GeoTileMatrixSet class abstract

A tile matrix set with conversions between tiles and geographic positions.

Inheritance
Implementers

Constructors

GeoTileMatrixSet()
Default const constructor to allow extending this abstract class.
const

Properties

converter → ScaledConverter
A map converter between geospatial positions and map coordinates.
no setterinherited
hashCode → int
The hash code for this object.
no setterinherited
maxZoom → int
The maximum (suggested) zoom level for this tile matrix set.
no setterinherited
origin → CanvasOrigin
The position of the origin in a tile matrix and map pixel "canvas".
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
tileSize → int
The number of pixels for one tile in one axis (normally 256 or 512).
no setterinherited

Methods

mapBounds() → GeoBox
Returns a bounding box with min and max positions for the whole map.
override
mapHeight(int zoom) → int
The number of pixels ("map height") at zoom in the Y axis.
inherited
mapWidth(int zoom) → int
The number of pixels ("map width") at zoom in the X axis.
inherited
matrixHeight(int zoom) → int
The number of tiles ("matrix height") at zoom in the Y axis.
inherited
matrixWidth(int zoom) → int
The number of tiles ("matrix width") at zoom in the X axis.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
pixelArcResolution(int zoom) → double
The arc resolution (longitudal) of a pixel in degrees at zoom.
pixelGroundResolution(int zoom) → double
The groud resolution (in meters) of a pixel at zoom.
inherited
pixelToPosition(Scalable2i pixel) → Geographic
Transforms pixel coordinates to a position.
override
pixelToTile(Scalable2i pixel) → Scalable2i
Returns a tile covering a region in pixel coordinates.
inherited
pixelToWorld(Scalable2i pixel) → Projected
Transforms pixel coordinates to world coordinates.
inherited
positionToPixel(covariant Geographic position, {int zoom = 0}) → Scalable2i
Transforms position to pixel coordinates at zoom.
override
positionToTile(covariant Geographic position, {int zoom = 0}) → Scalable2i
Returns a tile at zoom covering a region in position.
override
positionToWorld(covariant Geographic position) → Projected
Transforms position to world coordinates.
override
scaleDenominator(int zoom, {double screenPPI = screenPPIbyOGC}) → double
The map scale denominator at zoom and screenPPI.
inherited
tileArcResolution(int zoom) → double
The arc resolution (longitudal) of a tile in degrees at zoom.
tileGroundResolution(int zoom) → double
The groud resolution (in meters) of a tile at zoom.
inherited
tileToBounds(Scalable2i tile) → GeoBox
Returns a bounding box with min and max positions for tile.
override
tileToPixel(Scalable2i tile, {Aligned align = Aligned.center, bool requireInside = false}) → Scalable2i
Transforms a fractional point defined by align inside tile to pixel coordinates.
inherited
tileToPosition(Scalable2i tile, {Aligned align = Aligned.center}) → Geographic
Transforms a fractional point defined by align inside tile to a position.
override
tileToWorld(Scalable2i tile, {Aligned align = Aligned.center}) → Projected
Transforms a fractional point defined by align inside tile to world coordinates.
inherited
toString() → String
A string representation of this object.
inherited
worldToPixel(Projected world, {int zoom = 0}) → Scalable2i
Transforms world coordinates to pixel coordinates at zoom.
inherited
worldToPosition(Projected world) → Geographic
Transforms world coordinates to a position.
override
worldToTile(Projected world, {int zoom = 0}) → Scalable2i
Returns a tile at zoom covering a region in world coordinates.
inherited
zoomFromPixelGroundResolution(double resolution) → double
The zoom from pixel ground resolution in meters.
inherited
zoomFromScaleDenominator(double denominator, {double screenPPI = screenPPIbyOGC}) → double
The zoom from map scale denominator at given screenPPI.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited