Nevron表面图表数据源

private void FillData(NGridSurfaceSeries surface)
        {
            double y, x, z;
            int nCountX = surface.Data.GridSizeX;
            int nCountZ = surface.Data.GridSizeZ;

            const double dIntervalX = 30.0;
            const double dIntervalZ = 30.0;
            double dIncrementX = (dIntervalX / nCountX);
            double dIncrementZ = (dIntervalZ / nCountZ);

            z = -(dIntervalZ / 2);

            for(int j = 0; j < nCountZ; j++, z += dIncrementZ)
            {
                x = -(dIntervalX / 2);

                for(int i = 0; i < nCountX; i++, x += dIncrementX)
                {
                    y = (x * z / 64.0) - Math.Sin(z / 2.4) * Math.Cos(x / 2.4);
                    y = 10 * Math.Sqrt( Math.Abs(y) );

                    if(y <= 0)
                    {
                        y = 1 + Math.Cos(x / 2.4);
                    }

                    surface.Data.SetValue(i, j, y);
                }
            }
        }