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头罩视野slove/头罩视野/ModbusHelper.cs

@@ -164,37 +164,80 @@ public static class ModbusHelper
     //double total = left + right - binocular;
 
 
-    //下方视野面积
-
-    public static double CalcLowerEyeArea(
-        List<double[]> eyeGroups,
-        double threshold,
-        double standardLowerArea)
+    //下方视野角度
+    /// <summary>
+    /// GB2890-2022 计算 单眼下方视野角度
+    /// eyeData：单眼72路平均数据数组
+    /// threshold：有效亮度阈值
+    /// </summary>
+    public static double CalcLowerAngle(double[] eyeData, double threshold = 10)
     {
-        // 1. 每个通道求20组平均
+        // 总72点 每点5°
+        int totalPoint = 72;
+        double perAngle = 5;
+
+        // 国标：最下方起始点位（第54号开始为正下方）
+        int startDownIndex = 54;
+
+        int validCount = 0;
+
+        // 从最下方向上 连续检测有效点
+        for (int i = 0; i < 36; i++)
+        {
+            int idx = (startDownIndex + i) % totalPoint;
+
+            if (eyeData[idx] >= threshold)
+            {
+                validCount++;
+            }
+            else
+            {
+                // 断开直接停止
+                break;
+            }
+        }
+
+        // 下方视野角度 = 有效点数 × 单步角度
+        return validCount * perAngle;
+    }
+
+
+    /// <summary>
+    /// 计算单眼72点通道平均值数组
+    /// </summary>
+    /// <param name="eyeGroups">多组采样数据集合</param>
+    /// <returns>72点通道平均值数组</returns>
+    private static double[] GetEyeAvgArray(List<double[]> eyeGroups)
+    {
+        if (eyeGroups == null || eyeGroups.Count == 0)
+            return new double[72]; // 无数据时返回全0数组
+
         double[] avg = new double[72];
+
         for (int i = 0; i < 72; i++)
         {
             double sum = 0;
-            foreach (var g in eyeGroups) sum += g[i];
+            foreach (var group in eyeGroups)
+            {
+                sum += group[i];
+            }
             avg[i] = sum / eyeGroups.Count;
         }
 
-        // 2. 只统计下半 36 个通道（下方视野）
-        int validCount = 0;
-        for (int i = 36; i < 72; i++) // 36~71 是下半区
-        {
-            if (avg[i] >= threshold)
-                validCount++;
-        }
-
-        // 3. 计算下方视野面积
-        return (validCount / 36.0) * standardLowerArea;
+        return avg;
     }
+    //下方视野计算方法
+    ////1. 先拿到左右眼 72点平均数组
+    //double[] leftAvg = GetLeftEyeAvgArray();
+    //double[] rightAvg = GetRightEyeAvgArray();
 
-    // 总下方视野面积调用
-    //double totalLower = leftLower + rightLower - binocularLower;
+    ////2. 分别算下方角度
+    //double leftLowerAngle = CalcLowerAngle(leftAvg, 10);
+    //double rightLowerAngle = CalcLowerAngle(rightAvg, 10);
 
+    ////3. 最终报告取值（国标取双眼较小值）
+    //double finalLowerAngle = Math.Min(leftLowerAngle, rightLowerAngle);
+    //bool lowerAngleOk = finalLowerAngle >= 35;
 
     //空白视野面积计算
 
@@ -236,5 +279,128 @@ public static class ModbusHelper
 
 
 
-    //double totalSaveRate = VisionCalculator.CalculateVisionSaveRate(totalVisionArea, standardTotalArea);
-}
+    // 空头模（无面罩）标定的标准面积（GB2890-2022）
+    //public static double StandardSingleEye = 5200;
+    //// 双眼总标准面积（左+右）
+    //public static double StandardTotalEye = 10400;
+    //// 双目重叠标准面积
+    ////public static double StandardBinocular = 4200;
+    //// 下方视野标准角度
+    //public static double StandardLowerAngle = 75;
+    //===== 1. 你预先标定的 空模标准面积 =====
+    // 单眼标准、总标准(左+右)、双目重叠标准
+    public static double StandardLeftEye = 5180;
+
+    public static double StandardRightEye = 5180;
+
+    public static double StandardTotal = 10360;
+
+
+    public static double StandardBinocular = 4150;
+
+    //===== 2. 传入你采集的实测面积 =====
+    // leftArea：左眼实测  rightArea：右眼实测  binArea：双目重叠实测
+    public static double CalcVisionRate(double leftArea, double rightArea)
+    {
+        // 总视野实测 = 左+右
+        double totalSi = leftArea + rightArea;
+
+        // 1. 总视野保存率
+        double ratioTotal = totalSi / StandardTotal;
+        double gammaTotal = GetVisionGamma(ratioTotal);
+        double totalRate = gammaTotal * ratioTotal * 100;
+        return (totalRate);
+    }
+
+    /// <summary>
+    /// GB2890-2022 自动获取 总视野/双目视野 校正系数γ
+    /// </summary>
+    /// <param name="ratio">实测面积/标准面积 比值(0~1)</param>
+    /// <returns>校正系数 γ</returns>
+    public static double GetVisionGamma(double ratio)
+    {
+        // X：视野残存率 Si/S0
+        double[] xData = { 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0 };
+
+        // 总视野 γ 对应值
+        double[] gammaTotal = { 1.22, 1.18, 1.14, 1.10, 1.06, 1.03, 1.02, 1.01, 1.00 };
+
+        double[] yData =  gammaTotal;
+
+        // 边界限制
+        if (ratio <= xData[0]) return yData[0];
+        if (ratio >= xData.Last()) return 1.0;
+
+        // 线性插值
+        for (int i = 0; i < xData.Length - 1; i++)
+        {
+            if (ratio >= xData[i] && ratio <= xData[i + 1])
+            {
+                double t = (ratio - xData[i]) / (xData[i + 1] - xData[i]);
+                return yData[i] + t * (yData[i + 1] - yData[i]);
+            }
+        }
+        return 1.0;
+    }
+
+    internal static double CalculateEyeArea(List<dynamic> leftEyeDataList, int v1, int v2)
+    {
+        throw new NotImplementedException();
+    }
+
+    internal static double CalcBinocularArea(List<dynamic> leftEyeDataList, List<dynamic> rightEyeDataList, int v1, int v2)
+    {
+        throw new NotImplementedException();
+    }
+
+    internal static double[] GetEyeAvgArray(List<dynamic> leftEyeDataList)
+    {
+        throw new NotImplementedException();
+    }
+
+
+    // 你算出来的实际面积
+    //double left = 4250;
+    //double right = 4320;
+    //double bin = 2860;
+
+    //// 一键算出 国标保存率
+    //var result = CalcVisionRate(left, right, bin);
+
+    //double 总视野保存率 = result.totalRate;
+    //double 双目视野保存率 = result.binRate;
+
+
+
+}
+
+    //// 1. 总视野保存率
+    //double gammaTotal = 查国标图D.4的总视野γ; 
+    //double totalRate = gammaTotal * totalArea / GlobalData.StandardTotalEye * 100;
+
+    //    // 2. 双目视野保存率
+    //    double gammaBinoc = 查国标图D.4的双目视野γ;
+    //double binocRate = gammaBinoc * binocArea / GlobalData.StandardBinocular * 100;
+
+    //// 3. 下方视野（直接比角度，不用面积）
+    //bool lowerPass = lowerAngle >= 35;
+
+
+
+//    四、关键澄清（你之前问的）
+//下方视野：国标是角度（°），不是面积
+//按左右眼视野曲线下方交点位置直接读出角度
+//合格：≥35°
+
+//总视野 = 左眼 + 右眼（国标明确）
+
+//双目视野 = 左右眼重叠部分（单独算面积）
+
+//五、最简总结（国标一句话）
+
+//总视野保存率 =（γ ×（左 + 右实测面积））/ 标准总面积 ×100%
+
+//双目视野保存率 =（γ × 重叠实测面积）/ 标准重叠面积 ×100%
+
+//下方视野：直接看角度 ≥35°
+//}