Function gmsh_sys::gmshModelOccGetCenterOfMass

pub unsafe extern "C" fn gmshModelOccGetCenterOfMass(
    dim: c_int, 
    tag: c_int, 
    x: *mut f64, 
    y: *mut f64, 
    z: *mut f64, 
    ierr: *mut c_int
)

Get the center of mass of the model entity of dimension dim and tag tag.