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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 | 1x 1425x 75x 75x 75x 75x 75x 75x 75x 75x 75x 75x 75x 75x 75x 7x | import { vtkStreamingOpenGLTexture } from '../../RenderingEngine/vtkClasses';
import { IVolume, Metadata, Point3, IImageVolume, Mat3 } from '../../types';
/** The base class for volume data. It includes the volume metadata
* and the volume data along with the loading status.
*/
export class ImageVolume implements IImageVolume {
/** Read-only unique identifier for the volume */
readonly volumeId: string;
/** Dimensions of the volume */
dimensions: Point3;
/** volume direction in world space */
direction: Mat3;
/** volume metadata */
metadata: Metadata;
/** volume origin, Note this is an opinionated origin for the volume */
origin: Point3;
/** volume scalar data */
scalarData: Float32Array | Uint8Array;
/** Whether preScaling has been performed on the volume */
isPrescaled = false;
/** volume scaling parameters if it contains scaled data */
scaling?: {
PET?: {
// @TODO: Do these values exist?
SUVlbmFactor?: number;
SUVbsaFactor?: number;
// accessed in ProbeTool
suvbwToSuvlbm?: number;
suvbwToSuvbsa?: number;
};
};
/** volume size in bytes */
sizeInBytes?: number; // Seems weird to pass this in? Why not grab it from scalarData.byteLength
/** volume spacing in 3d world space */
spacing: Point3;
/** volume number of voxels */
numVoxels: number;
/** volume image data */
imageData?: any;
/** open gl texture for the volume */
vtkOpenGLTexture: any; // No good way of referencing vtk classes as they aren't classes.
/** load status object for the volume */
loadStatus?: Record<string, any>;
/** optional image ids for the volume if it is made of separated images */
imageIds?: Array<string>;
/** optional reference volume id if the volume is derived from another volume */
referencedVolumeId?: string;
/** whether the metadata for the pixel spacing is not undefined */
hasPixelSpacing: boolean;
constructor(props: IVolume) {
this.volumeId = props.volumeId;
this.metadata = props.metadata;
this.dimensions = props.dimensions;
this.spacing = props.spacing;
this.origin = props.origin;
this.direction = props.direction;
this.imageData = props.imageData;
this.scalarData = props.scalarData;
this.sizeInBytes = props.sizeInBytes;
this.vtkOpenGLTexture = vtkStreamingOpenGLTexture.newInstance();
this.numVoxels =
this.dimensions[0] * this.dimensions[1] * this.dimensions[2];
Iif (props.scaling) {
this.scaling = props.scaling;
}
if (props.referencedVolumeId) {
this.referencedVolumeId = props.referencedVolumeId;
}
}
cancelLoading: () => void;
}
export default ImageVolume;
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