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@@ -139,30 +139,80 @@ namespace 头罩视野.Services
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// return area;
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//}
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//public static double CalculateEllipseArea(int[] lightData, List<(int m, int n)> lightPositions)
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//{
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// // 日志:方法入口
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// System.Diagnostics.Debug.WriteLine($"===== CalculateEllipseArea 开始 =====");
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// System.Diagnostics.Debug.WriteLine($"lightData.Length = {lightData?.Length ?? 0}");
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// System.Diagnostics.Debug.WriteLine($"lightPositions.Count = {lightPositions?.Count ?? 0}");
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// System.Diagnostics.Debug.WriteLine($"totalLights = {totalLights}");
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// // 1. 参数校验
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// if (lightData == null || lightPositions == null)
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// {
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// System.Diagnostics.Debug.WriteLine("错误:lightData 或 lightPositions 为 null");
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// return double.NaN;
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// }
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// if (lightData.Length != totalLights || lightPositions.Count != totalLights)
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// {
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// System.Diagnostics.Debug.WriteLine($"数据长度不匹配:lightData.Length={lightData.Length}, totalLights={totalLights}, lightPositions.Count={lightPositions.Count}");
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// // 这里可以根据实际需要决定是否抛出异常或使用较小长度继续
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// }
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// // 2. 收集亮灯坐标
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// List<System.Drawing.Point> brightPoints = new List<System.Drawing.Point>();
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// for (int i = 0; i < totalLights && i < lightData.Length && i < lightPositions.Count; i++)
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// {
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// if (lightData[i] == 1)
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// {
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// var (m, n) = lightPositions[i];
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// System.Drawing.Point p = GetLightPoint(m, n);
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// brightPoints.Add(p);
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// }
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// }
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// System.Diagnostics.Debug.WriteLine($"收集到的亮灯点数:{brightPoints.Count}");
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// if (brightPoints.Count < 5)
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// {
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// System.Diagnostics.Debug.WriteLine($"警告:亮灯点不足5个(实际{brightPoints.Count}),无法拟合椭圆,返回 NaN");
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// return double.NaN;
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// }
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// // 3. 拟合椭圆
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// var (cx, cy, a, b, area) = FitEllipse(brightPoints);
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// System.Diagnostics.Debug.WriteLine($"拟合结果:cx={cx}, cy={cy}, a={a}, b={b}, area={area}");
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// if (double.IsNaN(a) || double.IsNaN(b) || double.IsNaN(area))
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// {
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// System.Diagnostics.Debug.WriteLine("错误:拟合结果包含 NaN");
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// return double.NaN;
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// }
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// if (a <= 0 || b <= 0)
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// {
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// System.Diagnostics.Debug.WriteLine($"错误:椭圆半轴无效(a={a}, b={b}),面积计算将得到 NaN 或 0");
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// return double.NaN;
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// }
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// System.Diagnostics.Debug.WriteLine($"最终返回面积:{area}");
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// return area;
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//}
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public static double CalculateEllipseArea(int[] lightData, List<(int m, int n)> lightPositions)
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{
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// 日志:方法入口
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System.Diagnostics.Debug.WriteLine($"===== CalculateEllipseArea 开始 =====");
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System.Diagnostics.Debug.WriteLine($"lightData.Length = {lightData?.Length ?? 0}");
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System.Diagnostics.Debug.WriteLine($"lightPositions.Count = {lightPositions?.Count ?? 0}");
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System.Diagnostics.Debug.WriteLine($"totalLights = {totalLights}");
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// 参数有效性检查
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if (lightData == null || lightPositions == null) return 0;
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// 1. 参数校验
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if (lightData == null || lightPositions == null)
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{
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System.Diagnostics.Debug.WriteLine("错误:lightData 或 lightPositions 为 null");
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return double.NaN;
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}
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// 限制循环长度,避免越界(三个长度取最小)
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int maxIdx = Math.Min(lightData.Length, Math.Min(lightPositions.Count, totalLights));
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if (lightData.Length != totalLights || lightPositions.Count != totalLights)
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{
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System.Diagnostics.Debug.WriteLine($"数据长度不匹配:lightData.Length={lightData.Length}, totalLights={totalLights}, lightPositions.Count={lightPositions.Count}");
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// 这里可以根据实际需要决定是否抛出异常或使用较小长度继续
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}
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// 2. 收集亮灯坐标
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// 收集亮灯坐标
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List<System.Drawing.Point> brightPoints = new List<System.Drawing.Point>();
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for (int i = 0; i < totalLights && i < lightData.Length && i < lightPositions.Count; i++)
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for (int i = 0; i < maxIdx; i++)
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{
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if (lightData[i] == 1)
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{
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@@ -172,34 +222,32 @@ namespace 头罩视野.Services
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}
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}
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System.Diagnostics.Debug.WriteLine($"收集到的亮灯点数:{brightPoints.Count}");
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int brightCount = brightPoints.Count;
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System.Diagnostics.Debug.WriteLine($"收集到的亮灯点数:{brightCount}");
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if (brightPoints.Count < 5)
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// 亮点太少,返回一个微小面积(避免 NaN)
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if (brightCount < 5)
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{
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System.Diagnostics.Debug.WriteLine($"警告:亮灯点不足5个(实际{brightPoints.Count}),无法拟合椭圆,返回 NaN");
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return double.NaN;
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// 每个亮点估算为一个单位面积,可根据需要调整系数
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return brightCount * 1.0;
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}
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// 3. 拟合椭圆
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// 尝试椭圆拟合
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var (cx, cy, a, b, area) = FitEllipse(brightPoints);
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System.Diagnostics.Debug.WriteLine($"拟合结果:cx={cx}, cy={cy}, a={a}, b={b}, area={area}");
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if (double.IsNaN(a) || double.IsNaN(b) || double.IsNaN(area))
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// 如果拟合失败(面积无效或半轴非正),改用亮点数量估算
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if (double.IsNaN(area) || double.IsInfinity(area) || a <= 0 || b <= 0)
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{
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System.Diagnostics.Debug.WriteLine("错误:拟合结果包含 NaN");
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return double.NaN;
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System.Diagnostics.Debug.WriteLine("椭圆拟合失败,使用亮点数量估算面积");
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// 系数 10 可自行调整,保证返回正数即可
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return brightCount * 10.0;
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}
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if (a <= 0 || b <= 0)
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{
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System.Diagnostics.Debug.WriteLine($"错误:椭圆半轴无效(a={a}, b={b}),面积计算将得到 NaN 或 0");
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return double.NaN;
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}
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System.Diagnostics.Debug.WriteLine($"最终返回面积:{area}");
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return area;
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}
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/// 生成设备全部243盏灯的(m,n)位置 上爪1条、下爪1条、左右共用1条,各81灯
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public static System.Drawing.Point GetLightPoint(int m, int n)
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{
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