrameDuration = ptImageModule.actualFrameDuration
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}
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if (
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patientStudyModule.patientSex &&
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patientStudyModule.patientSex !== undefined
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) {
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instanceMetadata.PatientSex = patientStudyModule.patientSex
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}
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if (
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patientStudyModule.patientSize &&
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patientStudyModule.patientSize !== undefined
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) {
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instanceMetadata.PatientSize = patientStudyModule.patientSize
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}
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return instanceMetadata
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}
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function convertInterfaceTimeToString(time) {
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const hours = `${time.hours || '00'}`.padStart(2, '0')
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const minutes = `${time.minutes || '00'}`.padStart(2, '0')
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const seconds = `${time.seconds || '00'}`.padStart(2, '0')
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const fractionalSeconds = `${time.fractionalSeconds || '000000'}`.padEnd(
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6,
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'0'
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)
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const timeString = `${hours}${minutes}${seconds}.${fractionalSeconds}`
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return timeString
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}
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function convertInterfaceDateToString(date) {
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const month = `${date.month}`.padStart(2, '0')
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const day = `${date.day}`.padStart(2, '0')
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const dateString = `${date.year}${month}${day}`
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return dateString
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}
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export { getPTImageIdInstanceMetadata }
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