public Image drawChart(List <int> xTime, List <double> yVel)
{
Bitmap bm = new Bitmap(PanelSize.Width, PanelSize.Height);
using (Graphics g = Graphics.FromImage(bm)) {
NPlot.Bitmap.PlotSurface2D plotSurface = new NPlot.Bitmap.PlotSurface2D(bm);
NPlot.LinePlot linePlot = new NPlot.LinePlot(yVel, xTime);
linePlot.Color = Color.Green;
plotSurface.Add(linePlot);
NPlot.Legend legende = new NPlot.Legend();
NPlot.Grid grid = new NPlot.Grid();
grid.HorizontalGridType = NPlot.Grid.GridType.Coarse;
grid.VerticalGridType = NPlot.Grid.GridType.Fine;
plotSurface.Add(grid);
Rectangle rectBounds = new Rectangle(0, 0, PanelSize.Width, PanelSize.Height);
plotSurface.Draw(g, rectBounds);
}
return(bm);
}
public void InitCurve()
{
plotSurface2D1.Clear();
NPlot.Grid mygrid = new NPlot.Grid();//新建网格
mygrid.VerticalGridType = NPlot.Grid.GridType.Coarse;//横轴方向网格类型Coarse为粗糙型，Fine为细密型，None没有网格
Pen majorGridPen = new Pen(Color.LightGray);//网格画笔（定义颜色）
float[] pattern = { 2.0f, 1.0f };//画笔短划线和空白区域的数组
majorGridPen.DashPattern = pattern;
mygrid.MajorGridPen = majorGridPen;//MajorGridPen为Coarse对应画笔，MinorGridPen为Fine对应画笔
plotSurface2D1.Add(mygrid);
plotSurface2D1.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
plotSurface2D1.AddInteraction(new NPlot.Windows.PlotSurface2D.Interactions.HorizontalDrag());
plotSurface2D1.AddInteraction(new NPlot.Windows.PlotSurface2D.Interactions.VerticalDrag());
plotSurface2D1.AddInteraction(new NPlot.Windows.PlotSurface2D.Interactions.AxisDrag(false));
plotSurface2D1.AddInteraction(new NPlot.Windows.PlotSurface2D.Interactions.MouseWheelZoom());
plotSurface2D1.RightMenu = NPlot.Windows.PlotSurface2D.DefaultContextMenu;
plotSurface2D1.RightMenu.Menu.MenuItems.Add(new MenuItem("-"));
plotSurface2D1.RightMenu.Menu.MenuItems.Add(new MenuItem("更换曲线", mnuReplaceCurve_Click));
plotSurface2D1.RightMenu.Menu.MenuItems.Add(new MenuItem("增加曲线", mnuAddCurve_Click));
plotSurface2D1.RightMenu.Menu.MenuItems.Add(new MenuItem("删除曲线", mnuDeleteCurve_Click));
plotSurface2D1.PlotBackColor = Color.White;
NPlot.Legend legend = new NPlot.Legend();
legend.AttachTo(PlotSurface2D.XAxisPosition.Top, PlotSurface2D.YAxisPosition.Left);
legend.VerticalEdgePlacement = NPlot.Legend.Placement.Inside;
legend.HorizontalEdgePlacement = NPlot.Legend.Placement.Inside;
legend.YOffset = 8;
legend.XOffset = 8;
legend.BorderStyle = LegendBase.BorderType.Line;
plotSurface2D1.Legend = legend;
plotSurface2D1.LegendZOrder = 0;
}
public Image drawChart(List <long> xTime, List <double> yVel)
{
Bitmap bm = new Bitmap(PanelSize.Width, PanelSize.Height);
using (Graphics g = Graphics.FromImage(bm)) {
NPlot.Bitmap.PlotSurface2D plotSurface = new NPlot.Bitmap.PlotSurface2D(bm);
plotSurface.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
NPlot.LinePlot linePlot = new NPlot.LinePlot(yVel, xTime);
linePlot.Color = Color.Red;
plotSurface.Add(linePlot);
plotSurface.YAxis1.AutoScaleTicks = Autozoom;
if (!Autozoom)
{
plotSurface.YAxis1.WorldMax = YMax;
plotSurface.YAxis1.WorldMin = YMin;
}
plotSurface.Title = Title;
plotSurface.XAxis1.Label = XLabel;
plotSurface.YAxis1.Label = YLabel;
NPlot.Legend legende = new NPlot.Legend();
NPlot.Grid grid = new NPlot.Grid();
grid.HorizontalGridType = NPlot.Grid.GridType.Fine;
grid.VerticalGridType = NPlot.Grid.GridType.Fine;
plotSurface.Add(grid);
Rectangle rectBounds = new Rectangle(0, 0, PanelSize.Width, PanelSize.Height);
plotSurface.Draw(g, rectBounds);
}
return(bm);
}
public void InitAction()
{
plotSurface2D1.Clear();
NPlot.Grid mygrid = new NPlot.Grid();//新建网格
mygrid.VerticalGridType = NPlot.Grid.GridType.Coarse;//横轴方向网格类型Coarse为粗糙型，Fine为细密型，None没有网格
Pen majorGridPen = new Pen(Color.LightGray);//网格画笔（定义颜色）
float[] pattern = { 2.0f, 1.0f };//画笔短划线和空白区域的数组
majorGridPen.DashPattern = pattern;
mygrid.MajorGridPen = majorGridPen;//MajorGridPen为Coarse对应画笔，MinorGridPen为Fine对应画笔
plotSurface2D1.Add(mygrid);
// 启动默认的右键菜单功能
plotSurface2D1.RightMenu = NPlot.Windows.PlotSurface2D.DefaultContextMenu;
plotSurface2D1.RightMenu.Menu.MenuItems.Add(new MenuItem("-"));
plotSurface2D1.RightMenu.Menu.MenuItems.Add(new MenuItem("更换曲线", mnuReplaceCurve_Click));
plotSurface2D1.RightMenu.Menu.MenuItems.Add(new MenuItem("增加曲线", mnuAddCurve_Click));
plotSurface2D1.RightMenu.Menu.MenuItems.Add(new MenuItem("删除曲线", mnuDeleteCurve_Click));
//背景颜色
plotSurface2D1.PlotBackColor = Color.White;
NPlot.Legend legend = new NPlot.Legend();//图例
legend.AttachTo(PlotSurface2D.XAxisPosition.Top, PlotSurface2D.YAxisPosition.Right);//图例位置
legend.VerticalEdgePlacement = NPlot.Legend.Placement.Inside;
legend.HorizontalEdgePlacement = NPlot.Legend.Placement.Inside;
legend.YOffset = 8;
legend.XOffset = -8;
legend.BorderStyle = LegendBase.BorderType.Line;
plotSurface2D1.Legend = legend;
plotSurface2D1.LegendZOrder = 0; // default zorder for adding idrawables is 0, so this puts legend on top.
}
internal static void ToDraw(int[] time, double[] valEntry, double[] valAlgo, TypeAction ta, TypeMeasure tm)
{
_npSurface.Clear();
_npSurface.Title = $"{tm} : {ta}";
_npSurface.BackColor = Color.White;
NPlot.Grid grid = new NPlot.Grid();
_npSurface.Add(grid, NPlot.PlotSurface2D.XAxisPosition.Bottom,
NPlot.PlotSurface2D.YAxisPosition.Left);
if (tm == TypeMeasure.Distance)
{
NPlot.LinePlot plot = new NPlot.LinePlot();
plot.AbscissaData = time;
plot.DataSource = valAlgo;
plot.Label = "Algorithm";
plot.Color = Color.Blue;
_npSurface.Add(plot, NPlot.PlotSurface2D.XAxisPosition.Bottom,
NPlot.PlotSurface2D.YAxisPosition.Left);
}
else
{
NPlot.LinePlot plotAlgo = new NPlot.LinePlot();
NPlot.LinePlot plotEntry = new NPlot.LinePlot();
plotAlgo.AbscissaData = time;
plotAlgo.DataSource = valAlgo;
plotAlgo.Label = "Algorithm";
plotAlgo.Color = Color.Blue;
_npSurface.Add(plotAlgo, NPlot.PlotSurface2D.XAxisPosition.Bottom,
NPlot.PlotSurface2D.YAxisPosition.Left);
plotEntry.AbscissaData = time;
plotEntry.DataSource = valEntry;
plotEntry.Label = "Entry";
plotEntry.Color = Color.Red;
_npSurface.Add(plotEntry, NPlot.PlotSurface2D.XAxisPosition.Bottom,
NPlot.PlotSurface2D.YAxisPosition.Left);
}
_npSurface.XAxis1.Label = "Time";
_npSurface.XAxis1.NumberFormat = "{0:##0}";
_npSurface.XAxis1.LabelFont = AxisFont;
_npSurface.XAxis1.TickTextFont = TickFont;
_npSurface.YAxis1.Label = $"{tm}";
_npSurface.YAxis1.NumberFormat = "{0:##0.0}";
_npSurface.YAxis1.LabelFont = AxisFont;
_npSurface.YAxis1.TickTextFont = TickFont;
NPlot.Legend npLegend = new NPlot.Legend();
npLegend.AttachTo(NPlot.PlotSurface2D.XAxisPosition.Top,
NPlot.PlotSurface2D.YAxisPosition.Right);
npLegend.VerticalEdgePlacement = NPlot.Legend.Placement.Inside;
npLegend.HorizontalEdgePlacement = NPlot.Legend.Placement.Outside;
npLegend.BorderStyle = NPlot.LegendBase.BorderType.Line;
_npSurface.Legend = npLegend;
_npSurface.Refresh();
try
{
if (!Directory.Exists(Path))
{
DirectoryInfo di = Directory.CreateDirectory(Path);
Console.WriteLine("The directory was created successfully at {0}.", Directory.GetCreationTime(Path));
}
var files = Directory.GetFiles($"{Path}/", $"*plot-{ta}-{tm}*.png");
_npSurface.Bitmap.Save($"{Path}/plot-{ta}-{tm}-{files.Length}.png");
}
catch (Exception e)
{
Console.WriteLine("The process failed: {0}", e.ToString());
}
}
// Erzeugt in einem Bitmap den zu plotenden Graphen
public Image drawChart()
{
Bitmap bm = new Bitmap(PanelSize.Width, PanelSize.Height);
using (Graphics g = Graphics.FromImage(bm))
{
//Rectangle allRect = new Rectangle(0, 0, PanelSize.Width, PanelSize.Height);
//g.FillRectangle(Brushes.White, allRect);
NPlot.Bitmap.PlotSurface2D plotSurface = new NPlot.Bitmap.PlotSurface2D(bm);
plotSurface.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
// Achsen definieren
if (_XAxisBottomType == AxisType.linear)
{
plotSurface.XAxis1 = new NPlot.LinearAxis();
}
if (_XAxisBottomType == AxisType.log10)
{
plotSurface.XAxis1 = new NPlot.LogAxis();
}
else if (_XAxisBottomType == AxisType.label)
{
NPlot.LabelAxis lA = new NPlot.LabelAxis();
IEnumerator <string> elabels = _XAxisBottomLabels.GetEnumerator();
elabels.Reset();
IEnumerator <double> evalues = _XAxisBottomSeries.GetEnumerator();
evalues.Reset();
double minValue = double.MaxValue;
double maxValue = double.MinValue;
while (elabels.MoveNext() && evalues.MoveNext())
{
lA.AddLabel(elabels.Current, evalues.Current);
minValue = Math.Min(minValue, evalues.Current);
maxValue = Math.Max(maxValue, evalues.Current);
}
double puffer = (maxValue - minValue) * 0.05;
lA.WorldMin = minValue - puffer;
lA.WorldMax = maxValue + puffer;
plotSurface.XAxis1 = lA;
}
if (_XAxisBottomType != AxisType.undef)
{
plotSurface.XAxis1.Label = XAxis1Label;
plotSurface.XAxis1.TickTextFont = TickTextFont;
plotSurface.XAxis1.LabelFont = LabelFont;
}
if (_XAxisTopType == AxisType.linear)
{
plotSurface.XAxis2 = new NPlot.LinearAxis();
}
else if (_XAxisTopType == AxisType.log10)
{
plotSurface.XAxis2 = new NPlot.LogAxis();
}
else if (_XAxisTopType == AxisType.label)
{
NPlot.LabelAxis lA = new NPlot.LabelAxis();
IEnumerator <string> elabels = _XAxisTopLabels.GetEnumerator();
elabels.Reset();
IEnumerator <double> evalues = _XAxisTopSeries.GetEnumerator();
evalues.Reset();
while (elabels.MoveNext() && evalues.MoveNext())
{
lA.AddLabel(elabels.Current, evalues.Current);
}
plotSurface.XAxis2 = lA;
}
if (_XAxisTopType != AxisType.undef)
{
plotSurface.XAxis2.Label = XAxis2Label;
plotSurface.XAxis2.TickTextFont = TickTextFont;
plotSurface.XAxis2.LabelFont = LabelFont;
}
if (_YAxisLeftType == AxisType.linear)
{
plotSurface.YAxis1 = new NPlot.LinearAxis();
}
else if (_YAxisLeftType == AxisType.log10)
{
plotSurface.YAxis1 = new NPlot.LogAxis();
}
else if (_YAxisLeftType == AxisType.label)
{
NPlot.LabelAxis lA = new NPlot.LabelAxis();
IEnumerator <string> elabels = _YAxisLeftLabels.GetEnumerator();
elabels.Reset();
IEnumerator <double> evalues = _YAxisLeftSeries.GetEnumerator();
evalues.Reset();
while (elabels.MoveNext() && evalues.MoveNext())
{
lA.AddLabel(elabels.Current, evalues.Current);
}
plotSurface.YAxis1 = lA;
}
if (plotSurface.YAxis1 != null)
{
plotSurface.YAxis1.AutoScaleTicks = Autozoom;
plotSurface.YAxis1.Label = YAxis1Label;
plotSurface.YAxis1.LabelFont = LabelFont;
plotSurface.YAxis1.TickTextFont = TickTextFont;
if (!Autozoom)
{
plotSurface.YAxis1.WorldMax = YMax;
plotSurface.YAxis1.WorldMin = YMin;
}
}
if (_YAxisRightType == AxisType.linear)
{
plotSurface.YAxis2 = new NPlot.LinearAxis();
}
else if (_YAxisRightType == AxisType.log10)
{
plotSurface.YAxis2 = new NPlot.LogAxis();
}
else if (_YAxisRightType == AxisType.label)
{
NPlot.LabelAxis lA = new NPlot.LabelAxis();
IEnumerator <string> elabels = _YAxisRightLabels.GetEnumerator();
elabels.Reset();
IEnumerator <double> evalues = _YAxisRightSeries.GetEnumerator();
evalues.Reset();
while (elabels.MoveNext() && evalues.MoveNext())
{
lA.AddLabel(elabels.Current, evalues.Current);
}
plotSurface.YAxis2 = lA;
}
if (plotSurface.YAxis2 != null)
{
plotSurface.YAxis2.AutoScaleTicks = Autozoom;
plotSurface.YAxis2.Label = YAxis2Label;
plotSurface.YAxis2.LabelFont = LabelFont;
plotSurface.YAxis2.TickTextFont = TickTextFont;
if (!Autozoom)
{
plotSurface.YAxis2.WorldMax = YMax;
plotSurface.YAxis2.WorldMin = YMin;
}
}
// Graphen hinzufügen
foreach (MyPlot my in plots)
{
plotSurface.Add(my.plot, my.XAxisPosition, my.YAxisPosition);
}
// Titel und Achsbeschrigtungen hinzufügen
plotSurface.Title = Title;
plotSurface.TitleFont = TitleFont;
// Legende hinzufügen
NPlot.Legend legende = new NPlot.Legend();
plotSurface.Legend = legende;
// Gitternetzlinien hinzufügen
NPlot.Grid grid = new NPlot.Grid();
grid.HorizontalGridType = NPlot.Grid.GridType.Fine;
grid.VerticalGridType = NPlot.Grid.GridType.Coarse;
plotSurface.Add(grid);
Rectangle rectBounds = new Rectangle(0, 0, PanelSize.Width, PanelSize.Height);
plotSurface.Draw(g, rectBounds);
}
return(bm);
}
private void RePlot()
{
nplot.Clear();
// ensure user has selected both x and y
if (Node == null || LabelX == null || LabelY == null)
return;
//find the associated col index
int colx = -1, coly = -1, i = 0;
foreach (DataGridViewColumn col in Data.Grid.Columns)
{
if (col.HeaderText == LabelX)
colx = i;
if (col.HeaderText == LabelY)
coly = i;
i++;
}
if (colx == -1 || coly == -1)
return;
// get the data from the gridview
List<double> x = new List<double>(Data.Grid.Rows.Count);
List<double> y = new List<double>(Data.Grid.Rows.Count);
double tx, ty;
foreach (DataGridViewRow row in Data.Grid.Rows)
{
try
{
if (row.Cells[colx].Value == null || row.Cells[coly].Value == null)
continue;
tx = Double.Parse(row.Cells[colx].Value.ToString());
ty = Double.Parse(row.Cells[coly].Value.ToString());
x.Add(tx);
y.Add(ty);
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
nplot.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighSpeed;
//Add a background grid for better chart readability.
NPlot.Grid grid = new NPlot.Grid();
grid.VerticalGridType = NPlot.Grid.GridType.Coarse;
grid.HorizontalGridType = NPlot.Grid.GridType.Coarse;
grid.MinorGridPen = new Pen(Color.Blue, 1.0f);
grid.MajorGridPen = new Pen(Color.LightGray, 1.0f);
nplot.Add(grid);
//create a lineplot from it
NPlot.LinePlot lp = new NPlot.LinePlot();
lp.AbscissaData = x;
lp.OrdinateData = y;
nplot.Add(lp);
//point plot for showing points
NPlot.PointPlot pp = new NPlot.PointPlot();
pp.AbscissaData = x;
pp.OrdinateData = y;
nplot.Add(pp);
//format axes labels
nplot.YAxis1.Label = LabelY;
nplot.YAxis1.LabelFont = new Font(this.Font, FontStyle.Regular);
nplot.YAxis1.LabelOffsetAbsolute = true;
nplot.YAxis1.LabelOffset = 40;
nplot.XAxis1.Label = LabelX;
nplot.XAxis1.LabelFont = new Font(this.Font, FontStyle.Regular);
nplot.XAxis1.HideTickText = false;
nplot.Padding = 5;
//enable dragging etc
nplot.RightMenu = NPlot.Windows.PlotSurface2D.DefaultContextMenu;
nplot.AddInteraction(new NPlot.Windows.PlotSurface2D.Interactions.AxisDrag(false));
nplot.AddInteraction(new NPlot.Windows.PlotSurface2D.Interactions.HorizontalDrag());
nplot.AddInteraction(new NPlot.Windows.PlotSurface2D.Interactions.VerticalDrag());
nplot.Refresh();
}
