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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | 140x 140x 140x 140x 140x 140x 140x 140x 1476x 1476x 1476x 1476x 1476x 1476x 1476x 1476x 1476x 140x | import * as metaData from '../metaData';
import isEqual from './isEqual';
/**
* Checks if the given imageIds form a valid volume. A volume is considered valid if all imageIds
* have the same series instance UID, modality, columns, rows, image orientation patient, and pixel
* spacing.
*
* @param imageIds - The imageIds to check.
* @returns true if the imageIds form a valid volume, false otherwise.
*/
function isValidVolume(imageIds: string[]): boolean {
Iif (imageIds.length <= 1) {
return false;
}
const imageId0 = imageIds[0];
const { modality, seriesInstanceUID } = metaData.get(
'generalSeriesModule',
imageId0
);
const {
imageOrientationPatient,
pixelSpacing,
frameOfReferenceUID,
columns,
rows,
usingDefaultValues,
} = metaData.get('imagePlaneModule', imageId0);
Iif (usingDefaultValues) {
return false;
}
const baseMetadata = {
modality,
imageOrientationPatient,
pixelSpacing,
frameOfReferenceUID,
columns,
rows,
seriesInstanceUID,
};
let validVolume = true;
for (let i = 0; i < imageIds.length; i++) {
const imageId = imageIds[i];
const { modality, seriesInstanceUID } = metaData.get(
'generalSeriesModule',
imageId
);
const { imageOrientationPatient, pixelSpacing, columns, rows } =
metaData.get('imagePlaneModule', imageId);
Iif (seriesInstanceUID !== baseMetadata.seriesInstanceUID) {
validVolume = false;
break;
}
Iif (modality !== baseMetadata.modality) {
validVolume = false;
break;
}
Iif (columns !== baseMetadata.columns) {
validVolume = false;
break;
}
Iif (rows !== baseMetadata.rows) {
validVolume = false;
break;
}
Iif (
!isEqual(imageOrientationPatient, baseMetadata.imageOrientationPatient)
) {
validVolume = false;
break;
}
Iif (!isEqual(pixelSpacing, baseMetadata.pixelSpacing)) {
validVolume = false;
break;
}
}
return validVolume;
}
export { isValidVolume };
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