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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 | 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x | import cloneDeep from 'lodash.clonedeep';
import {
getEnabledElementByIds,
volumeLoader,
VolumeViewport,
utilities as csUtils,
} from '@cornerstonejs/core';
import type { Types } from '@cornerstonejs/core';
/**
* Create a new 3D segmentation volume from the default imageData presented in
* the first actor of the viewport. It looks at the metadata of the imageData
* to determine the volume dimensions and spacing if particular options are not provided.
*
* @param viewportId - The Id of the viewport from which to derive the volume from.
* @param renderingEngineId - The Id of the rendering engine the viewport belongs to.
* @param [segmentationId] - The Id to name the generated segmentation. Autogenerated if not given.
* @param [options] - LabelmapOptions
* @returns A promise that resolves to the Id of the new labelmap volume.
*/
export default async function createLabelmapVolumeForViewport(input: {
viewportId: string;
renderingEngineId: string;
segmentationId?: string;
options?: {
volumeId: string;
scalarData: Float32Array | Uint8Array | Uint16Array | Int16Array;
targetBuffer: {
type: 'Float32Array' | 'Uint8Array' | 'Uint16Array' | 'Int8Array';
};
metadata: Types.Metadata;
dimensions: Types.Point3;
spacing: Types.Point3;
origin: Types.Point3;
direction: Types.Mat3;
};
}): Promise<string> {
const { viewportId, renderingEngineId, options } = input;
let { segmentationId } = input;
const enabledElement = getEnabledElementByIds(viewportId, renderingEngineId);
Iif (!enabledElement) {
throw new Error('element disabled');
}
const { viewport } = enabledElement;
Iif (!(viewport instanceof VolumeViewport)) {
throw new Error('Segmentation only supports VolumeViewport');
}
const { uid } = viewport.getDefaultActor();
Eif (segmentationId === undefined) {
// Name the segmentation volume with the viewport Id
segmentationId = `${uid}-based-segmentation-${
options?.volumeId ?? csUtils.uuidv4().slice(0, 8)
}`;
}
Iif (options) {
// create a new labelmap with its own properties
// This allows creation of a higher resolution labelmap vs reference volume
const properties = cloneDeep(options);
await volumeLoader.createLocalVolume(properties, segmentationId);
} else {
// create a labelmap from a reference volume
const { uid: volumeId } = viewport.getDefaultActor();
await volumeLoader.createAndCacheDerivedSegmentationVolume(volumeId, {
volumeId: segmentationId,
});
}
return segmentationId;
}
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