#include <AnimPath.h>

Inheritance diagram for vtAnimPath:

Public Types
enum	InterpMode { LINEAR, CUBIC_SPLINE }

typedef std::map< double, ControlPoint >	TimeControlPointMap

Public Member Functions
	vtAnimPath (const vtAnimPath &ap)

bool	SetProjection (const vtProjection &proj)
	Must tell the AnimPath what projection its points are in, for serialization.

bool	GetMatrix (double time, FMatrix4 &matrix, bool bPosOnly) const
	Get the transformation matrix for a point in time.

virtual bool	GetInterpolatedControlPoint (double time, ControlPoint &controlPoint) const
	Get the local ControlPoint frame for a point in time.

void	Insert (double time, const ControlPoint &controlPoint)
	Insert a control point on this path.

void	RemovePoint (int index)
	Remove a control point from this path, by index.

uint	GetNumPoints ()
	Return number of control points in this path.

void	SetTimeFromLinearDistance ()

void	ProcessPoints ()

double	GetFirstTime () const

double	GetLastTime () const

double	GetPeriod () const

float	GetTotalTime ()

void	SetInterpMode (InterpMode mode)

InterpMode	GetInterpMode () const
	Returns the interpolation mode, either LINEAR or CUBIC_SPLINE.

TimeControlPointMap &	GetTimeControlPointMap ()

const TimeControlPointMap &	GetTimeControlPointMap () const

void	Empty ()

bool	IsEmpty () const

void	SetLoop (bool bFlag)

bool	GetLoop () const
	Return true if interpolation is set to loop back to the first point.

bool	Write (const char *fname)

bool	Read (const char *fname)

bool	CreateFromLineString (const vtProjection &proj, vtFeatureSet *pSet)

Protected Member Functions
void	InterpolateControlPoints (TimeControlPointMap::const_iterator &a, TimeControlPointMap::const_iterator &b, double time, ControlPoint &c) const

Protected Attributes
TimeControlPointMap	m_TimeControlPointMap

InterpMode	m_InterpMode

CubicSpline	m_Spline

bool	m_bLoop

double	m_fLoopSegmentTime

ControlPoint	m_LoopControlPoint

vtProjection	m_proj

OCT *	m_pConvertToWGS

OCT *	m_pConvertFromWGS

Friends
class	AnimPathVisitor

Detailed Description

An animation path is a series of locations (class ControlPoint) which define a path through space in world coordinates. It is useful to use in conjunction with the vtAnimPathEngine class, which can move any transform (such as scene graph object or camera) along the path.

When this object is serialized to an XML file, the points are transformed to earth coordinates in GCS(WGS84) so that the result is interoperable and terrain-independent.

Member Function Documentation

bool vtAnimPath::Read ( const char * fname)

Read the animation path from a .vtap file, a simple XML file format.

void vtAnimPath::SetInterpMode ( InterpMode mode)

inline

Set the interpolation mode, either vtAnimPath::LINEAR or vtAnimPath::CUBIC_SPLINE.

LINEAR: the position is interpolated in a straight line between each of the control points.
CUBIC_SPLINE: the position is interpolated using a cubic spline, a smooth path which passes directly through each control point.

void vtAnimPath::SetLoop ( bool bFlag)

If Loop is true, interpolation of the control points will loop back to the first point. Where N is the number of points, normal interpolation is 0,1,2,...,N-1. Loop interpolation is 0,1,2,...,N-1,0. This is like the difference between an open polyline and a closed polygon.

bool vtAnimPath::Write ( const char * fname)

Write the animation path to a .vtap file, a simple XML file format.

The documentation for this class was generated from the following files:

D:/job/3kb/gelistirme/umasoft/vtp-src/VTP/TerrainSDK/vtlib/core/AnimPath.h
D:/job/3kb/gelistirme/umasoft/vtp-src/VTP/TerrainSDK/vtlib/core/AnimPath.cpp

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Friends

Detailed Description

Member Function Documentation