@cornerstonejs/core/dist/esm/utilities/transformCanvasToIJK.js

Cornerstone3D Core

import transformWorldToIndex from './transformWorldToIndex.js';
export function transformCanvasToIJK(viewport, canvasPoint) {
    const { imageData: vtkImageData } = viewport.getImageData();
    const worldPoint = viewport.canvasToWorld(canvasPoint);
    return transformWorldToIndex(vtkImageData, worldPoint);
}