import toNumber from '@ohif/core/src/utils/toNumber'; import { _isSameOrientation } from '@ohif/core/src/utils/isDisplaySetReconstructable'; /** * Check is the series has frames with different orientations * @param {*} instances * @returns */ export default function areAllImageOrientationsEqual(instances: Array): boolean { if (!instances?.length) { return false; } const firstImage = instances[0]; const firstImageOrientationPatient = toNumber(firstImage.ImageOrientationPatient); for (let i = 1; i < instances.length; i++) { const instance = instances[i]; const imageOrientationPatient = toNumber(instance.ImageOrientationPatient); if (!_isSameOrientation(imageOrientationPatient, firstImageOrientationPatient)) { return false; } } return true; }