Utility (API V2.11)

repast.simphony.relogo.Utility

ReLogo Utility class.
Authors:
jozik

Field Summary

Fields
Modifiers	Name	Description
`static int`	`PEN_DOWN`
`static int`	`PEN_ERASE`
`static int`	`PEN_UP`

Methods Summary

Methods
Type Params	Return Type	Name and description
	`static double`	`abs(Number n)` Returns the absolute value of a number.
	`static double`	`acos(Number a)` Returns the arc cosine of a number.
	`static AgentSet`	`agentSetFromIterable(Iterable i)`
`<E extends ReLogoAgent>`	`static AgentSet<E>`	`agentSetFromIterator(Iterator<E> i)`
	`static AgentSet<Link>`	`allLinksU(Observer observer)` Returns the agentset of all links.
	`static boolean`	`allQU(Collection<? extends ReLogoAgent> a, Closure closure)` Queries if all agents in a collection are true for a boolean closure.
	`static boolean`	`allQU(Object caller, Collection<? extends ReLogoAgent> a, Closure closure)`
	`static double`	`angleFromDisplacement(double dX, double dY)` Returns the angle in degrees corresponding to the displacement (dX, dY).
	`static boolean`	`anyQ(Collection a)` Queries if there exist any agents in an agentset.
	`static void`	`approximateHsb()`
	`static void`	`approximateRgb()`
	`static double`	`asin(Number a)` Returns the arc sine of a number.
	`static double`	`atan(Number x, Number y)` Changes x,y offsets to degrees.
	`static void`	`autoPlotOff()` Does nothing, included for translation compatibility.
	`static void`	`autoPlotOn()` Does nothing, included for translation compatibility.
	`static boolean`	`autoplotQ()` Does nothing, included for translation compatibility.
	`static List`	`baseColors()` Lists fundamental colors.
	`static double`	`black()` Returns the numerical value corresponding to the color black.
	`static double`	`blue()` Returns the numerical value corresponding to the color blue.
	`static double`	`brown()` Returns the numerical value corresponding to the color brown.
`<E>`	`static List<E>`	`butFirst(List<E> a)` Returns a list minus first item.
	`static String`	`butFirst(String s)` Returns a string minus first character.
`<E>`	`static List<E>`	`butLast(List<E> a)` Returns a list minus last item.
	`static String`	`butLast(String s)` Returns a string minus last character.
	`static double`	`ceiling(Number num)` Returns smallest integer greater than or equal to a number.
	`static void`	`checkToPause()`
	`static void`	`clearAllPlots()` Does nothing, included for translation compatibility.
	`static void`	`clearPlot()` Does nothing, included for translation compatibility.
	`static AgentSet`	`combineAgentSets(AgentSet a1, AgentSet a2)`
	`static double`	`cos(Number num)` Returns the cosine of an angle.
	`static int`	`count(Collection a)` Returns total number of agents in an agentset.
	`static void`	`createTemporaryPlotPen()` Does nothing, included for translation compatibility.
	`static double`	`cyan()` Returns the numerical value corresponding to the color cyan.
	`static String`	`dateAndTime()` Returns the current date and time.
	`static void`	`display()` Does nothing, included for translation compatibility.
	`static double`	`e()` Returns the exponential.
	`static boolean`	`emptyQ(String string)` Queries if a string is empty.
	`static boolean`	`emptyQ(Collection c)` Queries if a list is empty.
	`static void`	`extractHsb(Number color)`
	`static void`	`extractRgb(Number color)`
`<E>`	`static E`	`first(List<E> a)` Returns the first item in a list.
	`static String`	`first(String s)` Returns the first character in a string.
	`static Collection`	`flatten(Collection c)`
	`static double`	`floor(Number num)` Returns largest integer less than or equal to a number.
	`static void`	`flushFileSinks()` Flush file data sinks.
	`static ArrayList`	`fput(Object item, List list)` Appends item to the front of a list then returns the new list.
	`static AgentSet`	`getAgentSetOfClass(Class E, Observer observer)`
	`static List<Network>`	`getDirectedNetworks(Observer observer)`
	`static double[]`	`getDisplacementFromHeadingAndDistance(double heading, double distance)` Returns the displacement double array corresponding to moving in the "heading" direction for distance "distance".
	`static GridPoint`	`getGridPointAtDisplacement(NdPoint currentLocation, double[] displacement, Observer observer)` Returns the GridPoint object of the grid location corresponding to the displacement from the NdPoint currentLocation.
	`static int`	`getMaxPxcorU(Observer observer)` Returns the maximum x coordinate for all patches.
	`static int`	`getMaxPycorU(Observer observer)` Returns the maximum y coordinate for all patches.
	`static int`	`getMinPxcorU(Observer observer)` Returns the minimum x coordinate for all patches.
	`static int`	`getMinPycorU(Observer observer)` Returns the minimum y coordinate for all patches.
	`static double`	`getNLAngle(double angleInDegrees)` Returns the Logo appropriate angle, i.e., between 0 to <360, given an angle in degrees.
	`static Observer`	`getObserverByID(String observerID)`
	`static Patch`	`getPatchAtLocation(GridPoint gridPoint, Observer observer)` Returns the Patch object at the gridPoint location.
	`static AgentSet<Turtle>`	`getTurtleAgentSetOfType(String typeName, Observer observer)`
	`static AgentSet<Turtle>`	`getTurtlesOnGridPoint(GridPoint patchLocation, Observer observer)` Returns the turtles on the patch corresponding to the patchLocation GridPoint.
	`static AgentSet<Turtle>`	`getTurtlesOnGridPoint(GridPoint patchLocation, Observer observer, Class type)` Returns the turtles of this type on the patch corresponding to the patchLocation GridPoint.
	`static AgentSet<Turtle>`	`getTurtlesOnGridPoint(GridPoint patchLocation, Observer observer, String typeName)` Returns the turtles of this typeName on the patch corresponding to the patchLocation GridPoint.
	`static List<Network>`	`getUndirectedNetworks(Observer observer)`
	`static ArrayList`	`getWayPoints(Observer observer)`
	`static double`	`gray()` Returns the numerical value corresponding to the color gray.
	`static double`	`green()` Returns the numerical value corresponding to the color green.
	`static void`	`histogram()` Does nothing, included for translation compatibility.
	`static List`	`hsb(Number hh, Number ss, Number bb)` Returns a rgb color list.
	`static int`	`intPart(Number num)` Returns the integer portion of a number.
	`static boolean`	`isAgentQ(Object o)` Queries if object is an agent.
	`static boolean`	`isAgentSetQ(Object o)` Queries if object is an agentset.
	`static boolean`	`isBooleanQ(Object o)` Queries if object is a boolean.
	`static boolean`	`isDirectedLinkQ(Object o)` Queries if object is a directed link.
	`static boolean`	`isLinkQ(Object o)` Queries if object is a link.
	`static boolean`	`isLinkSetQ(Object o)` Queries if object is an agentset of links.
	`static boolean`	`isListQ(Object o)` Queries if object is a list.
	`static boolean`	`isNumberQ(Object o)` Queries if object is a number.
	`static boolean`	`isPatchQ(Object o)` Queries if object is a patch.
	`static boolean`	`isPatchSetQ(Object o)` Queries if object is an agentset of patches.
	`static boolean`	`isStringQ(Object o)` Queries if object is a string.
	`static boolean`	`isTurtleQ(Object o)` Queries if object is a turtle.
	`static boolean`	`isTurtleSetQ(Object o)` Queries if object is an agentset of turtles.
	`static boolean`	`isUndirectedLinkQ(Object o)` Queries if object is an undirected link.
`<E>`	`static E`	`item(int i, List<E> a)` Returns item i in a list.
	`static String`	`item(int i, String s)` Returns character i in a string.
`<E>`	`static E`	`last(List<E> a)` Returns the last item in a list.
	`static String`	`last(String s)` Returns the last character in a string.
	`static int`	`length(Collection c)` Returns the number of items in a collection.
	`static int`	`length(String s)` Returns the number of characters in a string.
	`static double`	`lime()` Returns the numerical value corresponding to the color lime.
	`static Link`	`linkDir(int oneEnd, int otherEnd, Observer observer)`
	`static AgentSet<Link>`	`linkSet(Object... args)` Collects arguments into an agenset of links.
	`static Link`	`linkU(int oneEnd, int otherEnd, Observer observer)` Returns the link between two turtles.
	`static Link`	`linkUndir(int oneEnd, int otherEnd, Observer observer)`
	`static AgentSet<Link>`	`linksU(Observer observer)` Returns the agentset of all generic links.
	`static double`	`ln(Number num)` Returns the natural logarithm of a number
	`static double`	`log(Number num, Number base)` Returns the logarithm of a number.
	`static ArrayList`	`lput(Object item, List list)` Appends item to the end of a list then returns the new list.
	`static double`	`magenta()` Returns the numerical value corresponding to the color magenta.
	`static Number`	`max(Collection c)` Returns the largest number in a collection.
	`static AgentSet`	`maxNOfU(int number, Collection<? extends ReLogoAgent> a, Closure closure)` Returns an agentset consisting of a specified number of agents which have the greatest value when operated on by a set of commands.
	`static AgentSet`	`maxNOfU(Object caller, int number, Collection<? extends ReLogoAgent> c, Closure closure)`
	`static ReLogoAgent`	`maxOneOfU(Collection<? extends ReLogoAgent> a, Closure closure)` Returns the ReLogoAgent with the largest value when operated on by a set of commands.
	`static ReLogoAgent`	`maxOneOfU(Object caller, Collection<? extends ReLogoAgent> a, Closure closure)`
	`static double`	`mean(Collection a)` Returns the mean of a collection of numbers.
	`static double`	`median(Collection a)` Returns the median of a collection of numbers.
	`static boolean`	`memberQ(Object value, Collection c)` Queries if a value is in a collection.
	`static boolean`	`memberQ(String string1, String string2)` Queries if a string is within another string.
	`static Number`	`min(Collection c)` Returns the smallest number in a collection.
	`static AgentSet`	`minNOfU(int number, Collection<? extends ReLogoAgent> a, Closure closure)` Returns an agentset consisting of a specified number of agents which have the lowest value when operated on by a set of commands.
	`static AgentSet`	`minNOfU(Object caller, int number, Collection<? extends ReLogoAgent> a, Closure closure)`
	`static ReLogoAgent`	`minOneOfU(Collection<? extends ReLogoAgent> a, Closure closure)` Returns the ReLogoAgent with the smallest value when operated on by a set of commands.
	`static ReLogoAgent`	`minOneOfU(Object caller, Collection<? extends ReLogoAgent> a, Closure closure)`
	`static double`	`mod(Number number1, Number number2)` The modulus operator.
`<E extends ReLogoAgent>`	`static AgentSet<E>`	`nOf(int number, AgentSet<E> a)` Returns a random subset of an agentset of size number.
`<E>`	`static List<E>`	`nOf(int number, Collection<E> c)` Returns a random subset of a collection of size number.
	`static List`	`nValues(int number, Closure closure)` Returns a list of length number from running the set of commands number times.
	`static GridPoint`	`ndPointToGridPoint(NdPoint loc)` Given a continuous space location, return the corresponding grid location as a GridPoint.
	`static int[]`	`ndPointToIntArray(NdPoint loc)` Given a continuous space location, return the corresponding grid location as an int array.
	`static int`	`newSeed()` Returns a number to seed the random number generator.
	`static AgentSet<Link>`	`noLinks()` Returns an empty agentset (of links).
	`static AgentSet<Patch>`	`noPatches()` Returns an empty agentset (of patches).
	`static AgentSet<Turtle>`	`noTurtles()` Returns an empty agentset (of turtles).
	`static void`	`observerStop()`
`<X>`	`static X`	`oneOf(Collection<X> c)` Returns a random item from a list.
	`static double`	`orange()` Returns the numerical value corresponding to the color orange.
	`static AgentSet<Patch>`	`patchSet(Object... args)` Collects arguments into an agenset of patches.
	`static Patch`	`patchU(double x, double y, Observer observer)` Returns the patch containing a point.
	`static AgentSet<Patch>`	`patchesU(Observer observer)`
	`static void`	`pause()` Pause the simulation.
	`static void`	`pauseReLogo()`
	`static double`	`pi()` Returns the number for pi.
	`static double`	`pink()` Returns the numerical value corresponding to the color pink.
	`static void`	`plot(Number point)` Does nothing, included for translation compatibility.
	`static String`	`plotName()` Does nothing, included for translation compatibility.
	`static void`	`plotPenDown()` Does nothing, included for translation compatibility.
	`static boolean`	`plotPenExistsQ()` Does nothing, included for translation compatibility.
	`static void`	`plotPenReset()` Does nothing, included for translation compatibility.
	`static void`	`plotPenUp()` Does nothing, included for translation compatibility.
	`static double`	`plotXMax()` Does nothing, included for translation compatibility.
	`static double`	`plotXMin()` Does nothing, included for translation compatibility.
	`static double`	`plotYMax()` Does nothing, included for translation compatibility.
	`static double`	`plotYMin()` Does nothing, included for translation compatibility.
	`static void`	`plotxy(Number num1, Number num2)` Does nothing, included for translation compatibility.
	`static Object`	`position(Object item, List list)` Returns the position of the first occurrence of an item in a list.
	`static Object`	`position(String string1, String string2)` Returns the position of the first occurrence of a string within another string.
	`static BigDecimal`	`precision(BigDecimal b, int places)` Returns a number with precision to a given decimal place.
	`static int`	`random(Number num)` Returns a random number (integer).
	`static double`	`randomExponential(Number mean)` Returns a random floating point number (exponentially distributed).
	`static double`	`randomFloat(Number num)` Returns a random number (floating point).
	`static double`	`randomGamma(Number alpha, Number lambda)` Returns a random floating point number (gamma distributed).
	`static double`	`randomNormal(Number mean, Number standardDeviation)` Returns a random floating point number (normally distributed).
	`static int`	`randomPoisson(Number mean)` Returns a random integer (poisson distributed).
	`static int`	`randomPxcorU(Observer observer)` Returns a random x coordinate for patches.
	`static int`	`randomPycorU(Observer observer)` Returns a random y coordinate for patches.
	`static void`	`randomSeed(int seed)` Sets the random seed.
	`static double`	`randomXcorU(Observer observer)`
	`static double`	`randomYcorU(Observer observer)`
	`static double`	`red()` Returns the numerical value corresponding to the color red.
	`static double`	`remainder(Number number1, Number number2)` Returns the remainder of one number divided by another number.
`<E>`	`static Collection<E>`	`remove(Object item, Collection<E> c)` Returns a list minus an item.
	`static String`	`remove(String string1, String string2)` Returns a string minus a substring.
`<E>`	`static List<E>`	`removeDuplicates(List<E> list)` Returns a list minus duplicated items.
`<E>`	`static List<E>`	`removeItem(int index, List<E> list)` Returns a list minus the index item.
	`static String`	`removeItem(int index, String string)` Returns a string minus the character at the index.
	`static AgentSet`	`removeLinkFromAgentSet(AgentSet a, Link l)`
	`static AgentSet`	`removeLinkFromCollection(Collection a, Link l)`
	`static AgentSet`	`removePatchFromAgentSet(AgentSet a, Patch p)`
	`static AgentSet`	`removePatchFromCollection(Collection a, Patch p)`
	`static AgentSet`	`removeTurtleFromAgentSet(AgentSet a, Turtle t)`
	`static AgentSet`	`removeTurtleFromCollection(Collection a, Turtle t)`
	`static void`	`repeat(Number number, Closure commands)` Runs a set of commands a number of times.
	`static ArrayList`	`replaceItem(int index, List list, Object value)` Returns a list with the item at location index replaced with a value.
	`static String`	`replaceItem(int index, String string1, String string2)` Returns a string with the substring at a specified location replaced with another string.
	`static void`	`resetAllToggleButtons()`
	`static void`	`resetPerspective()` Does nothing, included for translation compatibility.
	`static void`	`resetTicks()` The tick counter is reset to zero.
	`static void`	`resetTimer()` The timer is reset to zero seconds.
	`static void`	`resumeReLogo()`
`<E>`	`static List<E>`	`reverse(List<E> list)` Returns a list in reversed order.
	`static String`	`reverse(String string)` Returns a string in reversed order.
	`static List`	`rgb(Number rr, Number gg, Number bb)` Returns a rgb color list.
	`static int`	`round(Number number)` Returns the closest integer to the number.
	`static double`	`scaleColor(Number color, Number nVariableValue, Number nR1, Number nR2)` Returns a shaded color.
	`static List`	`sentence(Object... args)` Creates a list from the objects.
	`static void`	`setCurrentPlot(String string)` Does nothing, included for translation compatibility.
	`static void`	`setCurrentPlotPen(String string)` Does nothing, included for translation compatibility.
	`static void`	`setHistogramNumBars(Number num)` Does nothing, included for translation compatibility.
	`static void`	`setPlotPenColor(Number color)` Does nothing, included for translation compatibility.
	`static void`	`setPlotPenInterval(Number color)` Does nothing, included for translation compatibility.
	`static void`	`setPlotPenMode(Number color)` Does nothing, included for translation compatibility.
	`static void`	`setPlotXRange(Number left, Number right)` Does nothing, included for translation compatibility.
	`static void`	`setPlotYRange(Number left, Number right)` Does nothing, included for translation compatibility.
	`static boolean`	`shadeOfQ(Number nColor1, Number nColor2)` Queries if two shades are of the same color.
`<E>`	`static ArrayList<E>`	`shuffle(List<E> a)` Returns a list randomly reordered.
	`static double`	`sin(Number aDeg)` Returns the sine of an angle.
	`static double`	`sky()` Returns the numerical value corresponding to the color sky.
	`static List`	`sort(List a)` Returns a list that has been sorted by ascending order.
	`static List`	`sort(AgentSet a)` Returns an agentset that has been sorted by the natural ordering of the agents.
	`static double`	`sqrt(Number n)` Returns the square root of a number.
	`static double`	`standardDeviation(Collection a)` Returns the standard deviation for a collection.
	`static void`	`stop()` Stop the simulation.
`<E>`	`static List<E>`	`sublist(List<E> a, int position1, int position2)` Returns the portion of a list from one position to before another position.
	`static String`	`substring(String string, int position1, int position2)` Returns the portion of a string from one position to before another position.
	`static double`	`subtractHeadings(double to, double from)` Returns the difference of two headings.
	`static double`	`sum(Collection a)` Returns the sum of a collection.
	`static double`	`tan(Number num)` Returns the tangent of an angle.
	`static void`	`tick()` The tick counter is incremented by one.
	`static void`	`tickAdvance(Number num)` The tick counter is incremented by num ticks.
	`static double`	`ticks()` Returns the present value of the tick counter.
	`static double`	`timer()` Returns the time since "resetTimer" was last called.
	`static double`	`turquoise()` Returns the numerical value corresponding to the color turquoise.
	`static AgentSet<Turtle>`	`turtleSet(Object... args)` Collects arguments into an agenset of turtles.
	`static Turtle`	`turtleU(int number, Observer observer)` Reports the turtle with the given who number, or null if there is no such turtle.
	`static AgentSet<Turtle>`	`turtlesU(Observer observer)`
	`static double`	`variance(Collection a)` Returns the variance for a list.
	`static double`	`violet()` Returns the numerical value corresponding to the color violet.
	`static void`	`wait(Number timeInSecs)` The agent waits timeInSecs number of seconds
	`static double`	`white()` Returns the numerical value corresponding to the color white.
	`static void`	`withLocalRandomness(Closure commands)`
	`static String`	`word(Object... args)` Returns a string created by combining objects.
	`static int`	`worldHeightU(Observer observer)`
	`static int`	`worldWidthU(Observer observer)`
	`static double`	`wrapColor(Number inputColor)` Returns a color in the range [0, 140).
	`static double`	`yellow()` Returns the numerical value corresponding to the color yellow.

Inherited Methods Summary

Inherited Methods
Methods inherited from class	Name
`class Object`	`wait, wait, wait, equals, toString, hashCode, getClass, notify, notifyAll`

- Field Detail
  - public static final int PEN_DOWN
  - public static final int PEN_ERASE
  - public static final int PEN_UP
- Method Detail
  - public static double abs(Number n)
    
    Returns the absolute value of a number.
    Parameters:
    n - a number
    Returns:
    absolute value of number
  - public static double acos(Number a)
    
    Returns the arc cosine of a number.
    Parameters:
    a - a number in the range [-1, 1]
    Returns:
    angle in degrees in the range [0, 180]
  - public static AgentSet agentSetFromIterable(Iterable i)
  - <E extends ReLogoAgent> public static AgentSet<E> agentSetFromIterator(Iterator<E> i)
  - public static AgentSet<Link> allLinksU(Observer observer)
    
    Returns the agentset of all links.
    Parameters:
    observer - an observer
    Returns:
    agentset of all links
  - public static boolean allQU(Collection<? extends ReLogoAgent> a, Closure closure)
    
    Queries if all agents in a collection are true for a boolean closure.
    Parameters:
    a - a collection of ReLogoAgents
    closure - a boolean closure
    Returns:
    true or false based on whether all agents in a collection are true for closure
  - public static boolean allQU(Object caller, Collection<? extends ReLogoAgent> a, Closure closure)
  - public static double angleFromDisplacement(double dX, double dY)
    
    Returns the angle in degrees corresponding to the displacement (dX, dY).
    Parameters:
    dX
    dY
    Returns:
  - public static boolean anyQ(Collection a)
    
    Queries if there exist any agents in an agentset.
    Parameters:
    a - an agentset
    Returns:
    true or false based on whether there exist any agents in a
  - public static void approximateHsb()
  - public static void approximateRgb()
  - public static double asin(Number a)
    
    Returns the arc sine of a number.
    Parameters:
    a - a number in the range [-1, 1]
    Returns:
    angle in degrees in the range [-90, 90]
  - public static double atan(Number x, Number y)
    
    Changes x,y offsets to degrees.
    Parameters:
    x - a number
    y - a number
    Returns:
    angle in degrees in the range [0, 360]
  - public static void autoPlotOff()
    
    Does nothing, included for translation compatibility.
  - public static void autoPlotOn()
    
    Does nothing, included for translation compatibility.
  - public static boolean autoplotQ()
    
    Does nothing, included for translation compatibility.
  - public static List baseColors()
    
    Lists fundamental colors.
    Returns:
    list of colors
  - public static double black()
    
    Returns the numerical value corresponding to the color black.
  - public static double blue()
    
    Returns the numerical value corresponding to the color blue.
  - public static double brown()
    
    Returns the numerical value corresponding to the color brown.
  - <E> public static List<E> butFirst(List<E> a)
    
    Returns a list minus first item.
    Parameters:
    a - a list
    Returns:
    list minus first list item
  - public static String butFirst(String s)
    
    Returns a string minus first character.
    Parameters:
    s - a string of characters
    Returns:
    string minus first character
  - <E> public static List<E> butLast(List<E> a)
    
    Returns a list minus last item.
    Parameters:
    a - a list
    Returns:
    list minus last list item
  - public static String butLast(String s)
    
    Returns a string minus last character.
    Parameters:
    s - a string of characters
    Returns:
    string minus last character
  - public static double ceiling(Number num)
    
    Returns smallest integer greater than or equal to a number.
    Parameters:
    num - a number
    Returns:
    smallest integer greater than or equal to num
  - public static void checkToPause()
  - public static void clearAllPlots()
    
    Does nothing, included for translation compatibility.
  - public static void clearPlot()
    
    Does nothing, included for translation compatibility.
  - public static AgentSet combineAgentSets(AgentSet a1, AgentSet a2)
  - public static double cos(Number num)
    
    Returns the cosine of an angle.
    Parameters:
    num - an angle in degrees
    Returns:
    cosine of num
  - public static int count(Collection a)
    
    Returns total number of agents in an agentset.
    returns:
    total number of agents in a
    
    Parameters:
    a - an agentset
  - public static void createTemporaryPlotPen()
    
    Does nothing, included for translation compatibility.
  - public static double cyan()
    
    Returns the numerical value corresponding to the color cyan.
  - public static String dateAndTime()
    
    Returns the current date and time.
    Returns:
    current date and time as string
  - public static void display()
    
    Does nothing, included for translation compatibility.
  - public static double e()
    
    Returns the exponential.
    returns:
    the exponential
  - public static boolean emptyQ(String string)
    
    Queries if a string is empty.
    Parameters:
    string - a string
    Returns:
    true or false based on whether the string is empty
  - public static boolean emptyQ(Collection c)
    
    Queries if a list is empty.
    Parameters:
    list - a list
    Returns:
    true or false based on whether the list is empty
  - public static void extractHsb(Number color)
  - public static void extractRgb(Number color)
  - <E> public static E first(List<E> a)
    
    Returns the first item in a list.
    params:
    a a list
    
    Returns:
    first item in list a
  - public static String first(String s)
    
    Returns the first character in a string.
    params:
    s a string
    
    Returns:
    first character in string s
  - public static Collection flatten(Collection c)
  - public static double floor(Number num)
    
    Returns largest integer less than or equal to a number.
    Parameters:
    num - a number
    Returns:
    largest integer less than or equal to num
  - public static void flushFileSinks()
    
    Flush file data sinks.
  - public static ArrayList fput(Object item, List list)
    
    Appends item to the front of a list then returns the new list.
    Parameters:
    item - an object
    list - a list
    Returns:
    a list with item appended to the front of list
  - public static AgentSet getAgentSetOfClass(Class E, Observer observer)
  - public static List<Network> getDirectedNetworks(Observer observer)
  - public static double[] getDisplacementFromHeadingAndDistance(double heading, double distance)
    
    Returns the displacement double array corresponding to moving in the "heading" direction for distance "distance".
    Parameters:
    heading
    distance
    Returns:
  - public static GridPoint getGridPointAtDisplacement(NdPoint currentLocation, double[] displacement, Observer observer)
    
    Returns the GridPoint object of the grid location corresponding to the displacement from the NdPoint currentLocation. Throws SpatialException if displacement is not allowed.
    Parameters:
    currentLocation
    displacement
    Returns:
  - public static int getMaxPxcorU(Observer observer)
    
    Returns the maximum x coordinate for all patches.
    Parameters:
    observer - an observer
    Returns:
    maximum x coordinate for all patches
  - public static int getMaxPycorU(Observer observer)
    
    Returns the maximum y coordinate for all patches.
    Parameters:
    observer - an observer
    Returns:
    maximum y coordinate for all patches
  - public static int getMinPxcorU(Observer observer)
    
    Returns the minimum x coordinate for all patches.
    Parameters:
    observer - an observer
    Returns:
    maximum x coordinate for patches
  - public static int getMinPycorU(Observer observer)
    
    Returns the minimum y coordinate for all patches.
    Parameters:
    observer - an observer
    Returns:
    maximum y coordinate for patches
  - public static double getNLAngle(double angleInDegrees)
    
    Returns the Logo appropriate angle, i.e., between 0 to <360, given an angle in degrees.
    Parameters:
    number
    Returns:
  - public static Observer getObserverByID(String observerID)
  - public static Patch getPatchAtLocation(GridPoint gridPoint, Observer observer)
    
    Returns the Patch object at the gridPoint location. Throws SpatialException if location is not allowed.
    Parameters:
    gridPoint
    Returns:
  - public static AgentSet<Turtle> getTurtleAgentSetOfType(String typeName, Observer observer)
  - public static AgentSet<Turtle> getTurtlesOnGridPoint(GridPoint patchLocation, Observer observer)
    
    Returns the turtles on the patch corresponding to the patchLocation GridPoint. Throws SpatialException if location is not allowed.
    Parameters:
    patchLocation
    Returns:
  - public static AgentSet<Turtle> getTurtlesOnGridPoint(GridPoint patchLocation, Observer observer, Class type)
    
    Returns the turtles of this type on the patch corresponding to the patchLocation GridPoint. Throws SpatialException if location is not allowed.
    Parameters:
    patchLocation
    Returns:
  - public static AgentSet<Turtle> getTurtlesOnGridPoint(GridPoint patchLocation, Observer observer, String typeName)
    
    Returns the turtles of this typeName on the patch corresponding to the patchLocation GridPoint. Throws SpatialException if location is not allowed.
    Parameters:
    patchLocation
    Returns:
  - public static List<Network> getUndirectedNetworks(Observer observer)
  - public static ArrayList getWayPoints(Observer observer)
  - public static double gray()
    
    Returns the numerical value corresponding to the color gray.
  - public static double green()
    
    Returns the numerical value corresponding to the color green.
  - public static void histogram()
    
    Does nothing, included for translation compatibility.
  - public static List hsb(Number hh, Number ss, Number bb)
    
    Returns a rgb color list.
    Parameters:
    hh - a number in the range [0, 255]
    ss - a number in the range [0, 255]
    bb - a number in the range [0, 255]
    Returns:
    rgb color list in the range [0, 255]
  - public static int intPart(Number num)
    
    Returns the integer portion of a number.
    Parameters:
    num - a number
    Returns:
    integer portion of a number
  - public static boolean isAgentQ(Object o)
    
    Queries if object is an agent.
    Parameters:
    o - an object
    Returns:
    true or false based on whether the object is an agent
  - public static boolean isAgentSetQ(Object o)
    
    Queries if object is an agentset.
    Parameters:
    o - an object
    Returns:
    true or false based on whether the object is an agentset
  - public static boolean isBooleanQ(Object o)
    
    Queries if object is a boolean.
    Parameters:
    o - an object
    Returns:
    true or false based on whether the object is a boolean
  - public static boolean isDirectedLinkQ(Object o)
    
    Queries if object is a directed link.
    Parameters:
    o - an object
    Returns:
    true or false based on whether the object is a directed link
  - public static boolean isLinkQ(Object o)
    
    Queries if object is a link.
    Parameters:
    o - an object
    Returns:
    true or false based on whether the object is a link
  - public static boolean isLinkSetQ(Object o)
    
    Queries if object is an agentset of links.
    Parameters:
    o - an object
    Returns:
    true or false based on whether the object is an agentset of links
  - public static boolean isListQ(Object o)
    
    Queries if object is a list.
    Parameters:
    o - an object
    Returns:
    true or false based on whether the object is a list
  - public static boolean isNumberQ(Object o)
    
    Queries if object is a number.
    Parameters:
    o - an object
    Returns:
    true or false based on whether the object is a number
  - public static boolean isPatchQ(Object o)
    
    Queries if object is a patch.
    Parameters:
    o - an object
    Returns:
    true or false based on whether the object is a patch
  - public static boolean isPatchSetQ(Object o)
    
    Queries if object is an agentset of patches.
    Parameters:
    o - an object
    Returns:
    true or false based on whether the object is an agentset of patches
  - public static boolean isStringQ(Object o)
    
    Queries if object is a string.
    Parameters:
    o - an object
    Returns:
    true or false based on whether the object is a string
  - public static boolean isTurtleQ(Object o)
    
    Queries if object is a turtle.
    Parameters:
    o - an object
    Returns:
    true or false based on whether the object is a turtle
  - public static boolean isTurtleSetQ(Object o)
    
    Queries if object is an agentset of turtles.
    Parameters:
    o - an object
    Returns:
    true or false based on whether the object is an agentset of turtles
  - public static boolean isUndirectedLinkQ(Object o)
    
    Queries if object is an undirected link.
    Parameters:
    o - an object
    Returns:
    true or false based on whether the object is an undirected link
  - <E> public static E item(int i, List<E> a)
    
    Returns item i in a list.
    Parameters:
    i - an integer
    a - a list
    Returns:
    item i in list a
  - public static String item(int i, String s)
    
    Returns character i in a string.
    Parameters:
    i - an integer
    s - a string
    Returns:
    character i in string s
  - <E> public static E last(List<E> a)
    
    Returns the last item in a list.
    Parameters:
    a - a list
    Returns:
    last item in list a
  - public static String last(String s)
    
    Returns the last character in a string.
    Parameters:
    s - a string
    Returns:
    last character in string s
  - public static int length(Collection c)
    
    Returns the number of items in a collection.
    Parameters:
    c - a collection
    Returns:
    number of items in collection c
  - public static int length(String s)
    
    Returns the number of characters in a string.
    Parameters:
    s - a string
    Returns:
    number of characters in string s
  - public static double lime()
    
    Returns the numerical value corresponding to the color lime.
  - public static Link linkDir(int oneEnd, int otherEnd, Observer observer)
  - public static AgentSet<Link> linkSet(Object... args)
    
    Collects arguments into an agenset of links.
    Parameters:
    args - link, set of links, agentset of links
    Returns:
    agentset of links
  - public static Link linkU(int oneEnd, int otherEnd, Observer observer)
    
    Returns the link between two turtles.
    Parameters:
    oneEnd - an integer
    otherEnd - an integer
    observer - an observer
    Returns:
    link between two turtles
  - public static Link linkUndir(int oneEnd, int otherEnd, Observer observer)
  - public static AgentSet<Link> linksU(Observer observer)
    
    Returns the agentset of all generic links.
    Parameters:
    observer - an observer
    Returns:
    agentset of all links
  - public static double ln(Number num)
    
    Returns the natural logarithm of a number
    Parameters:
    num - a number
    Returns:
    natural logarithm of num
  - public static double log(Number num, Number base)
    
    Returns the logarithm of a number.
    Parameters:
    num - a number
    base - a number
    Returns:
    logarithm of num in base base
  - public static ArrayList lput(Object item, List list)
    
    Appends item to the end of a list then returns the new list.
    Parameters:
    item - an object
    list - a list
    Returns:
    list with item appended to the end
  - public static double magenta()
    
    Returns the numerical value corresponding to the color magenta.
  - public static Number max(Collection c)
    
    Returns the largest number in a collection.
    Parameters:
    c - a collection
    Returns:
    largest number in collection
  - public static AgentSet maxNOfU(int number, Collection<? extends ReLogoAgent> a, Closure closure)
    
    Returns an agentset consisting of a specified number of agents which have the greatest value when operated on by a set of commands.
    exclude:
    
    Parameters:
    number - an integer
    a - a collection
    closure - a set of commands
    Returns:
    agentset containing number agents with largest values when operated on by closure
  - public static AgentSet maxNOfU(Object caller, int number, Collection<? extends ReLogoAgent> c, Closure closure)
  - public static ReLogoAgent maxOneOfU(Collection<? extends ReLogoAgent> a, Closure closure)
    
    Returns the ReLogoAgent with the largest value when operated on by a set of commands.
    exclude:
    
    Parameters:
    a - a collection
    closure - a set of commands
    Returns:
    ReLogoAgent with the largest value when operated on by closure
  - public static ReLogoAgent maxOneOfU(Object caller, Collection<? extends ReLogoAgent> a, Closure closure)
  - public static double mean(Collection a)
    
    Returns the mean of a collection of numbers.
    Parameters:
    a - a collection of numbers
    Returns:
    mean of collection a
  - public static double median(Collection a)
    
    Returns the median of a collection of numbers.
    Parameters:
    a - a collection of numbers
    Returns:
    median of collection a
  - public static boolean memberQ(Object value, Collection c)
    
    Queries if a value is in a collection.
    Parameters:
    value - an object
    c - a collection
    Returns:
    true or false based on whether object value is in collection c
  - public static boolean memberQ(String string1, String string2)
    
    Queries if a string is within another string.
    Parameters:
    string1 - a string
    string2 - a string
    Returns:
    true or false based on whether string string1 is within string string2
  - public static Number min(Collection c)
    
    Returns the smallest number in a collection.
    Parameters:
    c - a collection
    Returns:
    smallest number in collection
  - public static AgentSet minNOfU(int number, Collection<? extends ReLogoAgent> a, Closure closure)
    
    Returns an agentset consisting of a specified number of agents which have the lowest value when operated on by a set of commands.
    exclude:
    
    Parameters:
    number - an integer
    a - a collection
    closure - a set of commands
    Returns:
    agentset containing number agents with smallest values when operated on by closure
  - public static AgentSet minNOfU(Object caller, int number, Collection<? extends ReLogoAgent> a, Closure closure)
  - public static ReLogoAgent minOneOfU(Collection<? extends ReLogoAgent> a, Closure closure)
    
    Returns the ReLogoAgent with the smallest value when operated on by a set of commands.
    exclude:
    
    Parameters:
    a - a collection
    closure - a set of commands
    Returns:
    ReLogoAgent with the smallest value when operated on by closure
  - public static ReLogoAgent minOneOfU(Object caller, Collection<? extends ReLogoAgent> a, Closure closure)
  - public static double mod(Number number1, Number number2)
    
    The modulus operator.
    Parameters:
    number1 - a number
    number2 - a number
    Returns:
    number number1 modulo number number2
  - <E extends ReLogoAgent> public static AgentSet<E> nOf(int number, AgentSet<E> a)
    
    Returns a random subset of an agentset of size number.
    Parameters:
    number - an integer
    a - an agentset
    Returns:
    random subset of agentset a of size number
  - <E> public static List<E> nOf(int number, Collection<E> c)
    
    Returns a random subset of a collection of size number.
    Parameters:
    number - an integer
    c - a collection
    Returns:
    random subset of collection c of size number
  - public static List nValues(int number, Closure closure)
    
    Returns a list of length number from running the set of commands number times.
    Parameters:
    number - an integer
    closure - a set of commands
    Returns:
    list of length number from running the set of commands number times
  - public static GridPoint ndPointToGridPoint(NdPoint loc)
    
    Given a continuous space location, return the corresponding grid location as a GridPoint. The convention here is that, for each coordinate, [ i - 0.5 , i + 0.5 ) returns i. E.g., -2.5 -> -2 , -0.5 -> 0, 0.5 -> 1
  - public static int[] ndPointToIntArray(NdPoint loc)
    
    Given a continuous space location, return the corresponding grid location as an int array. The convention here is that, for each coordinate, [ i - 0.5 , i + 0.5 ) returns i. E.g., -2.5 -> -2 , -0.5 -> 0, 0.5 -> 1
  - public static int newSeed()
    
    Returns a number to seed the random number generator.
    Returns:
    number to seed the random number generator
  - public static AgentSet<Link> noLinks()
    
    Returns an empty agentset (of links).
    Returns:
    empty link agentset
  - public static AgentSet<Patch> noPatches()
    
    Returns an empty agentset (of patches).
    Returns:
    empty patch agentset
  - public static AgentSet<Turtle> noTurtles()
    
    Returns an empty agentset (of turtles).
    Returns:
    empty turtle agentset
  - public static void observerStop()
  - <X> public static X oneOf(Collection<X> c)
    
    Returns a random item from a list.
    Parameters:
    a - a list
    Returns:
    random item from list a
  - public static double orange()
    
    Returns the numerical value corresponding to the color orange.
  - public static AgentSet<Patch> patchSet(Object... args)
    
    Collects arguments into an agenset of patches.
    Parameters:
    args - patches, set of patches, agentset of patches
    Returns:
    agentset of patches
  - public static Patch patchU(double x, double y, Observer observer)
    
    Returns the patch containing a point.
    Parameters:
    nX - x coordinate
    nY - y coordinate
    observer - an observer
    Returns:
    patch that contains the point (nX, nY)
  - public static AgentSet<Patch> patchesU(Observer observer)
  - public static void pause()
    
    Pause the simulation.
  - public static void pauseReLogo()
  - public static double pi()
    
    Returns the number for pi.
    returns:
    number for pi.
  - public static double pink()
    
    Returns the numerical value corresponding to the color pink.
  - public static void plot(Number point)
    
    Does nothing, included for translation compatibility.
  - public static String plotName()
    
    Does nothing, included for translation compatibility.
  - public static void plotPenDown()
    
    Does nothing, included for translation compatibility.
  - public static boolean plotPenExistsQ()
    
    Does nothing, included for translation compatibility.
  - public static void plotPenReset()
    
    Does nothing, included for translation compatibility.
  - public static void plotPenUp()
    
    Does nothing, included for translation compatibility.
  - public static double plotXMax()
    
    Does nothing, included for translation compatibility.
  - public static double plotXMin()
    
    Does nothing, included for translation compatibility.
  - public static double plotYMax()
    
    Does nothing, included for translation compatibility.
  - public static double plotYMin()
    
    Does nothing, included for translation compatibility.
  - public static void plotxy(Number num1, Number num2)
    
    Does nothing, included for translation compatibility.
  - public static Object position(Object item, List list)
    
    Returns the position of the first occurrence of an item in a list.
    Parameters:
    item - an object
    list - a list
    Returns:
    position of the first occurrence of item in list
  - public static Object position(String string1, String string2)
    
    Returns the position of the first occurrence of a string within another string.
    Parameters:
    string1 - a string
    string2 - a string
    Returns:
    position of the first occurrence of string1 within string2
  - public static BigDecimal precision(BigDecimal b, int places)
    
    Returns a number with precision to a given decimal place.
    Parameters:
    b - a number
    places - an integer
    Returns:
    number b with precision to places
  - public static int random(Number num)
    
    Returns a random number (integer).
    Parameters:
    num - a number
    Returns:
    random number (integer) in range [0, num) if num > 0 or (num, 0] if num < 0
  - public static double randomExponential(Number mean)
    
    Returns a random floating point number (exponentially distributed).
    Parameters:
    mean - a number
    Returns:
    random floating point number (exponentially distributed with mean mean)
  - public static double randomFloat(Number num)
    
    Returns a random number (floating point).
    Parameters:
    num - a number
    Returns:
    random number (floating point) in range [0, num) if num > 0 or (num,0] if num < 0
  - public static double randomGamma(Number alpha, Number lambda)
    
    Returns a random floating point number (gamma distributed).
    Parameters:
    alpha - a number
    lambda - a number
    Returns:
    random floating point number (gamma distributed with parameters alpha and lambda)
  - public static double randomNormal(Number mean, Number standardDeviation)
    
    Returns a random floating point number (normally distributed).
    Parameters:
    mean - a number
    standardDeviation - a number
    Returns:
    random floating point number (normally distributed with mean mean and standard deviation standardDeviation)
  - public static int randomPoisson(Number mean)
    
    Returns a random integer (poisson distributed).
    Parameters:
    mean - a number
    Returns:
    random integer (poisson distributed with mean mean)
  - public static int randomPxcorU(Observer observer)
    
    Returns a random x coordinate for patches.
    Parameters:
    observer - an observer
    Returns:
    random x coordinate for patches
  - public static int randomPycorU(Observer observer)
    
    Returns a random y coordinate for patches.
    Parameters:
    observer - an observer
    Returns:
    random y coordinate for patches
  - public static void randomSeed(int seed)
    
    Sets the random seed.
    Parameters:
    seed - an integer
  - public static double randomXcorU(Observer observer)
  - public static double randomYcorU(Observer observer)
  - public static double red()
    
    Returns the numerical value corresponding to the color red.
  - public static double remainder(Number number1, Number number2)
    
    Returns the remainder of one number divided by another number.
    Parameters:
    number1 - a number
    number2 - a number
    Returns:
    remainder of number1 divided by number2
  - <E> public static Collection<E> remove(Object item, Collection<E> c)
    
    Returns a list minus an item.
    Parameters:
    item - an object
    list - a list
    Returns:
    list minus item
  - public static String remove(String string1, String string2)
    
    Returns a string minus a substring.
    Parameters:
    string1 - a string
    string2 - a string
    Returns:
    string2 minus the substring string1
  - <E> public static List<E> removeDuplicates(List<E> list)
    
    Returns a list minus duplicated items.
    Parameters:
    list - a list
    Returns:
    list minus duplicated items
  - <E> public static List<E> removeItem(int index, List<E> list)
    
    Returns a list minus the index item.
    Parameters:
    index - an integer
    list - a list
    Returns:
    list minus the index item
  - public static String removeItem(int index, String string)
    
    Returns a string minus the character at the index.
    Parameters:
    index - an integer
    string - a string
    Returns:
    string minus the character at the index
  - public static AgentSet removeLinkFromAgentSet(AgentSet a, Link l)
  - public static AgentSet removeLinkFromCollection(Collection a, Link l)
  - public static AgentSet removePatchFromAgentSet(AgentSet a, Patch p)
  - public static AgentSet removePatchFromCollection(Collection a, Patch p)
  - public static AgentSet removeTurtleFromAgentSet(AgentSet a, Turtle t)
  - public static AgentSet removeTurtleFromCollection(Collection a, Turtle t)
  - public static void repeat(Number number, Closure commands)
    
    Runs a set of commands a number of times.
    Parameters:
    number - a number
    commands - a set of commands
  - public static ArrayList replaceItem(int index, List list, Object value)
    
    Returns a list with the item at location index replaced with a value.
    Parameters:
    index - an integer
    list - a list
    value - an object
    Returns:
    list with the item at location index replaced with value
  - public static String replaceItem(int index, String string1, String string2)
    
    Returns a string with the substring at a specified location replaced with another string.
    Parameters:
    index - an integer
    string1 - a string
    string2 - a string
    Returns:
    string with string1 at location index replaced with string2
  - public static void resetAllToggleButtons()
  - public static void resetPerspective()
    
    Does nothing, included for translation compatibility.
  - public static void resetTicks()
    
    The tick counter is reset to zero.
  - public static void resetTimer()
    
    The timer is reset to zero seconds.
  - @SuppressWarningsssWarnings("unchecked") public public static void resumeReLogo()
  - <E> public static List<E> reverse(List<E> list)
    
    Returns a list in reversed order.
    Parameters:
    list - a list
    Returns:
    list in reversed order
  - public static String reverse(String string)
    
    Returns a string in reversed order.
    Parameters:
    string - a string
    Returns:
    string in reversed order
  - public static List rgb(Number rr, Number gg, Number bb)
    
    Returns a rgb color list.
    parm:
    bb a number in the range [0, 255]
    
    Parameters:
    rr - a number in the range [0, 255]
    gg - a number in the range [0, 255]
    Returns:
    rgb color list in the range [0, 255]
  - public static int round(Number number)
    
    Returns the closest integer to the number.
    Parameters:
    number - a number
    Returns:
    closest integer to number
  - public static double scaleColor(Number color, Number nVariableValue, Number nR1, Number nR2)
    
    Returns a shaded color.
    returns:
    shaded color where the shading depends on where nVariableValue falls between nR1 and nR2
    
    Parameters:
    color - a number in the range [0,140)
    nVariableValue - a value
    nR1 - a number
    nR2 - a number
  - public static List sentence(Object... args)
    
    Creates a list from the objects.
    Parameters:
    args - any number of items
    Returns:
    list created from the args
  - public static void setCurrentPlot(String string)
    
    Does nothing, included for translation compatibility.
  - public static void setCurrentPlotPen(String string)
    
    Does nothing, included for translation compatibility.
  - public static void setHistogramNumBars(Number num)
    
    Does nothing, included for translation compatibility.
  - public static void setPlotPenColor(Number color)
    
    Does nothing, included for translation compatibility.
  - public static void setPlotPenInterval(Number color)
    
    Does nothing, included for translation compatibility.
  - public static void setPlotPenMode(Number color)
    
    Does nothing, included for translation compatibility.
  - public static void setPlotXRange(Number left, Number right)
    
    Does nothing, included for translation compatibility.
  - public static void setPlotYRange(Number left, Number right)
    
    Does nothing, included for translation compatibility.
  - public static boolean shadeOfQ(Number nColor1, Number nColor2)
    
    Queries if two shades are of the same color.
    Parameters:
    nColor1 - a number
    nColor2 - a number
    Returns:
    true or false based on whether nColor1 and nColor2 are shades of the same color
  - <E> public static ArrayList<E> shuffle(List<E> a)
    
    Returns a list randomly reordered.
    Parameters:
    a - a list
    Returns:
    list randomly reordered
  - public static double sin(Number aDeg)
    
    Returns the sine of an angle.
    Parameters:
    aDeg - an angle in degrees
    Returns:
    sine of aDeg
  - public static double sky()
    
    Returns the numerical value corresponding to the color sky.
  - public static List sort(List a)
    
    Returns a list that has been sorted by ascending order.
    Parameters:
    a - list
    Returns:
    list that has been sorted by ascending order
  - public static List sort(AgentSet a)
    
    Returns an agentset that has been sorted by the natural ordering of the agents.
    Parameters:
    a - agentset
    Returns:
    agentset that has been sorted by the natural ordering of the agents
  - public static double sqrt(Number n)
    
    Returns the square root of a number.
    Parameters:
    n - a number
    Returns:
    square root of n
  - public static double standardDeviation(Collection a)
    
    Returns the standard deviation for a collection.
    Parameters:
    a - a collection
    Returns:
    standard deviation for a
  - public static void stop()
    
    Stop the simulation.
  - <E> public static List<E> sublist(List<E> a, int position1, int position2)
    
    Returns the portion of a list from one position to before another position.
    Parameters:
    a - a list
    position1 - a zero-based index
    position2 - a zero-based index
    Returns:
    portion of a from position1 to before position2
  - public static String substring(String string, int position1, int position2)
    
    Returns the portion of a string from one position to before another position.
    Parameters:
    string - a string
    position1 - a zero-based index
    position2 - a zero-based index
    Returns:
    portion of string from position1 to before position2
  - public static double subtractHeadings(double to, double from)
    
    Returns the difference of two headings.
    Parameters:
    to - an angle in degrees
    from - an angle in degrees
    Returns:
    difference of two headings in the range [-180, 180]
  - public static double sum(Collection a)
    
    Returns the sum of a collection.
    Parameters:
    a - a collection
    Returns:
    sum of a
  - public static double tan(Number num)
    
    Returns the tangent of an angle.
    Parameters:
    num - an angle in degrees
    Returns:
    tan of num
  - public static void tick()
    
    The tick counter is incremented by one.
  - public static void tickAdvance(Number num)
    
    The tick counter is incremented by num ticks.
    Parameters:
    num - a number
  - public static double ticks()
    
    Returns the present value of the tick counter.
    Returns:
    present value of the tick counter
  - public static double timer()
    
    Returns the time since "resetTimer" was last called.
    Returns:
    time since "resetTimer" was last called
  - public static double turquoise()
    
    Returns the numerical value corresponding to the color turquoise.
  - public static AgentSet<Turtle> turtleSet(Object... args)
    
    Collects arguments into an agenset of turtles.
    Parameters:
    args - turtles, set of turtles, agentset of turtles
    Returns:
    agentset of turtles
  - public static Turtle turtleU(int number, Observer observer)
    
    Reports the turtle with the given who number, or null if there is no such turtle.
    Parameters:
    number
    Returns:
  - public static AgentSet<Turtle> turtlesU(Observer observer)
  - public static double variance(Collection a)
    
    Returns the variance for a list.
    Parameters:
    a - a list
    Returns:
    variance for a
  - public static double violet()
    
    Returns the numerical value corresponding to the color violet.
  - public static void wait(Number timeInSecs)
    
    The agent waits timeInSecs number of seconds
    Parameters:
    timeInSecs - a number
  - public static double white()
    
    Returns the numerical value corresponding to the color white.
  - public static void withLocalRandomness(Closure commands)
  - public static String word(Object... args)
    
    Returns a string created by combining objects.
    Parameters:
    args - an object
    Returns:
    string created by combining args
  - public static int worldHeightU(Observer observer)
  - public static int worldWidthU(Observer observer)
  - public static double wrapColor(Number inputColor)
    
    Returns a color in the range [0, 140).
    Parameters:
    inputColor - a number
    Returns:
    color in the range [0, 140).
  - public static double yellow()
    
    Returns the numerical value corresponding to the color yellow.

Summary:
Field
Method

| Detail:
Field
Method

ReLogo API V2.11

[Java] Class Utility

Field Summary

Methods Summary

Inherited Methods Summary

Field Detail

public static final int PEN_DOWN

public static final int PEN_ERASE

public static final int PEN_UP

Method Detail

public static double abs(Number n)

public static double acos(Number a)

public static AgentSet agentSetFromIterable(Iterable i)

<E extends ReLogoAgent> public static AgentSet<E> agentSetFromIterator(Iterator<E> i)

public static AgentSet<Link> allLinksU(Observer observer)

public static boolean allQU(Collection<? extends ReLogoAgent> a, Closure closure)

public static boolean allQU(Object caller, Collection<? extends ReLogoAgent> a, Closure closure)

public static double angleFromDisplacement(double dX, double dY)

public static boolean anyQ(Collection a)

public static void approximateHsb()

public static void approximateRgb()

public static double asin(Number a)

public static double atan(Number x, Number y)

public static void autoPlotOff()

public static void autoPlotOn()

public static boolean autoplotQ()

public static List baseColors()

public static double black()

public static double blue()

public static double brown()

<E> public static List<E> butFirst(List<E> a)

public static String butFirst(String s)

<E> public static List<E> butLast(List<E> a)

public static String butLast(String s)

public static double ceiling(Number num)

public static void checkToPause()

public static void clearAllPlots()

public static void clearPlot()

public static AgentSet combineAgentSets(AgentSet a1, AgentSet a2)

public static double cos(Number num)

public static int count(Collection a)

public static void createTemporaryPlotPen()

public static double cyan()

public static String dateAndTime()

public static void display()

public static double e()

public static boolean emptyQ(String string)

public static boolean emptyQ(Collection c)

public static void extractHsb(Number color)

public static void extractRgb(Number color)

<E> public static E first(List<E> a)

public static String first(String s)

public static Collection flatten(Collection c)

public static double floor(Number num)

public static void flushFileSinks()

public static ArrayList fput(Object item, List list)

public static AgentSet getAgentSetOfClass(Class E, Observer observer)

public static List<Network> getDirectedNetworks(Observer observer)

public static double[] getDisplacementFromHeadingAndDistance(double heading, double distance)

public static GridPoint getGridPointAtDisplacement(NdPoint currentLocation, double[] displacement, Observer observer)

public static int getMaxPxcorU(Observer observer)

public static int getMaxPycorU(Observer observer)

public static int getMinPxcorU(Observer observer)

public static int getMinPycorU(Observer observer)

public static double getNLAngle(double angleInDegrees)

public static Observer getObserverByID(String observerID)

public static Patch getPatchAtLocation(GridPoint gridPoint, Observer observer)

public static AgentSet<Turtle> getTurtleAgentSetOfType(String typeName, Observer observer)

public static AgentSet<Turtle> getTurtlesOnGridPoint(GridPoint patchLocation, Observer observer)

public static AgentSet<Turtle> getTurtlesOnGridPoint(GridPoint patchLocation, Observer observer, Class type)

public static AgentSet<Turtle> getTurtlesOnGridPoint(GridPoint patchLocation, Observer observer, String typeName)

public static List<Network> getUndirectedNetworks(Observer observer)

public static ArrayList getWayPoints(Observer observer)

public static double gray()

public static double green()

public static void histogram()

public static List hsb(Number hh, Number ss, Number bb)

public static int intPart(Number num)

public static boolean isAgentQ(Object o)

public static boolean isAgentSetQ(Object o)

public static boolean isBooleanQ(Object o)