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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 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 | 128x 238x 193x 45x 45x 45x 45x 45x 45x 16x 16x 16x 16x 29x 29x 45x 16x 16x 16x 29x 29x 29x 29x 29x 29x 45x 45x 29x 45x 45x 45x 45x 45x 45x 45x 45x 384x | import type { ImagePlaneModuleMetadata } from '../../types';
import { MetadataModules } from '../../enums';
import { toFiniteNumber } from '../toNumber';
import { getNaturalizedNumber } from '../getNaturalizedField';
import calibratedPixelSpacingMetadataProvider from '../calibratedPixelSpacingMetadataProvider';
import getPixelSpacingInformation from '../getPixelSpacingInformation';
import { addTypedProvider } from '../../metaData';
export const getImagePlaneCalibrated = (
next,
imageId: string,
instance,
options
): ImagePlaneModuleMetadata => {
if (!instance) {
return next(imageId, instance, options);
}
const { ImageOrientationPatient, ImagePositionPatient } = instance;
const { PixelSpacing, type } = getPixelSpacingInformation(instance);
let rowPixelSpacing;
let columnPixelSpacing;
let rowCosines: number[];
let columnCosines: number[];
let usingDefaultValues = false;
let isDefaultValueSetForRowCosine = false;
let isDefaultValueSetForColumnCosine = false;
let imageOrientationPatient: number[];
if (PixelSpacing) {
[rowPixelSpacing, columnPixelSpacing] = PixelSpacing;
const calibratedPixelSpacing = calibratedPixelSpacingMetadataProvider.get(
'calibratedPixelSpacing',
imageId
);
Eif (!calibratedPixelSpacing) {
calibratedPixelSpacingMetadataProvider.add(imageId, {
rowPixelSpacing: parseFloat(PixelSpacing[0]),
columnPixelSpacing: parseFloat(PixelSpacing[1]),
type,
});
}
} else {
rowPixelSpacing = columnPixelSpacing = 1;
usingDefaultValues = true;
}
if (ImageOrientationPatient) {
imageOrientationPatient = toFiniteNumber(
ImageOrientationPatient as ArrayLike<string | String | number | Number>
) || [1, 0, 0, 0, 1, 0];
rowCosines = imageOrientationPatient.slice(0, 3);
columnCosines = imageOrientationPatient.slice(3, 6);
} else {
rowCosines = [1, 0, 0];
columnCosines = [0, 1, 0];
imageOrientationPatient = [1, 0, 0, 0, 1, 0];
usingDefaultValues = true;
isDefaultValueSetForRowCosine = true;
isDefaultValueSetForColumnCosine = true;
}
const imagePositionPatient = toFiniteNumber(
ImagePositionPatient as ArrayLike<string | String | number | Number>
) || [0, 0, 0];
if (!ImagePositionPatient) {
usingDefaultValues = true;
}
const rowPixelSpacingNumber = toFiniteNumber(rowPixelSpacing) ?? null;
const columnPixelSpacingNumber = toFiniteNumber(columnPixelSpacing) ?? null;
const pixelSpacing =
rowPixelSpacingNumber !== null && columnPixelSpacingNumber !== null
? [rowPixelSpacingNumber, columnPixelSpacingNumber]
: Array.isArray(PixelSpacing)
? PixelSpacing.map((value) => Number(value)).filter(Number.isFinite)
: [];
const result = {
frameOfReferenceUID: instance.FrameOfReferenceUID,
rows: getNaturalizedNumber(instance, 'Rows', 0),
columns: getNaturalizedNumber(instance, 'Columns', 0),
imageOrientationPatient,
rowCosines,
columnCosines,
imagePositionPatient,
sliceLocation: getNaturalizedNumber(instance, 'SliceLocation', 0),
pixelSpacing,
rowPixelSpacing: rowPixelSpacingNumber,
sliceThickness: getNaturalizedNumber(instance, 'SliceThickness'),
spacingBetweenSlices: getNaturalizedNumber(
instance,
'SpacingBetweenSlices'
),
columnPixelSpacing: columnPixelSpacingNumber,
};
Object.defineProperty(result, 'usingDefaultValues', {
value: usingDefaultValues,
});
Object.defineProperty(result, 'isDefaultValueSetForRowCosine', {
value: isDefaultValueSetForRowCosine,
});
Object.defineProperty(result, 'isDefaultValueSetForColumnCosine', {
value: isDefaultValueSetForColumnCosine,
});
return result;
};
export function registerImagePlaneCalibrated() {
addTypedProvider(MetadataModules.IMAGE_PLANE, getImagePlaneCalibrated);
}
export default getImagePlaneCalibrated;
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