279 lines
15 KiB
C#
279 lines
15 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text.RegularExpressions;
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using System.Windows.Forms;
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using System.Windows.Forms.Integration;
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using Autodesk.AutoCAD.ApplicationServices;
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using Autodesk.AutoCAD.Colors;
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using Autodesk.AutoCAD.DatabaseServices;
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using Autodesk.AutoCAD.EditorInput;
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using Autodesk.AutoCAD.Geometry;
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using Autodesk.AutoCAD.Runtime;
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using Autodesk.AutoCAD.Windows;
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using Szmedi.CADkits;
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using Application = Autodesk.AutoCAD.ApplicationServices.Application;
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public class TerrainTools
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{
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private static PaletteSet ps;
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public const string CheckLineLayer = "校对线";
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[CommandMethod("MoveTerrainElevation")]
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public void MoveTerrainElevation()
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{
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Document doc = Application.DocumentManager.MdiActiveDocument;
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if (doc == null) return;
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Database db = doc.Database;
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Editor ed = doc.Editor;
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try
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{
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// --- Phase 1: User Input ---
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#region User Input Section
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string targetBlockName; string blockLayerName; string textLayerName; double maxDistance = 5.0;
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using (Transaction tr = db.TransactionManager.StartTransaction()) { PromptEntityOptions peoBlock = new PromptEntityOptions("\n请选择一个样例地形点块 (用于确定块名和图层): "); peoBlock.SetRejectMessage("\n选择的不是块参照。"); peoBlock.AddAllowedClass(typeof(BlockReference), true); PromptEntityResult perBlock = ed.GetEntity(peoBlock); if (perBlock.Status != PromptStatus.OK) { ed.WriteMessage("\n操作已取消。"); return; } BlockReference sampleBlockRef = (BlockReference)tr.GetObject(perBlock.ObjectId, OpenMode.ForRead); targetBlockName = sampleBlockRef.IsDynamicBlock ? ((BlockTableRecord)tr.GetObject(sampleBlockRef.DynamicBlockTableRecord, OpenMode.ForRead)).Name : sampleBlockRef.Name; blockLayerName = sampleBlockRef.Layer; ed.WriteMessage($"\n已选择样例块: '{targetBlockName}', 所在图层: '{blockLayerName}'"); tr.Commit(); }
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using (Transaction tr = db.TransactionManager.StartTransaction()) { PromptEntityOptions peoText = new PromptEntityOptions("\n请选择一个样例标高文字 (用于确定图层): "); peoText.SetRejectMessage("\n选择的不是 MText 或 DBText。"); peoText.AddAllowedClass(typeof(MText), true); peoText.AddAllowedClass(typeof(DBText), true); PromptEntityResult perText = ed.GetEntity(peoText); if (perText.Status != PromptStatus.OK) { ed.WriteMessage("\n操作已取消。"); return; } Entity sampleTextEnt = (Entity)tr.GetObject(perText.ObjectId, OpenMode.ForRead); textLayerName = sampleTextEnt.Layer; ed.WriteMessage($"\n已选择样例文字，所在图层: '{textLayerName}'"); tr.Commit(); }
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PromptDoubleOptions pdo = new PromptDoubleOptions($"\n请输入查找标高文字的最大距离(图形单位) <{maxDistance}>: "); pdo.AllowNegative = false; pdo.AllowZero = false; pdo.AllowNone = true; pdo.DefaultValue = maxDistance; PromptDoubleResult pdr = ed.GetDouble(pdo); if (pdr.Status != PromptStatus.OK && pdr.Status != PromptStatus.None) { ed.WriteMessage("\n操作已取消。"); return; }
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if (pdr.Status == PromptStatus.OK) maxDistance = pdr.Value; ed.WriteMessage($"\n最大匹配距离设置为: {maxDistance}");
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#endregion
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// --- Phase 2: Automatic Matching ---
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List<BlockRefWithPosition> terrainBlocks;
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List<TextWithPosition> elevationTexts;
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Dictionary<ObjectId, ObjectId> validPairs;
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int updatedCount = 0;
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using (Transaction tr = db.TransactionManager.StartTransaction())
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{
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BlockTableRecord btr = (BlockTableRecord)tr.GetObject(db.CurrentSpaceId, OpenMode.ForWrite);
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terrainBlocks = CollectBlocks(tr, btr, targetBlockName, blockLayerName);
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if (terrainBlocks.Count == 0) { ed.WriteMessage($"\n错误: 在图层 '{blockLayerName}' 上未找到名为 '{targetBlockName}' 的块。"); return; }
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elevationTexts = CollectFilteredTexts(tr, btr, textLayerName);
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if (elevationTexts.Count == 0) { ed.WriteMessage($"\n警告: 在图层 '{textLayerName}' 上未找到任何有效的标高文字。"); tr.Commit(); return; }
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ed.WriteMessage($"\n正在使用贪婪匹配算法分析 {terrainBlocks.Count} 个块...");
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validPairs = GetScoredValidPairs(terrainBlocks, elevationTexts, maxDistance);
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ed.WriteMessage($"\n分析完成。找到 {validPairs.Count} 个最优匹配对。");
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if (validPairs.Count > 0)
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{
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CreateLayerIfNotExists(db, tr, CheckLineLayer, 8);
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ProgressMeter pm = new ProgressMeter();
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pm.SetLimit(validPairs.Count);
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pm.Start("正在更新已自动匹配的块...");
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var textDataMap = elevationTexts.ToDictionary(t => t.ObjectId, t => t);
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foreach (var pair in validPairs)
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{
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if (double.TryParse(textDataMap[pair.Value].TextContent, out double elevationZ))
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{
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BlockReference blockRef = (BlockReference)tr.GetObject(pair.Key, OpenMode.ForWrite);
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blockRef.Position = new Point3d(blockRef.Position.X, blockRef.Position.Y, elevationZ);
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Line line = new Line(blockRef.Position, textDataMap[pair.Value].Position);
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line.Layer = CheckLineLayer;
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line.ColorIndex = 256;
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btr.AppendEntity(line);
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tr.AddNewlyCreatedDBObject(line, true);
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updatedCount++;
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}
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}
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pm.Stop();
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}
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tr.Commit();
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}
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// --- Phase 3: Reporting and Launching Review Palette ---
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ed.WriteMessage($"\n\n--- 自动处理报告 ---\n成功自动更新 {updatedCount} 个块。\n{terrainBlocks.Count - updatedCount} 个块需要审核。");
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if (terrainBlocks.Count > 0)
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{
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if (ps == null) { ps = new PaletteSet("审核并校对高程点", new Guid("C4E61D33-3162-4889-A263-6A1D2C52D26C")); }
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if (ps.Count > 0) { ps.Remove(0); }
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var reviewControl = new ReviewAndMatchWindow(terrainBlocks, validPairs, elevationTexts, CheckLineLayer, ps);
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ElementHost host = new ElementHost { Dock = DockStyle.Fill, Child = reviewControl };
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ps.Add("ReviewAndMatch", host);
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ps.Visible = true;
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}
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}
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catch (System.Exception ex) { ed.WriteMessage($"\n发生严重错误: {ex.Message}\n{ex.StackTrace}"); }
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}
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private Dictionary<ObjectId, ObjectId> GetScoredValidPairs(List<BlockRefWithPosition> blocks, List<TextWithPosition> texts, double maxDist)
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{
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// 1. 预先计算每个文字的竞争情况
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var textCompetition = new Dictionary<ObjectId, double>();
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foreach (var text in texts)
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{
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var distancesToBlocks = blocks
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.Select(b => new Point2d(b.Position.X, b.Position.Y).GetDistanceTo(new Point2d(text.Position.X, text.Position.Y)))
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.OrderBy(d => d)
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.ToList();
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if (distancesToBlocks.Count >= 2)
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{
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double d1 = distancesToBlocks[0]; // 最近距离
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double d2 = distancesToBlocks[1]; // 次近距离
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// 竞争度比率：d1/d2越小，说明越没有争议。范围 [0, 1]
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textCompetition[text.ObjectId] = (d2 > 0.001) ? (d1 / d2) : 1.0;
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}
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else
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{
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textCompetition[text.ObjectId] = 0.0; // 只有一个块，没有竞争
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}
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}
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// 2. 计算所有可能配对的综合得分
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var allPossiblePairs = new List<Tuple<ObjectId, ObjectId, double>>(); // BlockId, TextId, Score
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foreach (var block in blocks)
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{
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foreach (var text in texts)
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{
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double dist = new Point2d(block.Position.X, block.Position.Y)
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.GetDistanceTo(new Point2d(text.Position.X, text.Position.Y));
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if (dist <= maxDist)
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{
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// 距离分：距离越小，分数越高。用 1/dist 标准化
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double distanceScore = 1.0 / (dist + 0.001); // 加一个小数防止除以0
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// 唯一性分：竞争度越小（比率越小），分数越高
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double uniquenessScore = 1.0 - textCompetition[text.ObjectId]; // 范围 [0, 1]
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// **综合得分 = 70% 距离分 + 30% 唯一性分**
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double finalScore = 0.7 * distanceScore + 0.3 * uniquenessScore * distanceScore; // 让唯一性也受距离影响
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allPossiblePairs.Add(new Tuple<ObjectId, ObjectId, double>(block.ObjectId, text.ObjectId, finalScore));
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}
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}
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}
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// 3. 按综合得分从高到低排序
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var sortedPairs = allPossiblePairs.OrderByDescending(p => p.Item3).ToList();
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// 4. 贪婪匹配最高分的
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var validPairs = new Dictionary<ObjectId, ObjectId>();
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var matchedBlocks = new HashSet<ObjectId>();
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var matchedTexts = new HashSet<ObjectId>();
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foreach (var pair in sortedPairs)
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{
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ObjectId blockId = pair.Item1;
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ObjectId textId = pair.Item2;
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if (!matchedBlocks.Contains(blockId) && !matchedTexts.Contains(textId))
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{
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validPairs.Add(blockId, textId);
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matchedBlocks.Add(blockId);
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matchedTexts.Add(textId);
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}
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}
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return validPairs;
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}
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public static void CleanAllCheckLines()
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{
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Document doc = Application.DocumentManager.MdiActiveDocument;
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if (doc == null) return;
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Database db = doc.Database;
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Editor ed = doc.Editor;
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int cleanedCount = 0;
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using (doc.LockDocument())
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using (Transaction tr = db.TransactionManager.StartTransaction())
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{
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try
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{
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LayerTable lt = (LayerTable)tr.GetObject(db.LayerTableId, OpenMode.ForRead);
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if (!lt.Has(CheckLineLayer))
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{
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ed.WriteMessage($"\n图层 '{CheckLineLayer}' 不存在，无需清理。");
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return;
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}
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LayerTableRecord layer = (LayerTableRecord)tr.GetObject(lt[CheckLineLayer], OpenMode.ForRead);
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if (layer.IsLocked)
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{
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layer.UpgradeOpen();
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layer.IsLocked = false;
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}
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BlockTableRecord btr = (BlockTableRecord)tr.GetObject(db.CurrentSpaceId, OpenMode.ForRead);
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foreach (ObjectId id in btr)
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{
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if (id.ObjectClass.DxfName.Equals("LINE", StringComparison.OrdinalIgnoreCase))
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{
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Line line = tr.GetObject(id, OpenMode.ForRead) as Line;
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if (line != null && line.Layer.Equals(CheckLineLayer, StringComparison.OrdinalIgnoreCase))
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{
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line.UpgradeOpen();
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line.Erase();
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cleanedCount++;
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}
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}
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}
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tr.Commit();
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ed.WriteMessage($"\n已清理 {cleanedCount} 条校对线。");
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ed.Regen();
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}
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catch (System.Exception ex)
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{
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ed.WriteMessage($"\n清理时发生错误: {ex.Message}");
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tr.Abort();
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}
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}
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}
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/// <summary>
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/// Implements a greedy algorithm to find the best one-to-one block/text pairings.
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/// </summary>
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private Dictionary<ObjectId, ObjectId> GetGreedyValidPairs(List<BlockRefWithPosition> blocks, List<TextWithPosition> texts, double maxDist)
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{
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// 1. Create a list of all possible pairs within the max distance
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var allPossiblePairs = new List<Tuple<ObjectId, ObjectId, double>>();
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foreach (var block in blocks)
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{
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foreach (var text in texts)
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{
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double dist = new Point2d(block.Position.X, block.Position.Y)
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.GetDistanceTo(new Point2d(text.Position.X, text.Position.Y));
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if (dist <= maxDist)
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{
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allPossiblePairs.Add(new Tuple<ObjectId, ObjectId, double>(block.ObjectId, text.ObjectId, dist));
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}
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}
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}
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// 2. Sort all pairs by distance, ascending
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var sortedPairs = allPossiblePairs.OrderBy(p => p.Item3).ToList();
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// 3. Iterate and match, ensuring one-to-one mapping
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var validPairs = new Dictionary<ObjectId, ObjectId>();
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var matchedBlocks = new HashSet<ObjectId>();
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var matchedTexts = new HashSet<ObjectId>();
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foreach (var pair in sortedPairs)
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{
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ObjectId blockId = pair.Item1;
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ObjectId textId = pair.Item2;
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// If neither the block nor the text has been matched yet, it's a valid pair
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if (!matchedBlocks.Contains(blockId) && !matchedTexts.Contains(textId))
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{
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validPairs.Add(blockId, textId);
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matchedBlocks.Add(blockId);
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matchedTexts.Add(textId);
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}
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}
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return validPairs;
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}
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#region Other Helper Methods (Unchanged)
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private List<BlockRefWithPosition> CollectBlocks(Transaction tr, BlockTableRecord btr, string targetBlockName, string blockLayerName) { var list = new List<BlockRefWithPosition>(); foreach (ObjectId id in btr) if (id.ObjectClass.IsDerivedFrom(RXObject.GetClass(typeof(BlockReference)))) { var br = (BlockReference)tr.GetObject(id, OpenMode.ForRead); string name = br.IsDynamicBlock ? ((BlockTableRecord)tr.GetObject(br.DynamicBlockTableRecord, OpenMode.ForRead)).Name : br.Name; if (br.Layer.Equals(blockLayerName, StringComparison.OrdinalIgnoreCase) && name.Equals(targetBlockName, StringComparison.OrdinalIgnoreCase)) list.Add(new BlockRefWithPosition(id, br.Position)); } return list; }
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private List<TextWithPosition> CollectFilteredTexts(Transaction tr, BlockTableRecord btr, string textLayerName) { var list = new List<TextWithPosition>(); Regex rgx = new Regex(@"[\u4e00-\u9fa5]"); foreach (ObjectId id in btr) { if (id.ObjectClass.IsDerivedFrom(RXObject.GetClass(typeof(DBText))) || id.ObjectClass.IsDerivedFrom(RXObject.GetClass(typeof(MText)))) { var ent = (Entity)tr.GetObject(id, OpenMode.ForRead); if (ent.Layer.Equals(textLayerName, StringComparison.OrdinalIgnoreCase)) { string txt = (ent is MText mt) ? mt.Contents : ((DBText)ent).TextString; if (!string.IsNullOrWhiteSpace(txt) && !rgx.IsMatch(txt) && txt.Contains(".") && double.TryParse(txt, out _)) { try { Extents3d ext = ent.GeometricExtents; Point3d center = ext.MinPoint + (ext.MaxPoint - ext.MinPoint) * 0.5; list.Add(new TextWithPosition(id, center, txt)); } catch { } } } } } return list; }
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private void CreateLayerIfNotExists(Database db, Transaction tr, string layerName, short colorIndex) { LayerTable lt = (LayerTable)tr.GetObject(db.LayerTableId, OpenMode.ForRead); if (!lt.Has(layerName)) { lt.UpgradeOpen(); var ltr = new LayerTableRecord { Name = layerName, Color = Color.FromColorIndex(ColorMethod.ByAci, colorIndex) }; lt.Add(ltr); tr.AddNewlyCreatedDBObject(ltr, true); } }
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#endregion
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}
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