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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 | 1437x 1437x 1437x 1437x 1059x 378x 378x 1437x 92574x 1437x | import { cache } from '@cornerstonejs/core';
import type { SegmentationRepresentations } from '../../../enums';
import type { LabelmapSegmentationDataVolume } from '../../../types/LabelmapTypes';
/**
* Updates the labelmap volume in GPU for volume viewports
*/
export function performVolumeLabelmapUpdate({
modifiedSlicesToUse,
representationData,
type,
}: {
modifiedSlicesToUse: number[];
representationData: Record<string, unknown>;
type: SegmentationRepresentations;
}): void {
const segmentationVolume = cache.getVolume(
(representationData[type] as LabelmapSegmentationDataVolume).volumeId
);
Iif (!segmentationVolume) {
console.warn('segmentation not found in cache');
return;
}
const { imageData, vtkOpenGLTexture } = segmentationVolume;
// Update the texture for the volume in the GPU
let slicesToUpdate;
if (modifiedSlicesToUse?.length > 0) {
slicesToUpdate = modifiedSlicesToUse;
} else {
const numSlices = imageData.getDimensions()[2];
slicesToUpdate = [...Array(numSlices).keys()];
}
slicesToUpdate.forEach((i) => {
vtkOpenGLTexture.setUpdatedFrame(i);
});
// Trigger modified on the imageData to update the image
// this is the start of the rendering pipeline for updating the texture
// to the gpu
imageData.modified();
}
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