VAPoints Class Reference

Represents a set of points on the field. More...

#include <VAPoints.h>

Collaboration diagram for VAPoints:

[legend]List of all members.

Public Types
enum	{ MIN_HEIGHT_FOR_MAX_VALIDITY = 4 }
	minimum height of maximum to get maximal validity More...
enum	{ GRID_SPACING = 100 }
	The space between grid points. More...
enum	{ NUMBER_OF_GRID_POINTS_X = (xPosFrontFlags - xPosBackFlags) / GRID_SPACING }
	The number of grid points in x-direction. More...
enum	{ NUMBER_OF_GRID_POINTS_Y = (yPosLeftFlags - yPosRightFlags) / GRID_SPACING }
	The number of grid points in y-direction. More...
enum	{ FADE_OUT_TIME2 = 6000 }
Public Member Functions
	VAPoints (int numberOfVAPoints=100, int numberOfMaxima=4)
	Constructor.
	~VAPoints ()
	Destructor.
void	addPoint (int x, int y, double validity, unsigned long timestamp)
	Adds a point to the set, if necessary an old point is overwritten.
int	findInsertPos ()
	Returns the index of the next position in the set, where a point can be added/set.
void	searchMaxima ()
	Searches maxima of points on the field.
bool	getMaximum (int index, int &x_position, int &y_position, double &validity)
	Gets the position of a maximum and stores the coordinates in x_position and y_position.
void	pointsToField ()
	Adds the points to the field.
void	updateGridByPoint (int xPos, int yPos, double relevance)
	Updates the grid with one point.
void	incrementGridPoint (int xIndex, int yIndex, double increment)
	Increments a value in the grid.
void	getGridIndices (int xPos, int yPos, int &xIndex, int &yIndex)
	Get indices of the grid for positions on the field.
void	getFieldPoints (int xIndex, int yIndex, int &xPos, int &yPos)
	Get positions on the field for indices of the grid.
bool	isLokMax (int xIndex, int yIndex)
	Tests if the specified grid point is a lokal maxima.
Public Attributes
VAPoint *	points
	The Set of Points.
int	numberOfVAPoints
	The number of points in the set.
double	field [NUMBER_OF_GRID_POINTS_X][NUMBER_OF_GRID_POINTS_Y]
	The grid representing the field.
Maximum *	maxima
	The maxima on field.
int	numberOfMaxima
	Number of maxima on field.
unsigned long	timeOfLastMaximaSearch

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Detailed Description

Represents a set of points on the field.

Definition at line 69 of file VAPoints.h.

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Member Enumeration Documentation

anonymous enum

minimum height of maximum to get maximal validity Enumeration values: MIN_HEIGHT_FOR_MAX_VALIDITY  Definition at line 74 of file VAPoints.h.

anonymous enum

The space between grid points. Enumeration values: GRID_SPACING  Definition at line 76 of file VAPoints.h.

anonymous enum

The number of grid points in x-direction. Enumeration values: NUMBER_OF_GRID_POINTS_X  Definition at line 78 of file VAPoints.h.

anonymous enum

The number of grid points in y-direction. Enumeration values: NUMBER_OF_GRID_POINTS_Y  Definition at line 80 of file VAPoints.h.

anonymous enum

Enumeration values: FADE_OUT_TIME2  Definition at line 82 of file VAPoints.h.

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Constructor & Destructor Documentation

VAPoints::VAPoints (  int  numberOfVAPoints = 100, int  numberOfMaxima = 4 )

Constructor. Definition at line 20 of file VAPoints.cpp. References SystemCall::getCurrentSystemTime(), maxima, VAPoint::relevance, and timeOfLastMaximaSearch.

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VAPoints::~VAPoints (   )

Destructor. Definition at line 46 of file VAPoints.cpp. References maxima.

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Member Function Documentation

void VAPoints::addPoint (  int  x, int  y, double  validity, unsigned long  timestamp )

Adds a point to the set, if necessary an old point is overwritten. Parameters: x  The x coordinate of the point y  The y coordinate of the point validity  The validity of the point timestamp  The timestamp of the point Definition at line 52 of file VAPoints.cpp. References FADE_OUT_TIME2, SystemCall::getTimeSince(), and updateGridByPoint(). Referenced by GT2004PlayersLocator::addOppPlayerPercepts(), GT2004PlayersLocator::addOwnPlayerPercepts(), and GT2004PlayersLocator::execute().

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int VAPoints::findInsertPos (   )

Returns the index of the next position in the set, where a point can be added/set. Returns: The index of the next position Definition at line 75 of file VAPoints.cpp. References VAPoint::getRelevance(), and numberOfVAPoints.

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void VAPoints::searchMaxima (   )

Searches maxima of points on the field. Definition at line 93 of file VAPoints.cpp. References FADE_OUT_TIME2, SystemCall::getCurrentSystemTime(), SystemCall::getTimeSince(), Maximum::height, isLokMax(), maxima, MIN_HEIGHT_FOR_MAX_VALIDITY, numberOfMaxima, timeOfLastMaximaSearch, Maximum::x, and Maximum::y. Referenced by GT2004PlayersLocator::execute().

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bool VAPoints::getMaximum (  int  index, int &  x_position, int &  y_position, double &  validity )

Gets the position of a maximum and stores the coordinates in x_position and y_position. The parameter index is limited. If no maximum with that index exists, the return value is false. Parameters: index  The index of the maximum x_position  A reference to the varible storing the x coordinat y_position  A reference to the varible storing the y coordinat validity  A reference to the varible storing the validity Returns: True, if there is an obstacle at the given index, otherwise false Definition at line 179 of file VAPoints.cpp. References getFieldPoints(), Maximum::height, maxima, MIN_HEIGHT_FOR_MAX_VALIDITY, and numberOfMaxima. Referenced by GT2004PlayersLocator::execute().

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void VAPoints::pointsToField (   )

Adds the points to the field. Definition at line 202 of file VAPoints.cpp. References numberOfVAPoints, and updateGridByPoint().

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void VAPoints::updateGridByPoint (  int  xPos, int  yPos, double  relevance )

Updates the grid with one point. Parameters: xPos  The x coordinat on the field yPos  The y coordinat on the field relevance  The relevance of the point to add Definition at line 221 of file VAPoints.cpp. References GAUSS0, getGridIndices(), and incrementGridPoint(). Referenced by addPoint(), and pointsToField().

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void VAPoints::incrementGridPoint (  int  xIndex, int  yIndex, double  increment )

Increments a value in the grid. Parameters: xIndex  The x index of the grid yIndex  The y index of the grid increment  The increment for this position in the grid Definition at line 310 of file VAPoints.cpp. References MIN_HEIGHT_FOR_MAX_VALIDITY. Referenced by updateGridByPoint().

void VAPoints::getGridIndices (  int  xPos, int  yPos, int &  xIndex, int &  yIndex )

Get indices of the grid for positions on the field. Parameters: xPos  The x coordinat on the field yPos  The y coordinat on the field xIndex  A reference to the variable storing the x index of the grid yIndex  A reference to the variable storing the y index of the grid Definition at line 322 of file VAPoints.cpp. Referenced by updateGridByPoint().

void VAPoints::getFieldPoints (  int  xIndex, int  yIndex, int &  xPos, int &  yPos )

Get positions on the field for indices of the grid. Parameters: xIndex  The x index of the grid yIndex  The y index of the grid xPos  A reference to the variable storing the x coordinat on the field yPos  A reference to the variable storing the y coordinat on the field Definition at line 339 of file VAPoints.cpp. Referenced by getMaximum().

bool VAPoints::isLokMax (  int  xIndex, int  yIndex )

Tests if the specified grid point is a lokal maxima. Parameters: xIndex  The x index of the grid yIndex  The y index of the grid Definition at line 345 of file VAPoints.cpp. Referenced by searchMaxima().

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Member Data Documentation

VAPoint* VAPoints::points

The Set of Points. Definition at line 171 of file VAPoints.h. Referenced by operator<<(), and operator>>().

int VAPoints::numberOfVAPoints

The number of points in the set. Definition at line 173 of file VAPoints.h. Referenced by findInsertPos(), operator<<(), operator>>(), and pointsToField().

double VAPoints::field[NUMBER_OF_GRID_POINTS_X][NUMBER_OF_GRID_POINTS_Y]

The grid representing the field. Definition at line 176 of file VAPoints.h.

Maximum* VAPoints::maxima

The maxima on field. Definition at line 178 of file VAPoints.h. Referenced by getMaximum(), searchMaxima(), VAPoints(), and ~VAPoints().

int VAPoints::numberOfMaxima

Number of maxima on field. Definition at line 180 of file VAPoints.h. Referenced by getMaximum(), and searchMaxima().

unsigned long VAPoints::timeOfLastMaximaSearch

Definition at line 182 of file VAPoints.h. Referenced by searchMaxima(), and VAPoints().

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

• Modules/PlayersLocator/VAPoints.h
• Modules/PlayersLocator/VAPoints.cpp

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