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something WIP

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This commit is contained in:
James A. Petts 2020-05-13 16:37:27 +01:00
parent 4b9a1ee9d1
commit b8a4ac231d
10 changed files with 42 additions and 496 deletions
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483
extensions/default/src/DicomWebDataSource/wado/studyInstanceHelpers.js
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@ -1,483 +0,0 @@
import { api } from 'dicomweb-client';
import DICOMWeb from '../../../DICOMWeb';
const WADOProxy = {
convertURL: (url, server) => {
// TODO: Remove all WADOProxy stuff from this file
return url;
},
};
function parseFloatArray(obj) {
const result = [];
if (!obj) {
return result;
}
const objs = obj.split('\\');
for (let i = 0; i < objs.length; i++) {
result.push(parseFloat(objs[i]));
}
return result;
}
/**
* Simple cache schema for retrieved color palettes.
*/
const paletteColorCache = {
count: 0,
maxAge: 24 * 60 * 60 * 1000, // 24h cache?
entries: {},
isValidUID: function(paletteUID) {
return typeof paletteUID === 'string' && paletteUID.length > 0;
},
get: function(paletteUID) {
let entry = null;
if (this.entries.hasOwnProperty(paletteUID)) {
entry = this.entries[paletteUID];
// check how the entry is...
if (Date.now() - entry.time > this.maxAge) {
// entry is too old... remove entry.
delete this.entries[paletteUID];
this.count--;
entry = null;
}
}
return entry;
},
add: function(entry) {
if (this.isValidUID(entry.uid)) {
let paletteUID = entry.uid;
if (this.entries.hasOwnProperty(paletteUID) !== true) {
this.count++; // increment cache entry count...
}
entry.time = Date.now();
this.entries[paletteUID] = entry;
// @TODO: Add logic to get rid of old entries and reduce memory usage...
}
},
};
/**
* Create a plain JS object that describes a study (a study descriptor object)
* @param {Object} server Object with server configuration parameters
* @param {Object} aSopInstance a SOP Instance from which study information will be added
*/
function createStudy(server, aSopInstance) {
// TODO: Pass a reference ID to the server instead of including the URLs here
return {
seriesList: [],
seriesMap: Object.create(null),
seriesLoader: null,
wadoUriRoot: server.wadoUriRoot,
wadoRoot: server.wadoRoot,
qidoRoot: server.qidoRoot,
patientName: DICOMWeb.getName(aSopInstance['00100010']),
patientId: DICOMWeb.getString(aSopInstance['00100020']),
patientAge: DICOMWeb.getNumber(aSopInstance['00101010']),
patientSize: DICOMWeb.getNumber(aSopInstance['00101020']),
patientWeight: DICOMWeb.getNumber(aSopInstance['00101030']),
accessionNumber: DICOMWeb.getString(aSopInstance['00080050']),
studyDate: DICOMWeb.getString(aSopInstance['00080020']),
modalities: DICOMWeb.getString(aSopInstance['00080061']),
studyDescription: DICOMWeb.getString(aSopInstance['00081030']),
imageCount: DICOMWeb.getString(aSopInstance['00201208']),
studyInstanceUid: DICOMWeb.getString(aSopInstance['0020000D']),
institutionName: DICOMWeb.getString(aSopInstance['00080080']),
};
}
/** Returns a WADO url for an instance
*
* @param studyInstanceUid
* @param seriesInstanceUid
* @param sopInstanceUid
* @returns {string}
*/
function buildInstanceWadoUrl(
server,
studyInstanceUid,
seriesInstanceUid,
sopInstanceUid
) {
// TODO: This can be removed, since DICOMWebClient has the same function. Not urgent, though
const params = [];
params.push('requestType=WADO');
params.push(`studyUID=${studyInstanceUid}`);
params.push(`seriesUID=${seriesInstanceUid}`);
params.push(`objectUID=${sopInstanceUid}`);
params.push('contentType=application/dicom');
params.push('transferSyntax=*');
const paramString = params.join('&');
return `${server.wadoUriRoot}?${paramString}`;
}
function buildInstanceWadoRsUri(
server,
studyInstanceUid,
seriesInstanceUid,
sopInstanceUid
) {
return `${server.wadoRoot}/studies/${studyInstanceUid}/series/${seriesInstanceUid}/instances/${sopInstanceUid}`;
}
function buildInstanceFrameWadoRsUri(
server,
studyInstanceUid,
seriesInstanceUid,
sopInstanceUid,
frame
) {
const baseWadoRsUri = buildInstanceWadoRsUri(
server,
studyInstanceUid,
seriesInstanceUid,
sopInstanceUid
);
frame = frame != null || 1;
return `${baseWadoRsUri}/frames/${frame}`;
}
function getFrameIncrementPointer(element) {
const frameIncrementPointerNames = {
'00181065': 'frameTimeVector',
'00181063': 'frameTime',
};
if (!element || !element.Value || !element.Value.length) {
return;
}
const value = element.Value[0];
return frameIncrementPointerNames[value];
}
function getRadiopharmaceuticalInfo(instance) {
const modality = DICOMWeb.getString(instance['00080060']);
if (modality !== 'PT') {
return;
}
const radiopharmaceuticalInfo = instance['00540016'];
if (
radiopharmaceuticalInfo === undefined ||
!radiopharmaceuticalInfo.Value ||
!radiopharmaceuticalInfo.Value.length
) {
return;
}
const firstPetRadiopharmaceuticalInfo = radiopharmaceuticalInfo.Value[0];
return {
radiopharmaceuticalStartTime: DICOMWeb.getString(
firstPetRadiopharmaceuticalInfo['00181072']
),
radionuclideTotalDose: DICOMWeb.getNumber(
firstPetRadiopharmaceuticalInfo['00181074']
),
radionuclideHalfLife: DICOMWeb.getNumber(
firstPetRadiopharmaceuticalInfo['00181075']
),
};
}
/**
* Parses the SourceImageSequence, if it exists, in order
* to return a ReferenceSOPInstanceUID. The ReferenceSOPInstanceUID
* is used to refer to this image in any accompanying DICOM-SR documents.
*
* @param instance
* @returns {String} The ReferenceSOPInstanceUID
*/
function getSourceImageInstanceUid(instance) {
// TODO= Parse the whole Source Image Sequence
// This is a really poor workaround for now.
// Later we should probably parse the whole sequence.
var SourceImageSequence = instance['00082112'];
if (
SourceImageSequence &&
SourceImageSequence.Value &&
SourceImageSequence.Value.length &&
SourceImageSequence.Value[0]['00081155'].Value
) {
return SourceImageSequence.Value[0]['00081155'].Value[0];
}
}
async function makeSOPInstance(server, study, instance) {
const { studyInstanceUid } = study;
const seriesInstanceUid = DICOMWeb.getString(instance['0020000E']);
let series = study.seriesMap[seriesInstanceUid];
if (!series) {
series = {
seriesInstanceUid,
seriesDescription: DICOMWeb.getString(instance['0008103E']),
modality: DICOMWeb.getString(instance['00080060']),
seriesNumber: DICOMWeb.getNumber(instance['00200011']),
seriesDate: DICOMWeb.getString(instance['00080021']),
seriesTime: DICOMWeb.getString(instance['00080031']),
instances: [],
};
study.seriesMap[seriesInstanceUid] = series;
study.seriesList.push(series);
}
const sopInstanceUid = DICOMWeb.getString(instance['00080018']);
const wadouri = buildInstanceWadoUrl(
server,
studyInstanceUid,
seriesInstanceUid,
sopInstanceUid
);
const baseWadoRsUri = buildInstanceWadoRsUri(
server,
studyInstanceUid,
seriesInstanceUid,
sopInstanceUid
);
const wadorsuri = buildInstanceFrameWadoRsUri(
server,
studyInstanceUid,
seriesInstanceUid,
sopInstanceUid
);
const sopInstance = {
imageType: DICOMWeb.getString(instance['00080008']),
sopClassUid: DICOMWeb.getString(instance['00080016']),
modality: DICOMWeb.getString(instance['00080060']),
sopInstanceUid,
instanceNumber: DICOMWeb.getNumber(instance['00200013']),
imagePositionPatient: DICOMWeb.getString(instance['00200032']),
imageOrientationPatient: DICOMWeb.getString(instance['00200037']),
frameOfReferenceUID: DICOMWeb.getString(instance['00200052']),
sliceLocation: DICOMWeb.getNumber(instance['00201041']),
samplesPerPixel: DICOMWeb.getNumber(instance['00280002']),
photometricInterpretation: DICOMWeb.getString(instance['00280004']),
planarConfiguration: DICOMWeb.getNumber(instance['00280006']),
rows: DICOMWeb.getNumber(instance['00280010']),
columns: DICOMWeb.getNumber(instance['00280011']),
pixelSpacing: DICOMWeb.getString(instance['00280030']),
pixelAspectRatio: DICOMWeb.getString(instance['00280034']),
bitsAllocated: DICOMWeb.getNumber(instance['00280100']),
bitsStored: DICOMWeb.getNumber(instance['00280101']),
highBit: DICOMWeb.getNumber(instance['00280102']),
pixelRepresentation: DICOMWeb.getNumber(instance['00280103']),
smallestPixelValue: DICOMWeb.getNumber(instance['00280106']),
largestPixelValue: DICOMWeb.getNumber(instance['00280107']),
windowCenter: DICOMWeb.getString(instance['00281050']),
windowWidth: DICOMWeb.getString(instance['00281051']),
rescaleIntercept: DICOMWeb.getNumber(instance['00281052']),
rescaleSlope: DICOMWeb.getNumber(instance['00281053']),
rescaleType: DICOMWeb.getNumber(instance['00281054']),
sourceImageInstanceUid: getSourceImageInstanceUid(instance),
laterality: DICOMWeb.getString(instance['00200062']),
viewPosition: DICOMWeb.getString(instance['00185101']),
acquisitionDateTime: DICOMWeb.getString(instance['0008002A']),
numberOfFrames: DICOMWeb.getNumber(instance['00280008']),
frameIncrementPointer: getFrameIncrementPointer(instance['00280009']),
frameTime: DICOMWeb.getNumber(instance['00181063']),
frameTimeVector: parseFloatArray(DICOMWeb.getString(instance['00181065'])),
sliceThickness: DICOMWeb.getNumber(instance['00180050']),
spacingBetweenSlices: DICOMWeb.getString(instance['00180088']),
lossyImageCompression: DICOMWeb.getString(instance['00282110']),
derivationDescription: DICOMWeb.getString(instance['00282111']),
lossyImageCompressionRatio: DICOMWeb.getString(instance['00282112']),
lossyImageCompressionMethod: DICOMWeb.getString(instance['00282114']),
echoNumber: DICOMWeb.getString(instance['00180086']),
contrastBolusAgent: DICOMWeb.getString(instance['00180010']),
radiopharmaceuticalInfo: getRadiopharmaceuticalInfo(instance),
baseWadoRsUri: baseWadoRsUri,
wadouri: WADOProxy.convertURL(wadouri, server),
wadorsuri: WADOProxy.convertURL(wadorsuri, server),
wadoRoot: server.wadoRoot,
imageRendering: server.imageRendering,
thumbnailRendering: server.thumbnailRendering,
};
// Get additional information if the instance uses "PALETTE COLOR" photometric interpretation
if (sopInstance.photometricInterpretation === 'PALETTE COLOR') {
const redPaletteColorLookupTableDescriptor = parseFloatArray(
DICOMWeb.getString(instance['00281101'])
);
const greenPaletteColorLookupTableDescriptor = parseFloatArray(
DICOMWeb.getString(instance['00281102'])
);
const bluePaletteColorLookupTableDescriptor = parseFloatArray(
DICOMWeb.getString(instance['00281103'])
);
const palettes = await getPaletteColors(
server,
instance,
redPaletteColorLookupTableDescriptor
);
if (palettes) {
if (palettes.uid) {
sopInstance.paletteColorLookupTableUID = palettes.uid;
}
sopInstance.redPaletteColorLookupTableData = palettes.red;
sopInstance.greenPaletteColorLookupTableData = palettes.green;
sopInstance.bluePaletteColorLookupTableData = palettes.blue;
sopInstance.redPaletteColorLookupTableDescriptor = redPaletteColorLookupTableDescriptor;
sopInstance.greenPaletteColorLookupTableDescriptor = greenPaletteColorLookupTableDescriptor;
sopInstance.bluePaletteColorLookupTableDescriptor = bluePaletteColorLookupTableDescriptor;
}
}
series.instances.push(sopInstance);
return sopInstance;
}
/**
* Convert String to ArrayBuffer
*
* @param {String} str Input String
* @return {ArrayBuffer} Output converted ArrayBuffer
*/
function str2ab(str) {
const strLen = str.length;
const bytes = new Uint8Array(strLen);
for (let i = 0; i < strLen; i++) {
bytes[i] = str.charCodeAt(i);
}
return bytes.buffer;
}
function getPaletteColor(server, instance, tag, lutDescriptor) {
const numLutEntries = lutDescriptor[0];
const bits = lutDescriptor[2];
const readUInt16 = (byteArray, position) => {
return byteArray[position] + byteArray[position + 1] * 256;
};
const arrayBufferToPaletteColorLUT = arraybuffer => {
const byteArray = new Uint8Array(arraybuffer);
const lut = [];
if (bits === 16) {
for (let i = 0; i < numLutEntries; i++) {
lut[i] = readUInt16(byteArray, i * 2);
}
} else {
for (let i = 0; i < numLutEntries; i++) {
lut[i] = byteArray[i];
}
}
return lut;
};
if (instance[tag].BulkDataURI) {
let uri = WADOProxy.convertURL(instance[tag].BulkDataURI, server);
// TODO: Workaround for dcm4chee behind SSL-terminating proxy returning
// incorrect bulk data URIs
if (server.wadoRoot.indexOf('https') === 0 && !uri.includes('https')) {
uri = uri.replace('http', 'https');
}
const config = {
url: server.wadoRoot, //BulkDataURI is absolute, so this isn't used
headers: DICOMWeb.getAuthorizationHeader(server),
};
const dicomWeb = new api.DICOMwebClient(config);
const options = {
BulkDataURI: uri,
};
return dicomWeb
.retrieveBulkData(options)
.then(result => result[0])
.then(arrayBufferToPaletteColorLUT);
} else if (instance[tag].InlineBinary) {
const inlineBinaryData = atob(instance[tag].InlineBinary);
const arraybuf = str2ab(inlineBinaryData);
return arrayBufferToPaletteColorLUT(arraybuf);
}
throw new Error(
'Palette Color LUT was not provided as InlineBinary or BulkDataURI'
);
}
/**
* Fetch palette colors for instances with "PALETTE COLOR" photometricInterpretation.
*
* @param server {Object} Current server;
* @param instance {Object} The retrieved instance metadata;
* @returns {String} The ReferenceSOPInstanceUID
*/
async function getPaletteColors(server, instance, lutDescriptor) {
let paletteUID = DICOMWeb.getString(instance['00281199']);
return new Promise((resolve, reject) => {
let entry;
if (paletteColorCache.isValidUID(paletteUID)) {
entry = paletteColorCache.get(paletteUID);
if (entry) {
return resolve(entry);
}
}
// no entry in cache... Fetch remote data.
const r = getPaletteColor(server, instance, '00281201', lutDescriptor);
const g = getPaletteColor(server, instance, '00281202', lutDescriptor);
const b = getPaletteColor(server, instance, '00281203', lutDescriptor);
const promises = [r, g, b];
Promise.all(promises).then(args => {
entry = {
red: args[0],
green: args[1],
blue: args[2],
};
// when paletteUID is present, the entry can be cached...
entry.uid = paletteUID;
paletteColorCache.add(entry);
resolve(entry);
});
});
}
/**
* Add a list of SOP Instances to a given study object descriptor
* @param {Object} server Object with server configuration parameters
* @param {Object} study The study descriptor to which the given SOP instances will be added
* @param {Array} sopInstanceList A list of SOP instance objects
*/
async function addInstancesToStudy(server, study, sopInstanceList) {
return Promise.all(
sopInstanceList.map(function(sopInstance) {
return makeSOPInstance(server, study, sopInstance);
})
);
}
const createStudyFromSOPInstanceList = async (server, sopInstanceList) => {
if (Array.isArray(sopInstanceList) && sopInstanceList.length > 0) {
const firstSopInstance = sopInstanceList[0];
const study = createStudy(server, firstSopInstance);
await addInstancesToStudy(server, study, sopInstanceList);
return study;
}
throw new Error('Failed to create study out of provided SOP instance list');
};
export { createStudyFromSOPInstanceList, addInstancesToStudy };

2
extensions/default/src/getContextModule.js
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@ -1,5 +1,5 @@
import React, { useState } from 'react';
import ViewModelContext from '@ohif/viewer/src/routes/ViewModelContext';
import { ViewModelContext } from '@ohif/core';
const HelloWorldContext = React.createContext({
message: 'HelloWorldContextTesting',

13
extensions/default/src/getLayoutTemplateModule.js
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@ -6,6 +6,19 @@ import {
AnotherHelloWorldContext,
} from './getContextModule';
// import {LayoutManager} from '@ohif/core';
/*
- Define layout for the viewer in mode configuration.
- Pass in the viewport types that can populate the viewer.
- Init layout based on the displaySets and the objects.
-
*/
export default function() {
return [
// Layout Template Definition

12
extensions/default/src/getPanelModule.js
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@ -4,7 +4,19 @@ import {
AnotherHelloWorldContext,
} from './getContextModule';
import { useViewModel, displaySetManager } from '@ohif/core';
function helloWorldComponent({}) {
const viewModel = useViewModel();
console.log(viewModel);
viewModel.displaySetInstanceUids.forEach(uid => {
console.log(displaySetManager.getDisplaySetByUID(uid));
});
debugger;
return (
<HelloWorldContext.Consumer>
{value => (

2
modes/example/src/index.js
View File

@ -57,7 +57,7 @@ export default function mode({ modeConfiguration }) {
// Primary
{
tools: ['Zoom', 'Levels', 'Pan', 'Capture', 'Layout'],
moreTools: ['Zoom', 'Levels', 'Pan', 'Capture', 'Layout'],
moreTools: ['Zoom'],
},
// Secondary
{

5
platform/core/src/ToolBarManager.js
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@ -15,8 +15,6 @@ export default class toolBarManager {
this.buttons[id] = buttonDefinition;
});
console.log(this.buttons);
}
setToolBarLayout(layouts) {
@ -44,9 +42,6 @@ export default class toolBarManager {
toolBarLayout.push(toolBarDefinitions);
});
console.log(`TOOLBAR LAYOUT`);
console.log(toolBarLayout);
this.viewModelContextSetToolBarLayout(toolBarLayout);
}
}

8
platform/viewer/src/routes/ViewModelContext.js → platform/core/src/ViewModelContext.js
View File

@ -1,4 +1,6 @@
import React, { Component } from 'react';
import React, { Component, useContext } from 'react';
/// TODO MAKE THIS PRETTY DANNY
const ViewModelContext = React.createContext({
displaySetInstanceUids: [],
@ -38,6 +40,8 @@ class ViewModelProvider extends Component {
}
}
const useViewModel = () => useContext(ViewModelContext);
export default ViewModelContext;
export { ViewModelProvider };
export { ViewModelProvider, useViewModel };

5
platform/core/src/index.js
View File

@ -21,6 +21,7 @@ import user from './user.js';
import dicomMetadataStore from './dicomMetadataStore';
import displaySetManager from './displaySetManager';
import ToolBarManager from './ToolBarManager';
import { ViewModelProvider, useViewModel } from './ViewModelContext';
import utils, { hotkeys } from './utils/';
import {
@ -70,6 +71,8 @@ const OHIF = {
dicomMetadataStore,
displaySetManager,
ToolBarManager,
ViewModelProvider,
useViewModel,
};
export {
@ -108,6 +111,8 @@ export {
dicomMetadataStore,
displaySetManager,
ToolBarManager,
ViewModelProvider,
useViewModel,
};
export { OHIF };

6
platform/viewer/src/routes/ModeRoute.js
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@ -1,6 +1,6 @@
import React, { useContext, useEffect, useCallback } from 'react';
import { displaySetManager, ToolBarManager } from '@ohif/core';
import ViewModelContext from './ViewModelContext';
import { useViewModel } from '@ohif/core';
import Compose from './Compose';
export default function ModeRoute({
@ -9,7 +9,7 @@ export default function ModeRoute({
dataSourceName,
extensionManager,
}) {
const { routes, sopClassHandlers, extensions, init } = mode;
const { routes, sopClassHandlers, extensions } = mode;
const dataSources = extensionManager.getDataSources(dataSourceName);
// Add toolbar state to the view model context?
@ -18,7 +18,7 @@ export default function ModeRoute({
setToolBarLayout,
displaySetInstanceUids,
setDisplaySetInstanceUids,
} = useContext(ViewModelContext);
} = useViewModel();
// TODO: For now assume one unique datasource.

2
platform/viewer/src/routes/buildModeRoutes.js
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@ -1,6 +1,6 @@
import React from 'react';
import ModeRoute from './ModeRoute';
import { ViewModelProvider } from './ViewModelContext';
import { ViewModelProvider } from '@ohif/core';
/*
Routes uniquely define an entry point to: