SFGeometry

Objective-C

@interface SFGeometry : NSObject <NSMutableCopying, NSSecureCoding>

Swift

class SFGeometry : NSObject, NSMutableCopying, NSSecureCoding

The root of the geometry type hierarchy

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  • Geometry type

    Declaration

    Objective-C

    @property (nonatomic) enum SFGeometryType geometryType;

    Swift

    var geometryType: SFGeometryType { get set }
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  • Has Z values

    Declaration

    Objective-C

    @property (nonatomic) BOOL hasZ;

    Swift

    var hasZ: Bool { get set }
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  • Has M values

    Declaration

    Objective-C

    @property (nonatomic) BOOL hasM;

    Swift

    var hasM: Bool { get set }
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  • Initialize

    Declaration

    Objective-C

    - (instancetype)initWithType:(enum SFGeometryType)geometryType
                     andHasZ:(BOOL)hasZ
                     andHasM:(BOOL)hasM;

    Swift

    init!(type geometryType: SFGeometryType, andHasZ hasZ: Bool, andHasM hasM: Bool)

    Parameters

    geometryType

    geometry type
    hasZ

    has z values
    hasM

    has m values

    Return Value

    new geometry

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  • Does the geometry have z coordinates

    Declaration

    Objective-C

    - (BOOL)is3D;

    Swift

    func is3D() -> Bool

    Return Value

    true if has z coordinates

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  • Does the geometry have m coordinates.

    Declaration

    Objective-C

    - (BOOL)isMeasured;

    Swift

    func isMeasured() -> Bool

    Return Value

    true if has m coordinates

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  • Get the minimum bounding box for this Geometry

    Declaration

    Objective-C

    - (SFGeometryEnvelope *)envelope;

    Swift

    func envelope() -> SFGeometryEnvelope!

    Return Value

    geometry envelope

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  • Expand the envelope with the minimum bounding box for this Geometry

    Declaration

    Objective-C

    - (void)expandEnvelope:(SFGeometryEnvelope *)envelope;

    Swift

    func expandEnvelope(_ envelope: SFGeometryEnvelope!)

    Parameters

    envelope

    geometry envelope to expand
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  • Get the inherent dimension (0, 1, or 2) for this Geometry

    Declaration

    Objective-C

    - (int)dimension;

    Swift

    func dimension() -> Int32

    Return Value

    dimension

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  • Get the mathematical centroid point of a 2 dimensional representation of the Geometry (balancing point of a 2d cutout of the geometry). Only the x and y coordinate of the resulting point are calculated and populated. The resulting SFPoint.z and SFPoint.m values will always be nil.

    Declaration

    Objective-C

    - (SFPoint *)centroid;

    Swift

    func centroid() -> SFPoint!

    Return Value

    centroid point

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  • Get the geographic centroid point of a 2 dimensional representation of the degree unit Geometry. Only the x and y coordinate of the resulting point are calculated and populated. The resulting SFPoint.z and SFPoint.m values will always be nil.

    Declaration

    Objective-C

    - (SFPoint *)degreesCentroid;

    Swift

    func degreesCentroid() -> SFPoint!

    Return Value

    centroid point

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  • Is the Geometry empty

    Declaration

    Objective-C

    - (BOOL)isEmpty;

    Swift

    func isEmpty() -> Bool

    Return Value

    true if empty

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  • Determine if this Geometry has no anomalous geometric points, such as self intersection or self tangency

    Declaration

    Objective-C

    - (BOOL)isSimple;

    Swift

    func isSimple() -> Bool

    Return Value

    true if simple

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  • Update currently false hasZ and hasM values using the provided geometry

    Declaration

    Objective-C

    - (void)updateZM:(SFGeometry *)geometry;

    Swift

    func updateZM(_ geometry: SFGeometry!)

    Parameters

    geometry

    geometry
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