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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 | 66x 66x 66x 8x 8x 8x 58x 58x 58x 58x 58x 58x 58x | import {
cache,
volumeLoader,
utilities,
type Types,
} from '@cornerstonejs/core';
import { getSegmentation } from '../../stateManagement/segmentation/getSegmentation';
import type {
LabelmapSegmentationDataStack,
LabelmapSegmentationDataVolume,
} from '../../types/LabelmapTypes';
function getOrCreateSegmentationVolume(
segmentationId
): Types.IImageVolume | undefined {
const { representationData } = getSegmentation(segmentationId);
let { volumeId } =
representationData.Labelmap as LabelmapSegmentationDataVolume;
let segVolume;
if (volumeId) {
segVolume = cache.getVolume(volumeId);
Eif (segVolume) {
return segVolume;
}
}
const { imageIds: labelmapImageIds } =
representationData.Labelmap as LabelmapSegmentationDataStack;
volumeId = cache.generateVolumeId(labelmapImageIds);
// We don't need to call `getStackSegmentationImageIdsForViewport` here
// because we've already ensured the stack constructs a volume,
// making the scenario for multi-image non-consistent metadata is not likely.
Iif (!labelmapImageIds || labelmapImageIds.length === 1) {
return;
}
const isValidVolume = utilities.isValidVolume(labelmapImageIds);
Iif (!isValidVolume) {
return;
}
// it will return the cached volume if it already exists
segVolume = volumeLoader.createAndCacheVolumeFromImagesSync(
volumeId,
labelmapImageIds
);
return segVolume;
}
export default getOrCreateSegmentationVolume;
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