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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 | 1x 9x 9x 9x 9x 9x 9x 9x 9x 9x 9x 9x 1x 8x 8x 9x 90x 9x | import {
cache,
getEnabledElementByIds,
utilities as csUtils,
VolumeViewport,
} from '@cornerstonejs/core';
import * as SegmentationState from '../../../stateManagement/segmentation/segmentationState';
import { SegmentationDataModifiedEventType } from '../../../types/EventTypes';
import {
LabelmapSegmentationDataStack,
LabelmapSegmentationDataVolume,
} from '../../../types/LabelmapTypes';
import { getToolGroup } from '../../../store/ToolGroupManager';
/** A callback function that is called when the segmentation data is modified which
* often is as a result of tool interactions e.g., scissors, eraser, etc.
*/
const onLabelmapSegmentationDataModified = function (
evt: SegmentationDataModifiedEventType
): void {
const { segmentationId, modifiedSlicesToUse } = evt.detail;
const { representationData, type } =
SegmentationState.getSegmentation(segmentationId);
const toolGroupIds =
SegmentationState.getToolGroupIdsWithSegmentation(segmentationId);
const labelmapRepresentationData = representationData[type];
Eif ('volumeId' in labelmapRepresentationData) {
// get the volume from cache, we need the openGLTexture to be updated to GPU
performVolumeLabelmapUpdate({
modifiedSlicesToUse,
representationData,
type,
});
}
Iif ('imageIdReferenceMap' in labelmapRepresentationData) {
// get the stack from cache, we need the imageData to be updated to GPU
performStackLabelmapUpdate({
toolGroupIds,
segmentationId,
representationData,
type,
});
}
};
function performVolumeLabelmapUpdate({
modifiedSlicesToUse,
representationData,
type,
}) {
const segmentationVolume = cache.getVolume(
(representationData[type] as LabelmapSegmentationDataVolume).volumeId
);
Iif (!segmentationVolume) {
console.warn('segmentation not found in cache');
return;
}
const { imageData, vtkOpenGLTexture } = segmentationVolume;
// Update the texture for the volume in the GPU
let slicesToUpdate;
if (modifiedSlicesToUse && Array.isArray(modifiedSlicesToUse)) {
slicesToUpdate = modifiedSlicesToUse;
} else {
const numSlices = imageData.getDimensions()[2];
slicesToUpdate = [...Array(numSlices).keys()];
}
slicesToUpdate.forEach((i) => {
vtkOpenGLTexture.setUpdatedFrame(i);
});
// Trigger modified on the imageData to update the image
imageData.modified();
}
function performStackLabelmapUpdate({
toolGroupIds,
segmentationId,
representationData,
type,
}) {
toolGroupIds.forEach((toolGroupId) => {
const toolGroupSegmentationRepresentations =
SegmentationState.getSegmentationRepresentations(toolGroupId);
const toolGroup = getToolGroup(toolGroupId);
const viewportsInfo = toolGroup.getViewportsInfo();
toolGroupSegmentationRepresentations.forEach((representation) => {
if (representation.segmentationId !== segmentationId) {
return;
}
viewportsInfo.forEach(({ viewportId, renderingEngineId }) => {
const viewport = getEnabledElementByIds(
viewportId,
renderingEngineId
).viewport;
if (viewport instanceof VolumeViewport) {
return;
}
const actorEntry = viewport.getActor(
representation.segmentationRepresentationUID
);
if (!actorEntry) {
return;
}
const currentImageId = viewport.getCurrentImageId();
const segImageData = actorEntry.actor.getMapper().getInputData();
const { imageIdReferenceMap } = representationData[
type
] as LabelmapSegmentationDataStack;
const currentSegmentationImageId =
imageIdReferenceMap.get(currentImageId);
const segmentationImage = cache.getImage(currentSegmentationImageId);
segImageData.modified();
// update the cache with the new image data
csUtils.updateVTKImageDataWithCornerstoneImage(
segImageData,
segmentationImage
);
});
});
});
}
export default onLabelmapSegmentationDataModified;
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