etspy.io.get_mrc_tilts(stack: Signal2D | TomoStack, filename: str | Path) → ndarray | None[source] Extract tilts from an MRC file. Parameters:¶ stack: Signal2D | TomoStack¶A HyperSpy or TomoStack signal filename: str | Path¶Name of MRC file from which to extract tilts Returns:¶ tilts – Tilt angles extracted from MRC file (or None if not present) Return type:¶ ndarray or None