GPKGCoverageDataPng Class Reference


                    
                    
                    -initWithGeoPackage:andTileDao:andWidth:andHeight:andProjection:

Initialize

Declaration

Objective-C

- (instancetype)initWithGeoPackage:(GPKGGeoPackage *)geoPackage
                        andTileDao:(GPKGTileDao *)tileDao
                          andWidth:(NSNumber *)width
                         andHeight:(NSNumber *)height
                     andProjection:(PROJProjection *)requestProjection;

Swift

init!(geoPackage: GPKGGeoPackage!, andTileDao tileDao: GPKGTileDao!, andWidth width: NSNumber!, andHeight height: NSNumber!, andProjection requestProjection: PROJProjection!)

Parameters

`geoPackage`	GeoPackage
`tileDao`	tile dao
`width`	specified results width
`height`	specified results height
`requestProjection`	request projection

Return Value

new instance

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                    -initWithGeoPackage:andTileDao:

Initialize

Declaration

Objective-C

- (instancetype)initWithGeoPackage:(GPKGGeoPackage *)geoPackage
                        andTileDao:(GPKGTileDao *)tileDao;

Swift

init!(geoPackage: GPKGGeoPackage!, andTileDao tileDao: GPKGTileDao!)

Parameters

`geoPackage`	GeoPackage
`tileDao`	tile dao

Return Value

new instance

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                    -initWithGeoPackage:andTileDao:andProjection:

Initialize

Declaration

Objective-C

- (instancetype)initWithGeoPackage:(GPKGGeoPackage *)geoPackage
                        andTileDao:(GPKGTileDao *)tileDao
                     andProjection:(PROJProjection *)requestProjection;

Swift

init!(geoPackage: GPKGGeoPackage!, andTileDao tileDao: GPKGTileDao!, andProjection requestProjection: PROJProjection!)

Parameters

`geoPackage`	GeoPackage
`tileDao`	tile dao
`requestProjection`	request projection

Return Value

new instance

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                    -pixelValueWithImage:andX:andY:

Get the pixel value as an unsigned short

Declaration

Objective-C

- (unsigned short)pixelValueWithImage:(id)image andX:(int)x andY:(int)y;

Swift

func pixelValue(withImage image: Any!, andX x: Int32, andY y: Int32) -> UInt16

Parameters

`image`	tile image
`x`	x coordinate
`y`	y coordinate

Return Value

unsigned short pixel value

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                    -pixelValueWithData:andX:andY:

Get the pixel value as an unsigned short

Declaration

Objective-C

- (unsigned short)pixelValueWithData:(NSData *)imageData
                                andX:(int)x
                                andY:(int)y;

Swift

func pixelValue(with imageData: Data!, andX x: Int32, andY y: Int32) -> UInt16

Parameters

`imageData`	image data
`x`	x coordinate
`y`	y coordinate

Return Value

unsigned short pixel value

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                    -pixelValuesWithImage:

Get the pixel values of the image as unsigned shorts

Declaration

Objective-C

- (unsigned short *)pixelValuesWithImage:(id)image;

Swift

func pixelValues(withImage image: Any!) -> UnsafeMutablePointer<UInt16>!

Parameters


                                image

tile image

Return Value

unsigned short pixel values

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                    -pixelValuesWithData:

Get the pixel values of the image as unsigned shorts

Declaration

Objective-C

- (unsigned short *)pixelValuesWithData:(NSData *)imageData;

Swift

func pixelValues(with imageData: Data!) -> UnsafeMutablePointer<UInt16>!

Parameters


                                imageData

image data

Return Value

unsigned short pixel values

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                    +validateImageType:

Validate that the image type is an unsigned short

Declaration

Objective-C

+ (void)validateImageType:(id)image;

Swift

class func validateImageType(_ image: Any!)

Parameters


                                image

tile image

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                    -valueWithGriddedTile:andImage:andX:andY:

Get the coverage data value

Declaration

Objective-C

- (NSDecimalNumber *)valueWithGriddedTile:(GPKGGriddedTile *)griddedTile
                                 andImage:(id)image
                                     andX:(int)x
                                     andY:(int)y;

Swift

func value(with griddedTile: GPKGGriddedTile!, andImage image: Any!, andX x: Int32, andY y: Int32) -> NSDecimalNumber!

Parameters

`griddedTile`	gridded tile
`image`	tile image
`x`	x coordinate
`y`	y coordinate

Return Value

coverage data value

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                    -valuesWithGriddedTile:andImage:

Get the coverage data values

Declaration

Objective-C

- (NSArray *)valuesWithGriddedTile:(GPKGGriddedTile *)griddedTile
                          andImage:(id)image;

Swift

func values(with griddedTile: GPKGGriddedTile!, andImage image: Any!) -> [Any]!

Parameters

`griddedTile`	gridded tile
`image`	tile image

Return Value

coverage data values

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                    -drawTileWithUnsignedShortPixelValues:andTileWidth:andTileHeight:

Draw a coverage data image tile from the flat array of unsigned short pixel values of length tileWidth * tileHeight where each pixel is at: (y

tileWidth) + x

Declaration

Objective-C

- (id)drawTileWithUnsignedShortPixelValues:(unsigned short *)pixelValues
                              andTileWidth:(int)tileWidth
                             andTileHeight:(int)tileHeight;

Swift

func drawTile(withUnsignedShortPixelValues pixelValues: UnsafeMutablePointer<UInt16>!, andTileWidth tileWidth: Int32, andTileHeight tileHeight: Int32) -> Any!

Parameters

`pixelValues`	unsigned short pixel values of length tileWidth * tileHeight
`tileWidth`	tile width
`tileHeight`	tile height

Return Value

coverage data image tile

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                    -drawTileWithPixelValues:andTileWidth:andTileHeight:

Draw a coverage data image tile from the flat array of unsigned short pixel values of length tileWidth * tileHeight where each pixel is at: (y

tileWidth) + x

Declaration

Objective-C

- (id)drawTileWithPixelValues:(NSArray *)pixelValues
                 andTileWidth:(int)tileWidth
                andTileHeight:(int)tileHeight;

Swift

func drawTile(withPixelValues pixelValues: [Any]!, andTileWidth tileWidth: Int32, andTileHeight tileHeight: Int32) -> Any!

Parameters

`pixelValues`	unsigned short pixel values of length tileWidth * tileHeight
`tileWidth`	tile width
`tileHeight`	tile height

Return Value

coverage data image tile

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                    -drawTileDataWithPixelValues:andTileWidth:andTileHeight:

Draw a coverage data image tile and format as PNG bytes from the flat array of unsigned short pixel values of length tileWidth * tileHeight where each pixel is at: (y * tileWidth) + x

Declaration

Objective-C

- (NSData *)drawTileDataWithPixelValues:(NSArray *)pixelValues
                           andTileWidth:(int)tileWidth
                          andTileHeight:(int)tileHeight;

Swift

func drawTileData(withPixelValues pixelValues: [Any]!, andTileWidth tileWidth: Int32, andTileHeight tileHeight: Int32) -> Data!

Parameters

`pixelValues`	unsigned short pixel values of length tileWidth * tileHeight
`tileWidth`	tile width
`tileHeight`	tile height

Return Value

coverage data image tile bytes

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                    -drawTileWithDoubleArrayPixelValues:

Draw a coverage data tile from the double array of unsigned short pixel values formatted as short[row][width]

Declaration

Objective-C

- (id)drawTileWithDoubleArrayPixelValues:(NSArray *)pixelValues;

Swift

func drawTile(withDoubleArrayPixelValues pixelValues: [Any]!) -> Any!

Parameters


                                pixelValues

unsigned short pixel values as [row][width]

Return Value

coverage data image tile

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                    -drawTileDataWithDoubleArrayPixelValues:

Draw a coverage data tile and format as PNG bytes from the double array of “unsigned short” pixel values formatted as short[row][width]

Declaration

Objective-C

- (NSData *)drawTileDataWithDoubleArrayPixelValues:(NSArray *)pixelValues;

Swift

func drawTileData(withDoubleArrayPixelValues pixelValues: [Any]!) -> Data!

Parameters


                                pixelValues

“unsigned short” pixel values as [row][width]

Return Value

coverage data image tile bytes

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                    -drawTileWithGriddedTile:andValues:andTileWidth:andTileHeight:

Draw a coverage data image tile from the flat array of coverage data values of length tileWidth * tileHeight where each value is at: (y * tileWidth) + x

Declaration

Objective-C

- (id)drawTileWithGriddedTile:(GPKGGriddedTile *)griddedTile
                    andValues:(NSArray *)values
                 andTileWidth:(int)tileWidth
                andTileHeight:(int)tileHeight;

Swift

func drawTile(with griddedTile: GPKGGriddedTile!, andValues values: [Any]!, andTileWidth tileWidth: Int32, andTileHeight tileHeight: Int32) -> Any!

Parameters

`griddedTile`	gridded tile
`values`	coverage data values of length tileWidth * tileHeight
`tileWidth`	tile width
`tileHeight`	tile height

Return Value

coverage data image tile

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                    -drawTileWithGriddedTile:andDoubleArrayValues:

Draw a coverage data image tile from the double array of coverage data values formatted as Double[row][width]

Declaration

Objective-C

- (id)drawTileWithGriddedTile:(GPKGGriddedTile *)griddedTile
         andDoubleArrayValues:(NSArray *)values;

Swift

func drawTile(with griddedTile: GPKGGriddedTile!, andDoubleArrayValues values: [Any]!) -> Any!

Parameters

`griddedTile`	gridded tile
`values`	coverage data values as [row][width]

Return Value

coverage data image tile

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                    -imageData:

Get the image as PNG bytes

Declaration

Objective-C

- (NSData *)imageData:(id)image;

Swift

func imageData(_ image: Any!) -> Data!

Parameters


                                image

buffered image

Return Value

image bytes

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                    -pixelIn:withWidth:atX:andY:

Get the pixel at the provided x and y with the image width

Declaration

Objective-C

- (unsigned short)pixelIn:(unsigned short *)pixels
                withWidth:(int)width
                      atX:(int)x
                     andY:(int)y;

Swift

func pixel(in pixels: UnsafeMutablePointer<UInt16>!, withWidth width: Int32, atX x: Int32, andY y: Int32) -> UInt16

Parameters

`pixels`	pixels array
`width`	image width
`x`	x coordinate
`y`	y coordintate

Return Value

pixel value

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                    -pixelValuesUnsignedShortToArray:withCount:

Convert the unsigned short pixel array to a NSArray of numbers

Declaration

Objective-C

- (NSArray *)pixelValuesUnsignedShortToArray:(unsigned short *)pixelValues
                                   withCount:(int)count;

Swift

func pixelValuesUnsignedShort(toArray pixelValues: UnsafeMutablePointer<UInt16>!, withCount count: Int32) -> [Any]!

Parameters

`pixelValues`	pixels values
`count`	pixel count

Return Value

pixel array

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                    -pixelValuesArrayToUnsignedShort:

Convert the pixel array to an unsigned short pixel array

Declaration

Objective-C

- (unsigned short *)pixelValuesArrayToUnsignedShort:(NSArray *)pixelValues;

Swift

func pixelValuesArray(toUnsignedShort pixelValues: [Any]!) -> UnsafeMutablePointer<UInt16>!

Parameters


                                pixelValues

pixels values

Return Value

unsigned short pixel array

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                    -pixelValuesDoubleArrayToUnsignedShort:

Convert the pixel double array to an unsigned short pixel array

Declaration

Objective-C

- (unsigned short *)pixelValuesDoubleArrayToUnsignedShort:
    (NSArray *)pixelValues;

Swift

func pixelValuesDoubleArray(toUnsignedShort pixelValues: [Any]!) -> UnsafeMutablePointer<UInt16>!

Parameters


                                pixelValues

pixels values

Return Value

unsigned short pixel array

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                    -pixelValuesOfValues:withGriddedTile:

Convert the coverage data array to an unsigned short pixel array

Declaration

Objective-C

- (unsigned short *)pixelValuesOfValues:(NSArray *)values
                        withGriddedTile:(GPKGGriddedTile *)griddedTile;

Swift

func pixelValues(ofValues values: [Any]!, with griddedTile: GPKGGriddedTile!) -> UnsafeMutablePointer<UInt16>!

Parameters

`values`	coverage data values
`griddedTile`	gridded tile

Return Value

unsigned short pixel array

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                    -pixelValuesOfDoubleArrayValues:withGriddedTile:

Convert the coverage data double array to an unsigned short pixel array

Declaration

Objective-C

- (unsigned short *)pixelValuesOfDoubleArrayValues:(NSArray *)values
                                   withGriddedTile:
                                       (GPKGGriddedTile *)griddedTile;

Swift

func pixelValues(ofDoubleArrayValues values: [Any]!, with griddedTile: GPKGGriddedTile!) -> UnsafeMutablePointer<UInt16>!

Parameters

`values`	coverage data values
`griddedTile`	gridded tile

Return Value

unsigned short pixel array

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                    +createTileTableWithGeoPackage:andMetadata:

Create the coverage data tile table with metadata and extension

Declaration

Objective-C

+ (GPKGCoverageDataPng *)
    createTileTableWithGeoPackage:(GPKGGeoPackage *)geoPackage
                      andMetadata:(GPKGTileTableMetadata *)metadata;

Swift

class func createTileTable(with geoPackage: GPKGGeoPackage!, andMetadata metadata: GPKGTileTableMetadata!) -> GPKGCoverageDataPng!

Parameters

`geoPackage`	GeoPackage
`metadata`	tile table metadata

Return Value

coverage data tiles

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