- TrendGraph에 trendline 추가

MainForm.Designer.cs

@@ -76,7 +76,7 @@
 			this.toolStripMain.Location = new System.Drawing.Point(0, 24);
 			this.toolStripMain.Name = "toolStripMain";
 			this.toolStripMain.RenderMode = System.Windows.Forms.ToolStripRenderMode.Professional;
-			this.toolStripMain.Size = new System.Drawing.Size(947, 25);
+			this.toolStripMain.Size = new System.Drawing.Size(1184, 25);
 			this.toolStripMain.TabIndex = 0;
 			this.toolStripMain.Text = "toolStrip1";
 			// 
@@ -165,9 +165,9 @@
 			// 
 			this.statusStrip.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
             this.toolStripStatusLabel});
-			this.statusStrip.Location = new System.Drawing.Point(0, 623);
+			this.statusStrip.Location = new System.Drawing.Point(0, 739);
 			this.statusStrip.Name = "statusStrip";
-			this.statusStrip.Size = new System.Drawing.Size(947, 22);
+			this.statusStrip.Size = new System.Drawing.Size(1184, 22);
 			this.statusStrip.TabIndex = 1;
 			this.statusStrip.Text = "statusStrip1";
 			// 
@@ -187,7 +187,7 @@
             this.reportToolStripMenuItem});
 			this.menuStrip.Location = new System.Drawing.Point(0, 0);
 			this.menuStrip.Name = "menuStrip";
-			this.menuStrip.Size = new System.Drawing.Size(947, 24);
+			this.menuStrip.Size = new System.Drawing.Size(1184, 24);
 			this.menuStrip.TabIndex = 3;
 			this.menuStrip.Text = "menuStrip1";
 			// 
@@ -204,20 +204,20 @@
 			// openDBToolStripMenuItem
 			// 
 			this.openDBToolStripMenuItem.Name = "openDBToolStripMenuItem";
-			this.openDBToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
+			this.openDBToolStripMenuItem.Size = new System.Drawing.Size(123, 22);
 			this.openDBToolStripMenuItem.Text = "Open DB";
 			this.openDBToolStripMenuItem.Click += new System.EventHandler(this.openDBToolStripMenuItem_Click);
 			// 
 			// recentToolStripMenuItem
 			// 
 			this.recentToolStripMenuItem.Name = "recentToolStripMenuItem";
-			this.recentToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
+			this.recentToolStripMenuItem.Size = new System.Drawing.Size(123, 22);
 			this.recentToolStripMenuItem.Text = "Recent";
 			// 
 			// exitToolStripMenuItem
 			// 
 			this.exitToolStripMenuItem.Name = "exitToolStripMenuItem";
-			this.exitToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
+			this.exitToolStripMenuItem.Size = new System.Drawing.Size(123, 22);
 			this.exitToolStripMenuItem.Text = "Exit";
 			this.exitToolStripMenuItem.Click += new System.EventHandler(this.exitToolStripMenuItem_Click);
 			// 
@@ -233,14 +233,14 @@
 			// resultTableToolStripMenuItem
 			// 
 			this.resultTableToolStripMenuItem.Name = "resultTableToolStripMenuItem";
-			this.resultTableToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
+			this.resultTableToolStripMenuItem.Size = new System.Drawing.Size(149, 22);
 			this.resultTableToolStripMenuItem.Text = "Result Table";
 			this.resultTableToolStripMenuItem.Click += new System.EventHandler(this.resultTableToolStripMenuItem_Click);
 			// 
 			// analysisTableToolStripMenuItem
 			// 
 			this.analysisTableToolStripMenuItem.Name = "analysisTableToolStripMenuItem";
-			this.analysisTableToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
+			this.analysisTableToolStripMenuItem.Size = new System.Drawing.Size(149, 22);
 			this.analysisTableToolStripMenuItem.Text = "Analysis Table";
 			this.analysisTableToolStripMenuItem.Click += new System.EventHandler(this.analysisTableToolStripMenuItem_Click);
 			// 
@@ -256,7 +256,7 @@
 			// radarGraphToolStripMenuItem
 			// 
 			this.radarGraphToolStripMenuItem.Name = "radarGraphToolStripMenuItem";
-			this.radarGraphToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
+			this.radarGraphToolStripMenuItem.Size = new System.Drawing.Size(140, 22);
 			this.radarGraphToolStripMenuItem.Text = "Radar Graph";
 			this.radarGraphToolStripMenuItem.Click += new System.EventHandler(this.radarGraphToolStripMenuItem_Click);
 			// 
@@ -264,7 +264,7 @@
 			// 
 			this.trendGraphToolStripMenuItem.Enabled = false;
 			this.trendGraphToolStripMenuItem.Name = "trendGraphToolStripMenuItem";
-			this.trendGraphToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
+			this.trendGraphToolStripMenuItem.Size = new System.Drawing.Size(140, 22);
 			this.trendGraphToolStripMenuItem.Text = "Trend Graph";
 			this.trendGraphToolStripMenuItem.Click += new System.EventHandler(this.trendGraphToolStripMenuItem_Click);
 			// 
@@ -288,14 +288,14 @@
 			this.dockPanel.DocumentStyle = WeifenLuo.WinFormsUI.Docking.DocumentStyle.DockingWindow;
 			this.dockPanel.Location = new System.Drawing.Point(0, 49);
 			this.dockPanel.Name = "dockPanel";
-			this.dockPanel.Size = new System.Drawing.Size(947, 574);
+			this.dockPanel.Size = new System.Drawing.Size(1184, 690);
 			this.dockPanel.TabIndex = 2;
 			// 
 			// MainForm
 			// 
 			this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 12F);
 			this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-			this.ClientSize = new System.Drawing.Size(947, 645);
+			this.ClientSize = new System.Drawing.Size(1184, 761);
 			this.Controls.Add(this.dockPanel);
 			this.Controls.Add(this.statusStrip);
 			this.Controls.Add(this.toolStripMain);

MainForm.resx

@@ -166,24 +166,24 @@
   <data name="toolStripButtonRadarGraph.Image" type="System.Drawing.Bitmap, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
     <value>
         iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8
-        YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFdSURBVDhPYxh8wGfmJi6fSbtLfSfuPu85cffPyP27/hcd
+        YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFdSURBVDhPYxh8wGfmJi6fSbtLfSfuPu8xcffPyP27/hcd
-        OvI1a/uRTZlbDgtClWEHXlP2yvv2774O1PwfhlOOHvhfdeE0GBcfO/EjZeN+C6hyVACyGV0zCOedOgo3
+        PPw1a/uRTZlbDgtClWEHXlP2yvv2774O1PwfhlOOHvhfdeE0GBcfO/EjZeN+C6hyVACyGV0zCOedOgo3
-        AGZI6O4z/FBtCOA7YU8Zumbvvp1X848d/45sAAhn7Dy2AaoNAYC2X0AxYNLOBKgUQ/qOw7ORDSg6eOQr
+        AGZI6O4z/FBtCOA7YU8Zumbvvp1X848d/45sAAhn7Dy2AaoNAYC2X0AxYNLOBKgUQ/qOw7ORDSg6cPgr
-        VAoBQAGGbDNUGA5ATocZUHnu1H+oMAIgG+A1cdcVqDAE/P/PuPbBmx+7X33+v/XFp/+rn77HNMC7f8c5
+        VAoBQAGGbDNUGA5ATocZUHnu1H+oMAIgG+A1cdcVqDAE/P/PuObBmx+7X33+v/XFp/+rn77HNMC7f8c5
         mAEg7DNhVyJUiqF80/m2w2+//ofhtXdefYFKIYDPxN1FyAZA8TUwnrD7f/nmi3ADpp1+sBaqDQFCeo9x
-        gpyOZgAce0/Y9T99+cn/62+9/l5/4hYfVBsq8JmwWw6fIW69O24mzdlvAlWOHdjP388B8c6us77927+D
+        gpyOZgAce0/Y9T99+cn/62++/l5/4hYfVBsq8JmwWw6fIW69O24mzdlvAlWOHdjP388B8c6us779276D
-        8cTdZ4D8ApAcVNmgAQwMAPD6PoBbdDtHAAAAAElFTkSuQmCC
+        8cTdZ4D8ApAcVNmgAQwMANmePnUCkMyWAAAAAElFTkSuQmCC
 </value>
   </data>
   <data name="toolStripButtonTrendGraph.Image" type="System.Drawing.Bitmap, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
     <value>
         iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8
         YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAEpSURBVDhPY6A7COk9xuk1Za88lIsdBE7bKeY7aac1lIsC
-        /CbtXunbu/2fV/8uTagQJvCdtHuT78Td//2n7DSACoHB8RefxTsP3rruM2Hnbv/+/QJQYUww6eitw3Hz
+        /CbtXunbs+2fV/8uTagQJvCdtHuT78Td//2n7DSACoHB8RefxTsP3rruM2Hnbv/+/QJQYUww6eitw3Hz
-        D23d8+LDgcNvPrvaz9/PceDtZ91Dr7+sKD17Vqrq/MlAqFJMcOjNl7pNj14EVJ47ZQ/iL732vNunf8ev
+        D23d8+LDgcNvPrvaz9/PceDtZ91Dr7+sKD17Vqrq/MlAqFJMcOjNl7pNj14EVJ47ZQ/iL732vNunb/uv
         vDUnL4H45edO6FedPz0BxMYAB998DT785msOsiK/ybukAibte+IzcVc1iI/VALfeHULBk/ccb9595QCI
-        j66o8vyZgKrzx6RBbKwGgELUc+Luv74Tdi0B8TEMuHC6H+hvcIBiNQAE0nccds3YeVQMxCbLAHyKRooB
+        j66o8vyZgKrzx6RBbKwGgELUY+Luv74Tdi0B8TEMuHC6H+hvcIBiNQAE0nccds3YeVQMxCbLAHyKRooB
-        oBRWeOwYJ4hdf38/ByzaQACfHIWAgQEAN6n9aWy7jOIAAAAASUVORK5CYII=
+        oBRWeOwYJ4hdf38/ByzaQACfHIWAgQEAKbL9ZOjCSnkAAAAASUVORK5CYII=
 </value>
   </data>
   <metadata name="statusStrip.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">

PanelTrendGraph.cs

@@ -12,6 +12,7 @@ using LiveCharts;
 using LiveCharts.Wpf;
 using LiveCharts.WinForms;
 using LiveCharts.Defaults;
+using System.Windows.Media;
 
 namespace friction
 {
@@ -49,6 +50,42 @@ namespace friction
 				Title = "RPN",
 				MinValue = 0,
 				MaxValue = 10,
+
+				Sections = new SectionsCollection
+				{
+					new AxisSection
+					{
+						Value = 5,
+						SectionWidth = 5,
+						Fill = new SolidColorBrush
+						{
+							Color = System.Windows.Media.Color.FromArgb(Theme.Red.A, Theme.Red.R, Theme.Red.G, Theme.Red.B),
+							Opacity = .75
+						}
+					},
+					new AxisSection
+					{
+						//Label = "Good",
+						Value = 3,
+						SectionWidth = 2,
+						Fill = new SolidColorBrush
+						{
+							Color = System.Windows.Media.Color.FromArgb(Theme.Yellow.A, Theme.Yellow.R, Theme.Yellow.G, Theme.Yellow.B),
+							Opacity = .75
+						}
+					},
+					new AxisSection
+					{
+						//Label = "Bad",
+						Value = 0,
+						SectionWidth = 3,
+						Fill = new SolidColorBrush
+						{
+							Color = System.Windows.Media.Color.FromArgb(Theme.Green.A, Theme.Green.R, Theme.Green.G, Theme.Green.B),
+							Opacity = .75
+						}
+					}
+				}
 			});
 
 			trendChart.LegendLocation = LegendLocation.Right;
@@ -93,20 +130,33 @@ namespace friction
 					new ChartValues<ScatterPoint>(),
 					new ChartValues<ScatterPoint>() };
 
+				var Values = new List<TrendLine.POINT>();
+
 				foreach (var pnt in Chart)
 				{
 					if(pnt.TEMPERATURE < 0)
-						Points[0].Add(new ScatterPoint(pnt.HUMIDITY, pnt.RPN));
+						Points[0].Add(new ScatterPoint(pnt.HUMIDITY, pnt.RPN, 2));
 					else if(pnt.TEMPERATURE > 30)
-						Points[2].Add(new ScatterPoint(pnt.HUMIDITY, pnt.RPN));
+						Points[2].Add(new ScatterPoint(pnt.HUMIDITY, pnt.RPN, 2));
 					else
-						Points[1].Add(new ScatterPoint(pnt.HUMIDITY, pnt.RPN));
+						Points[1].Add(new ScatterPoint(pnt.HUMIDITY, pnt.RPN, 2));
+
+					Values.Add(new TrendLine.POINT { X = pnt.HUMIDITY, Y = pnt.RPN });
 				}
 
+				
+
+				Values.Sort((a, b) => (a.X == b.X) ? 0 : (a.X < b.X) ? -1 : 1);
+				TrendLine trendline = new TrendLine(Values);
+				ChartValues<ScatterPoint> TrendPoints = new ChartValues<ScatterPoint>();
+				TrendPoints.Add(new ScatterPoint(Values[0].X, trendline.GetY(Values[0].X)));
+				TrendPoints.Add(new ScatterPoint(Values[Values.Count / 2].X, trendline.GetY(Values[Values.Count / 2].X)));
+				TrendPoints.Add(new ScatterPoint(Values[Values.Count - 1].X, trendline.GetY(Values[Values.Count - 1].X)));
+
 				System.Windows.Media.SolidColorBrush[] brushes = {
-					System.Windows.Media.Brushes.DodgerBlue.Clone(),
+				System.Windows.Media.Brushes.DodgerBlue.Clone(),
-					System.Windows.Media.Brushes.Green.Clone(),
+				System.Windows.Media.Brushes.Green.Clone(),
-					System.Windows.Media.Brushes.IndianRed.Clone() };
+				System.Windows.Media.Brushes.IndianRed.Clone() };
 				foreach (var brush in brushes)
 					brush.Opacity = 0.75;
 
@@ -131,6 +181,13 @@ namespace friction
 						Values = Points[2],
 						Fill = brushes[2],
 					},
+					new LineSeries
+					{
+						Title = "Trend",
+						Values = TrendPoints,
+						PointGeometry = DefaultGeometries.None,
+						StrokeThickness = 4,
+					},
 				};
 
 
@@ -146,6 +203,7 @@ namespace friction
 				ChartValues<ScatterPoint>[] Points = {
 					new ChartValues<ScatterPoint>(),
 					new ChartValues<ScatterPoint>() };
+				var Values = new List<TrendLine.POINT>();
 
 				foreach (var pnt in Chart)
 				{
@@ -153,8 +211,17 @@ namespace friction
 						Points[0].Add(new ScatterPoint(pnt.TEMPERATURE, pnt.RPN, 2));
 					else
 						Points[1].Add(new ScatterPoint(pnt.TEMPERATURE, pnt.RPN, 2));
+
+					Values.Add(new TrendLine.POINT { X = pnt.TEMPERATURE, Y = pnt.RPN });
 				}
 
+				Values.Sort((a, b) => (a.X == b.X) ? 0 : (a.X<b.X) ? -1 : 1);
+				TrendLine trendline = new TrendLine(Values);
+				ChartValues<ScatterPoint> TrendPoints = new ChartValues<ScatterPoint>();
+				TrendPoints.Add(new ScatterPoint(Values[0].X, trendline.GetY(Values[0].X)));
+				TrendPoints.Add(new ScatterPoint(Values[Values.Count / 2].X, trendline.GetY(Values[Values.Count / 2].X)));
+				TrendPoints.Add(new ScatterPoint(Values[Values.Count - 1].X, trendline.GetY(Values[Values.Count - 1].X)));
+
 				trendChart.Series = new SeriesCollection
 				{
 					new ScatterSeries
@@ -169,6 +236,13 @@ namespace friction
 						Values = Points[1],
 						Foreground = System.Windows.Media.Brushes.DarkBlue,
 					},
+					new LineSeries
+					{
+						Title = "Trend",
+						Values = TrendPoints,
+						PointGeometry = DefaultGeometries.None,
+						StrokeThickness = 4,
+					},
 				};
 
 				dMin = Chart.Min(r => r.TEMPERATURE - 1);

TrendLine.cs

@@ -0,0 +1,99 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace friction
+{
+	public class TrendLine
+	{
+		public struct POINT
+		{
+			public float X;
+			public float Y;
+		}
+
+
+		private readonly List<POINT> AxisValues;
+		private int count;
+		private float xAxisValuesSum;
+		private float xxSum;
+		private float xySum;
+		private float yAxisValuesSum;
+
+		//public TrendLine(IList<float> xAxisValues, IList<float> yAxisValues)
+		//{
+		//	this.xAxisValues = xAxisValues;
+		//	this.yAxisValues = yAxisValues;
+			
+
+		//	this.Initialize();
+		//}
+
+		public TrendLine(List<POINT> points)
+		{
+			AxisValues = points;
+			AxisValues.Sort((POINT a, POINT b) => (a.X == b.X) ? 0 : (a.X < b.X) ? -1 : 1);
+
+			this.Initialize();
+		}
+
+		public float Slope { get; private set; }
+		public float Intercept { get; private set; }
+		public float Start { get; private set; }
+		public float End { get; private set; }
+
+		private void Initialize()
+		{
+			this.count = this.AxisValues.Count;
+			this.yAxisValuesSum = this.AxisValues.Sum(e => e.Y);
+			this.xAxisValuesSum = this.AxisValues.Sum(e => e.X);
+			this.xxSum = 0;
+			this.xySum = 0;
+
+			for (int i = 0; i < this.count; i++)
+			{
+				this.xySum += (this.AxisValues[i].X * this.AxisValues[i].Y);
+				this.xxSum += (this.AxisValues[i].X * this.AxisValues[i].X);
+			}
+
+			this.Slope = this.CalculateSlope();
+			this.Intercept = this.CalculateIntercept();
+			this.Start = this.CalculateStart();
+			this.End = this.CalculateEnd();
+		}
+
+		private float CalculateSlope()
+		{
+			try
+			{
+				return ((this.count * this.xySum) - (this.xAxisValuesSum * this.yAxisValuesSum)) / ((this.count * this.xxSum) - (this.xAxisValuesSum * this.xAxisValuesSum));
+			}
+			catch (DivideByZeroException)
+			{
+				return 0;
+			}
+		}
+
+		private float CalculateIntercept()
+		{
+			return (this.yAxisValuesSum - (this.Slope * this.xAxisValuesSum)) / this.count;
+		}
+
+		private float CalculateStart()
+		{
+			return (this.Slope * this.AxisValues.First().X) + this.Intercept;
+		}
+
+		private float CalculateEnd()
+		{
+			return (this.Slope * this.AxisValues.Last().X) + this.Intercept;
+		}
+
+		public float GetY(float fX)
+		{
+			return (this.Slope * fX) + this.Intercept;
+		}
+	}
+}

friction.csproj

@@ -110,6 +110,7 @@
       <DependentUpon>PanelMaterial.cs</DependentUpon>
     </Compile>
     <Compile Include="Theme.cs" />
+    <Compile Include="TrendLine.cs" />
     <EmbeddedResource Include="MainForm.resx">
       <DependentUpon>MainForm.cs</DependentUpon>
     </EmbeddedResource>