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fix(metadata): change the default values for cosines (#4863)

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Alireza 2025-03-17 11:44:05 -04:00 committed by GitHub
parent ec71721d49
commit b7fbf04230
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1 changed files with 31 additions and 11 deletions
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42
platform/core/src/classes/MetadataProvider.ts
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@ -512,7 +512,7 @@ export default metadataProvider;
const WADO_IMAGE_LOADER = {
imagePlaneModule: instance => {
const { ImageOrientationPatient } = instance;
const { ImageOrientationPatient, ImagePositionPatient } = instance;
// Fallback for DX images.
// TODO: We should use the rest of the results of this function
@ -525,14 +525,33 @@ const WADO_IMAGE_LOADER = {
let rowCosines;
let columnCosines;
let usingDefaultValues = false;
let isDefaultValueSetForRowCosine = false;
let isDefaultValueSetForColumnCosine = false;
let imageOrientationPatient;
if (PixelSpacing) {
rowPixelSpacing = PixelSpacing[0];
columnPixelSpacing = PixelSpacing[1];
[rowPixelSpacing, columnPixelSpacing] = PixelSpacing;
} else {
rowPixelSpacing = columnPixelSpacing = 1;
usingDefaultValues = true;
}
if (ImageOrientationPatient) {
rowCosines = ImageOrientationPatient.slice(0, 3);
columnCosines = ImageOrientationPatient.slice(3, 6);
imageOrientationPatient = ImageOrientationPatient;
} else {
rowCosines = [1, 0, 0];
columnCosines = [0, 1, 0];
imageOrientationPatient = [1, 0, 0, 0, 1, 0];
usingDefaultValues = true;
isDefaultValueSetForRowCosine = true;
isDefaultValueSetForColumnCosine = true;
}
const imagePositionPatient = ImagePositionPatient || [0, 0, 0];
if (!ImagePositionPatient) {
usingDefaultValues = true;
}
return {
@ -540,17 +559,18 @@ const WADO_IMAGE_LOADER = {
rows: toNumber(instance.Rows),
columns: toNumber(instance.Columns),
spacingBetweenSlices: toNumber(instance.SpacingBetweenSlices),
imageOrientationPatient: toNumber(ImageOrientationPatient) || [0, 1, 0, 0, 0, -1],
rowCosines: toNumber(rowCosines || [0, 1, 0]),
isDefaultValueSetForRowCosine: toNumber(rowCosines) ? false : true,
columnCosines: toNumber(columnCosines || [0, 0, -1]),
isDefaultValueSetForColumnCosine: toNumber(columnCosines) ? false : true,
imagePositionPatient: toNumber(instance.ImagePositionPatient || [0, 0, 0]),
imageOrientationPatient,
rowCosines,
isDefaultValueSetForRowCosine,
columnCosines,
isDefaultValueSetForColumnCosine,
imagePositionPatient,
sliceThickness: toNumber(instance.SliceThickness),
sliceLocation: toNumber(instance.SliceLocation),
pixelSpacing: toNumber(PixelSpacing || 1),
rowPixelSpacing: rowPixelSpacing ? toNumber(rowPixelSpacing) : null,
columnPixelSpacing: columnPixelSpacing ? toNumber(columnPixelSpacing) : null,
rowPixelSpacing,
columnPixelSpacing,
usingDefaultValues,
};
},
};