GfrBigMath.setScale(scale);
BigDecimal x = new BigDecimal((lmb.getX()));
BigDecimal y = new BigDecimal(lmb.getY());
prj.bdlCalculate();
GfrElpAbs elp = prj.getEllipsoid();
BigDecimal a = elp.getBdlRadius();
BigDecimal e = elp.getBdlExcentricity();
BigDecimal lambda0 = prj.getBdlLambda0();
BigDecimal x0 = prj.getBdlX0();
BigDecimal y0 = prj.getBdlY0();
BigDecimal n = prj.getBdlN();