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fix(dicomImageLoader): use calibrated pixel spacing (if available) when loading DICOM images via WADO-RS #2403

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fix(dicomImageLoader): use calibrated pixel spacing (if available) when loading DICOM images via WADO-RS #2403

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bbc163c
Setting the calibrated pixel spacing (if available) for images loaded…
vitblock Oct 15, 2025
630b1f5
Removed unused import.
vitblock Oct 17, 2025
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20 changes: 19 additions & 1 deletion packages/dicomImageLoader/src/imageLoader/wadors/metaData/metaDataProvider.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@ import {
instanceModuleNames,
} from '../../getInstanceModule';
import { getUSEnhancedRegions } from './USHelpers';
const { calibratedPixelSpacingMetadataProvider } = utilities;

function metaDataProvider(type, imageId) {
const { MetadataModules } = Enums;
Expand Down Expand Up @@ -146,7 +147,24 @@ function metaDataProvider(type, imageId) {
//metaData = fixNMMetadata(metaData);
let imageOrientationPatient = extractOrientationFromMetadata(metaData);
let imagePositionPatient = extractPositionFromMetadata(metaData);
const pixelSpacing = getNumberValues(metaData['00280030'], 2);

// Read the pixel spacing from the calibratedPixelSpacingMetadataProvider if it
// has been set while processing the WADORS metadata call. This ensures that
// the calibrated spacing for DX images is used (as calculated with the function
// getPixelSpacingInformation from the core utilities).
let pixelSpacing = null;
const calibrationData = calibratedPixelSpacingMetadataProvider.get(
'calibratedPixelSpacing',
imageId
);
if (calibrationData) {
pixelSpacing = [
calibrationData.rowPixelSpacing,
calibrationData.columnPixelSpacing,
];
} else {
pixelSpacing = getNumberValues(metaData['00280030'], 2);
}

let columnPixelSpacing = null;
let rowPixelSpacing = null;
Expand Down
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