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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 | 428x 48x 428x 16x 16x 16x 16x 16x 16x 16x 16x 16x 16x 752x 752x 16x 16x 16x 16x 16x 16x 428x 16x 428x 428x 428x 16x 16x 16x 16x 16x 16x 16x 16x 16x 16x | import {
cache,
utilities,
eventTarget,
Enums,
triggerEvent,
metaData,
} from '@cornerstonejs/core';
import { getActiveSegmentIndex } from '../../stateManagement/segmentation/getActiveSegmentIndex';
import { getSegmentation } from '../../stateManagement/segmentation/getSegmentation';
import { getStrategyData } from '../../tools/segmentation/strategies/utils/getStrategyData';
import ensureSegmentationVolume from '../../tools/segmentation/strategies/compositions/ensureSegmentationVolume';
import ensureImageVolume from '../../tools/segmentation/strategies/compositions/ensureImageVolume';
import type {
LabelmapSegmentationDataStack,
LabelmapSegmentationDataVolume,
} from '../../types/LabelmapTypes';
/**
* Trigger worker progress event
* @param workerType - The worker type
* @param progress - The progress value (0-100)
*/
export const triggerWorkerProgress = (workerType, progress) => {
triggerEvent(eventTarget, Enums.Events.WEB_WORKER_PROGRESS, {
progress,
type: workerType,
});
};
/**
* Get segmentation data for processing
* @param segmentationId - The segmentation ID
* @param segmentIndices - The segment indices to process
* @returns Object containing segmentation data and operation data
*/
export const getSegmentationDataForWorker = (
segmentationId,
segmentIndices
) => {
const segmentation = getSegmentation(segmentationId);
const { representationData } = segmentation;
const { Labelmap } = representationData;
Iif (!Labelmap) {
console.debug('No labelmap found for segmentation', segmentationId);
return null;
}
const segVolumeId = (Labelmap as LabelmapSegmentationDataVolume).volumeId;
const segImageIds = (Labelmap as LabelmapSegmentationDataStack).imageIds;
// Create a minimal operationData object
const operationData = {
segmentationId,
volumeId: segVolumeId,
imageIds: segImageIds,
};
let reconstructableVolume = false;
Eif (segImageIds) {
const refImageIds = segImageIds.map((imageId) => {
const image = cache.getImage(imageId);
return image.referencedImageId;
});
reconstructableVolume = utilities.isValidVolume(refImageIds);
}
let indices = segmentIndices;
Iif (!indices) {
indices = [getActiveSegmentIndex(segmentationId)];
} else Eif (!Array.isArray(indices)) {
// Include the preview index
indices = [indices, 255];
}
return {
operationData,
segVolumeId,
segImageIds,
reconstructableVolume,
indices,
};
};
/**
* Prepare strategy data for volume operations
* @param operationData - The operation data
* @returns The strategy data
*/
export const prepareVolumeStrategyDataForWorker = (operationData) => {
return getStrategyData({
operationData,
strategy: {
ensureSegmentationVolumeFor3DManipulation:
ensureSegmentationVolume.ensureSegmentationVolumeFor3DManipulation,
ensureImageVolumeFor3DManipulation:
ensureImageVolume.ensureImageVolumeFor3DManipulation,
},
});
};
/**
* Prepare image info for worker tasks
* @param imageVoxelManager - The image voxel manager
* @param imageData - The image data
* @returns The image info
*/
export const prepareImageInfo = (imageVoxelManager, imageData) => {
const imageScalarData = imageVoxelManager.getCompleteScalarDataArray();
return {
scalarData: imageScalarData,
dimensions: imageData.getDimensions(),
spacing: imageData.getSpacing(),
origin: imageData.getOrigin(),
direction: imageData.getDirection(),
};
};
/**
* Prepare stack data for worker tasks
* @param segImageIds - The segmentation image IDs
* @returns The segmentation and image info arrays
*/
export const prepareStackDataForWorker = (segImageIds) => {
const segmentationInfo = [];
const imageInfo = [];
for (const segImageId of segImageIds) {
const segImage = cache.getImage(segImageId);
const segPixelData = segImage.getPixelData();
const { origin, direction, spacing, dimensions } =
utilities.getImageDataMetadata(segImage);
segmentationInfo.push({
scalarData: segPixelData,
dimensions,
spacing,
origin,
direction,
});
// Add image info if referenced image exists
const refImageId = segImage.referencedImageId;
if (refImageId) {
const refImage = cache.getImage(refImageId);
if (!refImage) {
continue;
}
const refPixelData = refImage.getPixelData();
const refVoxelManager = refImage.voxelManager;
const refSpacing = [
refImage.rowPixelSpacing,
refImage.columnPixelSpacing,
];
imageInfo.push({
scalarData: refPixelData,
dimensions: refVoxelManager
? refVoxelManager.dimensions
: [refImage.columns, refImage.rows, 1],
spacing: refSpacing,
});
}
}
return { segmentationInfo, imageInfo };
};
/**
* Gets the reference image ID and modality unit options based on segmentation data
* @param segVolumeId - The segmentation volume ID
* @param segImageIds - The segmentation image IDs
* @returns Object containing reference image ID and modality unit options
*/
export const getImageReferenceInfo = (segVolumeId, segImageIds) => {
let refImageId;
if (segVolumeId) {
const segmentationVolume = cache.getVolume(segVolumeId);
const imageIds = segmentationVolume.imageIds;
const cachedImage = cache.getImage(imageIds[0]);
Eif (cachedImage) {
refImageId = cachedImage.referencedImageId;
}
} else Eif (segImageIds?.length) {
const segImage = cache.getImage(segImageIds[0]);
refImageId = segImage.referencedImageId;
}
const refImage = cache.getImage(refImageId);
const scalingModule = metaData.get('scalingModule', refImageId);
const modalityUnitOptions = {
isPreScaled: Boolean(refImage?.preScale?.scaled),
isSuvScaled: typeof scalingModule?.suvbw === 'number',
};
return { refImageId, modalityUnitOptions };
};
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