NPlot.PlotSurface2D.RefreshZOrdering C# (CSharp) Method

        private void RefreshZOrdering()
        {
            uniqueCounter_ = 0;
            m_ordering = new SortedList<double, int>();
            for (int i = 0; i < m_zPositions.Count; ++i)
            {
                double zpos = m_zPositions[i];
                double fraction = (double)(++uniqueCounter_) / 10000000.0f;
                double d = zpos + fraction;
                m_ordering.Add(d, i);
            }
        }