class LayoutTileSource[K] extends AnyRef
Reads tiles by key from a RasterSource as keyed by a LayoutDefinition
- Note
It is required that the RasterSource is pixel aligned with the LayoutDefinition
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- LayoutTileSource
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- new LayoutTileSource(source: RasterSource, layout: LayoutDefinition, tileKeyTransform: (SpatialKey) => K)(implicit arg0: SpatialComponent[K])
- source
raster source that can be queried by bounding box
- layout
definition of a tile grid over the pixel grid
- tileKeyTransform
defines the key transformation you want to apply to the spatially tiled data
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- def keyedRasterRegions(): Iterator[(K, RasterRegion)]
All intersecting RasterRegions with their respective keys
- def keys: Set[K]
Set of keys that can be read from this tile source
- val layout: LayoutDefinition
- final def ne(arg0: AnyRef): Boolean
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- def rasterRegionForKey(key: K): Option[RasterRegion]
- def read(key: K, bands: Seq[Int]): Option[MultibandTile]
Read tile according to key.
Read tile according to key. If tile area intersects source partially the non-intersecting pixels will be filled with NODATA. If tile area does not intersect source None will be returned.
- def read(key: K): Option[MultibandTile]
- def readAll(): Iterator[(K, MultibandTile)]
Read all available tiles
- def readAll(keys: Iterator[K]): Iterator[(K, MultibandTile)]
- def readAll(keys: Iterator[K], bands: Seq[Int]): Iterator[(K, MultibandTile)]
Read multiple tiles according to key.
Read multiple tiles according to key. If each tile area intersects source partially the non-intersecting pixels will be filled with NODATA. If tile area does not intersect source it will be excluded from result iterator.
- val source: RasterSource
- def sourceColOffset: Long
- def sourceRowOffset: Long
- final def synchronized[T0](arg0: => T0): T0
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- val tileKeyTransform: (SpatialKey) => K
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