328 lines
6.1 KiB
C++
328 lines
6.1 KiB
C++
//-----------------------------------------------------------------------------+
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// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
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// = FileName : TADSGePoint3d 点类
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// = Version : ver2.0
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// = Author : wlw
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// = CreateDate : 2002-09-09
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// = Description: TADSGePoint3d 类定义
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// = Maintainers:
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//
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//-----------------------------------------------------------------------------+
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#include "StdAfx.h"
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#include "TADSGePoint3d.h"
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#include "TGGeCircle.h"
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#include "TGGePlane.h"
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#include "TGGeLine.h"
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#include "TEntitySet.h"
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#include "TGGePoly.h"
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#include "TchGlobalFunc.h"
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#include "TchPrivateGlobalFunc.h"
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using namespace TchExport;
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using namespace TchPrivate;
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TADSGePoint3d::~TADSGePoint3d()
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{
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}
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bool TADSGePoint3d::operator > (const TADSGePoint3d &pt) const
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{
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double dDis = x - pt.x;
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if (dDis >TchGeLib::_DIST_SNAP)
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{
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return true;
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}
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else if (dDis < -TchGeLib::_DIST_SNAP)
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{
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return false;
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}
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else
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{
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dDis = y - pt.y;
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if (dDis > TchGeLib::_DIST_SNAP)
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{
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return true;
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}
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else if (dDis < -TchGeLib::_DIST_SNAP)
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{
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return false;
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}
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else
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{
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return z-pt.z > TchGeLib::_DIST_SNAP;
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}
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}
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}
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inline int TADSGePoint3d::Project(const TGGeLine* pLine, ads_point rp) const
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{
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//lfy 2010-08-31 投影方法 发现AcGe 没有原方案快
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ASSERT(pLine != NULL);
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return PointProjectToLine(*this, pLine->StartPoint(), pLine->EndPoint(), rp);
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/*AcGeLine3d lineT(pLine->StartPoint().AsAcGePoint3d(),pLine->EndPoint().AsAcGePoint3d());
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AcGePointOnCurve3d ptOnCrv;
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lineT.getClosestPointTo(asPnt3d(*this),ptOnCrv);
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asPnt3d(rp) = ptOnCrv.point3d();
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return RTNORM;*/
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}
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int TADSGePoint3d::Project(const AcGeLine3d* pLine,ads_point rp) const
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{
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//lfy 2010-08-31 投影发现AcGe 没有原方案快
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//ASSERT(pLine != NULL);
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//return PointProjectToLine(*this, pLine->, pLine->EndPoint(), rp);
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ASSERT(pLine != NULL);
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AcGePointOnCurve3d ptOnCrv;
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pLine->getClosestPointTo(asPnt3d(*this),ptOnCrv);
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asPnt3d(rp) = ptOnCrv.point3d();
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return RTNORM;
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}
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inline double TADSGePoint3d::Distance(const TGGeLine* pLine) const
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{
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//lfy 2010-9-20
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ASSERT(pLine != NULL);
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ads_real* pt0 = *this;
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ads_real* pt1 = pLine->m_startPoint;
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ads_real* pt2 = pLine->m_endPoint;
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ads_point pt4;
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struct STPlanePara plan;
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TVector3D vt;
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vt[0] = pt2[0] - pt1[0];
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vt[1] = pt2[1] - pt1[1];
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vt[2] = pt2[2] - pt1[2];
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pt4[0]=pt0[0];
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pt4[1]=pt0[1];
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pt4[2]=pt0[2];
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plan.A = vt[0];
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plan.B = vt[1];
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plan.C = vt[2];
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plan.D = 0.0 - (vt[0] * pt0[0] + vt[1] * pt0[1] + vt[2] * pt0[2]);
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double l, m, n, t;
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double mid_var1, mid_var2;
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l = pt2[0] - pt1[0];
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m = pt2[1] - pt1[1];
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n = pt2[2] - pt1[2];
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mid_var1 = l * (plan.A) + m * (plan.B) + n * (plan.C);
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if (fabs(mid_var1) < 0.000001)
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{
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return 0.0;
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}
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mid_var2 = (plan.D) + pt1[0] * (plan.A) + pt1[1] * (plan.B) + pt1[2] * (plan.C);
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t = 0.0 - mid_var2 / mid_var1;
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pt4[0] = pt1[0] + l * t;
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pt4[1] = pt1[1] + m * t;
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pt4[2] = pt1[2] + n * t;
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return ads_distance(pt0, pt4);
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}
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inline int TADSGePoint3d::Modify(const TEntitySet* pEntity) const
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{
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TEntitySet ent = *pEntity;
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ent.SetData(10, &x);
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return ent.Modify();
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}
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inline int TADSGePoint3d::MakeEntity(const TEntitySet* pEntity) const
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{
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TEntitySet ent = *pEntity;
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TGroups g(_T("*"));
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TRBList ebuf = ads_entgetx(ent, (resbuf *)&g);
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ebuf.SetData(10, &x);
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return ads_entmake(ebuf);
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}
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int TADSGePoint3d::Project(const TGGeCircle* pCir, ads_point rp) const
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{
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//lfy 2010-08-31
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ASSERT(pCir != NULL);
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TGGeLine aLine(TADSGePoint3d(x, y, pCir->m_ptCenter.z), pCir->m_ptCenter);
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TADSGePoint3d pt1, pt2;
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if (aLine.Intersection(pCir, pt1, pt2) == 2)
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{
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if (ads_distance(&x, pt1) < ads_distance(&x, pt2))
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{
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pt1 > rp;
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}
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else
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{
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pt2 > rp;
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}
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return RTNORM;
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}
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return RTERROR;
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}
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TADSGePoint3d TADSGePoint3d::Project(const TGGePlane* pPlan) const
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{
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ASSERT(pPlan != NULL);
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TADSGePoint3d ptEnd = *this + TVector3D(pPlan->GetParaA(), pPlan->GetParaB(), pPlan->GetParaC());
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TGGeLine ln(*this, ptEnd);
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TADSGePoint3d ptRet;
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VERIFY(pPlan->Intersect(ln, ptRet) == TRUE);
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return ptRet;
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}
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void TADSGePoint3d::GetRotationMatrix(ads_real dRot, ads_matrix mat) const
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{
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ads_matrix matRot =
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{
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{cos(dRot), -sin(dRot), 0, 0},
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{sin(dRot), cos(dRot), 0, 0},
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{0, 0, 1, 0},
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{0, 0, 0, 1}
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};
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if (*this == TADSGePoint3d())
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{
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memcpy(mat, matRot, sizeof(matRot));
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}
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else
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{
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ads_matrix matMov =
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{
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{1, 0, 0, -x},
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{0, 1, 0, -y},
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{0, 0, 1, -z},
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{0, 0, 0, 1}
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};
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ads_matrix matMov1 =
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{
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{1, 0, 0, x},
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{0, 1, 0, y},
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{0, 0, 1, z},
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{0, 0, 0, 1}
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};
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MatrixMultiply(mat, matMov1, matRot, matMov, NULL);
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}
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}
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void TADSGePoint3d::GetScaleMatrix(ads_real nScale, ads_matrix mat) const
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{
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ads_matrix matScale =
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{
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{nScale, 0, 0, 0},
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{0, nScale, 0, 0},
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{0, 0, nScale, 0},
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{0, 0, 0, 1}
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};
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if (*this == TADSGePoint3d())
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{
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memcpy(mat, matScale, sizeof(ads_matrix));
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}
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else
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{
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ads_matrix matMov =
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{
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{1, 0, 0, -x},
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{0, 1, 0, -y},
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{0, 0, 1, -z},
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{0, 0, 0, 1}
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};
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ads_matrix matMov1 =
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{
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{1, 0, 0, x},
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{0, 1, 0, y},
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{0, 0, 1, z},
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{0, 0, 0, 1}
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};
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MatrixMultiply(mat, matMov1, matScale, matMov, NULL);
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}
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}
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void TADSGePoint3d::GetScaleMatrix(ads_real sx, ads_real sy, ads_real sz, ads_matrix mat) const
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{
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ads_matrix matScale =
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{
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{sx, 0, 0, 0},
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{0, sy, 0, 0},
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{0, 0, sz, 0},
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{0, 0, 0, 1}
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};
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if (*this == TADSGePoint3d())
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{
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memcpy(mat, matScale, sizeof(ads_matrix));
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}
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else
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{
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ads_matrix matMov =
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{
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{1, 0, 0, -x},
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{0, 1, 0, -y},
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{0, 0, 1, -z},
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{0, 0, 0, 1}
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};
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ads_matrix matMov1 =
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{
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{1, 0, 0, x},
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{0, 1, 0, y},
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{0, 0, 1, z},
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{0, 0, 0, 1}
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};
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MatrixMultiply(mat, matMov1, matScale, matMov, NULL);
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}
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}
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void TADSGePoint3d::GetMoveMatrix(const TADSGePoint3d &ptDest, ads_matrix mat) const
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{
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TVector3D vt = ptDest - (*this);
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ads_matrix matMove =
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{
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{1, 0, 0, vt.x},
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{0, 1, 0, vt.y},
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{0, 0, 1, vt.z},
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{0, 0, 0, 1}
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};
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memcpy(mat, matMove, sizeof(ads_matrix));
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}
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int TADSGePoint3d::Make(const TCHAR *pszLay) const
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{
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TCHAR szLayer[80] = _T("");
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if (pszLay)
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{
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_tcscpy(szLayer, pszLay);
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}
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else
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{
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TGGetVar(_T("clayer"), szLayer);
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}
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return TchExport::MakeEntity(RTDXF0, _T("POINT"), 8, szLayer, 10, &x, NULL);
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}
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