547 lines
11 KiB
C++
547 lines
11 KiB
C++
#include "StdAfx.h"
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#include "UserHelp.h"
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#include <algorithm>
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UserHelp::UserHelp(void)
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{
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}
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UserHelp::~UserHelp(void)
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{
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}
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AcDbObjectId UserHelp::Append(AcDbEntity* pEnt)
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{
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AcDbBlockTable *pBlockTable;
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acdbHostApplicationServices()->workingDatabase()
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->getSymbolTable(pBlockTable, AcDb::kForRead);
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AcDbBlockTableRecord *pBlockTableRecord;
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pBlockTable->getAt(ACDB_MODEL_SPACE, pBlockTableRecord,
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AcDb::kForWrite);
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pBlockTable->close();
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AcDbObjectId EntId;
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pBlockTableRecord->appendAcDbEntity(EntId, pEnt);
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pBlockTableRecord->close();
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return EntId;
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}
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double UserHelp::GetBulge(AcDbArc*& pArc)
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{
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double dStartAngle = pArc->startAngle();
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double dEndAngle = pArc->endAngle();
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double dAlfa = dEndAngle - dStartAngle;
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if (dAlfa < 0.0)//如果终点角度小于起点角度，取补角
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{
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dAlfa = 2 * PI + dAlfa;
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}
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double dBulge = 0.0;
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dBulge = tan((dAlfa) / 4.0);
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return dBulge;
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}
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bool UserHelp::FindNextPointNum(vector<NumMap>& nm, int nThisNum, double& dThisBulge, int& nNextNum)
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{
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bool bFind = false;
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//以第一个编号给为起点查找
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vector<NumMap>::iterator itr;
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for (itr = nm.begin(); itr != nm.end(); itr++)
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{
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if ((*itr).nNum1 == nThisNum)
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{
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nNextNum = (*itr).nNum2;
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dThisBulge = (*itr).dBulge;
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bFind = true;
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nm.erase(itr);
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break;
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}
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}
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if (!bFind)//如果以第一个编号给为起点未找到,就以第二个编号给为起点查找
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{
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for (itr = nm.begin(); itr != nm.end(); itr++)
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{
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if ((*itr).nNum2 == nThisNum)
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{
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nNextNum = (*itr).nNum1;
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dThisBulge = -(*itr).dBulge;//凸度取反
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bFind = true;
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nm.erase(itr);
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break;
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}
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}
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}
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if (bFind)
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{
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return true;
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}
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else
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{
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nNextNum = -1;
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dThisBulge = 0.0;
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}
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return false;
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}
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bool UserHelp::NumToPoint(vector<PointNum>& vecPt2Num, int nThisNum, AcGePoint3d& ptThis)
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{
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bool bFind = false;
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vector<PointNum>::iterator itr;
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for (itr = vecPt2Num.begin(); itr != vecPt2Num.end(); itr++)
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{
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if ((*itr).nNum == nThisNum)
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{
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ptThis = (*itr).pt;
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bFind = true;
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break;
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}
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}
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return bFind;
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}
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void UserHelp::GetDrawInfo(vector<PointNum>& vecPt2Num, vector<NumMap>& vecNumMap, int& nCodeNum,
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const AcGePoint3d& ptStart, const AcGePoint3d ptEnd, double dBulge)
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{
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bool bStartNew = true; //起点是否编号
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bool bEndNew = true; //终点是否编号
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NumMap nummap;//两点之间的联系信息
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nummap.dBulge = dBulge;
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//处理起点
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vector<PointNum>::iterator itr;
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for (itr = vecPt2Num.begin(); itr != vecPt2Num.end(); itr++)
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{
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if ((*itr).pt.distanceTo(ptStart) < 1.e-3)
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{
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bStartNew = false;
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nummap.nNum1 = (*itr).nNum;
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break;
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}
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}
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if (bStartNew)
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{
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PointNum pn;
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pn.nNum = nCodeNum++;
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pn.pt = ptStart;
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vecPt2Num.push_back(pn);
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nummap.nNum1 = pn.nNum;
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}
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//处理终点
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for (itr = vecPt2Num.begin(); itr != vecPt2Num.end(); itr++)
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{
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if ((*itr).pt.distanceTo(ptEnd) < 1.e-3)
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{
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bEndNew = false;
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nummap.nNum2 = (*itr).nNum;
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break;
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}
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}
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if (bEndNew)
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{
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PointNum pn;
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pn.nNum = nCodeNum++;
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pn.pt = ptEnd;
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vecPt2Num.push_back(pn);
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nummap.nNum2 = pn.nNum;
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}
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//添加联系信息
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vecNumMap.push_back(nummap);
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}
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bool UserHelp::ChangeToPolyLine(AcDbObjectIdArray& idObjArr, AcDbObjectId& idPolyline)
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{
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vector<PointNum> vecPt2Num;//所有点编号
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vector<NumMap> vecNumMap;//所有连接信息
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int nCodeNum = 0;
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int length = idObjArr.length();
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for (int i = 0; i < length; i++)
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{
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// 获得指向当前元素的指针
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AcDbEntity *pEnt;
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Acad::ErrorStatus es = acdbOpenAcDbEntity(pEnt, idObjArr.at(i),
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AcDb::kForRead);
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// 选择到作为边界的多段线了，直接跳过该次循环
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if (es != Acad::eOk)
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{
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continue;
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}
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if(pEnt->isKindOf(AcDbArc::desc()))//圆弧
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{
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AcDbArc* pArc = AcDbArc::cast(pEnt);
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if (pArc == NULL)
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{
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continue;
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}
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AcGePoint3d ptStart, ptEnd;
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pArc->getStartPoint(ptStart);
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pArc->getEndPoint(ptEnd);
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double dBulge = 0.0;
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dBulge = UserHelp::GetBulge(pArc);
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UserHelp::GetDrawInfo(vecPt2Num, vecNumMap, nCodeNum, ptStart, ptEnd, dBulge);
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pArc->close();
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}
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else if (pEnt->isKindOf(AcDbLine::desc()))//直线
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{
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AcDbLine* pLine = AcDbLine::cast(pEnt);
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if (pLine == NULL)
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{
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continue;
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}
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AcGePoint3d ptStart, ptEnd;
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pLine->getStartPoint(ptStart);
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pLine->getEndPoint(ptEnd);
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double dBulge = 0.0;
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UserHelp::GetDrawInfo(vecPt2Num, vecNumMap, nCodeNum, ptStart, ptEnd, dBulge);
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pLine->close();
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}
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else if (pEnt->isKindOf(AcDbPolyline::desc()))
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{
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AcDbPolyline* pPolyLine = AcDbPolyline::cast(pEnt);
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if (pPolyLine == NULL)
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{
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continue;
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}
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int nVerCount = 0;
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nVerCount = pPolyLine->numVerts();
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if (nVerCount <= 1)
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{
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continue;
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}
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AcGePoint3d ptFirst;
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double dBugle = -1000.0;
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pPolyLine->getPointAt(0, ptFirst);
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pPolyLine->getBulgeAt(0,dBugle);
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for (int i = 1; i < nVerCount; i++)
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{
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AcGePoint3d ptVer;
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pPolyLine->getPointAt(i, ptVer);
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UserHelp::GetDrawInfo(vecPt2Num, vecNumMap, nCodeNum, ptFirst, ptVer, dBugle);
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ptFirst = ptVer;
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pPolyLine->getBulgeAt(i, dBugle);
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}
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pPolyLine->close();
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}
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pEnt->close();
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}
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AcGePoint3d pt1, pt2;
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double dBulge = 0.0;
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vector<NumMap>::iterator itr1;// vecNumMap;
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vector<NumMap>::iterator itr2;// vecNumMap;
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vector< vector<DrawPoint> > vecLines;
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if (vecNumMap.size() > 0)
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{
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itr1 = vecNumMap.begin();
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}
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while(itr1 != vecNumMap.end())
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{
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//从某点出发向一个方向搜索
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vector<DrawPoint> vecOneLine;
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int nBegin = (*itr1).nNum1;
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int nThisNum = nBegin;
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int nLastNum = nThisNum;
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DrawPoint drawpoint;
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while(vecNumMap.size() > 0)
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{
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bool bSuc = false;
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double dThisBulge = 0.0;
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int nNextNum = 0;
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bSuc = UserHelp::FindNextPointNum(vecNumMap, nThisNum, dThisBulge, nNextNum);
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if (bSuc)
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{
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drawpoint.nNum = nThisNum;
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drawpoint.dBulge =dThisBulge;
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vecOneLine.push_back(drawpoint);
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nThisNum = nNextNum;
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nLastNum = nThisNum;
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}
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else
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{
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break;
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}
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}
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//处理最近一个点
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drawpoint.nNum = nLastNum;
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drawpoint.dBulge = 0.0;
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vecOneLine.push_back(drawpoint);
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//从某点出发向另一个方向搜索
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vector<DrawPoint> vecOtherLine;
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nThisNum = nBegin;
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nLastNum = nThisNum;
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while(vecNumMap.size() > 0)
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{
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bool bSuc = false;
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double dThisBulge = 0.0;
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int nNextNum = 0;
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bSuc = UserHelp::FindNextPointNum(vecNumMap, nThisNum, dThisBulge, nNextNum);
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if (bSuc)
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{
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drawpoint.nNum = nNextNum;
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drawpoint.dBulge =dThisBulge;
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vecOtherLine.push_back(drawpoint);
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nThisNum = nNextNum;
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}
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else
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{
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break;
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}
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}
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//两个方向拼接
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reverse(vecOtherLine.begin(), vecOtherLine.end());
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vector<DrawPoint>::iterator itrTmp;
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for (itrTmp = vecOtherLine.begin(); itrTmp != vecOtherLine.end(); itrTmp++)
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{
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(*itrTmp).dBulge *= -1.0;
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}
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vecOtherLine.insert(vecOtherLine.end(), vecOneLine.begin(), vecOneLine.end());
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vecLines.push_back(vecOtherLine);
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itr1 = vecNumMap.begin();
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}
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//绘制多段线
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vector< vector<DrawPoint> >::iterator itr_1;
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vector<DrawPoint>::iterator itr_2;
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for (itr_1 = vecLines.begin(); itr_1 != vecLines.end(); itr_1++)
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{
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AcDbPolyline* pPolyLine = new AcDbPolyline;
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int i = 0;
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vector<DrawPoint>& vecPoints = (*itr_1);
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for (itr_2 = vecPoints.begin(); itr_2 != vecPoints.end(); itr_2++)
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{
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int nNum = (*itr_2).nNum;
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AcGePoint3d ptVer;
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if (UserHelp::NumToPoint(vecPt2Num, nNum, ptVer))
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{
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pPolyLine->addVertexAt(i++, ptVer.convert2d(AcGePlane::kXYPlane),(*itr_2).dBulge);
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}
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}
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idPolyline = UserHelp::Append(pPolyLine);
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pPolyLine->close();
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}
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return true;
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}
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AcDbPolyline* UserHelp::ChangeToPolyLine(AcDbVoidPtrArray& arCurPtrs)
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{
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vector<PointNum> vecPt2Num;//所有点编号
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vector<NumMap> vecNumMap;//所有连接信息
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int nCodeNum = 0;
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double dBulge = 0.0;
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AcGePoint3d ptStart, ptEnd,ptFirst,ptVer;
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AcDbCurve* pCurve = NULL;
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for (int i = 0;i < arCurPtrs.length();i++)
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{
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pCurve = (AcDbCurve*)arCurPtrs.at(i);
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AcDbArc* pArc = AcDbArc::cast(pCurve);
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if (pArc != NULL)
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{
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pArc->getStartPoint(ptStart);
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pArc->getEndPoint(ptEnd);
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dBulge = 0.0;
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dBulge = UserHelp::GetBulge(pArc);
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UserHelp::GetDrawInfo(vecPt2Num, vecNumMap, nCodeNum, ptStart, ptEnd, dBulge);
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}
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AcDbLine* pLine = AcDbLine::cast(pCurve);
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if (pLine != NULL)
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{
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pLine->getStartPoint(ptStart);
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pLine->getEndPoint(ptEnd);
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dBulge = 0.0;
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UserHelp::GetDrawInfo(vecPt2Num, vecNumMap, nCodeNum, ptStart, ptEnd, dBulge);
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}
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AcDbPolyline* pPolyLine = AcDbPolyline::cast(pCurve);
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if (pPolyLine != NULL)
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{
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int nVerCount = 0;
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nVerCount = pPolyLine->numVerts();
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if (nVerCount <= 1)
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{
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continue;
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}
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dBulge = -1000.0;
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pPolyLine->getPointAt(0, ptFirst);
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pPolyLine->getBulgeAt(0,dBulge);
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for (int j = 1; j < nVerCount; j++)
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{
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pPolyLine->getPointAt(j, ptVer);
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UserHelp::GetDrawInfo(vecPt2Num, vecNumMap, nCodeNum, ptFirst, ptVer, dBulge);
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ptFirst = ptVer;
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pPolyLine->getBulgeAt(j, dBulge);
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}
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}
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}
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AcGePoint3d pt1, pt2;
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dBulge = 0.0;
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vector<NumMap>::iterator itr1;// vecNumMap;
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vector<NumMap>::iterator itr2;// vecNumMap;
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vector< vector<DrawPoint> > vecLines;
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if (vecNumMap.size() > 0)
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{
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itr1 = vecNumMap.begin();
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}
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while(itr1 != vecNumMap.end())
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{
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//从某点出发向一个方向搜索
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vector<DrawPoint> vecOneLine;
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int nBegin = (*itr1).nNum1;
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int nThisNum = nBegin;
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int nLastNum = nThisNum;
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DrawPoint drawpoint;
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while(vecNumMap.size() > 0)
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{
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bool bSuc = false;
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double dThisBulge = 0.0;
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int nNextNum = 0;
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bSuc = UserHelp::FindNextPointNum(vecNumMap, nThisNum, dThisBulge, nNextNum);
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if (bSuc)
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{
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drawpoint.nNum = nThisNum;
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drawpoint.dBulge =dThisBulge;
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vecOneLine.push_back(drawpoint);
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nThisNum = nNextNum;
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nLastNum = nThisNum;
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}
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else
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{
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break;
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}
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}
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//处理最近一个点
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drawpoint.nNum = nLastNum;
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drawpoint.dBulge = 0.0;
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vecOneLine.push_back(drawpoint);
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//从某点出发向另一个方向搜索
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vector<DrawPoint> vecOtherLine;
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nThisNum = nBegin;
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nLastNum = nThisNum;
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while(vecNumMap.size() > 0)
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{
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bool bSuc = false;
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double dThisBulge = 0.0;
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int nNextNum = 0;
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bSuc = UserHelp::FindNextPointNum(vecNumMap, nThisNum, dThisBulge, nNextNum);
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if (bSuc)
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{
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drawpoint.nNum = nNextNum;
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drawpoint.dBulge =dThisBulge;
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vecOtherLine.push_back(drawpoint);
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nThisNum = nNextNum;
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}
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else
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{
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break;
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}
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}
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//两个方向拼接
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reverse(vecOtherLine.begin(), vecOtherLine.end());
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vector<DrawPoint>::iterator itrTmp;
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for (itrTmp = vecOtherLine.begin(); itrTmp != vecOtherLine.end(); itrTmp++)
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{
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(*itrTmp).dBulge *= -1.0;
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}
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vecOtherLine.insert(vecOtherLine.end(), vecOneLine.begin(), vecOneLine.end());
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vecLines.push_back(vecOtherLine);
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itr1 = vecNumMap.begin();
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}
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if (vecPt2Num.empty())
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return NULL;
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//考虑标高问题
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AcGePlane plan;
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plan.set(AcGePoint3d(0.0,0.0,vecPt2Num.at(0).pt.z),AcGeVector3d::kXAxis,AcGeVector3d::kYAxis);
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//绘制多段线
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vector< vector<DrawPoint> >::iterator itr_1;
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vector<DrawPoint>::iterator itr_2;
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for (itr_1 = vecLines.begin(); itr_1 != vecLines.end(); itr_1++)
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{
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AcDbPolyline* pPolyLine = new AcDbPolyline;
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int i = 0;
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vector<DrawPoint>& vecPoints = (*itr_1);
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for (itr_2 = vecPoints.begin(); itr_2 != vecPoints.end(); itr_2++)
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{
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int nNum = (*itr_2).nNum;
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AcGePoint3d ptVer;
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if (UserHelp::NumToPoint(vecPt2Num, nNum, ptVer))
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{
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pPolyLine->addVertexAt(i++, ptVer.convert2d(AcGePlane::kXYPlane),(*itr_2).dBulge);
|
|
}
|
|
}
|
|
|
|
//只返回一条PolyLine
|
|
return pPolyLine;
|
|
}
|
|
return NULL;
|
|
} |