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August 22, 2018 09:40
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const dicomParser = require('dicom-parser'); | |
function parseAndInsertFile(content, url) { | |
return new Promise(function(resolve, reject) { | |
const dataSet = dicomParser.parseDicom(content); | |
const fileJSON = {}; | |
fileJSON['transactionId'] = 'img'; | |
fileJSON['fileDate'] = dataSet.string('x00080012'); | |
fileJSON['fileTime'] = dataSet.string('x00080013'); | |
fileJSON['studies'] = []; | |
const study = {}; | |
study['studyInstanceUid'] = dataSet.string('x0020000d'); | |
study['studyDescription'] = dataSet.string('x00081030'); | |
study['studyDate'] = dataSet.string('x00080020'); | |
study['studyTime'] = dataSet.string('x00080030'); | |
study['patientName'] = dataSet.string('x00100010'); | |
study['patientAge'] = dataSet.string('x00101010'); | |
study['patientAllergies'] = dataSet.string('x00102110') | |
study['patientBirthDate'] = dataSet.string('x00100030'); | |
study['patientId'] = dataSet.string('x00100020'); | |
study['patientSex'] = dataSet.string('x00100040'); | |
study['seriesList'] = []; | |
const series = {}; | |
series['seriesDescription'] = dataSet.string('x0008103e'); | |
series['seriesInstanceUid'] = dataSet.string('x0020000e'); | |
series['seriesBodyPart'] = dataSet.string('x00180015'); | |
series['seriesNumber'] = dataSet.string('x00200011'); | |
series['seriesDate'] = dataSet.string('x00080021'); | |
series['seriesTime'] = dataSet.string('x00080031'); | |
series['seriesModality'] = dataSet.string('x00080060'); | |
series['instances'] = []; | |
const instance = {}; | |
instance['columns'] = dataSet.uint16('x00280011'); | |
instance['rows'] = dataSet.uint16('x00280010'); | |
instance['instanceNumber'] = (dataSet.string('x00200013')); | |
instance['acquisitionNumber'] = dataSet.string('x00200012'); | |
instance['photometricInterpretation'] = dataSet.string('x00280004'); | |
instance['bitAllocated'] = dataSet.uint16('x00280100'); | |
instance['bitsStored'] = dataSet.uint16('x00280101'); | |
instance['pixelRepresentation'] = dataSet.uint16('x00280103'); | |
instance['samplesPerPixel'] = dataSet.uint16('x00280002'); | |
instance['pixelSpacing'] = dataSet.string('x00280030'); | |
instance['highBit'] = dataSet.uint16('x00280102'); | |
instance['rescaleSlope'] = dataSet.string('x00281053'); | |
instance['rescaleIntercept'] = dataSet.string('x00281052'); | |
instance['imageOrientationPatient'] = dataSet.string('x00200037'); | |
instance['imagePositionPatient'] = dataSet.string('x00200032'); | |
instance['imageType'] = dataSet.string('x00080008'); | |
instance['sopInstanceUid'] = dataSet.string('x00080018'); | |
instance['numberOfFrames'] = dataSet.uint16('x00280008'); | |
instance['url'] = `${url}${instance['sopInstanceUid']}.dcm`; | |
// /studies/${studyInstanceUid}/series/${seriesInstanceUid}/instances/${sopInstanceUid}/frames/${frameIndex}` | |
series['instances'].push(instance); | |
study['seriesList'].push(series); | |
resolve(study); | |
}); | |
}; | |
function addStudyIntoFile(inputStudy, finalJSON) { | |
const inputSeries = inputStudy.seriesList[0]; | |
const inputInstance = inputSeries.instances[0]; | |
const studyIndex = finalJSON.studies.findIndex((study, i) => { | |
return study.studyInstanceUid === inputStudy.studyInstanceUid; | |
}) | |
if (studyIndex >= 0) { | |
//estudo já existe | |
const seriesIndex = finalJSON.studies[studyIndex].seriesList.findIndex((series, i) => { | |
return series.seriesInstanceUid === inputSeries.seriesInstanceUid; | |
}); | |
if (seriesIndex >= 0) { | |
finalJSON.studies[studyIndex].seriesList[seriesIndex].instances.push(inputInstance); | |
} else { | |
finalJSON.studies[studyIndex].seriesList.push(inputSeries); | |
} | |
} else { | |
finalJSON.studies.push(inputStudy); | |
} | |
} | |
const fs = require('fs'); | |
const path = require('path'); | |
const testFolder = '.'; | |
const finalJSON = { | |
studies: [] | |
}; | |
const dirname = path.basename(process.cwd()); | |
const url = `dicomweb://s3.amazonaws.com/lury/${dirname}/` | |
const filename = `study.json`; | |
const promises = []; | |
fs.readdir(testFolder, (err, files) => { | |
files.forEach(file => { | |
if (file === '.DS_Store' || file === 'study.json') { | |
return; | |
} | |
const promise = new Promise((resolve, reject) => { | |
fs.readFile(file, (err, data) => { | |
if (err) { | |
reject(err); | |
} | |
parseAndInsertFile(data, url).then(study => { | |
addStudyIntoFile(study, finalJSON); | |
resolve(); | |
}, reject); | |
}); | |
}); | |
promises.push(promise); | |
}); | |
Promise.all(promises).then(() => { | |
const json = JSON.stringify(finalJSON, null, 2); | |
fs.writeFile(filename, json, 'utf8', () => { | |
console.log('DONE!'); | |
}); | |
}); | |
}); |
I figure it out:
node command.js
Sorry !!
Paolo
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Hi,
Sorry for the noob question ,
But How can I launch this command in a linux environment ?
Can you show me some instructions?
Thank you
Paolo