Function spice_sys::gfrfov_c

pub unsafe extern "C" fn gfrfov_c(
    inst: *const c_char, 
    raydir: *const c_double, 
    rframe: *const c_char, 
    abcorr: *const c_char, 
    obsrvr: *const c_char, 
    step: c_double, 
    cnfine: *mut SpiceCellC, 
    result: *mut SpiceCellC
)

determines time intervals when a specified ray intersects the space bounded by the field-of-view (FOV) of a specified instrument.