org.geotools.mbstyle.expression

Class MBMath

Object

ExpressionAbstract

FunctionImpl

MBExpression

MBMath

All Implemented Interfaces:

Expression, Function

public class MBMath
extends MBExpression

Field Summary

Fields inherited from class MBExpression

colors, decisions, featureData, ff, heatMap, json, lookUp, math, name, parse, ramps, string, transformer, types, variableBindings, zoom

Fields inherited from class FunctionImpl

functionName

Fields inherited from interface Expression

NIL

Constructor Summary

Constructors

Constructor and Description
MBMath(JSONArray json)

Method Summary

Modifier and Type	Method and Description
Expression	getExpression() Determines which expression to use.
Expression	mathAcos() Returns the arccosine of the input.
Expression	mathAdd() Returns the sum of the inputs.
Expression	mathAsin() Returns the arcsine of the input.
Expression	mathAtan() Returns the arctangent of the input.
Expression	mathCos() Returns the cosine of the input.
Expression	mathDivide() Returns the result of floating point division of the first input by the second.
Expression	mathE() Returns the mathematical constant e.
Expression	mathExponent() Returns the result of raising the first input to the power specified by the second.
Expression	mathLn() Returns the natural logarithm of the input.
Expression	mathLn2() Returns mathematical constant ln(2).
Expression	mathLog10() Returns the base-ten logarithm of the input.
Expression	mathLog2() Returns the base-two logarithm of the input.
Expression	mathMax() Returns the maximum value of the inputs.
Expression	mathMin() Returns the minimum value of the inputs.
Expression	mathMultiply() Returns the product of the inputs.
Expression	mathPi() Returns the mathematical constant pi.
Expression	mathRemainder() Returns the remainder after integer division of the first input by the second.
Expression	mathSin() Returns the sine of the input.
Expression	mathSqrt() Returns the square root of the input.
Expression	mathSubtract() For two inputs, returns the result of subtracting the second input from the first.
Expression	mathTan() Returns the tangent of the input.

Methods inherited from class MBExpression

canCreate, create, getName, throwInsufficientArgumentCount, throwUnexpectedArgumentCount, transformExpression, transformLiteral

Methods inherited from class FunctionImpl

accept, dispatchArguments, equals, evaluate, functionName, getFallbackValue, getFunctionName, getParameters, getParameterValue, getParameterValue, hashCode, setFallbackValue, setName, setParameters, toString

Methods inherited from class ExpressionAbstract

evaluate

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface Expression

evaluate

Constructor Detail

MBMath

public MBMath(JSONArray json)

Method Detail

mathSubtract

public Expression mathSubtract()

For two inputs, returns the result of subtracting the second input from the first. For a single input, returns the result of subtracting it from 0. Example: ["-", number, number]: number ["-", number]: number

Returns:

subtract expression

mathMultiply

public Expression mathMultiply()

Returns the product of the inputs. Example: ["*", number, number, ...]: number

Returns:

multiply expression

mathDivide

public Expression mathDivide()

Returns the result of floating point division of the first input by the second. Example: ["/", number, number]: number

Returns:

divide expression

mathRemainder

public Expression mathRemainder()

Returns the remainder after integer division of the first input by the second. Example: ["%", number, number]: number

Returns:

remainder expression

mathExponent

public Expression mathExponent()

Returns the result of raising the first input to the power specified by the second. Example: ["^", number, number]: number

Returns:

exponent expression

mathAdd

public Expression mathAdd()

Returns the sum of the inputs. Example: ["+", number, number...]: number

Returns:

add expression

mathAcos

public Expression mathAcos()

Returns the arccosine of the input. Example: ["acos", number]: number

Returns:

acos expression

mathAsin

public Expression mathAsin()

Returns the arcsine of the input. Example: ["asin", number]: number

Returns:

asin expression

mathAtan

public Expression mathAtan()

Returns the arctangent of the input. Example: ["atan", number]: number

Returns:

atan expression

mathCos

public Expression mathCos()

Returns the cosine of the input. Example: ["cos", number]: number

Returns:

cos expression

mathE

public Expression mathE()

Returns the mathematical constant e. Example: ["e"]: number

Returns:

constant e literal

mathLn

public Expression mathLn()

Returns the natural logarithm of the input. Example: ["ln", number]: number

Returns:

log expression

mathLn2

public Expression mathLn2()

Returns mathematical constant ln(2). Example: ["ln2"]: number

Returns:

min(2) as a literal

mathLog10

public Expression mathLog10()

Returns the base-ten logarithm of the input. Example: ["log10", number]: number

Returns:

log10 expression

mathLog2

public Expression mathLog2()

Returns the base-two logarithm of the input. Example: ["log2", number]: number

Returns:

base to log expression

mathMax

public Expression mathMax()

Returns the maximum value of the inputs. Example: ["max", number, number, ...]: number

Returns:

max expression

mathMin

public Expression mathMin()

Returns the minimum value of the inputs. Example: ["min", number, number, ...]: number

Returns:

min expression

mathPi

public Expression mathPi()

Returns the mathematical constant pi. Example: ["pi"]: number

Returns:

pi literal

mathSin

public Expression mathSin()

Returns the sine of the input. Example: ["sin", number]: number

Returns:

sin expression

mathSqrt

public Expression mathSqrt()

Returns the square root of the input. Example: ["sqrt", number]: number

Returns:

sqrt expression

mathTan

public Expression mathTan()

Returns the tangent of the input. Example: ["tan", number]: number

Returns:

tan expression

getExpression

public Expression getExpression()
                         throws MBFormatException

Description copied from class: MBExpression

Determines which expression to use.

Specified by:

getExpression in class MBExpression

Throws:

MBFormatException