private void GenerateData(DateTime dtStart, DateTime dtEnd, NDateTimeSpan span)
        {
            long count = span.GetSpanCountInRange(new NDateTimeRange(dtStart, dtEnd));

            WebExamplesUtilities.GenerateOHLCData(m_Stock, 100, (int)count);
            m_Stock.XValues.Clear();

            DateTime dtNow = dtStart;

            for (int i = 0; i < m_Stock.Values.Count; i++)
            {
                m_Stock.XValues.Add(dtNow.ToOADate());
                dtNow = span.Add(dtNow);
            }
        }
Exemplo n.º 2
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        void GenerateData()
        {
            // generate data for 30 weeks
            DateTime      dtNow   = DateTime.Now;
            DateTime      dtEnd   = new DateTime(dtNow.Year, dtNow.Month, dtNow.Day, 7, 0, 0, 0);
            DateTime      dtStart = NDateTimeUnit.Week.Add(dtEnd, -30);
            NDateTimeSpan span    = new NDateTimeSpan(1, NDateTimeUnit.Day);

            long count = span.GetSpanCountInRange(new NDateTimeRange(dtStart, dtEnd));

            double open, high, low, close;

            m_Stock.DataPoints.Clear();
            Random random = new Random();

            double prevClose = 100;

            for (int nIndex = 0; nIndex < count; nIndex++)
            {
                open = prevClose;

                if (prevClose < 25 || random.NextDouble() > 0.5)
                {
                    // upward price change
                    close = open + (2 + (random.NextDouble() * 20));
                    high  = close + (random.NextDouble() * 10);
                    low   = open - (random.NextDouble() * 10);
                }
                else
                {
                    // downward price change
                    close = open - (2 + (random.NextDouble() * 20));
                    high  = open + (random.NextDouble() * 10);
                    low   = close - (random.NextDouble() * 10);
                }

                if (low < 1)
                {
                    low = 1;
                }

                prevClose = close;

                m_Stock.DataPoints.Add(new NStockDataPoint(NDateTimeHelpers.ToOADate(dtNow), open, close, high, low));
                dtNow = span.Add(dtNow);
            }
        }
        private void GenerateData(DateTime dtStart, DateTime dtEnd, NDateTimeSpan span)
        {
            long count = span.GetSpanCountInRange(new NDateTimeRange(dtStart, dtEnd));

            WebExamplesUtilities.GenerateOHLCData(m_Stock, 100, (int)count);
            m_Stock.XValues.Clear();

            DateTime dtNow = dtStart;

            for (int i = 0; i < m_Stock.Values.Count; i++)
            {
                m_Stock.XValues.Add(dtNow.ToOADate());
                dtNow = span.Add(dtNow);
            }

            m_Chart.Axis(StandardAxis.PrimaryX).PagingView.Enabled = false;
        }
Exemplo n.º 4
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        private void GenerateData(DateTime dtStart, DateTime dtEnd, NDateTimeSpan span)
        {
            long count = span.GetSpanCountInRange(new NDateTimeRange(dtStart, dtEnd));

            double open, high, low, close;

            m_Stock.DataPoints.Clear();
            Random   random = new Random();
            DateTime dtNow  = dtStart;

            double prevClose = 100;

            for (int nIndex = 0; nIndex < count; nIndex++)
            {
                open = prevClose;

                if (prevClose < 25 || random.NextDouble() > 0.5)
                {
                    // upward price change
                    close = open + (2 + (random.NextDouble() * 20));
                    high  = close + (random.NextDouble() * 10);
                    low   = open - (random.NextDouble() * 10);
                }
                else
                {
                    // downward price change
                    close = open - (2 + (random.NextDouble() * 20));
                    high  = open + (random.NextDouble() * 10);
                    low   = close - (random.NextDouble() * 10);
                }

                if (low < 1)
                {
                    low = 1;
                }

                prevClose = close;

                m_Stock.DataPoints.Add(new NStockDataPoint(NDateTimeHelpers.ToOADate(dtNow), open, close, high, low));
                dtNow = span.Add(dtNow);
            }
        }
        protected void Page_Load(object sender, EventArgs e)
        {
            nChartControl1.BackgroundStyle.FrameStyle.Visible = false;
            nChartControl1.Panels.Clear();

            // set a chart title
            NLabel header = new NLabel("Range Timeline Scale");

            header.DockMode                   = PanelDockMode.Top;
            header.Margins                    = new NMarginsL(2, 2, 0, 5);
            header.TextStyle.FontStyle        = new NFontStyle("Times New Roman", 14, FontStyle.Italic);
            header.TextStyle.ShadowStyle.Type = ShadowType.LinearBlur;
            header.ContentAlignment           = ContentAlignment.BottomRight;
            header.FitAlignment               = ContentAlignment.MiddleLeft;
            header.Location                   = new NPointL(new NLength(2, NRelativeUnit.ParentPercentage), new NLength(2, NRelativeUnit.ParentPercentage));
            nChartControl1.Panels.Add(header);

            // setup chart
            m_Chart = new NCartesianChart();
            nChartControl1.Panels.Add(m_Chart);
            m_Chart.DockMode = PanelDockMode.Fill;
            m_Chart.Margins  = new NMarginsL(2, 0, 2, 2);
            m_Chart.Projection.SetPredefinedProjection(PredefinedProjection.Orthogonal);
            m_Chart.LightModel.EnableLighting         = false;
            m_Chart.Axis(StandardAxis.Depth).Visible  = false;
            m_Chart.Wall(ChartWallType.Floor).Visible = false;
            m_Chart.Wall(ChartWallType.Left).Visible  = false;
            m_Chart.BoundsMode = BoundsMode.Stretch;
            m_Chart.Height     = 40;

            // setup X axis
            NAxis axis = m_Chart.Axis(StandardAxis.PrimaryX);

            axis.ScrollBar.Visible = true;
            NRangeTimelineScaleConfigurator timelineScale = new NRangeTimelineScaleConfigurator();

            timelineScale.MajorGridStyle.SetShowAtWall(ChartWallType.Back, true);
            timelineScale.SecondRow.GridStyle.SetShowAtWall(ChartWallType.Back, true);
            timelineScale.ThirdRow.GridStyle.SetShowAtWall(ChartWallType.Back, true);
            axis.ScaleConfigurator = timelineScale;

            // setup primary Y axis
            axis = m_Chart.Axis(StandardAxis.PrimaryY);
            NLinearScaleConfigurator linearScale = (NLinearScaleConfigurator)axis.ScaleConfigurator;

            linearScale.MajorGridStyle.LineStyle.Pattern = LinePattern.Dot;
            linearScale.MajorGridStyle.SetShowAtWall(ChartWallType.Left, false);
            linearScale.InnerMajorTickStyle.Length = new NLength(0);

            // add interlaced stripe
            NScaleStripStyle stripStyle = new NScaleStripStyle();

            stripStyle.FillStyle = new NColorFillStyle(Color.Beige);
            stripStyle.SetShowAtWall(ChartWallType.Back, true);
            stripStyle.SetShowAtWall(ChartWallType.Left, true);
            stripStyle.Interlaced = true;
            linearScale.StripStyles.Add(stripStyle);

            // Setup the stock series
            m_Stock = (NStockSeries)m_Chart.Series.Add(SeriesType.Stock);
            m_Stock.DataLabelStyle.Visible = false;
            m_Stock.CandleStyle            = CandleStyle.Stick;
            m_Stock.CandleWidth            = new NLength(0.5f, NRelativeUnit.ParentPercentage);
            m_Stock.UpStrokeStyle.Color    = Color.RoyalBlue;
            m_Stock.Legend.Mode            = SeriesLegendMode.None;
            m_Stock.CloseValues.Name       = "close";
            m_Stock.UseXValues             = true;

            // init form controls
            if (!IsPostBack)
            {
                FirstRowVisibleCheckBox.Checked  = true;
                SecondRowVisibleCheckBox.Checked = true;
                ThirdRowVisibleCheckBox.Checked  = true;

                RandomDataTypeDropDownList.Items.Add("Daily");
                RandomDataTypeDropDownList.Items.Add("Weekly");
                RandomDataTypeDropDownList.Items.Add("Monthly");
                RandomDataTypeDropDownList.Items.Add("Yearly");
                RandomDataTypeDropDownList.SelectedIndex = 2;
            }

            timelineScale.FirstRow.Visible  = FirstRowVisibleCheckBox.Checked;
            timelineScale.SecondRow.Visible = SecondRowVisibleCheckBox.Checked;
            timelineScale.ThirdRow.Visible  = ThirdRowVisibleCheckBox.Checked;

            DateTime      dtNow   = DateTime.Now;
            DateTime      dtEnd   = dtNow;
            DateTime      dtStart = dtNow;
            NDateTimeSpan span    = new NDateTimeSpan();

            switch (RandomDataTypeDropDownList.SelectedIndex)
            {
            case 0:
                // generate data for 30 days
                dtEnd   = new DateTime(dtNow.Year, dtNow.Month, dtNow.Day, 17, 0, 0, 0);
                dtStart = new DateTime(dtNow.Year, dtNow.Month, dtNow.Day, 7, 0, 0, 0);
                span    = new NDateTimeSpan(5, NDateTimeUnit.Minute);
                break;

            case 1:
                // generate data for 30 weeks
                dtEnd   = new DateTime(dtNow.Year, dtNow.Month, dtNow.Day, 7, 0, 0, 0);
                dtStart = NDateTimeUnit.Week.Add(dtEnd, -30);
                span    = new NDateTimeSpan(1, NDateTimeUnit.Day);
                break;

            case 2:
                // generate data for 30 months
                dtEnd   = new DateTime(dtNow.Year, dtNow.Month, dtNow.Day, 7, 0, 0, 0);
                dtStart = NDateTimeUnit.Month.Add(dtEnd, -30);
                span    = new NDateTimeSpan(1, NDateTimeUnit.Week);
                break;

            case 3:
                // generate data for 30 years
                dtEnd   = new DateTime(dtNow.Year, dtNow.Month, dtNow.Day, 7, 0, 0, 0);
                dtStart = NDateTimeUnit.Year.Add(dtEnd, -30);
                span    = new NDateTimeSpan(1, NDateTimeUnit.Month);
                break;
            }

            GenerateData(dtStart, dtEnd, span);
        }