GPKGTileDaoUtils Class Reference


                    
                    
                    +adjustTileMatrixLengthsWithTileMatrixSet:andTileMatrices:

Adjust the tile matrix lengths if needed. Check if the tile matrix width and height need to expand to account for pixel * number of pixels fitting into the tile matrix lengths

Declaration

Objective-C

+ (void)adjustTileMatrixLengthsWithTileMatrixSet:
            (GPKGTileMatrixSet *)tileMatrixSet
                                 andTileMatrices:
                                     (NSArray<GPKGTileMatrix *> *)tileMatrices;

Swift

class func adjustTileMatrixLengths(with tileMatrixSet: GPKGTileMatrixSet!, andTileMatrices tileMatrices: [GPKGTileMatrix]!)

Parameters

`tileMatrixSet`	tile matrix set
`tileMatrices`	tile matrices

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                    +zoomLevelWithWidths:andHeights:andTileMatrices:andLength:

Get the zoom level for the provided width and height in the default units

Declaration

Objective-C

+ (NSNumber *)zoomLevelWithWidths:(NSArray *)widths
                       andHeights:(NSArray *)heights
                  andTileMatrices:(NSArray<GPKGTileMatrix *> *)tileMatrices
                        andLength:(double)length;

Swift

class func zoomLevel(withWidths widths: [Any]!, andHeights heights: [Any]!, andTileMatrices tileMatrices: [GPKGTileMatrix]!, andLength length: Double) -> NSNumber!

Parameters

`widths`	widths
`heights`	heights
`tileMatrices`	tile matrices
`length`	length in default units

Return Value

zoom level

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                    +zoomLevelWithWidths:andHeights:andTileMatrices:andWidth:andHeight:

Get the zoom level for the provided width and height in the default units

Declaration

Objective-C

+ (NSNumber *)zoomLevelWithWidths:(NSArray *)widths
                       andHeights:(NSArray *)heights
                  andTileMatrices:(NSArray<GPKGTileMatrix *> *)tileMatrices
                         andWidth:(double)width
                        andHeight:(double)height;

Swift

class func zoomLevel(withWidths widths: [Any]!, andHeights heights: [Any]!, andTileMatrices tileMatrices: [GPKGTileMatrix]!, andWidth width: Double, andHeight height: Double) -> NSNumber!

Parameters

`widths`	sorted widths
`heights`	sorted heights
`tileMatrices`	tile matrices
`width`	in default units
`height`	in default units

Return Value

tile matrix zoom level

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                    +closestZoomLevelWithWidths:andHeights:andTileMatrices:andLength:

Get the closest zoom level for the provided width and height in the default units

Declaration

Objective-C

+ (NSNumber *)closestZoomLevelWithWidths:(NSArray *)widths
                              andHeights:(NSArray *)heights
                         andTileMatrices:
                             (NSArray<GPKGTileMatrix *> *)tileMatrices
                               andLength:(double)length;

Swift

class func closestZoomLevel(withWidths widths: [Any]!, andHeights heights: [Any]!, andTileMatrices tileMatrices: [GPKGTileMatrix]!, andLength length: Double) -> NSNumber!

Parameters

`widths`	sorted widths
`heights`	sorted heights
`tileMatrices`	tile matrices
`length`	in default units

Return Value

tile matrix zoom level

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                    +closestZoomLevelWithWidths:andHeights:andTileMatrices:andWidth:andHeight:

Get the closest zoom level for the provided width and height in the default units

Declaration

Objective-C

+ (NSNumber *)closestZoomLevelWithWidths:(NSArray *)widths
                              andHeights:(NSArray *)heights
                         andTileMatrices:
                             (NSArray<GPKGTileMatrix *> *)tileMatrices
                                andWidth:(double)width
                               andHeight:(double)height;

Swift

class func closestZoomLevel(withWidths widths: [Any]!, andHeights heights: [Any]!, andTileMatrices tileMatrices: [GPKGTileMatrix]!, andWidth width: Double, andHeight height: Double) -> NSNumber!

Parameters

`widths`	sorted widths
`heights`	sorted heights
`tileMatrices`	tile matrices
`width`	in default units
`height`	in default units

Return Value

tile matrix zoom level

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                    +approximateZoomLevelWithWidths:andHeights:andTileMatrices:andLength:

Get the approximate zoom level for the provided length in the default units. Tiles may or may not exist for the returned zoom level. The approximate zoom level is determined using a factor of 2 from the zoom levels with tiles.

Declaration

Objective-C

+ (NSNumber *)approximateZoomLevelWithWidths:(NSArray *)widths
                                  andHeights:(NSArray *)heights
                             andTileMatrices:
                                 (NSArray<GPKGTileMatrix *> *)tileMatrices
                                   andLength:(double)length;

Swift

class func approximateZoomLevel(withWidths widths: [Any]!, andHeights heights: [Any]!, andTileMatrices tileMatrices: [GPKGTileMatrix]!, andLength length: Double) -> NSNumber!

Parameters

`widths`	sorted widths
`heights`	sorted heights
`tileMatrices`	tile matrices
`length`	length in default units

Return Value

actual or approximate tile matrix zoom level

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                    +approximateZoomLevelWithWidths:andHeights:andTileMatrices:andWidth:andHeight:

Get the approximate zoom level for the provided width and height in the default units. Tiles may or may not exist for the returned zoom level. The approximate zoom level is determined using a factor of 2 from the zoom levels with tiles.

Declaration

Objective-C

+ (NSNumber *)approximateZoomLevelWithWidths:(NSArray *)widths
                                  andHeights:(NSArray *)heights
                             andTileMatrices:
                                 (NSArray<GPKGTileMatrix *> *)tileMatrices
                                    andWidth:(double)width
                                   andHeight:(double)height;

Swift

class func approximateZoomLevel(withWidths widths: [Any]!, andHeights heights: [Any]!, andTileMatrices tileMatrices: [GPKGTileMatrix]!, andWidth width: Double, andHeight height: Double) -> NSNumber!

Parameters

`widths`	sorted widths
`heights`	sorted heights
`tileMatrices`	tile matrices
`width`	width in default units
`height`	height in default units

Return Value

actual or approximate tile matrix zoom level

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                    +maxLengthWithWidths:andHeights:

Get the max distance length that matches the tile widths and heights

Declaration

Objective-C

+ (double)maxLengthWithWidths:(NSArray *)widths andHeights:(NSArray *)heights;

Swift

class func maxLength(withWidths widths: [Any]!, andHeights heights: [Any]!) -> Double

Parameters

`widths`	sorted tile matrix widths
`heights`	sorted tile matrix heights

Return Value

max length

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                    +minLengthWithWidths:andHeights:

Get the min distance length that matches the tile widths and heights

Declaration

Objective-C

+ (double)minLengthWithWidths:(NSArray *)widths andHeights:(NSArray *)heights;

Swift

class func minLength(withWidths widths: [Any]!, andHeights heights: [Any]!) -> Double

Parameters

`widths`	sorted tile matrix widths
`heights`	sorted tile matrix heights

Return Value

min length

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                    +mapZoomRangeWithTileMatrixSetDao:andTileMatrixSet:andTileMatrices:

Get the map zoom level range

Declaration

Objective-C

+ (int *)
    mapZoomRangeWithTileMatrixSetDao:(GPKGTileMatrixSetDao *)tileMatrixSetDao
                    andTileMatrixSet:(GPKGTileMatrixSet *)tileMatrixSet
                     andTileMatrices:(NSArray<GPKGTileMatrix *> *)tileMatrices;

Swift

class func mapZoomRange(with tileMatrixSetDao: GPKGTileMatrixSetDao!, andTileMatrixSet tileMatrixSet: GPKGTileMatrixSet!, andTileMatrices tileMatrices: [GPKGTileMatrix]!) -> UnsafeMutablePointer<Int32>!

Parameters

`tileMatrixSetDao`	tile matrix set dao
`tileMatrixSet`	tile matrix set
`tileMatrices`	tile matrices

Return Value

map zoom level range, min at index 0, max at index 1

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                    +mapMinZoomWithTileMatrixSetDao:andTileMatrixSet:andTileMatrices:

Get the map min zoom level

Declaration

Objective-C

+ (int)mapMinZoomWithTileMatrixSetDao:(GPKGTileMatrixSetDao *)tileMatrixSetDao
                     andTileMatrixSet:(GPKGTileMatrixSet *)tileMatrixSet
                      andTileMatrices:(NSArray<GPKGTileMatrix *> *)tileMatrices;

Swift

class func mapMinZoom(with tileMatrixSetDao: GPKGTileMatrixSetDao!, andTileMatrixSet tileMatrixSet: GPKGTileMatrixSet!, andTileMatrices tileMatrices: [GPKGTileMatrix]!) -> Int32

Parameters

`tileMatrixSetDao`	tile matrix set dao
`tileMatrixSet`	tile matrix set
`tileMatrices`	tile matrices

Return Value

map min zoom level

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                    +mapMaxZoomWithTileMatrixSetDao:andTileMatrixSet:andTileMatrices:

Get the map max zoom level

Declaration

Objective-C

+ (int)mapMaxZoomWithTileMatrixSetDao:(GPKGTileMatrixSetDao *)tileMatrixSetDao
                     andTileMatrixSet:(GPKGTileMatrixSet *)tileMatrixSet
                      andTileMatrices:(NSArray<GPKGTileMatrix *> *)tileMatrices;

Swift

class func mapMaxZoom(with tileMatrixSetDao: GPKGTileMatrixSetDao!, andTileMatrixSet tileMatrixSet: GPKGTileMatrixSet!, andTileMatrices tileMatrices: [GPKGTileMatrix]!) -> Int32

Parameters

`tileMatrixSetDao`	tile matrix set dao
`tileMatrixSet`	tile matrix set
`tileMatrices`	tile matrices

Return Value

map max zoom level

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                    +mapZoomWithTileMatrixSetDao:andTileMatrixSet:andTileMatrix:

Get the map zoom level

Declaration

Objective-C

+ (int)mapZoomWithTileMatrixSetDao:(GPKGTileMatrixSetDao *)tileMatrixSetDao
                  andTileMatrixSet:(GPKGTileMatrixSet *)tileMatrixSet
                     andTileMatrix:(GPKGTileMatrix *)tileMatrix;

Swift

class func mapZoom(with tileMatrixSetDao: GPKGTileMatrixSetDao!, andTileMatrixSet tileMatrixSet: GPKGTileMatrixSet!, andTileMatrix tileMatrix: GPKGTileMatrix!) -> Int32

Parameters

`tileMatrixSetDao`	tile matrix set dao
`tileMatrixSet`	tile matrix set
`tileMatrix`	tile matrix

Return Value

map zoom level

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