// Create chart.
public void CreateChart()
{
// Create chart.
_chart = new LightningChartUltimate();
// Set chart control into the parent container.
_chart.Parent = this;
_chart.Dock = DockStyle.Fill;
// Disable rendering before updating chart properties to improve performance
// and to prevent unnecessary chart redrawing while changing multiple properties.
_chart.BeginUpdate();
// Set a LegendBox into a chart with vertical layout.
_chart.ViewXY.LegendBoxes[0].Layout = LegendBoxLayout.Vertical;
// Configure X- and Y-axis.
var axisX = _chart.ViewXY.XAxes[0];
var axisY = _chart.ViewXY.YAxes[0];
axisX.Title.Text = "X-Axis Position";
axisX.SetRange(MinX, MaxX);
axisY.Title.Text = "Y-Axis Position";
axisY.SetRange(MinY, MaxY);
// 1. Create a Heat Map instance as IntensityGridSeries.
_heatMap = new IntensityGridSeries(_chart.ViewXY, axisX, axisY);
// Set Heat Map's contents and properties.
_heatMap.LegendBoxUnits = "°C";
_heatMap.Title.Text = "Heat Map";
_heatMap.MouseInteraction = false;
_heatMap.PixelRendering = false;
_heatMap.SetRangesXY(MinX, MaxX, MinY, MaxY);
_heatMap.SetSize(_columns, _rows);
// Create a ValueRangePalette to present Heat Map's data.
if (_heatMap.ValueRangePalette != null)
{
_heatMap.ValueRangePalette.Dispose();
}
_heatMap.ValueRangePalette = CreatePalette(_heatMap);
// Add Heat Map to chart.
_chart.ViewXY.IntensityGridSeries.Add(_heatMap);
// Auto-scale X- and Y-axes.
_chart.ViewXY.ZoomToFit();
#region Hidden polishing
// Customize chart.
CustomizeChart(_chart);
#endregion
// Call EndUpdate to enable rendering again.
_chart.EndUpdate();
}
/// <summary>
/// 输入数据
/// </summary>
/// <param name="yValuesData"></param>
/// <param name="channelIndex">频道索引</param>
/// <param name="rowCount"></param>
public void SetData(double[][][] yValuesData, int channelIndex, int rowCount)
{
if (_chart == null)
{
return;
}
_chart.BeginUpdate();
for (int row = 0; row < rowCount; row++)
{
double[] yValues = yValuesData[row][channelIndex];
//Only accept resolution count of data points
Array.Resize(ref yValues, m_iSizeResolution);
//move the old time slots one step earlier
for (int iTimeSlot = 1; iTimeSlot < m_iSizeTimeSlots; iTimeSlot++)
{
m_aFastData[iTimeSlot - 1] = m_aFastData[iTimeSlot]; //change the reference
}
m_aFastData[m_iSizeTimeSlots - 1] = yValues;
}
_grid.InvalidateValuesDataOnly();
double dCurrentTimeMin = m_dCurrentTime - m_dTimeRangeLengthSec;
double dTotalTimeShift = m_dStepTime * (double)rowCount;
if (m_bIsHorizontalScrolling)
{
_chart.ViewXY.XAxes[0].SetRange(dCurrentTimeMin + dTotalTimeShift, dCurrentTimeMin + dTotalTimeShift + m_dTimeRangeLengthSec);
}
else
{
_chart.ViewXY.YAxes[0].SetRange(dCurrentTimeMin + dTotalTimeShift, dCurrentTimeMin + dTotalTimeShift + m_dTimeRangeLengthSec);
}
_grid.SetRangesXY(_chart.ViewXY.XAxes[0].Minimum, _chart.ViewXY.XAxes[0].Maximum,
_chart.ViewXY.YAxes[0].Minimum, _chart.ViewXY.YAxes[0].Maximum);
m_dCurrentTime += dTotalTimeShift;
_chart.EndUpdate();
}
public void SetGraphs(LightningChartUltimate throughputGraph, LightningChartUltimate tfGraph,
LightningChartUltimate timeGraph, LightningChartUltimate freqGraph)
{
int i, j;
double fstart = _dataFileNode.fstart;
double df = _dataFileNode.fs / _dataFileNode.Nfft / 2;
float[] maxfreq = _dbClientService.getMaxFrf(_dataFileNode.Id);
flen = maxfreq.Length;
_throughputGraph = throughputGraph;
_tfGraph = tfGraph;
_timeGraph = timeGraph;
_freqGraph = freqGraph;
{
_throughputGraph.BeginUpdate();
_throughputGraph.Title.Visible = false;
_throughputGraph.ViewXY.LegendBoxes[0].Position = LegendBoxPositionXY.TopRight;
_throughputGraph.ViewXY.LegendBoxes[0].Layout = LegendBoxLayout.Vertical;
AxisX axisX = _throughputGraph.ViewXY.XAxes[0];
axisX.Title.Text = "时间(s)";
AxisY axisY0 = _throughputGraph.ViewXY.YAxes[0];
axisY0.Title.Text = "声压(Pa)";
AxisY axisY1 = new AxisY(_throughputGraph.ViewXY);
axisY1.Title.Text = "总声压级(dBA)";
_throughputGraph.ViewXY.YAxes.Add(axisY1);
_maxrmsSeries = new SampleDataSeries(_throughputGraph.ViewXY, axisX, axisY1);
_maxrmsSeries.Title.Text = "最大总声压级";
_maxrmsSeries.LineStyle.Color = Colors.Red;
_maxrmsSeries.SampleFormat = SampleFormat.SingleFloat;
_maxrmsSeries.FirstSampleTimeStamp = _dataFileNode.Nfft / _dataFileNode.fs / 2;
_maxrmsSeries.SamplingFrequency = _dataFileNode.fs / _dataFileNode.FrameDN;
_throughputGraph.ViewXY.SampleDataSeries.Add(_maxrmsSeries);
_rmsSeries = new SampleDataSeries(_throughputGraph.ViewXY, axisX, axisY1);
_rmsSeries.Title.Text = "总声压级";
_rmsSeries.LineStyle.Color = Colors.Blue;
_rmsSeries.SampleFormat = SampleFormat.SingleFloat;
_rmsSeries.FirstSampleTimeStamp = _maxrmsSeries.FirstSampleTimeStamp;
_rmsSeries.SamplingFrequency = _maxrmsSeries.SamplingFrequency;
_throughputGraph.ViewXY.SampleDataSeries.Add(_rmsSeries);
_throughputgraph_verticalCursor = new LineSeriesCursor(_throughputGraph.ViewXY, axisX);
_throughputgraph_verticalCursor.Style = CursorStyle.VerticalNoTracking;
_throughputgraph_verticalCursor.LineStyle.Color = Colors.White;
_throughputgraph_verticalCursor.LineStyle.Pattern = LinePattern.Dot;
_throughputgraph_verticalCursor.LineStyle.Width = 3;
_throughputgraph_verticalCursor.ValueAtXAxis = 10;
_throughputgraph_verticalCursor.MouseHighlight = MouseOverHighlight.None;
_throughputGraph.ViewXY.LineSeriesCursors.Add(_throughputgraph_verticalCursor);
_throughputSeries = new SampleDataSeries(_throughputGraph.ViewXY, axisX, axisY0);
_throughputSeries.Title.Text = "时域";
_throughputSeries.LineStyle.Color = Colors.Orange;
_throughputSeries.SampleFormat = SampleFormat.SingleFloat;
_throughputSeries.FirstSampleTimeStamp = 0;
_throughputSeries.SamplingFrequency = _dataFileNode.fs;
_throughputGraph.ViewXY.SampleDataSeries.Add(_throughputSeries);
float[] _maxrmsData = new float[_dataFileNode.NFrame];
_rmsData[0].CopyTo(_maxrmsData, 0);
for (i = 1; i < _dataFileNode.NFrame; i++)
{
for (j = 0; j < _dataFileNode.ChannelNum; j++)
{
if (_rmsData[j][i] > _maxrmsData[i])
{
_maxrmsData[i] = _rmsData[j][i];
}
}
}
_maxrmsSeries.SamplesSingle = _maxrmsData;
_throughputGraph.EndUpdate();
}
{
_tfGraph.BeginUpdate();
_tfGraph.Title.Visible = false;
//_tfGraph.ViewXY.LegendBoxes[0].Visible = false;
_tfGraph.ViewXY.LegendBoxes[0].Position = LegendBoxPositionXY.TopRight;
_tfGraph.ViewXY.LegendBoxes[0].ShowCheckboxes = false;
AxisX axisX = _tfGraph.ViewXY.XAxes[0];
axisX.Title.Text = "时间(s)";
AxisY axisY = _tfGraph.ViewXY.YAxes[0];
axisY.Title.Text = "频率(Hz)";
_tfSeries = new IntensityGridSeries(_throughputGraph.ViewXY, axisX, axisY);
_tfSeries.PixelRendering = true;
_tfSeries.ContourLineType = ContourLineTypeXY.None;
_tfSeries.ValueRangePalette = CreatePalette(_tfSeries, 20, 100);
_tfSeries.SetRangesXY(_dataFileNode.Nfft / _dataFileNode.fs / 2,
_dataFileNode.Nfft / _dataFileNode.fs / 2 + (_dataFileNode.NFrame - 1) * _dataFileNode.FrameDN / _dataFileNode.fs,
fstart, fstart + (flen - 1) * df);
_tfSeries.MouseInteraction = false;
_tfSeries.LegendBoxUnits = null;
_tfSeries.LegendBoxValuesFormat = "0";
//_tfSeries.Title.Visible = false;
_tfSeries.Title.Text = "声压级(dBA)";
_tfGraph.ViewXY.IntensityGridSeries.Add(_tfSeries);
_tfgraph_verticalCursor = new LineSeriesCursor(_tfGraph.ViewXY, axisX);
_tfgraph_verticalCursor.Style = CursorStyle.VerticalNoTracking;
_tfgraph_verticalCursor.LineStyle.Color = Colors.White;
_tfgraph_verticalCursor.LineStyle.Pattern = LinePattern.Dot;
_tfgraph_verticalCursor.LineStyle.Width = 3;
_tfgraph_verticalCursor.ValueAtXAxis = _throughputgraph_verticalCursor.ValueAtXAxis;
_tfgraph_verticalCursor.MouseHighlight = MouseOverHighlight.None;
_tfGraph.ViewXY.LineSeriesCursors.Add(_tfgraph_verticalCursor);
_tfgraph_horizontalCursor = new ConstantLine(_tfGraph.ViewXY, axisX, axisY);
_tfgraph_horizontalCursor.LineStyle.Color = Colors.White;
_tfgraph_horizontalCursor.LineStyle.Width = 3;
_tfgraph_horizontalCursor.LineStyle.Pattern = LinePattern.Dot;
_tfgraph_horizontalCursor.Value = 2000;
_tfgraph_horizontalCursor.ShowInLegendBox = false;
_tfgraph_horizontalCursor.MouseHighlight = MouseOverHighlight.None;
_tfGraph.ViewXY.ConstantLines.Add(_tfgraph_horizontalCursor);
spectrumCalculator = new SpectrumCalculator();
double[] _aweight = Weight.GetWeightData(FreqWeightType.AWeight, fstart, df, flen);
_aweightdb = new double[_aweight.Length];
for (i = 0; i < flen; i++)
{
_aweightdb[i] = 20 * Math.Log10(_aweight[i] * Math.Sqrt(2) / _dataFileNode.Nfft) + 93.9794;//93.9794为2e-5Pa参考
}
fstarti = (int)(fstart / df);
////Configure legend
_tfGraph.ViewXY.LegendBoxes[0].IntensityScales.ScaleSizeDim1 = 400;
_tfGraph.ViewXY.LegendBoxes[0].Layout = LegendBoxLayout.Horizontal;
//_tfGraph.ViewXY.LegendBoxes[0].Offset = new PointIntXY(-15, -70);
_tfGraph.ViewXY.LegendBoxes[0].ResetLocation();
_tfGraph.EndUpdate();
}
{
_timeGraph.BeginUpdate();
_timeGraph.Title.Visible = false;
_timeGraph.ViewXY.LegendBoxes[0].Position = LegendBoxPositionXY.TopRight;
_timeGraph.ViewXY.LegendBoxes[0].Visible = false;
AxisX axisX = _timeGraph.ViewXY.XAxes[0];
axisX.Title.Text = "时间(s)";
AxisY axisY = _timeGraph.ViewXY.YAxes[0];
axisY.Title.Text = "声压(Pa)";
_timegraph_verticalCursor = new LineSeriesCursor(_timeGraph.ViewXY, axisX);
_timegraph_verticalCursor.Style = CursorStyle.VerticalNoTracking;
_timegraph_verticalCursor.LineStyle.Color = Colors.White;
_timegraph_verticalCursor.LineStyle.Pattern = LinePattern.Dot;
_timegraph_verticalCursor.LineStyle.Width = 3;
_timegraph_verticalCursor.ValueAtXAxis = _dataFileNode.Nfft / _dataFileNode.fs / 2;
_timegraph_verticalCursor.MouseHighlight = MouseOverHighlight.None;
_timeGraph.ViewXY.LineSeriesCursors.Add(_timegraph_verticalCursor);
_timeSeries = new SampleDataSeries(_timeGraph.ViewXY, axisX, axisY);
_timeSeries.Title.Text = "时域";
_timeSeries.LineStyle.Color = Colors.Orange;
_timeSeries.SampleFormat = SampleFormat.SingleFloat;
_timeSeries.FirstSampleTimeStamp = 0;
_timeSeries.SamplingFrequency = _dataFileNode.fs;
_timeGraph.ViewXY.SampleDataSeries.Add(_timeSeries);
_timeGraph.ViewXY.ZoomToFit();
_timeGraph.EndUpdate();
}
{
_freqGraph.BeginUpdate();
_freqGraph.Title.Visible = false;
_freqGraph.ViewXY.LegendBoxes[0].Position = LegendBoxPositionXY.TopRight;
_freqGraph.ViewXY.LegendBoxes[0].Layout = LegendBoxLayout.Vertical;
AxisX axisX = _freqGraph.ViewXY.XAxes[0];
axisX.Title.Text = "频率(Hz)";
AxisY axisY = _freqGraph.ViewXY.YAxes[0];
axisY.Title.Text = "声压级(dBA)";
_freqgraph_verticalCursor = new LineSeriesCursor(_freqGraph.ViewXY, axisX);
_freqgraph_verticalCursor.Style = CursorStyle.VerticalNoTracking;
_freqgraph_verticalCursor.LineStyle.Color = Colors.White;
_freqgraph_verticalCursor.LineStyle.Pattern = LinePattern.Dot;
_freqgraph_verticalCursor.LineStyle.Width = 3;
_freqgraph_verticalCursor.ValueAtXAxis = _tfgraph_horizontalCursor.Value;
_freqgraph_verticalCursor.MouseHighlight = MouseOverHighlight.None;
_freqGraph.ViewXY.LineSeriesCursors.Add(_freqgraph_verticalCursor);
_maxfreqSeries = new SampleDataSeries(_freqGraph.ViewXY, axisX, axisY);
_maxfreqSeries.Title.Text = "最大值";
_maxfreqSeries.LineStyle.Color = Colors.Red;
_maxfreqSeries.SampleFormat = SampleFormat.SingleFloat;
_maxfreqSeries.FirstSampleTimeStamp = fstart;
_maxfreqSeries.SamplingFrequency = 1 / df;
_freqGraph.ViewXY.SampleDataSeries.Add(_maxfreqSeries);
_maxfreqSeries.SamplesSingle = maxfreq;
_freqSeries = new SampleDataSeries(_freqGraph.ViewXY, axisX, axisY);
_freqSeries.Title.Text = "频谱";
_freqSeries.LineStyle.Color = Colors.Orange;
_freqSeries.SampleFormat = SampleFormat.DoubleFloat;
_freqSeries.FirstSampleTimeStamp = fstart;
_freqSeries.SamplingFrequency = 1 / df;
_freqGraph.ViewXY.SampleDataSeries.Add(_freqSeries);
_freqGraph.ViewXY.ZoomToFit();
_freqGraph.EndUpdate();
}
_ShowTimer.Interval = _dataFileNode.FrameDN / _dataFileNode.fs * 1000 / 2;
_ShowTimer.Elapsed += _ShowTimer_Elapsed;
_tfgraph_verticalCursor.PositionChanged += verticalCursor_PositionChanged;
_tfgraph_horizontalCursor.ValueChanged += horizontalCursor_ValueChanged;
UpdateChannel();
}
/// <summary>
/// 构造
/// </summary>
/// <param name="parentControl">父控件</param>
/// <param name="verticalScrolling">是否可以垂直滚动</param>
/// <param name="resolution">分辨率</param>
/// <param name="timeStepMs"></param>
/// <param name="timeRangeLengthSec"></param>
/// <param name="freqMin">最小频率</param>
/// <param name="freqMax">最大频率</param>
/// <param name="title">频谱仪标题(未使用)</param>
/// <param name="toneColor"></param>
public SpectrogramViewXYIntensity(Panel parentControl, bool verticalScrolling,
int resolution, double timeStepMs, double timeRangeLengthSec,
double freqMin, double freqMax, string title, Color toneColor)
{
_parentControl = parentControl;
double dDefaultYMax = 7000000;
double dAxisTimeScaleMin = timeStepMs / 1000.0 - timeRangeLengthSec;
double dAxisTimeScaleMax = 0;
m_dStepTime = timeStepMs / 1000.0;
m_dTimeRangeLengthSec = timeRangeLengthSec;
//Create chart
LightningChartUltimate chart = new LightningChartUltimate();
_chart = chart;
_chart.VerticalAlignment = VerticalAlignment.Top;
_chart.HorizontalAlignment = HorizontalAlignment.Left;
m_bIsHorizontalScrolling = !verticalScrolling;
chart.BeginUpdate();
parentControl.Children.Add(chart);
_chart.ChartBackground.Color = ChartTools.CalcGradient(toneColor, Colors.Black, 65);
_chart.ChartBackground.GradientDirection = 0;
_chart.ChartBackground.GradientFill = GradientFill.Cylindrical;
chart.ChartName = "Spectrogram chart";
chart.ViewXY.XAxes = ViewXY.CreateDefaultXAxes();
chart.ViewXY.YAxes = ViewXY.CreateDefaultYAxes();
chart.Title.Visible = false;
chart.Title.Font = new WpfFont("Segoe UI", 13, true, false);
chart.Title.Offset.SetValues(0, 20);
chart.ViewXY.ZoomPanOptions.RightMouseButtonAction = MouseButtonAction.None;
chart.ViewXY.ZoomPanOptions.LeftMouseButtonAction = MouseButtonAction.None;
chart.ViewXY.ZoomPanOptions.MouseWheelZooming = MouseWheelZooming.Off;
//Disable automatic axis layouts
chart.ViewXY.AxisLayout.AutoAdjustMargins = false;
chart.ViewXY.AxisLayout.XAxisAutoPlacement = XAxisAutoPlacement.Off;
chart.ViewXY.AxisLayout.YAxisAutoPlacement = YAxisAutoPlacement.Off;
chart.ViewXY.AxisLayout.XAxisTitleAutoPlacement = false;
chart.ViewXY.AxisLayout.YAxisTitleAutoPlacement = false;
chart.ViewXY.Margins = new Thickness(60, 10, 15, 50);
if (m_bIsHorizontalScrolling)
{
chart.ViewXY.XAxes[0].ValueType = AxisValueType.Time;
chart.ViewXY.XAxes[0].Title.Text = "Time";
chart.ViewXY.XAxes[0].SetRange(dAxisTimeScaleMin, dAxisTimeScaleMax);
chart.ViewXY.YAxes[0].ValueType = AxisValueType.Number;
chart.ViewXY.YAxes[0].Title.Text = "Frequency(Hz)";
chart.ViewXY.YAxes[0].SetRange(freqMin, freqMax);
}
else
{
chart.ViewXY.XAxes[0].ValueType = AxisValueType.Number;
chart.ViewXY.XAxes[0].Title.Text = "Frequency(Hz)";
chart.ViewXY.XAxes[0].SetRange(freqMin, freqMax);
chart.ViewXY.YAxes[0].ValueType = AxisValueType.Time;
chart.ViewXY.YAxes[0].Title.Text = "Time";
chart.ViewXY.YAxes[0].SetRange(dAxisTimeScaleMin, dAxisTimeScaleMax);
}
m_dCurrentTime = dAxisTimeScaleMax;
Color color = Colors.White;
chart.ViewXY.XAxes[0].MinorDivTickStyle.Visible = false;
chart.ViewXY.XAxes[0].LabelsColor = Color.FromArgb(200, color.R, color.G, color.B);
chart.ViewXY.XAxes[0].MajorDivTickStyle.Color = Colors.Orange;
chart.ViewXY.XAxes[0].Title.Shadow.Style = TextShadowStyle.Off;
chart.ViewXY.XAxes[0].LabelsNumberFormat = "0";
chart.ViewXY.YAxes[0].MinorDivTickStyle.Visible = false;
chart.ViewXY.YAxes[0].LabelsColor = Color.FromArgb(200, color.R, color.G, color.B);
chart.ViewXY.YAxes[0].MajorDivTickStyle.Color = Colors.Orange;
chart.ViewXY.YAxes[0].Title.Shadow.Style = TextShadowStyle.Off;
chart.ViewXY.YAxes[0].LabelsNumberFormat = "0";
//Setup legend box
chart.ViewXY.LegendBoxes = ViewXY.CreateDefaultLegendBoxes();
chart.ViewXY.LegendBoxes[0].SeriesTitleColor = toneColor;
chart.ViewXY.LegendBoxes[0].ValueLabelColor = Colors.White;
chart.ViewXY.LegendBoxes[0].IntensityScales.ScaleBorderColor = Colors.White;
chart.ViewXY.LegendBoxes[0].Position = LegendBoxPositionXY.RightCenter;
chart.ViewXY.LegendBoxes[0].Layout = LegendBoxLayout.Vertical;
chart.ViewXY.LegendBoxes[0].Offset.SetValues(-20, 0);
chart.ViewXY.LegendBoxes[0].Fill.Style = RectFillStyle.None;
chart.ViewXY.LegendBoxes[0].Shadow.Visible = false;
chart.ViewXY.LegendBoxes[0].BorderWidth = 0;
chart.ViewXY.LegendBoxes[0].IntensityScales.ScaleSizeDim1 = 100;
chart.ViewXY.LegendBoxes[0].IntensityScales.ScaleSizeDim2 = 15;
chart.ViewXY.LegendBoxes[0].ShowCheckboxes = false;
chart.ViewXY.LegendBoxes[0].UnitsColor = Colors.Transparent;
chart.Name = "Spectrogram";
//Create grid
_grid = new IntensityGridSeries(chart.ViewXY, chart.ViewXY.XAxes[0], chart.ViewXY.YAxes[0]);
chart.ViewXY.IntensityGridSeries.Add(_grid);
m_iSizeTimeSlots = (int)Math.Round(timeRangeLengthSec / (timeStepMs / 1000.0));
m_iSizeResolution = resolution;
m_aFastData = new double[m_iSizeTimeSlots][];
for (int iTimeSlot = 0; iTimeSlot < m_iSizeTimeSlots; iTimeSlot++)
{
m_aFastData[iTimeSlot] = new double[m_iSizeResolution];
}
if (m_bIsHorizontalScrolling)
{
_grid.SetValuesData(m_aFastData, IntensityGridValuesDataOrder.ColumnsRows);
}
else
{
_grid.SetValuesData(m_aFastData, IntensityGridValuesDataOrder.RowsColumns);
}
_grid.Data = null;
_grid.SetRangesXY(chart.ViewXY.XAxes[0].Minimum, chart.ViewXY.XAxes[0].Maximum,
chart.ViewXY.YAxes[0].Minimum, chart.ViewXY.YAxes[0].Maximum);
_grid.ContourLineType = ContourLineTypeXY.None;
_grid.WireframeType = SurfaceWireframeType.None;
_grid.PixelRendering = true;
_grid.MouseInteraction = false;
_grid.ValueRangePalette = CreatePalette(_grid, dDefaultYMax);
_grid.Title.Text = "P(f)";
chart.EndUpdate();
}