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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 | 2404x 2404x 2404x 34362x 34362x 34362x 34362x 34362x 2380x 2380x 2380x 2380x 2380x 2380x | import getTagValue from './getTagValue';
function getFrameInformation(
PerFrameFunctionalGroupsSequence,
SharedFunctionalGroupsSequence,
frameNumber
) {
const shared = (
SharedFunctionalGroupsSequence
? Object.values(SharedFunctionalGroupsSequence[0])
: []
)
.map((it: unknown) => it['Value']?.[0])
.filter((it) => it !== undefined && typeof it === 'object');
const perFrame = (
PerFrameFunctionalGroupsSequence
? Object.values(PerFrameFunctionalGroupsSequence[frameNumber - 1])
: []
)
.map((it: unknown) => it['Value']?.[0])
.filter((it) => it !== undefined && typeof it === 'object');
return {
shared,
perFrame,
};
}
function getMultiframeInformation(metaData) {
let {
52009230: PerFrameFunctionalGroupsSequence,
52009229: SharedFunctionalGroupsSequence,
'00280008': NumberOfFrames,
// eslint-disable-next-line prefer-const
...rest
} = metaData;
PerFrameFunctionalGroupsSequence = getTagValue(
PerFrameFunctionalGroupsSequence,
false
);
SharedFunctionalGroupsSequence = getTagValue(
SharedFunctionalGroupsSequence,
false
);
NumberOfFrames = getTagValue(NumberOfFrames);
return {
PerFrameFunctionalGroupsSequence,
SharedFunctionalGroupsSequence,
NumberOfFrames,
rest,
};
}
// function that retrieves specific frame metadata information from multiframe
// metadata
function combineFrameInstance(frameNumber, instance) {
const {
PerFrameFunctionalGroupsSequence,
SharedFunctionalGroupsSequence,
NumberOfFrames,
rest,
} = getMultiframeInformation(instance);
Eif (PerFrameFunctionalGroupsSequence || NumberOfFrames > 1) {
const { shared, perFrame } = getFrameInformation(
PerFrameFunctionalGroupsSequence,
SharedFunctionalGroupsSequence,
frameNumber
);
const newInstance = Object.assign(instance, { frameNumber });
// merge the shared first then the per frame to override
[...shared, ...perFrame].forEach((item) => {
Object.entries(item).forEach(([key, value]) => {
newInstance[key] = value;
});
});
return Object.assign(rest, { '00280008': NumberOfFrames }, newInstance);
}
return instance;
}
export { combineFrameInstance, getMultiframeInformation, getFrameInformation };
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