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Geometry Reference
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A rectangular area as measured on a two-dimensional map projection.
See moreDeclaration
Objective-C
struct MGLCoordinateBounds {}Swift
struct MGLCoordinateBounds -
Returns
YESif the two coordinate bounds are equal to each other.Declaration
Objective-C
static inline BOOL MGLCoordinateBoundsEqualToCoordinateBounds(MGLCoordinateBounds bounds1, MGLCoordinateBounds bounds2)Swift
func MGLCoordinateBoundsEqualToCoordinateBounds(_ bounds1: MGLCoordinateBounds, _ bounds2: MGLCoordinateBounds) -> Bool -
Returns the area spanned by the coordinate bounds.
Declaration
Objective-C
static inline MGLCoordinateSpan MGLCoordinateBoundsGetCoordinateSpan(MGLCoordinateBounds bounds)Swift
func MGLCoordinateBoundsGetCoordinateSpan(_ bounds: MGLCoordinateBounds) -> MGLCoordinateSpan -
Returns
YESif the two coordinate bounds intersect.Declaration
Objective-C
static inline BOOL MGLCoordinateBoundsIntersectsCoordinateBounds(MGLCoordinateBounds bounds1, MGLCoordinateBounds bounds2)Swift
func MGLCoordinateBoundsIntersectsCoordinateBounds(_ bounds1: MGLCoordinateBounds, _ bounds2: MGLCoordinateBounds) -> Bool -
Returns
YESif the coordinate bounds covers no area.Note
A bounds may be empty but have a non-zero coordinate span (e.g., when its northeast point lies due north of its southwest point).Declaration
Objective-C
static inline BOOL MGLCoordinateBoundsIsEmpty(MGLCoordinateBounds bounds)Swift
func MGLCoordinateBoundsIsEmpty(_ bounds: MGLCoordinateBounds) -> Bool -
Creates a new
MGLCoordinateBoundsstructure from the given southwest and northeast coordinates.Declaration
Objective-C
static inline MGLCoordinateBounds MGLCoordinateBoundsMake(CLLocationCoordinate2D sw, CLLocationCoordinate2D ne)Swift
func MGLCoordinateBoundsMake(_ sw: CLLocationCoordinate2D, _ ne: CLLocationCoordinate2D) -> MGLCoordinateBounds -
Returns a coordinate bounds with southwest and northeast coordinates that are offset from those of the source bounds.
Declaration
Objective-C
static inline MGLCoordinateBounds MGLCoordinateBoundsOffset(MGLCoordinateBounds bounds, MGLCoordinateSpan offset)Swift
func MGLCoordinateBoundsOffset(_ bounds: MGLCoordinateBounds, _ offset: MGLCoordinateSpan) -> MGLCoordinateBounds -
Returns
YESif the coordinate is within the coordinate bounds.Related examples
See the Restrict map panning to an area example to learn how to use
MGLCoordinateInCoordinateBoundsto determine if a point is within, or intersects, a given bounding box.Declaration
Objective-C
static inline BOOL MGLCoordinateInCoordinateBounds(CLLocationCoordinate2D coordinate, MGLCoordinateBounds bounds)Swift
func MGLCoordinateInCoordinateBounds(_ coordinate: CLLocationCoordinate2D, _ bounds: MGLCoordinateBounds) -> Bool -
A quadrilateral area as measured on a two-dimensional map projection.
See moreMGLCoordinateQuaddiffers fromMGLCoordinateBoundsin that it allows representation of non-axis aligned bounds and non-rectangular quadrilaterals. The coordinates are described in counter clockwise order from top left.Declaration
Objective-C
struct MGLCoordinateQuad {}Swift
struct MGLCoordinateQuad -
Creates a new
MGLCoordinateQuadstructure from the given top left, bottom left, bottom right, and top right coordinates.Declaration
Objective-C
static inline MGLCoordinateQuad MGLCoordinateQuadMake( CLLocationCoordinate2D topLeft, CLLocationCoordinate2D bottomLeft, CLLocationCoordinate2D bottomRight, CLLocationCoordinate2D topRight)Swift
func MGLCoordinateQuadMake(_ topLeft: CLLocationCoordinate2D, _ bottomLeft: CLLocationCoordinate2D, _ bottomRight: CLLocationCoordinate2D, _ topRight: CLLocationCoordinate2D) -> MGLCoordinateQuad -
Creates a new
MGLCoordinateQuadstructure from the givenMGLCoordinateBounds. The returned quad uses the bounds’ northeast coordinate as the top right, and the southwest coordinate at the bottom left.Declaration
Objective-C
static inline MGLCoordinateQuad MGLCoordinateQuadFromCoordinateBounds(MGLCoordinateBounds bounds)Swift
func MGLCoordinateQuadFromCoordinateBounds(_ bounds: MGLCoordinateBounds) -> MGLCoordinateQuad -
Defines the area spanned by an
See moreMGLCoordinateBounds.Declaration
Objective-C
struct MGLCoordinateSpan {}Swift
struct MGLCoordinateSpan -
Returns
YESif the two coordinate spans represent the same latitudinal change and the same longitudinal change.Declaration
Objective-C
static inline BOOL MGLCoordinateSpanEqualToCoordinateSpan(MGLCoordinateSpan span1, MGLCoordinateSpan span2)Swift
func MGLCoordinateSpanEqualToCoordinateSpan(_ span1: MGLCoordinateSpan, _ span2: MGLCoordinateSpan) -> Bool -
Creates a new
MGLCoordinateSpanfrom the given latitudinal and longitudinal deltas.Declaration
Objective-C
static inline MGLCoordinateSpan MGLCoordinateSpanMake(CLLocationDegrees latitudeDelta, CLLocationDegrees longitudeDelta)Swift
func MGLCoordinateSpanMake(_ latitudeDelta: CLLocationDegrees, _ longitudeDelta: CLLocationDegrees) -> MGLCoordinateSpan -
An area of zero width and zero height.
Declaration
Objective-C
extern const MGLCoordinateSpan MGLCoordinateSpanZeroSwift
let MGLCoordinateSpanZero: MGLCoordinateSpan -
Returns degrees, converted from radians.
Declaration
Objective-C
static inline CLLocationDegrees MGLDegreesFromRadians(CGFloat radians)Swift
func MGLDegreesFromRadians(_ radians: CGFloat) -> CLLocationDegrees -
Returns radians, converted from degrees.
Declaration
Objective-C
static inline CGFloat MGLRadiansFromDegrees(CLLocationDegrees degrees)Swift
func MGLRadiansFromDegrees(_ degrees: CLLocationDegrees) -> CGFloat -
Returns a formatted string for the given coordinate bounds.
Declaration
Objective-C
static inline NSString *_Nonnull MGLStringFromCoordinateBounds( MGLCoordinateBounds bounds)Swift
func MGLStringFromCoordinateBounds(_ bounds: MGLCoordinateBounds) -> String -
Returns a formatted string for the given coordinate quad.
Declaration
Objective-C
static inline NSString *_Nonnull MGLStringFromCoordinateQuad( MGLCoordinateQuad quad)Swift
func MGLStringFromCoordinateQuad(_ quad: MGLCoordinateQuad) -> String
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