envi-code/SourceCode/Code2026/tg_shs/shs_subgeLib/TPGeDscPoint3D.cpp

//-------------------------------------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TPGeDscPoint3D Àà
// = Version	:   ver2.0
// = Author		:   wlw
// = CreateDate	:   2002-09-09
// = Description:   TPGeDscPoint3D ¶¨Òå
// = Maintainers: 
//                  
//-------------------------------------------------------------------------------------------------------+
#include "StdAfx.h"
#include "TPGeDscPoint3D.h"
#include "TGPoint3D.h"

TPGeDscPoint3D::TPGeDscPoint3D(double X,double Y,double Z,double value) 
	: TGPoint(X,Y,Z),m_fValue(value),m_ptCount(1)
{

}

TPGeDscPoint3D::TPGeDscPoint3D(const TPGeDscPoint3D &pt) 
	: TGPoint(pt),m_fValue(pt.GetValue()),m_ptCount(1)
{

}

TPGeDscPoint3D::~TPGeDscPoint3D()
{
	
}

void TPGeDscPoint3D::SetValue(double value)
{
	m_fValue = value;
}

double TPGeDscPoint3D::GetValue()const
{
	return m_fValue;
}

long TPGeDscPoint3D::GetEdgeNum()const
{
	return allEdge.GetLength();
}

void TPGeDscPoint3D::AppendEdge(TPGeDscEdge3D*p)
{
	allEdge.AddTail(p);
}

void TPGeDscPoint3D::RemoveEdge(TPGeDscEdge3D*p)
{
	allEdge.FindAndDel(p);
}

TGPoint3D* TPGeDscPoint3D::CreatePoint()
{
	return new TGPoint3D(*this);
}

TPGeDscEdge3D* TPGeDscPoint3D::FindEdge(TPGeDscPoint3D*pPtTo)
{
	for(allEdge.MoveToFirst();!allEdge.IsOut();allEdge.MoveToNext())
	{
		TPGeDscEdge3D*pEdge = allEdge.GetCurData();
		if(pEdge->GetNextPoint(this) == pPtTo)
		{
			return pEdge;
		}
	}
	return NULL;
}

void TPGeDscPoint3D::RemoveAllEdge()
{
	for(allEdge.MoveToLast();!allEdge.IsOut();)
	{
		TPGeDscEdge3D*pEdge = allEdge.GetCurData();
		allEdge.DelCur();
		pEdge->GetNextPoint(this)->RemoveEdge(pEdge);
	}
}

void TPGeDscPoint3D::GetConnectPoint(TTable<TPGeDscPoint3D*> &connectPoint)
{
	for(allEdge.MoveToFirst();!allEdge.IsOut();allEdge.MoveToNext())
	{
		TPGeDscEdge3D*pEdge = allEdge.GetCurData();
		connectPoint << pEdge->GetNextPoint(this);
	}
}

TPGeDscPoint3D* TPGeDscPoint3D::GetFitPoint(double value,double vSnap)
{
	if(allEdge.IsEmpty())
	{
		return NULL;
	}

	TPGeDscPoint3D *pPtFit = new TPGeDscPoint3D(x,y,z,value);
	bool bUsed = false;

	if(EQUAL_ZERO(m_fValue-value))
	{
		for(allEdge.MoveToFirst();!allEdge.IsOut();allEdge.MoveToNext())
		{
			TPGeDscEdge3D *pEdge = allEdge.GetCurData();
			TPGeDscPoint3D *pOtherPt = pEdge->GetNextPoint(this);
			if(!EQUAL_ZERO(pOtherPt->GetValue() - value))
			{
				if(!EQUAL_ZERO(pOtherPt->GetValue() - vSnap))
				{
					pEdge->pPtFit = pPtFit;
					bUsed = true;
				}
			}
		}
		if(bUsed)
		{
			return pPtFit;
		}
		else
		{
			delete pPtFit;
			return NULL;
		}
	}

	if(EQUAL_ZERO(GetValue() - vSnap))
	{
		for(allEdge.MoveToFirst();!allEdge.IsOut();allEdge.MoveToNext())
		{
			TPGeDscEdge3D *pEdge = allEdge.GetCurData();
			TPGeDscPoint3D *pOtherPt = pEdge->GetNextPoint(this);
			if(!EQUAL_ZERO(pOtherPt->GetValue() - vSnap))
			{
				double dTotal = fabs(pOtherPt->GetValue() - GetValue());
				double d1 = fabs(pOtherPt->GetValue() - value);
				double d2 = fabs(GetValue() - value);
				if(EQUAL_ZERO(dTotal - d1 - d2))
				{
					pEdge->pPtFit = pPtFit;
					bUsed = true;
				}
			}
		}
		if(bUsed)
		{
			return pPtFit;
		}
		else
		{
			delete pPtFit;
			return NULL;
		}
	}

	return NULL;
}

TPGeDscPoint3D* TPGeDscPoint3D::FindNext(TPGeDscEdge3D*&pEdge)
{
	allEdge.FindTo(pEdge);
	long oldCur = allEdge.GetCur();
	allEdge.MoveToNext();
	if(allEdge.IsOut())
	{
		allEdge.MoveToFirst();
	}

	pEdge = allEdge.GetCurData();
	if(pEdge->Is(VISITED))
	{
		if(allEdge.GetLength() > 2)
		{
			allEdge.MoveTo(oldCur);
			allEdge.MoveToPre();
			if(allEdge.IsOut())
			{
				allEdge.MoveToLast();
			}
			pEdge = allEdge.GetCurData();
			if(pEdge->IsNot(VISITED))
			{
				pEdge->AddFlag(VISITED);
				return pEdge->GetNextPoint(this);
			}
		}
		return NULL;
	}
	else
	{
		pEdge->AddFlag(VISITED);
		return pEdge->GetNextPoint(this);
	}
}

void TPGeDscPoint3D::AppendValue(double value)
{
	double total = m_ptCount * GetValue() + value;
	m_ptCount++;
	SetValue(total / m_ptCount);
}