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Added support for multi instance images for the extra modalities in dcmjs Normalizer overrider #23

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Added support for multi instance images for the extra modalities in dcmjs Normalizer overrider #23

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28 changes: 18 additions & 10 deletions extensions/ohif-gradienthealth-extension/src/utils/overrideNormalizer.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -4,17 +4,24 @@ import { metaData } from '@cornerstonejs/core';
const { Normalizer, ImageNormalizer } = normalizers;

export default function overrideNormalizer() {
class SingleSliceImageNormalizer extends ImageNormalizer {
class CustomImageNormalizer extends ImageNormalizer {
normalize() {
this.dataset = getHandledSingleImageDataset(this.datasets[0], metaData);
super.normalizeMultiframe();
if (this.datasets.length === 1) {
this.dataset = getHandledSingleImageDataset(this.datasets[0], metaData);
super.normalizeMultiframe();
} else {
this.datasets = this.datasets.map((dataset) =>
getHandledSingleImageDataset(dataset, metaData)
);
super.normalize();
}
}
}

const XAImageNormalizer = SingleSliceImageNormalizer;
const MGImageNormalizer = SingleSliceImageNormalizer;
const USImageNormalizer = SingleSliceImageNormalizer;
const CRImageNormalizer = SingleSliceImageNormalizer;
const XAImageNormalizer = CustomImageNormalizer;
const MGImageNormalizer = CustomImageNormalizer;
const USImageNormalizer = CustomImageNormalizer;
const CRImageNormalizer = CustomImageNormalizer;

class SecondaryCapturedImageNormalizer extends ImageNormalizer {
normalize() {
Expand Down Expand Up @@ -50,7 +57,7 @@ export default function overrideNormalizer() {
}
}

const SingleImageSOPClassUIDMap: Record<string, any> = {
const CustomSOPClassUIDMap: Record<string, any> = {
'1.2.840.10008.5.1.4.1.1.1.2': MGImageNormalizer,
'1.2.840.10008.5.1.4.1.1.1.2.1': MGImageNormalizer,
'1.2.840.10008.5.1.4.1.1.13.1.3': MGImageNormalizer,
Expand All @@ -66,8 +73,8 @@ export default function overrideNormalizer() {

if (normalizerClass) {
return normalizerClass;
} else if (SingleImageSOPClassUIDMap[sopClassUID]) {
return SingleImageSOPClassUIDMap[sopClassUID];
} else if (CustomSOPClassUIDMap[sopClassUID]) {
return CustomSOPClassUIDMap[sopClassUID];
}
};
}
Expand All @@ -92,6 +99,7 @@ function getHandledSingleImageDataset(dataset, metaData) {
...columnCosines,
],
},
FrameContentSequence: {},
};

return {
Expand Down