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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 | 2x 23x 23x 1x 5x 1x 23x 6x 6x 6x 23x | import { Types } from '@cornerstonejs/core';
import BaseStreamingImageVolume from './BaseStreamingImageVolume';
/**
* Streaming Image Volume Class that extends ImageVolume base class.
* It implements load method to load the imageIds and insert them into the volume.
*/
export default class StreamingImageVolume extends BaseStreamingImageVolume {
constructor(
imageVolumeProperties: Types.IVolume,
streamingProperties: Types.IStreamingVolumeProperties
) {
super(imageVolumeProperties, streamingProperties);
}
/**
* Return the scalar data (buffer)
* @returns volume scalar data
*/
public getScalarData(): Types.VolumeScalarData {
return <Types.VolumeScalarData>this.scalarData;
}
/**
* It returns the imageLoad requests for the streaming image volume instance.
* It involves getting all the imageIds of the volume and creating a success callback
* which would update the texture (when the image has loaded) and the failure callback.
* Note that this method does not executes the requests but only returns the requests.
* It can be used for sorting requests outside of the volume loader itself
* e.g. loading a single slice of CT, followed by a single slice of PET (interleaved), before
* moving to the next slice.
*
* @returns Array of requests including imageId of the request, its imageIdIndex,
* options (targetBuffer and scaling parameters), and additionalDetails (volumeId)
*/
public getImageLoadRequests = (priority: number) => {
const { imageIds } = this;
const scalarData = <Types.VolumeScalarData>this.scalarData;
return this.getImageIdsRequests(imageIds, scalarData, priority);
};
}
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