org.encog.ml.world.grid

Class GridWorld

java.lang.Object

org.encog.ml.world.basic.BasicWorld

org.encog.ml.world.grid.GridWorld

All Implemented Interfaces:

World

public class GridWorld
extends BasicWorld

Field Summary

Fields

Modifier and Type	Field and Description
static Action	ACTION_EAST
static Action	ACTION_NORTH
static Action	ACTION_SOUTH
static Action	ACTION_WEST

Constructor Summary

Constructors

Constructor and Description
GridWorld(int rows, int columns)

Method Summary

Modifier and Type	Method and Description
Action	determineActionToState(GridState currentState, GridState targetState)
static double	euclideanDistance(GridState s1, GridState s2)
GridState	findClosestStateTo(java.util.List<GridState> states, GridState goalState)
GridState	findClosestStateToGoal(java.util.List<GridState> states)
java.util.List<GridState>	getAdjacentStates(GridState s)
int	getColumns()
int	getRows()
GridState	getState(int row, int column)
static boolean	isStateBlocked(GridState state)
static Action	leftOfAction(Action action)
static Action	reverseOfAction(Action action)
static Action	rightOfAction(Action action)
void	setBlocked(int row, int column)

Methods inherited from class org.encog.ml.world.basic.BasicWorld

addAction, addAgent, addGoal, addState, createAbsorbingState, getActions, getAgents, getGoals, getPolicyValue, getProbability, getStates, isGoalState, removeAgent, removeGoal, removeRewardBelow, runToGoal, setAllRewards, setPolicyValue, setProbability, tick

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ACTION_NORTH

public static final Action ACTION_NORTH

ACTION_SOUTH

public static final Action ACTION_SOUTH

ACTION_EAST

public static final Action ACTION_EAST

ACTION_WEST

public static final Action ACTION_WEST

Constructor Detail

GridWorld

public GridWorld(int rows,
                 int columns)

Method Detail

isStateBlocked

public static boolean isStateBlocked(GridState state)

getRows

public int getRows()

getColumns

public int getColumns()

getState

public GridState getState(int row,
                          int column)

leftOfAction

public static Action leftOfAction(Action action)

rightOfAction

public static Action rightOfAction(Action action)

reverseOfAction

public static Action reverseOfAction(Action action)

getAdjacentStates

public java.util.List<GridState> getAdjacentStates(GridState s)

euclideanDistance

public static double euclideanDistance(GridState s1,
                                       GridState s2)

findClosestStateTo

public GridState findClosestStateTo(java.util.List<GridState> states,
                                    GridState goalState)

determineActionToState

public Action determineActionToState(GridState currentState,
                                     GridState targetState)

findClosestStateToGoal

public GridState findClosestStateToGoal(java.util.List<GridState> states)

setBlocked

public void setBlocked(int row,
                       int column)