105 lines
2.6 KiB
C++
105 lines
2.6 KiB
C++
//-------------------------------------------------------------------------------------------------------+
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// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
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// = FileName : TPGeCoordSys 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: TPGeCoordSys 相对坐标系声明
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// = Maintainers:
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//
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//-------------------------------------------------------------------------------------------------------+
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#ifndef _TPGECOORDSYS_H_
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#define _TPGECOORDSYS_H_
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#ifndef _TGPOINT_H_
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#include "TGPoint.h"
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#endif
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#ifndef _TGVECTOR3D_H_
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#include "TGVector3D.h"
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#endif
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#ifndef _TPGEPLANE_H_
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#include "TPGePlane.h"
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#endif
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class TGMatrix;
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class GEOAPI TPGeCoordSys
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{
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public:
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TPGeCoordSys();
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TPGeCoordSys(const TGPoint& pt,const TGVector3D& z,bool bRight = true);
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TPGeCoordSys(const TGPoint& pt,const TGVector3D& x,const TGVector3D& y,const TGVector3D& z);
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TPGeCoordSys(const TGPoint& pt,const TGVector3D& x,const TGVector3D& vt,bool bRight = true);
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TPGeCoordSys(const TGPoint& pt,const TGPoint& xPt,const TGPoint& yPt,bool bRight = true);
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TPGeCoordSys(const TPGePlane& plane,bool bRight = true);
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virtual ~TPGeCoordSys();
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//设为世界坐标系
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void Reset();
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void Normalize();
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void Set(const TGPoint& pt, const TGVector3D& x, const TGVector3D& y, const TGVector3D& z);
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//以下三个函数如果是右手系,反向叉乘得到未知的两个轴矢量
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void Set(const TGPoint& pt, const TGVector3D& x, const TGVector3D& vt, bool bRight = true);
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//vt为XY平面上一个取样矢量,影响Z轴方向
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void Set(const TGPoint& pt, const TGPoint& xPt, const TGPoint& yPt, bool bRight = true);
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//yPt为XY平面上的一个取样点,影响Z轴方向,X轴为Z.GetVertVector()
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void Set(const TGPoint& pt,const TGVector3D& z,bool bRight = true);
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void Set(const TPGePlane& plane,bool bRight = true);
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//Z轴为平面法线，XY平面与plane重合,X轴为平面法线GetVertVector()
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void TransformBy(const TGMatrix* pMat);
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//轴矢量为单位矢量，且轴矢量不平行
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bool IsValid() const;
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//从世界坐标系向this变换
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void GetMatrixTo(TGMatrix* pMat) const;
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void TransUcs(TGPoint& pt) const;
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void TransUcs(TGVector3D& vt) const;
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//从this向世界坐标变换
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void GetMatrixFrom(TGMatrix* pMat) const;
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void TransWcs(TGPoint& pt) const;
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void TransWcs(TGVector3D& vt) const;
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//世界坐标系在this坐标系中的表示
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void GetWcs(TPGeCoordSys& sys) const;
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void GetXYPlane(TPGePlane& plane) const;
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void GetYZPlane(TPGePlane& plane) const;
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void GetZXPlane(TPGePlane& plane) const;
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public:
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//世界坐标系
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static TPGeCoordSys WCS;
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//原点在世界坐标系下的坐标
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TGPoint origin;
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//世界坐标系下的单位矢量
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TGVector3D xAxis,yAxis,zAxis;
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};
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#endif |