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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 | import { errorHandler, DicomMetadataStore } from '@ohif/core';
import { StaticWadoClient } from '@ohif/extension-default';
/**
* create a DICOMwebClient object to be used by Dicom Microscopy Viewer
*
* Referenced the code from `/extensions/default/src/DicomWebDataSource/index.js`
*
* @param param0
* @returns
*/
export default function getDicomWebClient({ extensionManager, servicesManager }: withAppTypes) {
const dataSourceConfig = window.config.dataSources.find(
ds => ds.sourceName === extensionManager.activeDataSource
);
const { userAuthenticationService } = servicesManager.services;
const { wadoRoot, staticWado, singlepart } = dataSourceConfig.configuration;
const wadoConfig = {
url: wadoRoot || '/dicomlocal',
staticWado,
singlepart,
headers: userAuthenticationService.getAuthorizationHeader(),
errorInterceptor: errorHandler.getHTTPErrorHandler(),
};
const client = new StaticWadoClient(wadoConfig);
client.wadoURL = wadoConfig.url;
if (extensionManager.activeDataSource === 'dicomlocal') {
/**
* For local data source, override the retrieveInstanceFrames() method of the
* dicomweb-client to retrieve image data from memory cached metadata.
* Other methods of the client doesn't matter, as we are feeding the DMV
* with the series metadata already.
*
* @param {Object} options
* @param {String} options.studyInstanceUID - Study Instance UID
* @param {String} options.seriesInstanceUID - Series Instance UID
* @param {String} options.sopInstanceUID - SOP Instance UID
* @param {String} options.frameNumbers - One-based indices of Frame Items
* @param {Object} [options.queryParams] - HTTP query parameters
* @returns {ArrayBuffer[]} Rendered Frame Items as byte arrays
*/
//
client.retrieveInstanceFrames = async options => {
if (!('studyInstanceUID' in options)) {
throw new Error('Study Instance UID is required for retrieval of instance frames');
}
if (!('seriesInstanceUID' in options)) {
throw new Error('Series Instance UID is required for retrieval of instance frames');
}
if (!('sopInstanceUID' in options)) {
throw new Error('SOP Instance UID is required for retrieval of instance frames');
}
if (!('frameNumbers' in options)) {
throw new Error('frame numbers are required for retrieval of instance frames');
}
console.log(
`retrieve frames ${options.frameNumbers.toString()} of instance ${options.sopInstanceUID}`
);
const instance = DicomMetadataStore.getInstance(
options.studyInstanceUID,
options.seriesInstanceUID,
options.sopInstanceUID
);
const frameNumbers = Array.isArray(options.frameNumbers)
? options.frameNumbers
: options.frameNumbers.split(',');
return frameNumbers.map(fr =>
Array.isArray(instance.PixelData) ? instance.PixelData[+fr - 1] : instance.PixelData
);
};
}
return client;
}
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