double tempx = 0;
    private double CADRG_x_pix_constant(double adrgscale, int zone) {        // E-W pixel constant        double tempx = 0;        double x_pix = (double) adrgscale * CADRG_ARC_A[zone - 1] / 512.0;        // Increase, if necessary, to the next highest integer value        x_pix = Math.ceil(x_pix);        x_pix = x_pix * 1.33333;//(512*100)/(150*256);        // Round the final result.        x_pix = Math.round(x_pix);        return x_pix * 256.0;    }