envi-code/SourceCode/Code2026/tg_shs/shs_subgeLib/TGPCurve3D.cpp

//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TGPCurve3D.cpp
// = Version	:   ver2.0
// = Author		:   xlc
// = CreateDate	:   2002-09-09
// = Description:   ÀàµÄ¶¨Òå
// = Maintainers: 
//                  
//-----------------------------------------------------------------------------+
#include "StdAfx.h"
#include "TGPCurve3D.h"
#include "TGPlane3D.h"

IMPLEMENT_RUN_TIME_CLASS1(TGPCurve3D,"TGPCurve3D",TPGeCurve3D)

TGPCurve3D::TGPCurve3D(TPGeCurve2D* pCurve)
	: pCurve2d(pCurve)
{

}

TGPCurve3D::TGPCurve3D(const TGPCurve3D&curve)
	: pCurve2d(NULL)
{
	*this = curve;
}

TGPCurve3D::~TGPCurve3D()
{
	Clear();
}

void TGPCurve3D::Clear()
{
	if (pCurve2d != NULL)
	{
		delete pCurve2d;
	}
	pCurve2d = NULL;
}

bool TGPCurve3D::IsClosed() const
{
	return pCurve2d->IsClosed();
}

bool TGPCurve3D::IsSelfCross() const
{
	return pCurve2d->IsSelfCross();
}

bool TGPCurve3D::IsFinite(bool bStart) const
{
	return pCurve2d->IsFinite(bStart);
}

double TGPCurve3D::Area() const
{
	return pCurve2d->Area();
}

double TGPCurve3D::Length() const
{
	return pCurve2d->Length();
}

void TGPCurve3D::Reverse()
{
	pCurve2d->Reverse();
}

bool TGPCurve3D::GetPlane(TPGePlane&plane) const
{
	ecs.GetXYPlane(plane);
	return true;
}

bool TGPCurve3D::IsValid() const
{
	return pCurve2d != NULL && pCurve2d->IsValid() && ecs.IsValid();
}

bool TGPCurve3D::GetEcs(TPGeCoordSys&ECS) const
{
	ECS = ecs;
	return true;
}

TGObject* TGPCurve3D::Clone() const
{
	return new TGPCurve3D(*this);
}

TGPCurve3D& TGPCurve3D::operator = (const TGPCurve3D&curve)
{
	Clear();

	TPGeCurve3D::operator = (curve);
	ecs = curve.ecs;
	if (curve.pCurve2d != NULL)
	{
		pCurve2d = (TPGeCurve2D*)(curve.pCurve2d->Clone());
	}
	return *this;
}

bool TGPCurve3D::Explode(TGObjectList&res) const
{
	TGObjectList buf;
	if (pCurve2d->Explode(buf))
	{
		buf.Convert3D();

		TGMatrix mat;
		ecs.GetMatrixFrom(&mat);
		buf.TransformBy(mat);

		if (!buf.IsEmpty())
		{
			res.Conbine(buf);
			return true;
		}
	}
	else if (IS_CLASS(pCurve2d,TPGeGLine2D))
	{
		TGObject3D *p3d = pCurve2d->Convert3D();
		TransWcs(p3d);
		res << p3d;
		return true;
	}

	return false;
}

void TGPCurve3D::TransformBy(const TGMatrix&mat)
{
}

TGObject2D* TGPCurve3D::Convert2D() const
{
	return NULL;
}

bool TGPCurve3D::GetExtend2D(TPGeExtend2D&ext) const
{
	switch(pCurve2d->GetClassID())
	{
	case CID_GLine2D:
	case CID_GLineRay2D:
		return false;
	case CID_GCircle2D:
		return false;
	case CID_GArc2D:
		return false;
	}
	return TPGeCurve3D::GetExtend2D(ext);
}

bool TGPCurve3D::GetExtend3D(TPGeExtend3D&ext) const
{
	switch(pCurve2d->GetClassID())
	{
	case CID_GLine2D:
	case CID_GLineRay2D:
		return false;
	case CID_GCircle2D:
		return false;
	case CID_GArc2D:
		return false;
	}
	return TPGeCurve3D::GetExtend3D(ext);
}

TPGeCurve3D* TGPCurve3D::GetSubCurve(double pa0,double pa1) const
{
	TGPCurve3D* pSeg3d = new TGPCurve3D((TPGeCurve2D*)pCurve2d->GetSubCurve(pa0,pa1));
	pSeg3d->ecs = ecs;
	return pSeg3d;
}

void TGPCurve3D::Split(const TTable<double>&paTable,TGObjectList&res) const
{
	TGObjectList buf;
	pCurve2d->Split(paTable,buf);
	for (buf.MoveToFirst(); !buf.IsOut(); buf.MoveToNext())
	{
		TGPCurve3D* pSeg3d = new TGPCurve3D((TPGeCurve2D*)buf.GetCurData());
		pSeg3d->ecs = ecs;
		buf.SetCurData(pSeg3d);
	}

	res.Conbine(buf);
}

void TGPCurve3D::Pa2Pt(double pa,TGPoint&pt) const
{
	pCurve2d->Pa2Pt(pa,pt);
	ecs.TransWcs(pt);
}

void TGPCurve3D::Pt2Pa(const TGPoint&pt,double&pa) const
{
	TGPoint ptTest = pt;
	ecs.TransUcs(ptTest);
	pCurve2d->Pt2Pa(ptTest,pa);
}

bool TGPCurve3D::Intersect(const TGObject&obj,TGObjectList&res) const
{
	TGPlane3D plane;
	GetPlane(plane);

	TGObjectList buf;

	if (!plane.Intersect(obj,buf))
	{
		return false;
	}

	if (IS_TYPE(buf[0],TGPlane3D))
	{
		res << Clone();
	}
	else
	{
		TGMatrix mat;
		ecs.GetMatrixTo(&mat);
		buf.TransformBy(mat);
		buf.Convert2D();

		TGObjectList res2d;
		buf.Intersect(*pCurve2d,res2d);
		if (res2d.IsEmpty())
		{
			return false;
		}

		res2d.Convert3D();
		mat.Reverse();
		res2d.TransformBy(mat);
		res.Conbine(res2d);
	}
	return true;
}

bool TGPCurve3D::IsInclude(const TGObject&obj) const
{
	if (IS_CLASS(&obj,TPGeCurve3D))
	{
		const TPGeCurve3D&curve3d = (const TPGeCurve3D&)obj;
		TGPlane3D plane;
		GetPlane(plane);

		if (plane.IsInclude(curve3d))
		{
			TPGeCurve3D *p3d = (TPGeCurve3D*)curve3d.Clone();
			TransEcs(p3d);
		
			TGObject2D* p2d = p3d->Convert2D();
			bool bRes = pCurve2d->IsInclude(*p2d);
			delete p3d;
			delete p2d;
			return bRes;
		}
		return false;
	}
	return TPGeCurve3D::IsInclude(obj);
}

GRelation TGPCurve3D::HitTest(const TGPoint&pt) const
{
	TGPoint ptTest = pt;
	ecs.TransUcs(ptTest);

	GRelation r = pCurve2d->HitTest(ptTest);
	if (UP_ZEROD(ptTest.z))
	{
		r.RemoveFlag(GR_IN);
		r.AddFlag(GR_UP);
	}
	else if (DOWN_ZEROD(ptTest.z))
	{
		r.RemoveFlag(GR_IN);
		r.AddFlag(GR_DOWN);
	}

	return r;
}