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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 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 | 384x 384x 384x 384x 384x 384x 170x 384x 384x 384x 384x 384x 384x 384x 384x 110x 384x 214x 384x 214x 214x 214x | import vtkVolume from '@kitware/vtk.js/Rendering/Core/Volume';
import type { VolumeActor } from './../../types/IActor';
import type { VoiModifiedEventDetail } from './../../types/EventTypes';
import { loadVolume } from '../../loaders/volumeLoader';
import createVolumeMapper from './createVolumeMapper';
import type BlendModes from '../../enums/BlendModes';
import triggerEvent from '../../utilities/triggerEvent';
import { Events } from '../../enums';
import setDefaultVolumeVOI from './setDefaultVolumeVOI';
import type { BlendMode } from '@kitware/vtk.js/Rendering/Core/VolumeMapper/Constants';
interface createVolumeActorInterface {
volumeId: string;
callback?: ({
volumeActor,
volumeId,
}: {
volumeActor: VolumeActor;
volumeId: string;
}) => void;
blendMode?: BlendModes;
}
/**
* Creates a volume actor based on the provided properties.
*
* @param props - The properties for creating the volume actor.
* @param element - The HTMLDivElement where the volume actor will be rendered.
* @param viewportId - The ID of the viewport where the volume actor will be displayed.
* @param suppressEvents - Optional. Specifies whether to suppress triggering events. Default is false.
* @param useNativeDataType - Optional. Specifies whether to use the native data type. Default is false.
* @returns A promise that resolves to the created volume actor.
* @throws An error if the imageVolume with the specified ID does not exist.
*/
async function createVolumeActor(
props: createVolumeActorInterface,
element: HTMLDivElement,
viewportId: string,
suppressEvents = false
): Promise<VolumeActor> {
const { volumeId, callback, blendMode } = props;
const imageVolume = await loadVolume(volumeId);
Iif (!imageVolume) {
throw new Error(
`imageVolume with id: ${imageVolume.volumeId} does not exist`
);
}
const { imageData, vtkOpenGLTexture } = imageVolume;
const volumeMapper = createVolumeMapper(imageData, vtkOpenGLTexture);
if (blendMode) {
volumeMapper.setBlendMode(blendMode as unknown as BlendMode);
}
const volumeActor = vtkVolume.newInstance();
volumeActor.setMapper(volumeMapper);
// Todo: fix this for 3D RGB
const { numberOfComponents } = imageData.get('numberOfComponents') as {
numberOfComponents: number;
};
const volumeProperty = volumeActor.getProperty();
volumeProperty.set({ viewportId: viewportId }, true);
Iif (numberOfComponents === 3) {
volumeActor.getProperty().setIndependentComponents(false);
}
await setDefaultVolumeVOI(volumeActor, imageVolume);
if (callback) {
callback({ volumeActor, volumeId });
}
if (!suppressEvents) {
triggerVOIModified(element, viewportId, volumeActor, volumeId);
}
return volumeActor;
}
function triggerVOIModified(
element: HTMLDivElement,
viewportId: string,
volumeActor: VolumeActor,
volumeId: string
) {
const voiRange = volumeActor
.getProperty()
.getRGBTransferFunction(0)
.getRange();
const voiModifiedEventDetail: VoiModifiedEventDetail = {
viewportId,
range: {
lower: voiRange[0],
upper: voiRange[1],
},
volumeId,
};
triggerEvent(element, Events.VOI_MODIFIED, voiModifiedEventDetail);
}
export default createVolumeActor;
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