Uses of Interface
org.geotools.api.filter.expression.Function

Packages that use Function

Package	Description
net.opengis.wfs.impl
org.geotools.api.filter	Filters features according their properties.
org.geotools.api.filter.expression	An expression is a combination of one or more elements that evaluate to single Object value.
org.geotools.api.style	The following package is an implementation of OGC Symbology Encoding 1.1.0 and ISO 19117 : Portrayal
org.geotools.appschema.filter
org.geotools.appschema.filter.expression
org.geotools.brewer.color
org.geotools.brewer.styling.filter.expression
org.geotools.coverage.grid.io
org.geotools.coverage.util
org.geotools.data.complex.expression
org.geotools.data.complex.filter
org.geotools.data.db2
org.geotools.data.duckdb
org.geotools.data.hana
org.geotools.data.jdbc
org.geotools.data.mongodb
org.geotools.data.mongodb.complex
org.geotools.data.oracle
org.geotools.data.oracle.filter
org.geotools.data.postgis
org.geotools.data.postgis.filter
org.geotools.factory
org.geotools.filter
org.geotools.filter.expression
org.geotools.filter.function
org.geotools.filter.function.color
org.geotools.filter.function.math
org.geotools.filter.function.string
org.geotools.filter.spatial
org.geotools.filter.text.commons
org.geotools.filter.text.cqljson
org.geotools.filter.visitor
org.geotools.gce.imagemosaic
org.geotools.mbstyle.expression
org.geotools.mbstyle.function
org.geotools.process.function
org.geotools.process.geometry	Geometry processing support for the GeoTools library.
org.geotools.renderer.style	Styling to be applied on org.geotools.renderer.geom.Geometry objects at rendering time.
org.geotools.styling	Allows for symbolization of geospatial data.
org.geotools.styling.visitor
org.geotools.xml.filter	The package name does not map the prefix name because we feel that this is a better representation.
org.h2gis.geotools

Uses of Function in net.opengis.wfs.impl

Methods in net.opengis.wfs.impl that return Function

Modifier and Type	Method	Description
Function	WfsFactoryImpl.createFunctionFromString(EDataType eDataType, String initialValue)

Uses of Function in org.geotools.api.filter

Methods in org.geotools.api.filter that return Function

Modifier and Type	Method	Description
Function	FilterFactory.function(String name, Expression... args)	Call into some implementation-specific function.
Function	FilterFactory.function(Name name, Expression... args)	Call into some implementation-specific function.

Uses of Function in org.geotools.api.filter.expression

Subinterfaces of Function in org.geotools.api.filter.expression

Modifier and Type	Interface	Description
interface	InternalFunction	Special Function type indicating that that the function is to be executed exclusively at run-time, and does not participate in the SPI (Service Provider Interface) lookup mechanism (i.e. cannot be created using a FilterFactory).
interface	VolatileFunction	Marker interface indicating that that the function return value can change during a single data access operation even if the argument values provided to it remain constant

Methods in org.geotools.api.filter.expression with parameters of type Function

Modifier and Type	Method	Description
Object	ExpressionVisitor.visit(Function expression, Object extraData)

Uses of Function in org.geotools.api.style

Methods in org.geotools.api.style that return Function

Modifier and Type	Method	Description
Function	ColorMap.getFunction()
Function	ColorReplacement.getRecoding()	Recoding: Transformation of discrete values to any other values.

Methods in org.geotools.api.style with parameters of type Function

Modifier and Type	Method	Description
void	ColorReplacement.setRecoding(Function function)

Uses of Function in org.geotools.appschema.filter

Classes in org.geotools.appschema.filter that implement Function

Modifier and Type	Class	Description
class	AsMultiGeometryFunctionExpression	Function which wraps an instance of geometry in its associatd multi geometry type.
class	IDFunctionExpression

Uses of Function in org.geotools.appschema.filter.expression

Classes in org.geotools.appschema.filter.expression that implement Function

Modifier and Type	Class	Description
class	FormatDateTimezoneFunction	Function to format a time given as a Date using a SimpleDateFormat pattern in a time zone supported by TimeZone.
class	ToDirectPositionFunction	This function converts double values to DirectPosition geometry type.
class	ToEnvelopeFunction	ToEnvelope function can take in the following set of parameters and return as either Envelope or ReferencedEnvelope type: Option 1 (1D Envelope) : ToEnvelope(minx,maxx) Option 2 (1D Envelope with crsname): ToEnvelope(minx,maxx,crsname) Option 3 (2D Envelope) : ToEnvelope(minx,maxx,miny,maxy) Option 4 (2D Envelope with crsname): ToEnvelope(minx,maxx,miny,maxy,crsname)
class	ToLineStringFunction	This function converts double values to 1D LineString geometry object.
class	ToPointFunction	This function converts double values to a 2D Point geometry type.
class	ToXlinkHrefFunction	This function redirects an attribute to be encoded as xlink:href, instead of being encoded as a full attribute.
class	VocabFunction	Vocabulary translation; using an external lookup table.

Uses of Function in org.geotools.brewer.color

Classes in org.geotools.brewer.color that implement Function

Modifier and Type	Class	Description
class	PaletteFunction

Uses of Function in org.geotools.brewer.styling.filter.expression

Methods in org.geotools.brewer.styling.filter.expression that return Function

Modifier and Type	Method	Description
Function	FunctionBuilder.build()

Methods in org.geotools.brewer.styling.filter.expression with parameters of type Function

Modifier and Type	Method	Description
FunctionBuilder	FunctionBuilder.reset(Function original)

Constructors in org.geotools.brewer.styling.filter.expression with parameters of type Function

Modifier	Constructor	Description
	FunctionBuilder(Function origional)

Uses of Function in org.geotools.coverage.grid.io

Subinterfaces of Function in org.geotools.coverage.grid.io

Modifier and Type	Interface	Description
interface	CoverageReadingTransformation	Marks a RenderingTransformation that is able to perform its own data read from a GridCoverage2DReader and an array of GeneralParameterValue.

Uses of Function in org.geotools.coverage.util

Classes in org.geotools.coverage.util that implement Function

Modifier and Type	Class	Description
class	FilterFunction_isCoverage	Function to identify if a feature is a wrapped coverage or not

Uses of Function in org.geotools.data.complex.expression

Classes in org.geotools.data.complex.expression that implement Function

Modifier and Type	Class	Description
class	LiterateFunction	Builds a list via iteration.

Uses of Function in org.geotools.data.complex.filter

Methods in org.geotools.data.complex.filter with parameters of type Function

Modifier and Type	Method	Description
Object	ComplexFilterSplitter.CapabilitiesExpressionVisitor.visit(Function expr, Object extraData)
Object	ComplexFilterSplitter.visit(Function expression, Object notUsed)
Object	UnmappingFilterVisitor.visit(Function function, Object arg1)

Uses of Function in org.geotools.data.db2

Methods in org.geotools.data.db2 with parameters of type Function

Modifier and Type	Method	Description
Object	DB2FilterToSQL.visit(Function function, Object extraData)
boolean	DB2FilterToSQL.visitFunction(Function function, Object extraData)	Performs custom visits for functions that cannot be encoded as functionName(p1, p2, ... pN).

Uses of Function in org.geotools.data.duckdb

Methods in org.geotools.data.duckdb with parameters of type Function

Modifier and Type	Method	Description
Object	DuckDBFilterToSQL.visit(Function function, Object extraData)

Uses of Function in org.geotools.data.hana

Methods in org.geotools.data.hana with parameters of type Function

Modifier and Type	Method	Description
Object	HanaFilterToSQL.visit(Function function, Object extraData)

Uses of Function in org.geotools.data.jdbc

Methods in org.geotools.data.jdbc with parameters of type Function

Modifier and Type	Method	Description
protected String	FilterToSQL.getFunctionName(Function function)	Maps the function to the native database function name
protected Class	FilterToSQL.getFunctionReturnType(Function f)
protected Expression	FilterToSQL.getParameter(Function function, int idx, boolean mandatory)	Returns the n-th parameter of a function, throwing an exception if the parameter is not there and has been marked as mandatory
Object	FilterToSQL.visit(Function function, Object extraData)	Writes sql for a function expression.
protected void	FilterToSQL.visitInFunction(Function function, boolean encodeAsExpression, boolean negate, Object extraData)	Encodes a "in" function (as recognized by InFunction.isInFunction(Expression)

Uses of Function in org.geotools.data.mongodb

Methods in org.geotools.data.mongodb with parameters of type Function

Modifier and Type	Method	Description
Object	AbstractFilterToMongo.visit(Function function, Object extraData)

Uses of Function in org.geotools.data.mongodb.complex

Classes in org.geotools.data.mongodb.complex that implement Function

Modifier and Type	Class	Description
final class	CollectionIdFunction	Function that returns a random ID for a collection.
final class	CollectionLinkFunction	Function used to chain an entity with a sub collection.
class	JsonSelectAllFunction	Extracts all the values of a given JSON path.
final class	JsonSelectFunction	Function that selects a JSON object using a JSON path.
final class	NestedCollectionLinkFunction	Function used to chain an entity with a sub collection.

Uses of Function in org.geotools.data.oracle

Methods in org.geotools.data.oracle with parameters of type Function

Modifier and Type	Method	Description
String	OracleFilterToSQL.jsonExists(Function function)
Object	OracleFilterToSQL.visit(Function function, Object extraData)

Uses of Function in org.geotools.data.oracle.filter

Classes in org.geotools.data.oracle.filter that implement Function

Modifier and Type	Class	Description
class	FilterFunction_sdonn	Oracle function SDO_NN to identify the nearest neighbors for a geometry

Uses of Function in org.geotools.data.postgis

Methods in org.geotools.data.postgis with parameters of type Function

Modifier and Type	Method	Description
protected String	PostgisFilterToSQL.getFunctionName(Function function)
protected String	PostgisPSFilterToSql.getFunctionName(Function function)
Object	PostgisFilterToSQL.visit(Function function, Object extraData)
Object	PostgisPSFilterToSql.visit(Function function, Object extraData)

Uses of Function in org.geotools.data.postgis.filter

Classes in org.geotools.data.postgis.filter that implement Function

Modifier and Type	Class	Description
class	FilterFunction_pgNearest	NEAREST function implementation for Postgis Function name: pgNearest example:

Uses of Function in org.geotools.factory

Methods in org.geotools.factory that return types with arguments of type Function

Modifier and Type	Method	Description
static Set<Function>	CommonFactoryFinder.getFunctions(Hints hints)	Returns a set of all available implementations for the Function interface.

Uses of Function in org.geotools.filter

Subinterfaces of Function in org.geotools.filter

Modifier and Type	Interface	Description
interface	FunctionExpression	Quick Function implementation for direct use as a factory.

Classes in org.geotools.filter that implement Function

Modifier and Type	Class	Description
class	AreaFunction	Area of provided geometry.
class	FallbackFunction	A placeholder class used to track a function the user requested that is not supported by our java implementation.
class	FunctionExpressionImpl	Abstract class for a function expression implementation
class	FunctionImpl	Default implementation of a Function; you may extend this class to implement specific functionality.
class	LengthFunction	Takes an AttributeExpression, and computes the length of the data for the attribute.

Methods in org.geotools.filter that return Function

Modifier and Type	Method	Description
Function	FunctionFinder.findFunction(String name)
Function	FunctionFinder.findFunction(String name, List<Expression> parameters)	Look up a function for the provided name.
Function	FunctionFinder.findFunction(String name, List<Expression> parameters, Literal fallback)	Look up a function for the provided name, may return a FallbackFunction if an implementation could not be found.
Function	FunctionFinder.findFunction(Name name)
Function	FunctionFinder.findFunction(Name name, List<Expression> parameters)	Look up a function for the provided name.
Function	FunctionFinder.findFunction(Name name, List<Expression> parameters, Literal fallback)	Look up a function for the provided name, may return a FallbackFunction if an implementation could not be found.
Function	FilterFactoryImpl.function(String name, Expression arg1)
Function	FilterFactoryImpl.function(String name, Expression... args)
Function	FilterFactoryImpl.function(String name, Expression arg1, Expression arg2)
Function	FilterFactoryImpl.function(String name, Expression arg1, Expression arg2, Expression arg3)
Function	FilterFactoryImpl.function(Name name, Expression... args)
Function	FunctionFactory.function(String name, List<Expression> args, Literal fallback)	Returns a function with the specified name.
Function	FunctionFactory.function(Name name, List<Expression> args, Literal fallback)	Returns a function with the specified name.

Methods in org.geotools.filter with parameters of type Function

Modifier and Type	Method	Description
Object	FilterAttributeExtractor.visit(Function expression, Object data)

Uses of Function in org.geotools.filter.expression

Classes in org.geotools.filter.expression that implement Function

Modifier and Type	Class	Description
class	InternalVolatileFunction	A base class functions (i.e. anonymous inner classes) that are both volatile (i.e.

Methods in org.geotools.filter.expression with parameters of type Function

Modifier and Type	Method	Description
Object	AbstractExpressionVisitor.visit(Function expr, Object extraData)

Uses of Function in org.geotools.filter.function

Subinterfaces of Function in org.geotools.filter.function

Modifier and Type	Interface	Description
interface	GeometryTransformation	This interface can be implemented by geometry transformation functions that whish to be used in the geometry property.
interface	RenderingTransformation	An interface to be implemented by processes or by filter functions meant to be integrated as feature collection/grid coverage transformations in a rendering chain.

Classes in org.geotools.filter.function that implement Function

Modifier and Type	Class	Description
class	AbstractQuantityClassificationFunction
class	AndFunction	This function is used to evaluate a And operator with a left and right operands
class	ArrayFunction	Array creator function.
class	AttributeCountFunction	Takes an AttributeExpression, and computes the node count for the attribute.
class	BandsFunction	Return the number of bands of the evaluation context, which is supposed to be a coverage, or an object that can be converted to on.
class	BoundedByFunction	A function returning the bounds of a feature (including all geometries)
class	CategorizeFunction	Implementation of "Categorize" as a normal function.
class	ClassificationFunction	Parent for classifiers which break a feature collection into the specified number of classes.
class	ClassifyFunction
class	Collection_AverageFunction	Calculates the average value of an attribute for a given FeatureCollection and Expression.
class	Collection_BoundsFunction	Calculates the bounds of an attribute for a given FeatureCollection and Expression.
class	Collection_CountFunction	Calculates the count value of an attribute for a given SimpleFeatureCollection and Expression.
class	Collection_MaxFunction	Calculates the maximum value of an attribute for a given FeatureCollection and Expression.
class	Collection_MedianFunction	Calculates the median value of an attribute for a given FeatureCollection and Expression.
class	Collection_MinFunction	Calculates the minimum value of an attribute for a given FeatureCollection and Expression.
class	Collection_NearestFunction	Finds the nearest value to the provided one in the attribute domain.
class	Collection_SumFunction	Calculates the sum value of an attribute for a given FeatureCollection and Expression.
class	Collection_UniqueFunction	Calculates the unique value of an attribute for a given FeatureCollection and Expression.
class	DateDifferenceFunction	The function computes the difference between two date objects (as a-b), in the specified time unit (default to milliseconds).
class	EnvFunction	Provides local to thread and global thread-independent lookup tables of named variables allowing externally defined values to be access within a SLD document.
class	EqualAreaFunction	Breaks a SimpleFeatureCollection into classes with (roughtly) equal total items area in each class
class	EqualIntervalFunction	Classification function for breaking a feature collection into edible chunks of "equal" size.
class	FilterFunction_area
class	FilterFunction_between
class	FilterFunction_boundary
class	FilterFunction_boundaryDimension
class	FilterFunction_buffer
class	FilterFunction_bufferWithSegments
class	FilterFunction_centroid
class	FilterFunction_contains
class	FilterFunction_Convert	Applies the available Converter to turn the value into the desired target class
class	FilterFunction_convexHull
class	FilterFunction_crosses
class	FilterFunction_dateFormat	Formats a date into a string given a certain pattern (specified in the format accepted by SimpleDateFormat}
class	FilterFunction_dateParse	Parses a date from a string given a certain pattern (specified in the format accepted by SimpleDateFormat}
class	FilterFunction_difference
class	FilterFunction_dimension
class	FilterFunction_disjoint
class	FilterFunction_disjoint3D
class	FilterFunction_distance
class	FilterFunction_distance3D
class	FilterFunction_double2bool
class	FilterFunction_endAngle
class	FilterFunction_endPoint
class	FilterFunction_envelope
class	FilterFunction_equalsExact
class	FilterFunction_equalsExactTolerance
class	FilterFunction_equalTo
class	FilterFunction_exteriorRing
class	FilterFunction_geometryType
class	FilterFunction_geomFromWKT
class	FilterFunction_geomLength
class	FilterFunction_getGeometryN
class	FilterFunction_getX
class	FilterFunction_getY
class	FilterFunction_getZ
class	FilterFunction_greaterEqualThan
class	FilterFunction_greaterThan
class	FilterFunction_if_then_else
class	FilterFunction_in10
class	FilterFunction_in2
class	FilterFunction_in3
class	FilterFunction_in4
class	FilterFunction_in5
class	FilterFunction_in6
class	FilterFunction_in7
class	FilterFunction_in8
class	FilterFunction_in9
class	FilterFunction_int2bbool
class	FilterFunction_int2ddouble
class	FilterFunction_interiorPoint
class	FilterFunction_interiorRingN
class	FilterFunction_intersection
class	FilterFunction_intersects
class	FilterFunction_intersects3D
class	FilterFunction_isClosed
class	FilterFunction_isEmpty
class	FilterFunction_isLike
class	FilterFunction_isNull
class	FilterFunction_isometric
class	FilterFunction_isRing
class	FilterFunction_isSimple
class	FilterFunction_isValid
class	FilterFunction_isWithinDistance
class	FilterFunction_isWithinDistance3D
class	FilterFunction_lessEqualThan
class	FilterFunction_lessThan
class	FilterFunction_list	A simple function that creates a list of values of any number of arguments
class	FilterFunction_listMultiply	Filter function to multiply a text list of numbers with a given factor.
class	FilterFunction_minimumCircle	A FilterFunction that expects a Geometry and returns it's minimum bounding circle.
class	FilterFunction_minimumDiameter	A FilterFunction that expects a Geometry and returns it's minimum diameter.
class	FilterFunction_minimumRectangle	A FilterFunction that expects a Geometry and returns it's minimum rectangle.
class	FilterFunction_not
class	FilterFunction_notEqualTo
class	FilterFunction_numberFormat	Formats a number into a string given a certain pattern (specified in the format accepted by DecimalFormat}
class	FilterFunction_numberFormat2	Formats a number into a string given a certain pattern (specified in the format accepted by DecimalFormat}
class	FilterFunction_numGeometries
class	FilterFunction_numInteriorRing
class	FilterFunction_numPoints
class	FilterFunction_octagonalEnvelope	A FilterFunction that expects a Geometry and returns it's octagonal envelope.
class	FilterFunction_offset
class	FilterFunction_overlaps
class	FilterFunction_parseBoolean
class	FilterFunction_parseDouble
class	FilterFunction_parseInt
class	FilterFunction_parseLong
class	FilterFunction_pointN
class	FilterFunction_property	Extracts a property from a feature, taking the property name as a parameter
class	FilterFunction_relate
class	FilterFunction_relatePattern
class	FilterFunction_roundDouble
class	FilterFunction_setCRS
class	FilterFunction_startAngle
class	FilterFunction_startPoint
class	FilterFunction_strAbbreviate
class	FilterFunction_strCapitalize
class	FilterFunction_strConcat
class	FilterFunction_strDefaultIfBlank
class	FilterFunction_strEndsWith
class	FilterFunction_strEqualsIgnoreCase
class	FilterFunction_strIndexOf
class	FilterFunction_strLastIndexOf
class	FilterFunction_strLength
class	FilterFunction_strMatches
class	FilterFunction_strPosition	Filter function implementing the Symbology Encoding "StringPosition" function.
class	FilterFunction_strReplace
class	FilterFunction_strStartsWith
class	FilterFunction_strStripAccents
class	FilterFunction_strSubstring
class	FilterFunction_strSubstringStart
class	FilterFunction_strToLowerCase
class	FilterFunction_strToUpperCase
class	FilterFunction_strTrim
class	FilterFunction_strTrim2	Function implementing the Symbology Encoding Trim function.
class	FilterFunction_symDifference
class	FilterFunction_touches
class	FilterFunction_toWKT
class	FilterFunction_union
class	FilterFunction_vertices
class	FilterFunction_within
class	GeometryFunction	Function the returns the default geometry of a feature, or null if there is none, or it's not a JTS geometry
class	IDFunction	Allow access to the value of Feature.getID() as an expression
class	InArrayFunction
class	InFunction	The function checks whether a candidate value is contained in an arbitrary long list of user provided values.
class	InterpolateFunction	This is an implemenation of the Interpolate function as defined by OGC Symbology Encoding (SE) 1.1 specification.
class	JenksNaturalBreaksFunction	Calculate the Jenks' Natural Breaks classification for a featurecollection
class	JsonArrayContainsFunction
class	JsonPointerFunction	Applies a JSON pointer on a given JSON string, extracting a value out of it
class	LapplyFunction	Apply an expression to each item of a list, resulting in a new list.
class	LinFunction	The function checks whether a candidate value is contained in a list object.
class	LitemFunction	Select one item for a list.
class	MapGetFunction	Extracts a value from a map given the map name and the needed key as parameters
class	MidAngleFunction
class	MidPointFunction
class	NorthFix	Function that allows correcting a heading angle based on the north direction in the point and CRS provided.
class	NowFunction	Return the current time as a Date.
class	OrFunction	This function is used to evaluate a or operator with a left and right operands
class	ParseTimeFunction	Function parses GeoTools time notation into date.
class	PointOnLineFunction	Returns a point on the provided line.
class	PropertyExistsFunction	A new function to check if a property exists.
class	QuantileFunction	Breaks a SimpleFeatureCollection into classes with an equal number of items in each.
class	RecodeFunction	This is an implemenation of the Recode function as defined by the OGC Symbology Encoding (SE) 1.1 specification.
class	SizeFunction	Return the size of a list (or other collection).
class	StandardDeviationFunction	Breaks a SimpleFeatureCollection into classes using the standard deviation classification method.
class	StringTemplateFunction	StringTemplate function, applies a regular expression with capturing groups, and them uses the groups to build a new string based on the provided template.
class	UniqueIntervalFunction	Clone of EqualIntervalFunction for unique values

Methods in org.geotools.filter.function that return Function

Modifier and Type	Method	Description
Function	DefaultFunctionFactory.function(String name, List<Expression> parameters, Literal fallback)
Function	DefaultFunctionFactory.function(Name name, List<Expression> parameters, Literal fallback)
static Function	EqualAreaFunction.getCartesianAreaFunction()	The default area is computed as a cartesian area of the data (will work reasonably on geodetic dataset over small areas, but won't work properly over large areas) However, it is to be remembered that these classification functions are trying to get a certain evennes on the display, so if the display is in plate caree, then computing area over lon/lat is actually the right thing to do.

Methods in org.geotools.filter.function with parameters of type Function

Modifier and Type	Method	Description
Object	GeometryTransformationVisitor.visit(Function expression, Object data)

Uses of Function in org.geotools.filter.function.color

Classes in org.geotools.filter.function.color that implement Function

Modifier and Type	Class	Description
class	AbstractHSLFunction	Base for lesscss.org HSL color manipulation functions
class	ConstrastFunction	Contrast lesscss.org color function.
class	DarkenFunction	Implements the lesscss.org darken function
class	DesaturateFunction	Implements the lesscss.org desaturate function
class	GrayscaleFunction	Tint lesscss.org color function.
class	HSLFunction	hsl lesscss.org color function.
class	LightenFunction	Implements the lesscss.org lighten function
class	MixFunction	Mix lesscss.org color function.
class	SaturateFunction	Implements the lesscss.org saturate function
class	ShadeFunction	Shade lesscss.org color function.
class	SpinFunction	Mix lesscss.org color function.
class	TintFunction	Tint lesscss.org color function.

Uses of Function in org.geotools.filter.function.math

Classes in org.geotools.filter.function.math that implement Function

Modifier and Type	Class	Description
class	FilterFunction_abs
class	FilterFunction_abs_2
class	FilterFunction_abs_3
class	FilterFunction_abs_4
class	FilterFunction_acos
class	FilterFunction_asin
class	FilterFunction_atan
class	FilterFunction_atan2
class	FilterFunction_ceil
class	FilterFunction_cos
class	FilterFunction_exp
class	FilterFunction_floor
class	FilterFunction_IEEEremainder
class	FilterFunction_log
class	FilterFunction_max
class	FilterFunction_max_2
class	FilterFunction_max_3
class	FilterFunction_max_4
class	FilterFunction_min
class	FilterFunction_min_2
class	FilterFunction_min_3
class	FilterFunction_min_4
class	FilterFunction_pow
class	FilterFunction_random
class	FilterFunction_rint
class	FilterFunction_round
class	FilterFunction_round_2
class	FilterFunction_sin
class	FilterFunction_sqrt
class	FilterFunction_tan
class	FilterFunction_toDegrees
class	FilterFunction_toRadians
class	IntegerDivisionFunction	Implements an integer division
class	ModuloFunction	Implements the Knuth floored division modulo_operation
class	PiFunction	Allow access to the value of Math.PI as an expression

Uses of Function in org.geotools.filter.function.string

Classes in org.geotools.filter.function.string that implement Function

Modifier and Type	Class	Description
class	ConcatenateFunction	The function concatenates strings.
class	StringInFunction
class	URLEncodeFunction	URL encodes a string.

Uses of Function in org.geotools.filter.spatial

Classes in org.geotools.filter.spatial that implement Function

Modifier and Type	Class	Description
protected class	ReprojectingFilterVisitor.FunctionReprojector	Makes sure that the result of a function gets reprojected to the specified CRS, should it be a Geometry

Constructors in org.geotools.filter.spatial with parameters of type Function

Modifier	Constructor	Description
protected	FunctionReprojector(CoordinateReferenceSystem propertyCrs, Function delegate)

Uses of Function in org.geotools.filter.text.commons

Methods in org.geotools.filter.text.commons that return Function

Modifier and Type	Method	Description
Function	AbstractFilterBuilder.buildFunction(int functionNode)	Builds a function expression
Function	AbstractFilterBuilder.buildIntegerDivideExpression()
Function	AbstractFilterBuilder.buildPowerExpression()
Function	AbstractFilterBuilder.buildRemainderExpression()

Methods in org.geotools.filter.text.commons with parameters of type Function

Modifier and Type	Method	Description
Object	ExpressionToText.visit(Function function, Object extraData)

Uses of Function in org.geotools.filter.text.cqljson

Methods in org.geotools.filter.text.cqljson with parameters of type Function

Modifier and Type	Method	Description
Object	ExpressionToCQL2Json.visit(Function expression, Object extraData)

Uses of Function in org.geotools.filter.visitor

Subinterfaces of Function in org.geotools.filter.visitor

Modifier and Type	Interface	Description
interface	Categorize	Categorization: The transformation of continuous values to distinct values.
interface	Interpolate	Interpolation: Transformation of continuous values by a function defined on a number of nodes.
interface	Recode	Recoding: Transformation of discrete values to any other values.

Methods in org.geotools.filter.visitor with parameters of type Function

Modifier and Type	Method	Description
protected boolean	SimplifyingFilterVisitor.isVolatileFunction(Function function)	Checks if a function is volatile in this context.
Object	AbstractFinderFilterVisitor.visit(Function expression, Object data)
Object	AbstractSearchFilterVisitor.visit(Function expression, Object data)
Object	BindingFilterVisitor.visit(Function expression, Object extraData)
Object	CapabilitiesFilterSplitter.visit(Function function, Object notUsed)
Object	DefaultExpressionVisitor.visit(Function expression, Object data)
Object	DefaultFilterVisitor.visit(Function expression, Object data)
Object	DuplicatingFilterVisitor.visit(Function expression, Object extraData)
Object	ExpressionTypeVisitor.visit(Function expression, Object extraData)
Object	ExtractBoundsFilterVisitor.visit(Function expression, Object data)
Object	IsFullySupportedFilterVisitor.visit(Function function, Object extraData)
Boolean	IsStaticExpressionVisitor.visit(Function expression, Object data)	Visit each parameter and check if they are static
Object	IsSupportedFilterVisitor.visit(Function function, Object extraData)
Object	JsonPointerFilterSplittingVisitor.visit(Function expression, Object notUsed)
Object	NullExpressionVisitor.visit(Function expression, Object extraData)
Object	NullFilterVisitor.visit(Function expression, Object data)
Object	PostPreProcessFilterSplittingVisitor.visit(Function expression, Object notUsed)
Object	SimplifyingFilterVisitor.visit(Function function, Object extraData)

Uses of Function in org.geotools.gce.imagemosaic

Classes in org.geotools.gce.imagemosaic that implement Function

Modifier and Type	Class	Description
class	FootprintsTransformation	Transformation returning the same granules that the StructuredGridCoverage2DReader would have used as the input for image creation in the GridCoverage2DReader.read(GeneralParameterValue[]) method (with some exceptions, like footprints usage, as this transformation only sets up a filter against the associated GranuleSource).

Uses of Function in org.geotools.mbstyle.expression

Classes in org.geotools.mbstyle.expression that implement Function

Modifier and Type	Class	Description
class	MBColor	A class to transform mapbox color expressions into GeoTools expressions.
class	MBDecision	The expressions in this section can be used to add conditional logic to your styles.
class	MBExpression	The value for any layout property, paint property, or filter may be specified as an expression.
class	MBFeatureData
class	MBHeatmap
class	MBLookup
class	MBMath
class	MBRampsScalesCurves
class	MBString	This class is an extension of the MBExpression containing the functions to support MapBox Style String expressions.
class	MBTypes	The expressions in this section are provided for the purpose of testing for and converting between different data types like strings, numbers, and boolean values.
class	MBVariableBinding
class	MBZoom	This class is here to get zoom level properties from a map

Uses of Function in org.geotools.mbstyle.function

Classes in org.geotools.mbstyle.function that implement Function

Modifier and Type	Class	Description
class	AtFunction	Returns the value in a JSONArray at a given index.
class	CSSFunction	Generate a Color using ColorConverterFactory, the input is expected to be a String.
class	DefaultIfNullFunction	Function that takes an input value, and a default value.
class	ExponentialFunction	Generate an output by interpolating between stops just less than and just greater than the function input.
class	FontAlternativesFunction	Looks up all script specific alternatives for the given font name.
class	GetFunction	Returns the value of a given object key in a JSONObject.
class	HasFunction	Evaluate to TRUE if a JSONObject contains a given key value or FALSE if it does not.
class	ListSizeFunction	Returns the size of a given list
class	MapBoxAnchorFunction
class	MapBoxFontBaseNameFunction	Returns a font base name
class	MapBoxFontStyleFunction	Returns "italic" or "normal" based on the font name
class	MapBoxFontWeightFunction	Returns "bold" or "normal" based on the font name
class	MapBoxLengthFunction	Returns the size of a list or the length of a string
class	StringTransformFunction	Function that takes an input and applies a text transformation (one of "lowercase", "uppercase", or "none").
class	ToRgb	Generate a rgb color from integer values between 0-255.
class	ZoomLevelFunction	Function that takes a scale denominator and a srid and outputs the zoom level.

Methods in org.geotools.mbstyle.function that return Function

Modifier and Type	Method	Description
Function	MBFunctionFactory.function(String name, List<Expression> args, Literal fallback)
Function	MBFunctionFactory.function(Name name, List<Expression> args, Literal fallback)

Uses of Function in org.geotools.process.function

Classes in org.geotools.process.function that implement Function

Modifier and Type	Class	Description
class	ProcessFunction	A wrapper allowing a Process with a single output to be called as a Function.

Methods in org.geotools.process.function that return Function

Modifier and Type	Method	Description
Function	ProcessFunctionFactory.function(String name, List<Expression> args, Literal fallback)
Function	ProcessFunctionFactory.function(Name processName, List<Expression> args, Literal fallback)

Uses of Function in org.geotools.process.geometry

Classes in org.geotools.process.geometry that implement Function

Modifier and Type	Class	Description
class	PolygonLabelFunction

Methods in org.geotools.process.geometry that return Function

Modifier and Type	Method	Description
Function	PolygonLabelFunctionFactory.function(String name, List<Expression> args, Literal fallback)
Function	PolygonLabelFunctionFactory.function(Name name, List<Expression> args, Literal fallback)

Uses of Function in org.geotools.renderer.style

Methods in org.geotools.renderer.style with parameters of type Function

Modifier and Type	Method	Description
Object	StyleAttributeExtractor.visit(Function expression, Object data)
Object	StyleAttributeExtractorTruncated.visit(Function expression, Object data)

Uses of Function in org.geotools.styling

Methods in org.geotools.styling that return Function

Modifier and Type	Method	Description
Function	ColorMapImpl.getFunction()
Function	ColorReplacementImpl.getRecoding()	Function used to perform color Replacement.

Methods in org.geotools.styling with parameters of type Function

Modifier and Type	Method	Description
void	ColorReplacementImpl.setRecoding(Function function)

Constructors in org.geotools.styling with parameters of type Function

Modifier	Constructor	Description
	ColorMapImpl(Function function)
	ColorReplacementImpl(Function function)

Uses of Function in org.geotools.styling.visitor

Classes in org.geotools.styling.visitor that implement Function

Modifier and Type	Class	Description
class	RescaleToPixelsFunction	Applies unit to pixel rescaling around expressions whose native unit cannot be determined in a static fashion

Uses of Function in org.geotools.xml.filter

Methods in org.geotools.xml.filter with parameters of type Function

Modifier and Type	Method	Description
Object	FilterTransformer.FilterTranslator.visit(Function expression, Object extraData)

Uses of Function in org.h2gis.geotools

Methods in org.h2gis.geotools with parameters of type Function

Modifier and Type	Method	Description
protected String	H2GISFilterToSQL.getFunctionName(Function function)
static String	H2GISFilterToSQLHelper.getFunctionName(Function function)	Maps a function to its native db equivalent
protected String	H2GISPSFilterToSql.getFunctionName(Function function)
Object	H2GISFilterToSQL.visit(Function function, Object extraData)
Object	H2GISPSFilterToSql.visit(Function function, Object extraData)
boolean	H2GISFilterToSQLHelper.visitFunction(Function function, Object extraData)	Performs custom visits for functions that cannot be encoded as functionName(p1, p2, ... pN).