Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 | 428x 428x 428x 428x | import type { Types } from '@cornerstonejs/core';
import {
cache,
eventTarget,
getWebWorkerManager,
triggerEvent,
Enums,
} from '@cornerstonejs/core';
import * as cornerstoneTools from '@cornerstonejs/tools';
import type { Types as ToolsTypes } from '@cornerstonejs/tools';
const { WorkerTypes } = cornerstoneTools.Enums;
const { computeVolumeLabelmapFromStack } =
cornerstoneTools.utilities.segmentation;
const workerManager = getWebWorkerManager();
const triggerWorkerProgress = (eventTarget, progress, id) => {
triggerEvent(eventTarget, Enums.Events.WEB_WORKER_PROGRESS, {
progress,
type: WorkerTypes.POLYSEG_LABELMAP_TO_SURFACE,
id,
});
};
/**
* Converts a labelmap representation to a surface representation.
*
* @param labelmapRepresentationData - The labelmap segmentation data.
* @param segmentIndex - The index of the segment to convert.
* @param isVolume - Optional flag indicating whether the labelmap is a volume or a stack. Default is true.
* @returns A promise that resolves to the surface data.
*/
export async function convertLabelmapToSurface(
labelmapRepresentationData: ToolsTypes.LabelmapSegmentationData,
segmentIndex: number
): Promise<Types.SurfaceData> {
let volumeId;
if (
(labelmapRepresentationData as ToolsTypes.LabelmapSegmentationDataVolume)
.volumeId
) {
volumeId = (
labelmapRepresentationData as ToolsTypes.LabelmapSegmentationDataVolume
).volumeId;
} else {
const { imageIds } =
labelmapRepresentationData as ToolsTypes.LabelmapSegmentationDataStack;
({ volumeId } = await computeVolumeLabelmapFromStack({
imageIds,
}));
}
const volume = cache.getVolume(volumeId);
const scalarData = volume.voxelManager.getCompleteScalarDataArray();
const { dimensions, spacing, origin, direction } = volume;
triggerWorkerProgress(eventTarget, 0, segmentIndex);
const results = await workerManager.executeTask(
'polySeg',
'convertLabelmapToSurface',
{
scalarData,
dimensions,
spacing,
origin,
direction,
segmentIndex,
},
{
callbacks: [
(progress) => {
triggerWorkerProgress(eventTarget, progress, segmentIndex);
},
],
}
);
triggerWorkerProgress(eventTarget, 100, segmentIndex);
return results;
}
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