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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 | 428x 1353x 1353x 1353x 1353x 1353x 1353x 1353x 2231x 2231x 1353x 1353x 2231x 2231x 1437x 2231x 794x | import {
VolumeViewport,
getEnabledElementByViewportId,
StackViewport,
} from '@cornerstonejs/core';
import type { SegmentationDataModifiedEventType } from '../../../types/EventTypes';
import { SegmentationRepresentations } from '../../../enums';
import { performVolumeLabelmapUpdate } from './performVolumeLabelmapUpdate';
import { performStackLabelmapUpdate } from './performStackLabelmapUpdate';
import { getSegmentation } from '../../../stateManagement/segmentation/getSegmentation';
import { getViewportIdsWithSegmentation } from '../../../stateManagement/segmentation/getViewportIdsWithSegmentation';
/** A callback function that is called when the segmentation data is modified which
* often is as a result of tool interactions e.g., scissors, eraser, etc.
*/
const onLabelmapSegmentationDataModified = function (
evt: SegmentationDataModifiedEventType
): void {
const { segmentationId, modifiedSlicesToUse } = evt.detail;
const { representationData } = getSegmentation(segmentationId);
const viewportIds = getViewportIdsWithSegmentation(segmentationId);
const hasVolumeViewport = viewportIds.some((viewportId) => {
const { viewport } = getEnabledElementByViewportId(viewportId);
return viewport instanceof VolumeViewport;
});
const hasStackViewport = viewportIds.some((viewportId) => {
const { viewport } = getEnabledElementByViewportId(viewportId);
return viewport instanceof StackViewport;
});
const hasBothStackAndVolume = hasVolumeViewport && hasStackViewport;
viewportIds.forEach((viewportId) => {
const { viewport } = getEnabledElementByViewportId(viewportId);
if (viewport instanceof VolumeViewport) {
// For combined stack and volume scenarios in the rendering engine, updating only affected
// slices is not ideal. Stack indices (e.g., 0 for just one image) don't
// correspond to image indices in the volume. In this case, we update all slices.
// However, for volume-only scenarios, we update only affected slices.
performVolumeLabelmapUpdate({
modifiedSlicesToUse: hasBothStackAndVolume ? [] : modifiedSlicesToUse,
representationData,
type: SegmentationRepresentations.Labelmap,
});
}
if (viewport instanceof StackViewport) {
performStackLabelmapUpdate({
viewportIds,
segmentationId,
});
}
});
};
export default onLabelmapSegmentationDataModified;
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