张世豪
4 天以前 87d7cf316e983b0398b270de03a8092412af8487
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package bianjie;
 
import java.util.ArrayList;
import java.util.List;
 
import zhuye.Coordinate;
 
public class bianjieguihua2 {
    /**
     * 自动处理Coordinate列表并生成优化后的边界坐标(无需传入间隔和角度阈值)
     * 
     * @param coordinates Coordinate对象列表
     * @param baseStation 基准站坐标,格式:"纬度,N/S,经度,E/W" 例如:"2324.194945,N,11330.938547,E"
     * @return 优化后的边界坐标字符串,格式:"X0,Y0;X1,Y1;X2,Y2;..."
     */
    public static String processCoordinateListAuto(String baseStation) {
        List<Coordinate> coordinates =Coordinate.coordinates;
        try {
            // 检查输入数据
            if (coordinates == null || coordinates.isEmpty()) {
                throw new IllegalArgumentException("坐标列表不能为空");
            }
            
            if (baseStation == null || baseStation.trim().isEmpty()) {
                throw new IllegalArgumentException("基站坐标不能为空");
            }
            
            // 解析基准站坐标
            String[] baseParts = baseStation.split(",");
            if (baseParts.length != 4) {
                throw new IllegalArgumentException("基准站坐标格式错误,应为: 纬度,N/S,经度,E/W");
            }
            
            double baseLat = parseDMToDecimal(baseParts[0], baseParts[1]);
            double baseLon = parseDMToDecimal(baseParts[2], baseParts[3]);
            
            // 将Coordinate列表转换为局部坐标系坐标
            List<BoundaryAlgorithm.Coordinate> localCoordinates = 
                convertToLocalCoordinates(coordinates, baseLat, baseLon);
 
            // 三角形小区域特殊处理,避免过度插值导致点数扩增
            if (localCoordinates.size() == 3) {
                double triangleArea = calculatePolygonArea(localCoordinates);
                double trianglePerimeter = calculatePerimeter(localCoordinates);
 
                System.out.println("检测到三角形边界,面积=" + String.format("%.2f", triangleArea) +
                        "m², 周长=" + String.format("%.2f", trianglePerimeter) + "m");
 
                if (triangleArea < 100.0 || trianglePerimeter < 30.0) {
                    System.out.println("小三角形,跳过插值优化");
                    BoundaryAlgorithm.Coordinate firstPoint = localCoordinates.get(0);
                    List<BoundaryAlgorithm.Coordinate> trianglePoints = new ArrayList<>(localCoordinates);
                    trianglePoints.add(new BoundaryAlgorithm.Coordinate(
                            firstPoint.x,
                            firstPoint.y,
                            firstPoint.lat,
                            firstPoint.lon));
                    return convertBoundaryPointsToString(trianglePoints);
                }
            }
            
            // 创建算法实例
            BoundaryAlgorithm algorithm = new BoundaryAlgorithm();
            
            // 自动场景分析(增强版,使用高程数据)
            BoundaryAlgorithm.SceneAnalysis sceneAnalysis = analyzeSceneFromCoordinates(localCoordinates, coordinates);
            System.out.println("自动场景分析结果:");
            System.out.println(sceneAnalysis.toString());
            
            // 根据场景分析结果获取参数
            BoundaryAlgorithm.BoundaryParameters params = 
                algorithm.getParametersForPreset(sceneAnalysis.suggestedPreset);
            
            System.out.println("自动选择的参数: 间隔=" + params.interval + "米, 角度阈值=" + 
                              params.angleThreshold + "度");
            
            // 使用优化算法处理边界
            List<BoundaryAlgorithm.Coordinate> optimizedPoints = 
                algorithm.optimizeBoundaryPointsAdvanced(localCoordinates, params);
            
            // 质量评估
            BoundaryAlgorithm.BoundaryQuality boundaryQuality = 
                algorithm.evaluateBoundaryQuality(optimizedPoints);
            
            System.out.println("边界质量评估结果:");
            System.out.println(boundaryQuality.toString());
            
            // 转换为输出字符串格式
            return convertBoundaryPointsToString(optimizedPoints);
            
        } catch (Exception e) {
            throw new RuntimeException("自动处理坐标列表时发生错误: " + e.getMessage(), e);
        }
    }
 
    /**
     * 基于坐标列表进行场景分析(增强版,使用高程数据)
     */
    private static BoundaryAlgorithm.SceneAnalysis analyzeSceneFromCoordinates(
            List<BoundaryAlgorithm.Coordinate> localCoords, List<Coordinate> originalCoords) {
        
        BoundaryAlgorithm.SceneAnalysis analysis = new BoundaryAlgorithm.SceneAnalysis();
        
        if (localCoords.size() < 3) {
            analysis.suggestedPreset = "复杂小区域";
            return analysis;
        }
        
        // 计算基本统计信息
        calculateBasicStatisticsFromCoordinates(localCoords, analysis);
        
        // 计算边界复杂度
        calculateBoundaryComplexityFromCoordinates(localCoords, analysis);
        
        // 计算高程变化(使用原始坐标的高程数据)
        calculateElevationStatistics(originalCoords, analysis);
        
        // 自动选择预设场景(增强版,考虑高程因素)
        selectPresetAutomaticallyFromCoordinates(analysis);
        
        return analysis;
    }
 
    /**
     * 从坐标计算基本统计信息
     */
    private static void calculateBasicStatisticsFromCoordinates(
            List<BoundaryAlgorithm.Coordinate> points, BoundaryAlgorithm.SceneAnalysis analysis) {
        
        // 计算总距离
        analysis.totalDistance = 0;
        for (int i = 1; i < points.size(); i++) {
            analysis.totalDistance += calculateDistance(points.get(i-1), points.get(i));
        }
        
        // 计算面积
        analysis.area = calculatePolygonArea(points);
        
        // 计算平均速度 (假设时间间隔为1秒)
        if (points.size() > 1) {
            analysis.avgSpeed = analysis.totalDistance / (points.size() - 1);
        } else {
            analysis.avgSpeed = 0;
        }
    }
 
    /**
     * 计算高程统计信息
     */
    private static void calculateElevationStatistics(List<Coordinate> coordinates, 
                                                   BoundaryAlgorithm.SceneAnalysis analysis) {
        if (coordinates == null || coordinates.isEmpty()) {
            analysis.elevationRange = 0;
            return;
        }
        
        double minElevation = Double.MAX_VALUE;
        double maxElevation = Double.MIN_VALUE;
        
        for (Coordinate coord : coordinates) {
            double elevation = coord.getElevation();
            if (elevation < minElevation) minElevation = elevation;
            if (elevation > maxElevation) maxElevation = elevation;
        }
        
        analysis.elevationRange = maxElevation - minElevation;
        
        // 计算平均高程
        double sumElevation = 0;
        for (Coordinate coord : coordinates) {
            sumElevation += coord.getElevation();
        }
        double avgElevation = sumElevation / coordinates.size();
        
        System.out.println("高程统计: 范围=" + String.format("%.2f", analysis.elevationRange) + 
                          "米, 平均=" + String.format("%.2f", avgElevation) + "米");
    }
 
    /**
     * 从坐标计算边界复杂度
     */
    private static void calculateBoundaryComplexityFromCoordinates(
            List<BoundaryAlgorithm.Coordinate> points, BoundaryAlgorithm.SceneAnalysis analysis) {
        
        if (points.size() < 3) {
            analysis.complexity = 0;
            return;
        }
        
        double totalAngleChange = 0;
        int angleCount = 0;
        
        for (int i = 1; i < points.size() - 1; i++) {
            double angleChange = Math.abs(calculateAngleChange(
                points.get(i-1), points.get(i), points.get(i+1)
            ));
            totalAngleChange += angleChange;
            angleCount++;
        }
        
        // 复杂度基于角度变化和边界长度
        double avgAngleChange = angleCount > 0 ? totalAngleChange / angleCount : 0;
        
        // 标准化复杂度 (0-1范围)
        analysis.complexity = Math.min(1.0, avgAngleChange / 45.0); // 45度作为高复杂度阈值
    }
 
    /**
     * 从坐标自动选择预设场景(增强版,考虑高程因素)
     */
    private static void selectPresetAutomaticallyFromCoordinates(BoundaryAlgorithm.SceneAnalysis analysis) {
        // 决策逻辑基于多个因素
        double areaWeight = 0.4;
        double complexityWeight = 0.3;
        double elevationWeight = 0.3; // 增加高程权重
        
        // 计算综合得分
        double score = 0;
        
        // 面积因素:面积越大,越适合大间隔
        double areaScore = Math.min(1.0, analysis.area / 1000.0); // 1000平方米为基准
        score += areaScore * areaWeight;
        
        // 复杂度因素:复杂度越高,越需要小间隔
        double complexityScore = analysis.complexity;
        score += complexityScore * complexityWeight;
        
        // 高程因素:高程变化越大,越需要精细处理
        double elevationScore = Math.min(1.0, analysis.elevationRange / 20.0); // 20米变化为基准
        score += elevationScore * elevationWeight;
        
        // 根据得分选择预设
        if (score < 0.3) {
            analysis.suggestedPreset = "平坦大区域";
        } else if (score < 0.6) {
            analysis.suggestedPreset = "常规区域";
        } else {
            analysis.suggestedPreset = "复杂小区域";
        }
        
        System.out.println("自动场景选择得分: " + String.format("%.2f", score) + " -> " + analysis.suggestedPreset);
    }
 
    /**
     * 计算两点间距离
     */
    private static double calculateDistance(BoundaryAlgorithm.Coordinate p1, BoundaryAlgorithm.Coordinate p2) {
        double dx = p2.x - p1.x;
        double dy = p2.y - p1.y;
        return Math.sqrt(dx * dx + dy * dy);
    }
 
    /**
     * 计算角度变化
     */
    private static double calculateAngleChange(BoundaryAlgorithm.Coordinate prev, 
                                             BoundaryAlgorithm.Coordinate current, 
                                             BoundaryAlgorithm.Coordinate next) {
        double angle1 = Math.atan2(current.y - prev.y, current.x - prev.x);
        double angle2 = Math.atan2(next.y - current.y, next.x - current.x);
        
        double angleChange = Math.toDegrees(angle2 - angle1);
        
        // 规范化角度到 [-180, 180]
        while (angleChange > 180) angleChange -= 360;
        while (angleChange < -180) angleChange += 360;
        
        return angleChange;
    }
 
    /**
     * 计算多边形面积
     */
    private static double calculatePolygonArea(List<BoundaryAlgorithm.Coordinate> points) {
        if (points.size() < 3) return 0.0;
        
        double area = 0.0;
        int n = points.size();
        
        for (int i = 0; i < n; i++) {
            BoundaryAlgorithm.Coordinate current = points.get(i);
            BoundaryAlgorithm.Coordinate next = points.get((i + 1) % n);
            area += (current.x * next.y - next.x * current.y);
        }
        
        return Math.abs(area) / 2.0;
    }
 
    private static double calculatePerimeter(List<BoundaryAlgorithm.Coordinate> points) {
        if (points == null || points.size() != 3) {
            return 0.0;
        }
        double d1 = calculateDistance(points.get(0), points.get(1));
        double d2 = calculateDistance(points.get(1), points.get(2));
        double d3 = calculateDistance(points.get(2), points.get(0));
        return d1 + d2 + d3;
    }
    
    // ============ 其他方法保持不变 ============
    
    /**
     * 将度分格式坐标转换为十进制度格式
     */
    private static double parseDMToDecimal(String dmCoord, String direction) {
        try {
            if (dmCoord == null || dmCoord.isEmpty()) {
                return 0;
            }
            
            int dotIndex = dmCoord.indexOf('.');
            if (dotIndex < 2) {
                return 0;
            }
            
            // 提取度部分和分部分
            int degrees = Integer.parseInt(dmCoord.substring(0, dotIndex - 2));
            double minutes = Double.parseDouble(dmCoord.substring(dotIndex - 2));
            
            // 转换为十进制度
            double decimal = degrees + minutes / 60.0;
            
            // 根据方向调整正负
            if ("S".equals(direction) || "W".equals(direction)) {
                decimal = -decimal;
            }
            
            return decimal;
            
        } catch (Exception e) {
            throw new IllegalArgumentException("度分坐标解析错误: " + dmCoord, e);
        }
    }
    
    /**
     * 将Coordinate列表转换为局部坐标系坐标
     */
    private static List<BoundaryAlgorithm.Coordinate> convertToLocalCoordinates(
            List<Coordinate> coordinates, double baseLat, double baseLon) {
        
        List<BoundaryAlgorithm.Coordinate> localCoords = new ArrayList<>();
        
        for (Coordinate coord : coordinates) {
            try {
                // 解析度分格式坐标为十进制度
                double lat = parseDMToDecimal(coord.getLatitude(), coord.getLatDirection());
                double lon = parseDMToDecimal(coord.getLongitude(), coord.getLonDirection());
                
                // 转换为局部坐标系
                BoundaryAlgorithm.Coordinate localCoord = 
                    convertToLocalCoordinate(lat, lon, baseLat, baseLon);
                
                localCoords.add(localCoord);
                
            } catch (Exception e) {
                System.err.println("坐标转换失败: " + coord + ", 错误: " + e.getMessage());
            }
        }
        
        return localCoords;
    }
    
    /**
     * 将经纬度坐标转换为局部坐标系
     */
    private static BoundaryAlgorithm.Coordinate convertToLocalCoordinate(
            double lat, double lon, double baseLat, double baseLon) {
        
        double earthRadius = 6371000; // 地球半径(米)
        
        // 计算北方向距离
        double deltaLat = lat - baseLat;
        double northDistance = deltaLat * Math.PI / 180.0 * earthRadius;
        
        // 计算东方向距离(考虑纬度对经度距离的影响)
        double deltaLon = lon - baseLon;
        double eastDistance = deltaLon * Math.PI / 180.0 * earthRadius * Math.cos(baseLat * Math.PI / 180.0);
        
        return new BoundaryAlgorithm.Coordinate(eastDistance, northDistance, lat, lon);
    }
    
    /**
     * 将边界点列表转换为字符串格式
     */
    private static String convertBoundaryPointsToString(List<BoundaryAlgorithm.Coordinate> points) {
        if (points == null || points.isEmpty()) {
            return "";
        }
        
        StringBuilder coordinatesBuilder = new StringBuilder();
        for (int i = 0; i < points.size(); i++) {
            BoundaryAlgorithm.Coordinate point = points.get(i);
            coordinatesBuilder.append(String.format("%.2f,%.2f", point.x, point.y));
            if (i < points.size() - 1) {
                coordinatesBuilder.append(";");
            }
        }
        
        return coordinatesBuilder.toString();
    }
    
//  // ============ 测试方法 ============
//  
//  /**
//   * 测试方法
//   */
//  public static void main(String[] args) {
//      try {
//          // 创建测试Coordinate列表(包含高程数据)
//          int count = Coordinate.loadFromGNGGAFile();
//          List<Coordinate> coordinateList=Coordinate.coordinates;
//          
//          // 设置基准站坐标
//          String baseStation = "3949.91202005,N,11616.85440851,E";
//          
//          // 调用自动处理方法
//          String result = bianjieguihua2.processCoordinateListAuto(coordinateList, baseStation);
//          
//          System.out.println("自动处理的边界点坐标结果: " + result);
//          
//      } catch (Exception e) {
//          System.err.println("处理失败: " + e.getMessage());
//          e.printStackTrace();
//      }
//  }
}