paraview-glance/dist/itk/readImageLocalDICOMFileSeries.cjs

Web application for Visualizing Scientific and Medical datasets

"use strict";

const path = require('path');

const loadEmscriptenModule = require('./loadEmscriptenModuleNode.js');

const readImageEmscriptenFSDICOMFileSeries = require('./readImageEmscriptenFSDICOMFileSeries.js');
/**
 * Read an image from a series of DICOM files on the local filesystem in Node.js.
 *
 * @param: filenames Array of filepaths containing a DICOM study / series on the local filesystem.
 * @param: singleSortedSeries: it is known that the files are from a single
 * sorted series.
 */


const readImageLocalDICOMFileSeries = (fileNames, singleSortedSeries = false) => {
  return new Promise(function (resolve, reject) {
    const imageIOsPath = path.resolve(__dirname, 'ImageIOs');
    const seriesReader = 'itkDICOMImageSeriesReaderJSBinding';

    try {
      const seriesReaderPath = path.join(imageIOsPath, seriesReader);
      const seriesReaderModule = loadEmscriptenModule(seriesReaderPath);
      const mountedFilePath = seriesReaderModule.mountContainingDirectory(fileNames[0]);
      const mountedDir = path.dirname(mountedFilePath);
      const mountedFileNames = fileNames.map(fileName => {
        return path.join(mountedDir, path.basename(fileName));
      });
      const image = readImageEmscriptenFSDICOMFileSeries(seriesReaderModule, mountedFileNames, singleSortedSeries);
      seriesReaderModule.unmountContainingDirectory(mountedFilePath);
      resolve(image);
    } catch (err) {
      reject(err);
    }
  });
};

module.exports = readImageLocalDICOMFileSeries;