婴幼儿用品网站开发意义,wordpress固定链接打不开,logo免费网站,建设网站一般过程运行环境Visual Studio 2022 c# cad2016 cass10
通过面积计算得到扩展数据#xff0c;宗地面积 #xff0c;房屋占地面积#xff0c;房屋使用面积
一、主要步骤
获取当前AutoCAD应用中的活动文档、数据库和编辑器对象。创建一个选择过滤器#xff0c;限制用户只能选择宗地面积 房屋占地面积房屋使用面积
一、主要步骤
获取当前AutoCAD应用中的活动文档、数据库和编辑器对象。创建一个选择过滤器限制用户只能选择宗地图层上的LWPOLYLINE对象作为外部边界。提示用户根据上述规则进行实体选择并获取选择结果。遍历所有被选中的外部多段线确保所选多段线是闭合的且至少有一个顶点。创建并填充一个表示外部多段线边界坐标的点集合。使用多边形窗口选择方式让用户选择位于外部多段线内的实体。遍历用户在内部区域所选的所有闭合多段线计算房屋面积和附属面积。计算宗地面积和输出结果。
二、完整代码 internal class zdfwmj
{public static Liststring filelist1 new Liststring();public static Liststring filelist2 new Liststring();public void fwzymj(){// 获取当前AutoCAD应用中的活动文档、数据库和编辑器对象Document doc Application.DocumentManager.MdiActiveDocument;Database db doc.Database;Editor ed doc.Editor;string SelectedLayerName CreatePalette.SelectedLayerName;NumberContainer numberContainer new NumberContainer();//ed.WriteMessage(选择的图层: SelectedLayerName \n);// 创建一个选择过滤器限制用户只能选择宗地图层上的LWPOLYLINE对象作为外部边界SelectionFilter outerFilter new SelectionFilter(new TypedValue[] {new TypedValue((int)DxfCode.Start, LWPOLYLINE),new TypedValue((int)DxfCode.LayerName, SelectedLayerName)});// 提示用户根据上述规则进行实体选择并获取选择结果PromptSelectionResult outerSelRes ed.GetSelection(outerFilter);// 检查用户是否成功选择了实体if (outerSelRes.Status PromptStatus.OK){using (Transaction tr db.TransactionManager.StartTransaction())// 开始事务处理以确保数据一致性{foreach (ObjectId outerId in outerSelRes.Value.GetObjectIds())// 遍历所有被选中的外部多段线{using (Polyline outerPolyline (Polyline)tr.GetObject(outerId, OpenMode.ForRead))// 读取所选多段线{// 确保所选多段线是闭合的且至少有一个顶点double totalArea 0; // 总面积double totalAreaZdmj 0; // 总面积double totalAreaSYmj 0; // 总面积if (outerPolyline.Closed outerPolyline.NumberOfVertices 0){// 创建并填充一个表示外部多段线边界坐标的点集合Point3dCollection outerPoints new Point3dCollection();for (int i 0; i outerPolyline.NumberOfVertices; i){Point3d point outerPolyline.GetPoint3dAt(i);// 获取多边形的中心点Point3d center GetCenterOfPolyline(outerPolyline);// 定义你的扩展因子比如 1.5 表示扩大1.5倍double scaleFactor 1.2;// 将顶点向中心点平移然后按比例缩放Point3d scaledPoint new Point3d((point.X - center.X) * scaleFactor center.X,(point.Y - center.Y) * scaleFactor center.Y,(point.Z - center.Z) * scaleFactor center.Z);// 创建并设置文本对象DBText text new DBText();text.TextString i.ToString();//text.Height 1; // 文字高度设为1个单位text.Position scaledPoint;将文本添加到模型空间//using (Transaction transaction db.TransactionManager.StartTransaction())//{// BlockTable bt transaction.GetObject(db.BlockTableId, OpenMode.ForRead) as BlockTable;// BlockTableRecord ms transaction.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite) as BlockTableRecord;// ms.AppendEntity(text);// transaction.AddNewlyCreatedDBObject(text, true);// transaction.Commit();//}outerPoints.Add(scaledPoint);}// 创建一个窗口选择过滤器用于选择位于外部多段线内的所有实体SelectionFilter innerFilter new SelectionFilter(new TypedValue[] {new TypedValue((int)DxfCode.Start, LWPOLYLINE),new TypedValue((int)DxfCode.LayerName, JMD)});// 使用多边形窗口选择方式让用户选择位于外部多段线内的实体PromptSelectionResult innerSelRes ed.SelectWindowPolygon(outerPoints, innerFilter);// 检查用户是否成功在内部区域进行了实体选择if (innerSelRes.Status PromptStatus.OK){SelectionSet innerSelectionSet innerSelRes.Value;// 遍历用户在内部区域所选的所有闭合多段线foreach (ObjectId id2 in innerSelectionSet.GetObjectIds()){using (Polyline polyline2 (Polyline)tr.GetObject(id2, OpenMode.ForRead)){if (polyline2.Closed polyline2.NumberOfVertices 0){Entity ent2 (Entity)tr.GetObject(id2, OpenMode.ForWrite);//ent2.Color Color.FromColorIndex(ColorMethod.ByAci, 3); // 示例将颜色设为黄色//ed.UpdateScreen(); // 确保颜色更改即时生效filelist1.Clear();filelist2.Clear();int filelist1ii 0;if (ent2 ! null ent2.XData ! null){Listint numbers01 new Listint { 141161, 141121, 141151 };//房屋编码Listint numbers02 new Listint { 141800, 140001, 143130, 143111, 143112 };//房屋附属编码ResultBuffer rb ent2.GetXDataForApplication(SOUTH);string xdata rb.ToString();foreach (TypedValue tv in rb){filelist1.Add(tv.TypeCode.ToString());//码filelist2.Add(tv.Value.ToString());//值}filelist1ii filelist1.Count();//房屋面积if (filelist1ii 3){if (numbers01.Contains(Convert.ToInt32(filelist2[1]))){string fwjg numberContainer.GetDescription(Convert.ToInt32(filelist2[1]));int fileValue;if (int.TryParse(filelist2[2], out fileValue)){double calculatedUsageArea polyline2.Area * fileValue;//ed.WriteMessage($\n房屋面积信息{fwjg}{fileValue} 占地面积{polyline2.Area:N2} 使用面积{calculatedUsageArea:N2}\n);totalAreaZdmj polyline2.Area;totalAreaSYmj calculatedUsageArea;using (Transaction transaction db.TransactionManager.StartTransaction()){RegAppTable table02 (RegAppTable)transaction.GetObject(doc.Database.RegAppTableId, OpenMode.ForWrite, false);ResultBuffer rb02 new ResultBuffer();string appName02 扩展数据;if (!table02.Has(appName02)){RegAppTableRecord regAppRec new RegAppTableRecord();regAppRec.Name appName02;table02.Add(regAppRec);transaction.AddNewlyCreatedDBObject(regAppRec, true);}rb02.Add(new TypedValue((int)DxfCode.ExtendedDataRegAppName, appName02));rb02.Add(new TypedValue((int)DxfCode.ExtendedDataReal, polyline2.Area));rb02.Add(new TypedValue((int)DxfCode.ExtendedDataReal, calculatedUsageArea));ent2.XData rb02;transaction.Commit();}}else{//ed.WriteMessage(\n无法将文件列表中的值转换为整数以计算使用面积);}}}if (filelist1ii 2){ed.WriteMessage(\n附属编码 filelist2[1]);if (numbers02.Contains(Convert.ToInt32(filelist2[1]))){string fwjg numberContainer.GetDescription(Convert.ToInt32(filelist2[1]));//double fsmj FwmjArea(polyline2, db, ed, tr);TypedValue[] tvs new TypedValue[]{new TypedValue((int)DxfCode.Operator, and),new TypedValue((int)DxfCode.Start, TEXT),new TypedValue((int)DxfCode.LayerName, 房屋附属1),new TypedValue((int)DxfCode.Operator, and)};SelectionFilter sf new SelectionFilter(tvs);PromptSelectionResult psr ed.SelectAll(sf);SelectionSet ss psr.Value;foreach (SelectedObject so in ss){DBText text tr.GetObject(so.ObjectId, OpenMode.ForRead) as DBText;if (IsPointInside(polyline2, text.Position)){string input text.TextString;//文字分解string[] parts input.Split( );foreach (string part in parts){// 按中文逗号分割键值对string[] keyValue part.Split(); // 注意这里的逗号是中文逗号不是英文逗号if (keyValue.Length 2){string key keyValue[0];string value keyValue[1];//ed.WriteMessage(键: key , 值: value \n);bool result key.Contains(Q);if (result){totalArea polyline2.Area;//ed.WriteMessage($全{key}{value} 附属面积{polyline2.Area:N2}\n);}result key.Contains(B);if (result){totalArea polyline2.Area / 2;//ed.WriteMessage($半{key}{value} 附属面积{polyline2.Area:N2}\n);}}else{//ed.WriteMessage(未能分割出键值对 part);}}using (Transaction transaction db.TransactionManager.StartTransaction()){RegAppTable table02 (RegAppTable)transaction.GetObject(doc.Database.RegAppTableId, OpenMode.ForWrite, false);ResultBuffer rb02 new ResultBuffer();string appName02 扩展数据;if (!table02.Has(appName02)){RegAppTableRecord regAppRec new RegAppTableRecord();regAppRec.Name appName02;table02.Add(regAppRec);transaction.AddNewlyCreatedDBObject(regAppRec, true);}rb02.Add(new TypedValue((int)DxfCode.ExtendedDataRegAppName, appName02));rb02.Add(new TypedValue((int)DxfCode.ExtendedDataAsciiString, input));rb02.Add(new TypedValue((int)DxfCode.ExtendedDataReal, totalArea));ent2.XData rb02;transaction.Commit();}//ed.WriteMessage($房屋附属{input} 附属面积{totalArea:N2}\n);}} }}}}}}}Entity ent01 tr.GetObject(outerId, OpenMode.ForWrite) as Entity;RegAppTable table (RegAppTable)tr.GetObject(doc.Database.RegAppTableId, OpenMode.ForWrite, false);ResultBuffer rb01 new ResultBuffer();string appName 扩展数据;if (!table.Has(appName)){RegAppTableRecord regAppRec new RegAppTableRecord();regAppRec.Name appName;table.Add(regAppRec);tr.AddNewlyCreatedDBObject(regAppRec, true);}rb01.Add(new TypedValue((int)DxfCode.ExtendedDataRegAppName, appName));rb01.Add(new TypedValue((int)DxfCode.ExtendedDataReal, outerPolyline.Area));rb01.Add(new TypedValue((int)DxfCode.ExtendedDataReal, totalAreaZdmj));rb01.Add(new TypedValue((int)DxfCode.ExtendedDataReal, (totalAreaSYmj totalArea)));ent01.XData rb01;}//ed.WriteMessage($\n宗地面积{outerPolyline.Area:N2} \n\n房屋占地面积{totalAreaZdmj:N2}\n房屋使用面积{(totalAreaSYmj totalArea):N2}\n);}}tr.Commit();}}}/// summaryFwmjAreapublic double FwmjArea(Polyline polyline, Database db, Editor ed, Transaction tr){Point3dCollection outerPoints new Point3dCollection(); // 创建并填充一个表示外部多段线边界坐标的点集合double areaFWFS 0;//房屋附属面积for (int i 0; i polyline.NumberOfVertices; i){Point3d point polyline.GetPoint3dAt(i);outerPoints.Add(point);}// 创建一个窗口选择过滤器用于选择位于外部多段线内的所有实体SelectionFilter innerFilter new SelectionFilter(new TypedValue[] {new TypedValue((int)DxfCode.Operator, and),new TypedValue((int)DxfCode.Start, TEXT),new TypedValue((int)DxfCode.LayerName, 房屋附属1),new TypedValue((int)DxfCode.Operator, and)});// 使用多边形窗口选择方式让用户选择位于外部多段线内的实体PromptSelectionResult innerSelRes ed.SelectAll(innerFilter);if (innerSelRes.Status PromptStatus.OK){SelectionSet innerSelectionSet innerSelRes.Value;foreach (SelectedObject so in innerSelectionSet){DBText text tr.GetObject(so.ObjectId, OpenMode.ForRead) as DBText;if (IsPointInside(polyline, text.Position)){string input text.TextString;//ed.WriteMessage(\n房屋附属文字2, input.ToString());//ed.WriteMessage(\n房屋附属文字2, polyline.Area);}}}return areaFWFS;}/// /summary/// param namepolyline/param/// param namepoint/param/// returns/returns// 定义一个方法输入参数为一个多段线对象和一个三维点返回值为布尔类型表示该点是否在多段线内部public bool IsPointInside(Polyline polyline, Point3d point){// 初始化交叉次数变量为0用于记录点与多段线各线段相交的次数int crossings 0;// 遍历多段线的所有顶点从第一个顶点开始到最后一个顶点for (int i 0; i polyline.NumberOfVertices; i){// 获取当前线段的起点坐标Point3d start polyline.GetPoint3dAt(i);// 计算下一个顶点的索引并使用取模运算确保最后一个顶点后回到第一个顶点形成闭合循环int nextIndex (i 1) % polyline.NumberOfVertices;Point3d end polyline.GetPoint3dAt(nextIndex);// 如果线段两端点都在检测点Y轴上方或下方则此线段与过检测点的水平线不相交跳过此次循环if (start.Y point.Y end.Y point.Y)continue;if (start.Y point.Y end.Y point.Y)continue;// 如果检测点X坐标小于线段起点和终点的X坐标最小值则此线段位于检测点左侧跳过此次循环if (point.X Math.Min(start.X, end.X))continue;// 计算线段的斜率并根据直线方程计算线段与过检测点Y坐标水平线的交点横坐标double slope (end.Y - start.Y) / (end.X - start.X);double intersectX start.X (point.Y - start.Y) / slope;// 如果检测点X坐标大于等于交点横坐标则表示检测点在线段的一侧增加交叉次数if (point.X intersectX)crossings;}// 根据奇偶性判断若交叉次数为奇数则认为点在多段线内否则点在多段线外return (crossings % 2) 1;}//包含字符 出现次数public static int CountCharacterOccurrences(string str, string substring){if (string.IsNullOrEmpty(str) || string.IsNullOrEmpty(substring))return 0;int index 0, count 0;while ((index str.IndexOf(substring, index)) ! -1){count;index substring.Length; // 移动到下一个可能的位置}return count;}// GetCenterOfPolyline 是一个假设存在的方法用于计算多边形的中心点private Point3d GetCenterOfPolyline(Polyline polyline){double xSum 0, ySum 0, zSum 0;for (int i 0; i polyline.NumberOfVertices; i){Point3d vertex polyline.GetPoint3dAt(i);xSum vertex.X;ySum vertex.Y;zSum vertex.Z;}return new Point3d(xSum / polyline.NumberOfVertices, ySum / polyline.NumberOfVertices, zSum / polyline.NumberOfVertices);}
} //有需要cad二次开发可以私信进行联系 //感谢大家的点赞收藏转发关注
