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现状地类
有林地,159255127有林地
农村居民点,255204204农村居民点
望天田,255255110望天田
机耕道,255180178机耕道
旱地,255255183旱地
果园,255223127果园
河流水面,171255255河流水面
荒草地,210255180荒草地
坑塘水面,171255255坑塘水面
裸岩石砾地,192192192裸岩石砾地
祼岩地,255255255祼岩地
农村宅基地,255204204农村宅基地
特殊用地,255132132特殊用地
沟渠,171255255沟渠
工矿用地,255180178工矿用地
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第一行:"现状地类" 为Mapinfo中的字段名
以下行为具体配置,如第一行 有林地,159255127有林地
第一个"有林地"为字段里的值,后跟的9位数据为RGB颜色,后面的"有林地"是图层名,图层不存在会自动创建
配置文件名为: d:\xdxah.ini 在程序中此路径和名称固定
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/* 根据MAPINFO导出块属性和配置文件填充图斑
* 此程序需一配置文件
* 作者:王晓东
* QQ:10516321 Email:xiaook@gmail.com
* http://goat.cublog.cn
*/
using System.Collections.Generic;
using System.IO;
using System.Text;
using Autodesk.AutoCAD.ApplicationServices;
using Autodesk.AutoCAD.DatabaseServices;
using Autodesk.AutoCAD.EditorInput;
using Autodesk.AutoCAD.Runtime;
/*Copyright © 王晓东 2010
AutoCAD version:AutoCAD 2006
Description:
To use HatchByBlockAttribute.dll:
1. Start AutoCAD and open a new drawing.
2. Type netload and select HatchByBlockAttribute.dll.
3. Execute the xah command.*/
namespace HatchByBlockAttribute
{
/// <summary>
/// Summary for Class1.
/// </summary>
public class Class1
{
Document acDoc = Application.DocumentManager.MdiActiveDocument;
Editor acDocEd = Application.DocumentManager.MdiActiveDocument.Editor;
Database acCurDb =Application.DocumentManager.MdiActiveDocument.Database;
[CommandMethod("xah")]
public void xah()
{
acDocEd.WriteMessage(@"\n 根据MAPINFO导出块属性和配置文件填充图斑 \n此程序需一配置文件 \n作者:王晓东 \nQQ:10516321 Email:xiaook@gmail.com");
//读取配置文件
StreamReader configfs = new StreamReader(@"d:\xdxah.ini",Encoding.Default);
Dictionary<string, string> confDict = new Dictionary<string,string>();
string str = configfs.ReadLine(); //提取首行字段名
string keyField = str;
str = configfs.ReadLine();
while (str != null)
{
string[] strarr = str.Split(',');
confDict.Add(strarr[0], strarr[1]);
str = configfs.ReadLine();
}
//选择所有块对象
ObjectIdCollection acObjIdColl = new ObjectIdCollection();
PromptSelectionResult acPtRes = acDocEd.SelectAll();
if (acPtRes.Status == PromptStatus.OK)
{
SelectionSet ss = acPtRes.Value;
acObjIdColl = new ObjectIdCollection(ss.GetObjectIds());
}
//事务
using (Transaction acTrans =acCurDb.TransactionManager.StartTransaction())
{
ObjectIdCollection objIdCol = new ObjectIdCollection();
BlockTable acBlkTbl = acTrans.GetObject(acCurDb.BlockTableId,OpenMode.ForRead) as BlockTable;
BlockTableRecord acBlkTblRec =acTrans.GetObject(acBlkTbl[BlockTableRecord.ModelSpace], OpenMode.ForWrite) asBlockTableRecord;
LayerTable acLyrTbl;
acLyrTbl = acTrans.GetObject(acCurDb.LayerTableId,OpenMode.ForRead) as LayerTable;
//仅提取所有块参照
ObjectIdCollection objColTmp = new ObjectIdCollection();
for (int i = 0; i < acObjIdColl.Count; i++)
{
DBObject dbObject = acTrans.GetObject(acObjIdColl[i],OpenMode.ForRead);
if (dbObject is BlockReference)
{
objColTmp.Add(acObjIdColl[i]);
}
}
acObjIdColl = objColTmp;
for (int j = 0; j < acObjIdColl.Count; j++) //遍历对象
{
BlockReference bkRef =(BlockReference)acTrans.GetObject(acObjIdColl[j], OpenMode.ForRead);
AttributeCollection attCol = bkRef.AttributeCollection;
string sHatchColor = "";
Hatch acHatch = new Hatch();
acHatch.SetDatabaseDefaults();
for (int k = 0; k < attCol.Count; k++) //遍历属性
{
AttributeReference attRef =(AttributeReference)acTrans.GetObject(attCol[k], OpenMode.ForRead, false, true);
if (attRef.Tag == keyField)
{
for (int i = 0; i < confDict.Count; i++) //编历配置文件项
{
if (confDict.ContainsKey(attRef.TextString)) //确定字典内是否包含此地类主键
{
sHatchColor = confDict[attRef.TextString];
}
}
}
}
//包含此地类主键,填充此块
DBObjectCollection bkDBCol = new DBObjectCollection();
bkRef.Explode(bkDBCol);
//填充前将此块分解并提取Polyline对象
for (int kk = 0; kk < bkDBCol.Count; kk++)
{
if (bkDBCol[kk] is Polyline)
{
Polyline pl = (Polyline)bkDBCol[kk];
if (pl.Closed) //只填充闭合多线段
{
ObjectIdCollection bkIDCol = newObjectIdCollection(); //要填充对象的Collection
acBlkTblRec.AppendEntity((Entity)bkDBCol[kk]);
acTrans.AddNewlyCreatedDBObject(bkDBCol[kk],true);
bkIDCol.Add(bkDBCol[kk].ObjectId);
acHatch.AppendLoop((int)HatchLoopTypes.Outermost,bkIDCol);
}
}
}
//填充
if (sHatchColor != "")
{
byte R = byte.Parse(sHatchColor.Substring(0, 3));
byte G = byte.Parse(sHatchColor.Substring(3, 3));
byte B = byte.Parse(sHatchColor.Substring(6, 3));
string layer = sHatchColor.Substring(9);
if (acLyrTbl.Has(layer) == false)
{
LayerTableRecord acLyrTblRec = newLayerTableRecord();
// Assign the layer the ACI color 1 and a name
acLyrTblRec.Color =Autodesk.AutoCAD.Colors.Color.FromRgb(R, G, B);
acLyrTblRec.Name = layer;
// Upgrade the Layer table for write
acLyrTbl.UpgradeOpen();
// Append the new layer to the Layer table and the transaction
acLyrTbl.Add(acLyrTblRec);
acTrans.AddNewlyCreatedDBObject(acLyrTblRec, true);
}
acHatch.Layer = layer;
acBlkTblRec.AppendEntity(acHatch);
acTrans.AddNewlyCreatedDBObject(acHatch, true);
acHatch.SetHatchPattern(HatchPatternType.PreDefined,"SOLID");
//acHatch.ColorIndex = int.Parse(sHatchColor);
acHatch.Color = Autodesk.AutoCAD.Colors.Color.FromRgb(R,G, B);
acHatch.Associative = false;
acHatch.EvaluateHatch(true);
}
}
////提示清理边界
//PromptKeywordOptions pKeyOpts = new PromptKeywordOptions("");
//pKeyOpts.Message = "\n清理对象仅留图案填充[No/Yes]";
//pKeyOpts.Keywords.Add("Y");
//pKeyOpts.Keywords.Add("N");
//pKeyOpts.Keywords.Default = "N";
//pKeyOpts.AllowNone = true;
//PromptResult pKeyRes = acDoc.Editor.GetKeywords(pKeyOpts);
//if (pKeyRes.StringResult == "Y")
//{
// //选择所有块对象
// TypedValue[] tv = new TypedValue[1];
// //tv.SetValue(new TypedValue((int)DxfCode.Operator, "<not"), 0);
// tv.SetValue(new TypedValue((int)DxfCode.Start, "HATCH"), 0);
// //tv.SetValue(new TypedValue((int)DxfCode.Operator, ">not"), 2);
// SelectionFilter sf = new SelectionFilter(tv);
// ObjectIdCollection acHatchColl = new ObjectIdCollection();
// PromptSelectionResult acPtRes1 = acDocEd.SelectAll(sf);
// ObjectIdCollection acObjForDelColl = new ObjectIdCollection();
// PromptSelectionResult acPtRes2 = acDocEd.SelectAll();
// if ((acPtRes1.Status == PromptStatus.OK) && (acPtRes2.Status == PromptStatus.OK))
// {
// SelectionSet ss = acPtRes1.Value;
// acHatchColl = new ObjectIdCollection(ss.GetObjectIds());
// foreach (ObjectId a in acHatchColl)
// {
// acObjForDelColl.Remove(a);
// }
// for (int i = 0; i < acObjForDelColl.Count; i++)
// {
// DBObject dbobj = acObjForDelColl[i].GetObject(OpenMode.ForRead);
// dbobj.Erase();
// }
// }
//}
acTrans.Commit();
}
}
}
}
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