public void DrawRegressionLine()
{
var theta = Fit.Line(Data.OrderBy(d => d.Item1).Select(d => d.Item1).ToArray(), Data.OrderBy(d => d.Item1).Select(d => d.Item2).ToArray());
var x = Expr.Variable("x");
var a = Expr.Variable("a");
var b = Expr.Variable("b");
a = System.Math.Round(theta.Item2, 2);
b = System.Math.Round(theta.Item1, 2);
Func <double, double> fx = (a * x + b).Compile("x");
if (_regressionPlot != null)
{
Series.plt.Remove(_regressionPlot);
}
var x1 = Data.OrderBy(d => d.Item1).First().Item1;
var y1 = fx(Data.OrderBy(d => d.Item1).First().Item1);
var x2 = Data.OrderBy(d => d.Item1).Last().Item1;
var y2 = fx(Data.OrderBy(d => d.Item1).Last().Item1);
_regressionPlot = Series.plt.PlotLine(x1, y1, x2, y2, color: System.Drawing.Color.Red);
Series.plt.PlotText($"{System.Math.Round(fx(25), 2)}", 17, fx(25), System.Drawing.Color.Red, fontSize: 16);
Series.Render();
;
}
public void Test_Scatter_LineWidth()
{
var plt = new ScottPlot.Plot();
plt.AntiAlias(false, false, false);
// start with default settings
double[] xs = { 1, 2, 3, 4 };
double[] ys = { 1, 4, 9, 16 };
double[] xErr = { .15, .15, .5, .5 };
double[] yErr = { .5, .5, 1, 1 };
var splt = new PlottableScatter(xs, ys, xErr, yErr)
{
};
plt.Add(splt);
var bmp1 = new System.Drawing.Bitmap(plt.GetBitmap(renderFirst: true));
// change the plottable
splt.lineWidth += 1;
var bmp2 = new System.Drawing.Bitmap(plt.GetBitmap(renderFirst: true));
// measure what changed
//TestTools.SaveFig(bmp1, "1");
//TestTools.SaveFig(bmp2, "2");
var before = new MeanPixel(bmp1);
var after = new MeanPixel(bmp2);
Console.WriteLine($"Before: {before}");
Console.WriteLine($"After: {after}");
Assert.That(after.IsDarkerThan(before));
}
private void OnMouseLeftButtonUp(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
var mousePos = e.MouseDevice.GetPosition(TimetableGraph);
double mouseX = TimetableGraph.plt.CoordinateFromPixelX(mousePos.X);
double mouseY = TimetableGraph.plt.CoordinateFromPixelY(mousePos.Y);
scatterHighLight.HighlightClear();
var(x, y, index) = scatterHighLight.HighlightPointNearest(mouseX, mouseY);
TimeGraphUIModel graph = highlightedTimeGraphUiModels[index];
if (graph != null)
{
double[] xs = { x };
double[] ys = { y };
if (marker != null)
{
marker.markerShape = MarkerShape.none;
}
marker = TimetableGraph.plt.PlotScatter(xs, ys, Color.Red,
markerShape: MarkerShape.openCircle, markerSize: 15);
if (GraphModel.SelectedTimeGraph != null && GraphModel.SelectedTimeGraph.Plot != null)
{
GraphModel.SelectedTimeGraph.Plot.lineWidth = 1;
}
graph.Plot.lineWidth = 3;
GraphModel.SelectedTimeGraph = graph;
TimetableGraph.Render();
}
TimetableGraph.Render();
}
public ToggleVisibility()
{
this.InitializeComponent();
#if DEBUG
this.AttachDevTools();
#endif
int pointCount = 51;
double[] dataXs = DataGen.Consecutive(pointCount);
double[] dataSin = DataGen.Sin(pointCount);
double[] dataCos = DataGen.Cos(pointCount);
avaPlot1 = this.Find <AvaPlot>("avaPlot1");
sinPlot = avaPlot1.plt.PlotScatter(dataXs, dataSin);
cosPlot = avaPlot1.plt.PlotScatter(dataXs, dataCos);
vline1 = avaPlot1.plt.PlotVLine(0);
vline2 = avaPlot1.plt.PlotVLine(50);
avaPlot1.Render();
this.Find <CheckBox>("sineCheckbox").Checked += SinShow;
this.Find <CheckBox>("sineCheckbox").Unchecked += SinHide;
this.Find <CheckBox>("cosineCheckbox").Checked += CosShow;
this.Find <CheckBox>("cosineCheckbox").Unchecked += CosHide;
this.Find <CheckBox>("linesCheckbox").Checked += LinesShow;
this.Find <CheckBox>("linesCheckbox").Unchecked += LinesHide;
}
public static void VisibleCtrl(PlottableScatter scatterPlot,
PlottableScatterHighlight fittingHL, bool isChecked, FormsPlot plot)
{
if (scatterPlot != null && fittingHL != null)
{
scatterPlot.visible = isChecked;
fittingHL.visible = isChecked;
plot.Render();
}
}
private void ShowValueOnHover_Load(object sender, EventArgs e)
{
int pointCount = 51;
double[] Xs = DataGen.Consecutive(pointCount);
double[] Ys = DataGen.Sin(pointCount, 2);
scatterPlot = formsPlot1.plt.PlotScatter(Xs, Ys, color: Color.Blue);
formsPlot1.plt.AxisAuto();
formsPlot1.Render();
// create a point and text that will be moved around to highlight the point under the cursor
highlightedPoint = formsPlot1.plt.PlotPoint(0, 0, markerSize: 10, color: Color.Red);
highlightedText = formsPlot1.plt.PlotText("asdf", 0, 0, fontSize: 10, color: Color.Black);
}
private void ToggleVisibility_Load(object sender, EventArgs e)
{
int pointCount = 51;
double[] dataXs = DataGen.Consecutive(pointCount);
double[] dataSin = DataGen.Sin(pointCount);
double[] dataCos = DataGen.Cos(pointCount);
sinPlot = formsPlot1.plt.PlotScatter(dataXs, dataSin);
cosPlot = formsPlot1.plt.PlotScatter(dataXs, dataCos);
vline1 = formsPlot1.plt.PlotVLine(0);
vline2 = formsPlot1.plt.PlotVLine(50);
formsPlot1.Render();
}
public ToggleVisibility()
{
InitializeComponent();
int pointCount = 51;
double[] dataXs = DataGen.Consecutive(pointCount);
double[] dataSin = DataGen.Sin(pointCount);
double[] dataCos = DataGen.Cos(pointCount);
sinPlot = wpfPlot1.plt.PlotScatter(dataXs, dataSin);
cosPlot = wpfPlot1.plt.PlotScatter(dataXs, dataCos);
vline1 = wpfPlot1.plt.PlotVLine(0);
vline2 = wpfPlot1.plt.PlotVLine(50);
wpfPlot1.Render();
}
public ShowValueOnHover()
{
InitializeComponent();
// plot some data
int pointCount = 51;
double[] Xs = DataGen.Consecutive(pointCount);
double[] Ys = DataGen.Sin(pointCount, 2);
scatterPlot = wpfPlot1.plt.PlotScatter(Xs, Ys, color: System.Drawing.Color.Blue);
wpfPlot1.plt.AxisAuto();
wpfPlot1.Render();
// create a point and text that will be moved around to highlight the point under the cursor
highlightedPoint = wpfPlot1.plt.PlotPoint(0, 0, markerSize: 10, color: System.Drawing.Color.Red);
highlightedText = wpfPlot1.plt.PlotText("asdf", 0, 0, fontSize: 10, color: System.Drawing.Color.Black);
highlightedPoint.visible = false;
highlightedText.visible = false;
}
public void PlotGraph(ScottPlotGraph graphModel)
{
var locationCount = GraphModel.LocationList.Count;
var serviceCount = GraphModel.TimeGraphUI.Count;
var pointCount = locationCount * serviceCount;
scatterDataX = new double[pointCount + 1];
scatterDataY = new double[pointCount + 1];
highlightedTimeGraphUiModels = new TimeGraphUIModel[pointCount + 1];
scatterIndex = 0;
int i = 0;
foreach (var graph in GraphModel.TimeGraphUI)
{
graph.Plot = PlotService(graphModel, graph, GraphModel.TimeGraphUI[i].ServiceAbbreviation);
i++;
}
PlotTimeAxis(graphModel.Zoom, graphModel.Pan);
PlotLocationAxis(graphModel);
if (marker != null)
{
//redraw marker
marker = TimetableGraph.plt.PlotScatter(marker.xs, marker.ys, Color.Red,
markerShape: MarkerShape.openCircle, markerSize: 15);
}
if (GraphModel.SelectedTimeGraph != null)
{
GraphModel.SelectedTimeGraph.Plot.lineWidth = 3;
}
TimetableGraph.plt.Style(figBg: GetResourceColor("WindowBackground"));
TimetableGraph.plt.Style(dataBg: GetResourceColor("ControlBackground"));
TimetableGraph.plt.Grid(enable: true, color: GetResourceColor("GridLine"));
scatterHighLight = TimetableGraph.plt.PlotScatterHighlight(scatterDataX, scatterDataY, lineWidth: 0, markerSize: 0.5);
TimetableGraph.Configure(enablePanning: false, enableScrollWheelZoom: false, enableRightClickZoom: false);
TimetableGraph.Render();
}
public MainWindowViewModel()
{
MoistureContent = "0";
Data = new ObservableCollection <Tuple <double, double> >()
{
};
Series = new WpfPlot();
Series.plt.Title("Liquid limit test", fontSize: 20);
Series.plt.XLabel("Number of blows (N)", bold: true);
Series.plt.YLabel("Moisture content (%)", bold: true);
Series.plt.Ticks(logScaleY: true);
Series.Configure(lockHorizontalAxis: true, lockVerticalAxis: true);
Series.plt.AxisAuto(horizontalMargin: 0, verticalMargin: 0.9);
//_dataPlot = Series.plt.PlotScatter(_data.OrderBy(d => d.Item1).Select(d => d.Item1).ToArray(), _data.OrderBy(d => d.Item1).Select(d => d.Item2).ToArray());
ClearDataCommand = new DelegateCommand(() =>
{
NumberOfBlows = 0;
MoistureContent = "";
Data.Clear();
Series.plt.Clear();
if (_dataPlot == null)
{
_dataPlot = Series.plt.PlotScatter(Data.OrderBy(d => d.Item1).Select(d => d.Item1).ToArray(), Data.OrderBy(d => d.Item1).Select(d => d.Item2).ToArray());
}
});
AddDataCommand = new DelegateCommand(() =>
{
Data.Add(new Tuple <double, double>(NumberOfBlows, Double.Parse(MoistureContent)));
if (Data.Count() >= 2)
{
Series.plt.Clear();
_dataPlot = Series.plt.PlotScatter(Data.OrderBy(d => d.Item1).Select(d => d.Item1).ToArray(), Data.OrderBy(d => d.Item1).Select(d => d.Item2).ToArray(), color: System.Drawing.Color.Gray, lineStyle: LineStyle.Dash);
DrawRegressionLine();
}
NumberOfBlows = 0;
MoistureContent = "0";
});
ExportCommand = new DelegateCommand(() =>
{
var dialog = new SaveFileDialog();
dialog.Filter = "Excel file (*.xls)|*.xls";
dialog.ShowDialog();
;
var fileName = dialog.FileName;
if (String.IsNullOrEmpty(fileName))
{
return;
}
Series.plt.SaveFig($"{fileName}.png");
var book = new BinBook();
var id = book.addPicture(fileName + ".png");
var sheet = book.addSheet("Chart");
sheet.setPicture(10, 3, id);
book.save(fileName);
});
}
