C# Class OrleansGeo.Grains.ExtensionMethods

Mostrar archivo Open project: richorama/OrleansGeo

Public Methods

Method	Description
Add ( this position, double dx, double dy ) : Position
DistanceTo ( this position1, Position position2 ) : double
GetAllParents ( this quadKey ) : IEnumerable
GetDelta ( string from, string to ) : IEnumerable
GetDelta ( this from, Position to ) : IEnumerable
GetQuadKeysInRadius ( this position, double radius ) : IEnumerable
GroundResolution ( double latitude, int levelOfDetail ) : double	Determines the ground resolution (in meters per pixel) at a specified latitude and level of detail.
LatLongToPixelXY ( double latitude, double longitude, int levelOfDetail, int &pixelX, int &pixelY ) : void	Converts a point from latitude/longitude WGS-84 coordinates (in degrees) into pixel XY coordinates at a specified level of detail.
MapScale ( double latitude, int levelOfDetail, int screenDpi ) : double	Determines the map scale at a specified latitude, level of detail, and screen resolution.
MapSize ( int levelOfDetail ) : uint	Determines the map width and height (in pixels) at a specified level of detail.
PixelXYToLatLong ( int pixelX, int pixelY, int levelOfDetail, double &latitude, double &longitude ) : void	Converts a pixel from pixel XY coordinates at a specified level of detail into latitude/longitude WGS-84 coordinates (in degrees).
PixelXYToTileXY ( int pixelX, int pixelY, int &tileX, int &tileY ) : void	Converts pixel XY coordinates into tile XY coordinates of the tile containing the specified pixel.
QuadKeyToTileXY ( string quadKey, int &tileX, int &tileY, int &levelOfDetail ) : void	Converts a QuadKey into tile XY coordinates.
TileXYToPixelXY ( int tileX, int tileY, int &pixelX, int &pixelY ) : void	Converts tile XY coordinates into pixel XY coordinates of the upper-left pixel of the specified tile.
TileXYToQuadKey ( int tileX, int tileY, int levelOfDetail ) : string	Converts tile XY coordinates into a QuadKey at a specified level of detail.
ToQuadKey ( this position ) : string

Private Methods

Method	Description
Clip ( double n, double minValue, double maxValue ) : double	Clips a number to the specified minimum and maximum values.
DegreesToRadians ( double deg ) : double

Method Details

Add() public static method

public static Add ( this position, double dx, double dy ) : Position
position	this
dx	double
dy	double
return	OrleansGeo.GrainInterfaces.Position

DistanceTo() public static method

public static DistanceTo ( this position1, Position position2 ) : double
position1	this
position2	OrleansGeo.GrainInterfaces.Position
return	double

GetAllParents() public static method

public static GetAllParents ( this quadKey ) : IEnumerable
quadKey	this
return	IEnumerable

GetDelta() public static method

public static GetDelta ( string from, string to ) : IEnumerable
from	string
to	string
return	IEnumerable

GetDelta() public static method

public static GetDelta ( this from, Position to ) : IEnumerable
from	this
to	OrleansGeo.GrainInterfaces.Position
return	IEnumerable

GetQuadKeysInRadius() public static method

public static GetQuadKeysInRadius ( this position, double radius ) : IEnumerable
position	this
radius	double
return	IEnumerable

GroundResolution() public static method

Determines the ground resolution (in meters per pixel) at a specified latitude and level of detail.

public static GroundResolution ( double latitude, int levelOfDetail ) : double
latitude	double	Latitude (in degrees) at which to measure the /// ground resolution.
levelOfDetail	int	Level of detail, from 1 (lowest detail) /// to 23 (highest detail).
return	double

LatLongToPixelXY() public static method

Converts a point from latitude/longitude WGS-84 coordinates (in degrees) into pixel XY coordinates at a specified level of detail.

public static LatLongToPixelXY ( double latitude, double longitude, int levelOfDetail, int &pixelX, int &pixelY ) : void
latitude	double	Latitude of the point, in degrees.
longitude	double	Longitude of the point, in degrees.
levelOfDetail	int	Level of detail, from 1 (lowest detail) /// to 23 (highest detail).
pixelX	int	Output parameter receiving the X coordinate in pixels.
pixelY	int	Output parameter receiving the Y coordinate in pixels.
return	void

MapScale() public static method

Determines the map scale at a specified latitude, level of detail, and screen resolution.

public static MapScale ( double latitude, int levelOfDetail, int screenDpi ) : double
latitude	double	Latitude (in degrees) at which to measure the /// map scale.
levelOfDetail	int	Level of detail, from 1 (lowest detail) /// to 23 (highest detail).
screenDpi	int	Resolution of the screen, in dots per inch.
return	double

MapSize() public static method

Determines the map width and height (in pixels) at a specified level of detail.

public static MapSize ( int levelOfDetail ) : uint
levelOfDetail	int	Level of detail, from 1 (lowest detail) /// to 23 (highest detail).
return	uint

PixelXYToLatLong() public static method

Converts a pixel from pixel XY coordinates at a specified level of detail into latitude/longitude WGS-84 coordinates (in degrees).

public static PixelXYToLatLong ( int pixelX, int pixelY, int levelOfDetail, double &latitude, double &longitude ) : void
pixelX	int	X coordinate of the point, in pixels.
pixelY	int	Y coordinates of the point, in pixels.
levelOfDetail	int	Level of detail, from 1 (lowest detail) /// to 23 (highest detail).
latitude	double	Output parameter receiving the latitude in degrees.
longitude	double	Output parameter receiving the longitude in degrees.
return	void

PixelXYToTileXY() public static method

Converts pixel XY coordinates into tile XY coordinates of the tile containing the specified pixel.

public static PixelXYToTileXY ( int pixelX, int pixelY, int &tileX, int &tileY ) : void
pixelX	int	Pixel X coordinate.
pixelY	int	Pixel Y coordinate.
tileX	int	Output parameter receiving the tile X coordinate.
tileY	int	Output parameter receiving the tile Y coordinate.
return	void

QuadKeyToTileXY() public static method

Converts a QuadKey into tile XY coordinates.

public static QuadKeyToTileXY ( string quadKey, int &tileX, int &tileY, int &levelOfDetail ) : void
quadKey	string	QuadKey of the tile.
tileX	int	Output parameter receiving the tile X coordinate.
tileY	int	Output parameter receiving the tile Y coordinate.
levelOfDetail	int	Output parameter receiving the level of detail.
return	void

TileXYToPixelXY() public static method

Converts tile XY coordinates into pixel XY coordinates of the upper-left pixel of the specified tile.

public static TileXYToPixelXY ( int tileX, int tileY, int &pixelX, int &pixelY ) : void
tileX	int	Tile X coordinate.
tileY	int	Tile Y coordinate.
pixelX	int	Output parameter receiving the pixel X coordinate.
pixelY	int	Output parameter receiving the pixel Y coordinate.
return	void

TileXYToQuadKey() public static method

Converts tile XY coordinates into a QuadKey at a specified level of detail.

public static TileXYToQuadKey ( int tileX, int tileY, int levelOfDetail ) : string
tileX	int	Tile X coordinate.
tileY	int	Tile Y coordinate.
levelOfDetail	int	Level of detail, from 1 (lowest detail) /// to 23 (highest detail).
return	string

ToQuadKey() public static method

public static ToQuadKey ( this position ) : string
position	this
return	string