规范类名及命名空间名称

XP.ImageProcessing.Processors/检测分析/AngleMeasurementProcessor.cs

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+// ============================================================================
+// 文件� AngleMeasurementProcessor.cs
+// �述: 角度测�算� �共端点的两�直线夹角
+// 功能:
+//   - 用户定义三个点：端点(顶点)�射�终点�射�终点
+//   - 计算两�射线之间的夹角（0°~180°�
+//   - 在图�上绘制两�射线�角度弧线和标注
+// ============================================================================
+
+using Emgu.CV;
+using Emgu.CV.Structure;
+using Serilog;
+using System.Drawing;
+using XP.ImageProcessing.Core;
+
+namespace XP.ImageProcessing.Processors;
+
+public class AngleMeasurementProcessor : ImageProcessorBase
+{
+    private static readonly ILogger _logger = Log.ForContext<AngleMeasurementProcessor>();
+
+    public AngleMeasurementProcessor()
+    {
+        Name = LocalizationHelper.GetString("AngleMeasurementProcessor_Name");
+        Description = LocalizationHelper.GetString("AngleMeasurementProcessor_Description");
+    }
+
+    protected override void InitializeParameters()
+    {
+        // 三个点�标（由交互控件注入，使用 double ���整误差�
+        Parameters.Add("VX", new ProcessorParameter("VX", "VX", typeof(double), 250.0, null, null, "") { IsVisible = false });
+        Parameters.Add("VY", new ProcessorParameter("VY", "VY", typeof(double), 250.0, null, null, "") { IsVisible = false });
+        Parameters.Add("AX", new ProcessorParameter("AX", "AX", typeof(double), 100.0, null, null, "") { IsVisible = false });
+        Parameters.Add("AY", new ProcessorParameter("AY", "AY", typeof(double), 250.0, null, null, "") { IsVisible = false });
+        Parameters.Add("BX", new ProcessorParameter("BX", "BX", typeof(double), 250.0, null, null, "") { IsVisible = false });
+        Parameters.Add("BY", new ProcessorParameter("BY", "BY", typeof(double), 100.0, null, null, "") { IsVisible = false });
+    }
+
+    public override Image<Gray, byte> Process(Image<Gray, byte> inputImage)
+    {
+        double vx = GetParameter<double>("VX"), vy = GetParameter<double>("VY");
+        double ax = GetParameter<double>("AX"), ay = GetParameter<double>("AY");
+        double bx = GetParameter<double>("BX"), by = GetParameter<double>("BY");
+
+        OutputData.Clear();
+
+        // �� VA �VB
+        double vax = ax - vx, vay = ay - vy;
+        double vbx = bx - vx, vby = by - vy;
+
+        double lenA = Math.Sqrt(vax * vax + vay * vay);
+        double lenB = Math.Sqrt(vbx * vbx + vby * vby);
+
+        double angleDeg = 0;
+        if (lenA > 0.001 && lenB > 0.001)
+        {
+            double dot = vax * vbx + vay * vby;
+            double cosAngle = Math.Clamp(dot / (lenA * lenB), -1.0, 1.0);
+            angleDeg = Math.Acos(cosAngle) * 180.0 / Math.PI;
+        }
+
+        // 计算角度弧的起始角和扫过角（用于绘制弧线�
+        double angleA = Math.Atan2(vay, vax) * 180.0 / Math.PI;
+        double angleB = Math.Atan2(vby, vbx) * 180.0 / Math.PI;
+
+        // 确��angleA �angleB 的扫过方�是较�的夹�
+        double sweep = angleB - angleA;
+        if (sweep > 180) sweep -= 360;
+        if (sweep < -180) sweep += 360;
+
+        string angleText = $"{angleDeg:F2} deg";
+
+        OutputData["AngleMeasurementResult"] = true;
+        OutputData["Vertex"] = new Point((int)Math.Round(vx), (int)Math.Round(vy));
+        OutputData["PointA"] = new Point((int)Math.Round(ax), (int)Math.Round(ay));
+        OutputData["PointB"] = new Point((int)Math.Round(bx), (int)Math.Round(by));
+        OutputData["AngleDeg"] = angleDeg;
+        OutputData["ArcStartAngle"] = angleA;
+        OutputData["ArcSweepAngle"] = sweep;
+        OutputData["AngleText"] = angleText;
+
+        _logger.Information("AngleMeasurement: Angle={Angle}, V=({VX},{VY}), A=({AX},{AY}), B=({BX},{BY})",
+            angleText, vx, vy, ax, ay, bx, by);
+
+        return inputImage.Clone();
+    }
+}