WIP SR viewport.

2020-06-03 19:12:13 +02:00
1 parent 8674e676b7
commit 558ab00c23
@@ -0,0 +1,146 @@
+import id from './id';
+import { utils } from '@ohif/core';
+
+const sopClassHandlerName = 'dicom-sr';
+
+const sopClassUids = [
+  '1.2.840.10008.5.1.4.1.1.88.11', //BASIC_TEXT_SR:
+  '1.2.840.10008.5.1.4.1.1.88.22', //ENHANCED_SR:
+  '1.2.840.10008.5.1.4.1.1.88.33', //COMPREHENSIVE_SR:
+];
+
+const scoordTypes = ['POINT', 'MULTIPOINT', 'POLYLINE', 'CIRCLE', 'ELLIPSE'];
+
+const CodeNameCodeSequenceValues = {
+  ImagingMeasurementReport: '126000',
+  ImageLibrary: '111028',
+  ImagingMeasurements: '126010',
+  MeasurementGroup: '125007',
+  ImageLibraryGroup: '126200',
+};
+
+/**
+ * Basic SOPClassHandler:
+ * - For all Image types that are stackable, create
+ *   a displaySet with a stack of images
+ *
+ * @param {Array} sopClassHandlerModules List of SOP Class Modules
+ * @param {SeriesMetadata} series The series metadata object from which the display sets will be created
+ * @returns {Array} The list of display sets created for the given series object
+ */
+function getDisplaySetsFromSeries(instances) {
+  // If the series has no instances, stop here
+  if (!instances || !instances.length) {
+    throw new Error('No instances were provided');
+  }
+
+  const instance = instances[0];
+
+  const { StudyInstanceUID, SeriesInstanceUID, SOPInstanceUID } = instance;
+
+  const { ConceptNameCodeSequence, ContentSequence } = instance;
+
+  if (
+    ConceptNameCodeSequence.CodeValue !==
+    CodeNameCodeSequenceValues.ImagingMeasurementReport
+  ) {
+    console.warn(
+      'Only support Imaging Measurement Report SRs (TID1500) for now'
+    );
+    return [];
+  }
+
+  const referencedImages = _getReferencedImagesList(ContentSequence);
+
+  const measurements = _getMeasurements(ContentSequence, SOPInstanceUID);
+
+  const displaySet = {
+    plugin: id,
+    Modality: 'SR',
+    displaySetInstanceUID: utils.guid(),
+    SOPInstanceUID,
+    SeriesInstanceUID,
+    StudyInstanceUID,
+    SOPClassHandlerId: `${id}.sopClassHandlerModule.${sopClassHandlerName}`,
+    referencedImages,
+  };
+
+  return [displaySet];
+}
+
+function getSopClassHandlerModule() {
+  return [
+    {
+      name: sopClassHandlerName,
+      sopClassUids,
+      getDisplaySetsFromSeries,
+    },
+  ];
+}
+
+function _getMeasurements(
+  ImagingMeasurementReportContentSequence,
+  SOPInstanceUID
+) {
+  const ImagingMeasurements = ImagingMeasurementReportContentSequence.find(
+    item =>
+      item.ConceptNameCodeSequence.CodeValue ===
+      CodeNameCodeSequenceValues.ImagingMeasurements
+  );
+
+  if (SOPInstanceUID === '2.25.435452399240481307327287169369305113868') {
+    debugger;
+  }
+
+  const MeasurementGroup = _getSequenceAsArray(
+    ImagingMeasurements.ContentSequence
+  ).find(
+    item =>
+      item.ConceptNameCodeSequence.CodeValue ===
+      CodeNameCodeSequenceValues.MeasurementGroup
+  );
+
+  const Measurements = _getSequenceAsArray(
+    MeasurementGroup.ContentSequence
+  ).filter(group => group.ValueType === 'NUM');
+
+  debugger;
+
+  _getSequenceAsArray(MeasurementGroup.ContentSequence).forEach(item => {});
+}
+
+function _getReferencedImagesList(ImagingMeasurementReportContentSequence) {
+  const ImageLibrary = ImagingMeasurementReportContentSequence.find(
+    item =>
+      item.ConceptNameCodeSequence.CodeValue ===
+      CodeNameCodeSequenceValues.ImageLibrary
+  );
+
+  const ImageLibraryGroup = _getSequenceAsArray(
+    ImageLibrary.ContentSequence
+  ).find(
+    item =>
+      item.ConceptNameCodeSequence.CodeValue ===
+      CodeNameCodeSequenceValues.ImageLibraryGroup
+  );
+
+  const referencedImages = [];
+
+  _getSequenceAsArray(ImageLibraryGroup.ContentSequence).forEach(item => {
+    const { ReferencedSOPSequence } = item;
+    const {
+      ReferencedSOPClassUID,
+      ReferencedSOPInstanceUID,
+    } = ReferencedSOPSequence;
+
+    referencedImages.push({ ReferencedSOPClassUID, ReferencedSOPInstanceUID });
+  });
+
+  return referencedImages;
+}
+
+function _getSequenceAsArray(sequence) {
+  return Array.isArray(sequence) ? sequence : [sequence];
+}
+
+export default getSopClassHandlerModule;