Classes Reference


                    
                    
                    SFCircularString

Circular String, Curve sub type

Declaration

Objective-C

@interface SFCircularString : SFLineString

Swift

class SFCircularString : SFLineString

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                    SFCompoundCurve

Compound Curve, Curve sub type

Declaration

Objective-C

@interface SFCompoundCurve : SFCurve

Swift

class SFCompoundCurve : SFCurve

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                    SFCurve

The base type for all 1-dimensional geometry types. A 1-dimensional geometry is a geometry that has a length, but no area. A curve is considered simple if it does not intersect itself (except at the start and end point). A curve is considered closed its start and end point are coincident. A simple, closed curve is called a ring.

Declaration

Objective-C

@interface SFCurve : SFGeometry

Swift

class SFCurve : SFGeometry

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                    SFCurvePolygon

A planar surface defined by an exterior ring and zero or more interior ring. Each ring is defined by a Curve instance.

Declaration

Objective-C

@interface SFCurvePolygon : SFSurface

Swift

class SFCurvePolygon : SFSurface

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                    SFGeometry

The root of the geometry type hierarchy

Declaration

Objective-C

@interface SFGeometry : NSObject <NSMutableCopying, NSSecureCoding>

Swift

class SFGeometry : NSObject, NSMutableCopying, NSSecureCoding

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                    SFGeometryCollection

A collection of zero or more Geometry instances.

Declaration

Objective-C

@interface SFGeometryCollection : SFGeometry

Swift

class SFGeometryCollection : SFGeometry

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                    SFGeometryEnvelope

Geometry envelope containing x and y range with optional z and m range

Declaration

Objective-C

@interface SFGeometryEnvelope : NSObject <NSMutableCopying, NSSecureCoding>

Swift

class SFGeometryEnvelope : NSObject, NSMutableCopying, NSSecureCoding

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                    SFGeometryTypes

Undocumented

Declaration

Objective-C

@interface SFGeometryTypes : NSObject

/**
 *  Get the name of the geometry type
 *
 *  @param geometryType geometry type enum
 *
 *  @return geometry type name
 */
+(NSString *) name: (enum SFGeometryType) geometryType;

/**
 *  Get the geometry type of the name
 *
 *  @param name geometry type name
 *
 *  @return geometry type
 */
+(enum SFGeometryType) fromName: (NSString *) name;

@end

Swift

class SFGeometryTypes : NSObject

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                    SFLine

A LineString with exactly 2 Points.

Declaration

Objective-C

@interface SFLine : SFLineString

Swift

class SFLine : SFLineString

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                    SFLineString

A Curve that connects two or more points in space.

Declaration

Objective-C

@interface SFLineString : SFCurve

Swift

class SFLineString : SFCurve

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                    SFLinearRing

A LineString that is both closed and simple.

Declaration

Objective-C

@interface SFLinearRing : SFLineString

Swift

class SFLinearRing : SFLineString

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                    SFMultiCurve

A restricted form of GeometryCollection where each Geometry in the collection must be of type Curve.

Declaration

Objective-C

@interface SFMultiCurve : SFGeometryCollection

Swift

class SFMultiCurve : SFGeometryCollection

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                    SFMultiLineString

A restricted form of MultiCurve where each Curve in the collection must be of type LineString.

Declaration

Objective-C

@interface SFMultiLineString : SFMultiCurve

Swift

class SFMultiLineString : SFMultiCurve

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                    SFMultiPoint

A restricted form of GeometryCollection where each Geometry in the collection must be of type Point.

Declaration

Objective-C

@interface SFMultiPoint : SFGeometryCollection

Swift

class SFMultiPoint : SFGeometryCollection

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                    SFMultiPolygon

A restricted form of MultiSurface where each Surface in the collection must be of type Polygon.

Declaration

Objective-C

@interface SFMultiPolygon : SFMultiSurface

Swift

class SFMultiPolygon : SFMultiSurface

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                    SFMultiSurface

A restricted form of GeometryCollection where each Geometry in the collection must be of type Surface.

Declaration

Objective-C

@interface SFMultiSurface : SFGeometryCollection

Swift

class SFMultiSurface : SFGeometryCollection

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                    SFPoint

A single location in space. Each point has an X and Y coordinate. A point MAY optionally also have a Z and/or an M value.

Declaration

Objective-C

@interface SFPoint : SFGeometry

Swift

class SFPoint : SFGeometry

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                    SFPolygon

A restricted form of CurvePolygon where each ring is defined as a simple, closed LineString.

Declaration

Objective-C

@interface SFPolygon : SFCurvePolygon

Swift

class SFPolygon : SFCurvePolygon

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                    SFPolyhedralSurface

Contiguous collection of polygons which share common boundary segments.

Declaration

Objective-C

@interface SFPolyhedralSurface : SFSurface

Swift

class SFPolyhedralSurface : SFSurface

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                    SFSurface

The base type for all 2-dimensional geometry types. A 2-dimensional geometry is a geometry that has an area.

Declaration

Objective-C

@interface SFSurface : SFGeometry

Swift

class SFSurface : SFGeometry

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                    SFTIN

A tetrahedron (4 triangular faces), corner at the origin and each unit coordinate digit.

Declaration

Objective-C

@interface SFTIN : SFPolyhedralSurface

Swift

class SFTIN : SFPolyhedralSurface

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                    SFTriangle

Triangle

Declaration

Objective-C

@interface SFTriangle : SFPolygon

Swift

class SFTriangle : SFPolygon

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                    SFExtendedGeometryCollection

Extended Geometry Collection providing abstract geometry collection type support

Declaration

Objective-C

@interface SFExtendedGeometryCollection : SFGeometryCollection

Swift

class SFExtendedGeometryCollection : SFGeometryCollection

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                    SFByteReader

Read through byte data

Declaration

Objective-C

@interface SFByteReader : NSObject

Swift

class SFByteReader : NSObject

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                    SFByteWriter

Write byte data

Declaration

Objective-C

@interface SFByteWriter : NSObject

Swift

class SFByteWriter : NSObject

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                    SFGeometryConstants

Undocumented

Declaration

Objective-C

@interface SFGeometryConstants : NSObject

@end

Swift

class SFGeometryConstants : NSObject

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                    SFGeometryEnvelopeBuilder

Builds an envelope from a Geometry

Declaration

Objective-C

@interface SFGeometryEnvelopeBuilder : NSObject

Swift

class SFGeometryEnvelopeBuilder : NSObject

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                    SFGeometryPrinter

String representation of a Geometry

Declaration

Objective-C

@interface SFGeometryPrinter : NSObject

Swift

class SFGeometryPrinter : NSObject

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                    SFGeometryUtils

Utilities for Geometry objects

Declaration

Objective-C

@interface SFGeometryUtils : NSObject

Swift

class SFGeometryUtils : NSObject

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                    SFTextReader

Read through text string

Declaration

Objective-C

@interface SFTextReader : NSObject

Swift

class SFTextReader : NSObject

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                    SFCentroidCurve

Calculate the centroid from curve based geometries. Implementation based on the JTS (Java Topology Suite) CentroidLine.

Declaration

Objective-C

@interface SFCentroidCurve : NSObject

Swift

class SFCentroidCurve : NSObject

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                    SFCentroidPoint

Calculate the centroid from point based geometries. Implementation based on the JTS (Java Topology Suite) CentroidPoint.

Declaration

Objective-C

@interface SFCentroidPoint : NSObject

Swift

class SFCentroidPoint : NSObject

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                    SFCentroidSurface

Calculate the centroid from surface based geometries. Implementation based on the JTS (Java Topology Suite) CentroidArea.

Declaration

Objective-C

@interface SFCentroidSurface : NSObject

Swift

class SFCentroidSurface : NSObject

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                    SFDegreesCentroid

Centroid calculations for geometries in degrees

Declaration

Objective-C

@interface SFDegreesCentroid : NSObject

Swift

class SFDegreesCentroid : NSObject

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                    SFFiniteFilterTypes

Undocumented

Declaration

Objective-C

@interface SFFiniteFilterTypes : NSObject

@end

Swift

class SFFiniteFilterTypes : NSObject

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                    SFPointFiniteFilter

Point filter for finite checks on x and y properties, optionally filter on z and m properties and non finite values (NaN or infinity)

Declaration

Objective-C

@interface SFPointFiniteFilter : NSObject <SFGeometryFilter>

Swift

class SFPointFiniteFilter : NSObject, SFGeometryFilter

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                    SFEvent

Event element

Declaration

Objective-C

@interface SFEvent : NSObject

Swift

class SFEvent : NSObject

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                    SFEventQueue

Event queue for processing events

Declaration

Objective-C

@interface SFEventQueue : NSObject

Swift

class SFEventQueue : NSObject

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                    SFEventTypes

Undocumented

Declaration

Objective-C

@interface SFEventTypes : NSObject

@end

Swift

class SFEventTypes : NSObject

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                    SFSegment

Line segment of an edge between two points

Declaration

Objective-C

@interface SFSegment : NSObject

Swift

class SFSegment : NSObject

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                    SFShamosHoey

Shamos-Hoey simple polygon detection

Based upon C++ implementation: http://geomalgorithms.com/a09-_intersect-3.html

C++ implementation license:

Copyright 2001 softSurfer, 2012 Dan Sunday This code may be freely used and modified for any purpose providing that this copyright notice is included with it. SoftSurfer makes no warranty for this code, and cannot be held liable for any real or imagined damage resulting from its use. Users of this code must verify correctness for their application.

Declaration

Objective-C

@interface SFShamosHoey : NSObject

Swift

class SFShamosHoey : NSObject

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                    SFSweepLine

Sweep Line algorithm

Declaration

Objective-C

@interface SFSweepLine : NSObject

Swift

class SFSweepLine : NSObject

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