datacube.model.GridSpec¶
-
class
datacube.model.
GridSpec
(crs, tile_size, resolution, origin=None)[source]¶ Definition for a regular spatial grid
>>> gs = GridSpec(crs=geometry.CRS('EPSG:4326'), tile_size=(1, 1), resolution=(-0.1, 0.1), origin=(-50.05, 139.95)) >>> gs.tile_resolution (10, 10) >>> list(gs.tiles(geometry.BoundingBox(140, -50, 141.5, -48.5))) [((0, 0), GeoBox(10, 10, Affine(0.1, 0.0, 139.95, 0.0, -0.1, -49.05), EPSG:4326)), ((1, 0), GeoBox(10, 10, Affine(0.1, 0.0, 140.95, 0.0, -0.1, -49.05), EPSG:4326)), ((0, 1), GeoBox(10, 10, Affine(0.1, 0.0, 139.95, 0.0, -0.1, -48.05), EPSG:4326)), ((1, 1), GeoBox(10, 10, Affine(0.1, 0.0, 140.95, 0.0, -0.1, -48.05), EPSG:4326))]
- Parameters
crs (geometry.CRS) – Coordinate System used to define the grid
tile_size ([float,float]) – (Y, X) size of each tile, in CRS units
resolution ([float,float]) – (Y, X) size of each data point in the grid, in CRS units. Y will usually be negative.
origin ([float,float]) – (Y, X) coordinates of a corner of the (0,0) tile in CRS units. default is (0.0, 0.0)
-
__init__
(crs, tile_size, resolution, origin=None)[source]¶ Initialize self. See help(type(self)) for accurate signature.
Methods
__init__
(crs, tile_size, resolution[, origin])Initialize self.
grid_range
(lower, upper, step)Returns the indices along a 1D scale.
tile_coords
(tile_index)Coordinate of the top-left corner of the tile in (Y,X) order
tile_geobox
(tile_index)Tile geobox.
tiles
(bounds[, geobox_cache])Returns an iterator of tile_index,
GeoBox
tuples across the grid and overlapping with the specified bounds rectangle.tiles_from_geopolygon
(geopolygon[, …])Returns an iterator of tile_index,
GeoBox
tuples across the grid and overlapping with the specified geopolygon.Attributes
alignment
Pixel boundary alignment
dimensions
List of dimension names of the grid spec
tile_resolution
Tile size in pixels in CRS dimension order (Usually y,x or lat,lon)