class LatLonToIsinGridMapper {

    static int computeB_v( double lat) {
        int B_v = 0;
        int v = (int) Math.ceil( R_g * -lat + v_0 );
        for( int i = 1; i <= v-1; i++){
//            double latv = (i - v_0 ) / R_g;
            double latv = 90 - ((i-1) * 180.0 /2004.0);
            B_v += computeN_v( latv );
        }
        return B_v;
    }

    private  LatLonToIsinGridMapper();

}