Tile Class for Embedding Data

Format-agnostic tile abstraction supporting NPY, GeoTIFF, and Zarr storage.

Public fields

lon

Tile center longitude

lat

Tile center latitude

year

Data year

format

Storage format ("npy", "geotiff", or "zarr")

path

Path to the data file

scales_path

Path to scales file (for NPY format)

landmask_path

Path to landmask file

Methods

Public methods

• Tile$new()

• Tile$get_grid_name()

• Tile$get_bounds()

• Tile$get_bbox()

• Tile$get_crs()

• Tile$get_transform()

• Tile$get_dimensions()

• Tile$is_available()

• Tile$load_embedding()

• Tile$contains_point()

• Tile$sample_at_point()

• Tile$to_list()

• Tile$print()

• Tile$clone()

---

Method new()

Create a new Tile object

Usage

Tile$new(
  lon,
  lat,
  year,
  format = "npy",
  path = NULL,
  scales_path = NULL,
  landmask_path = NULL
)

Arguments

lon

Tile center longitude

lat

Tile center latitude

year

Data year

format

Storage format

path

Path to data file

scales_path

Path to scales file (for NPY)

landmask_path

Path to landmask file

Returns

A new Tile object

---

Method get_grid_name()

Get the grid name for this tile

Usage

Tile$get_grid_name()

Returns

Character string grid name

---

Method get_bounds()

Get the bounding box for this tile

Usage

Tile$get_bounds()

Returns

Named list with xmin, ymin, xmax, ymax

---

Method get_bbox()

Get the bounding box as an sf bbox object

Usage

Tile$get_bbox()

Returns

sf bbox object

---

Method get_crs()

Get the CRS (Coordinate Reference System)

Usage

Tile$get_crs()

Returns

sf crs object (WGS84 for geographic, UTM for GeoTIFF)

---

Method get_transform()

Get the affine transform

Usage

Tile$get_transform()

Returns

Named list with resolution and origin info

---

Method get_dimensions()

Get tile dimensions

Usage

Tile$get_dimensions()

Returns

Named list with height, width, channels

---

Method is_available()

Check if data files are available

Usage

Tile$is_available(require_landmask = FALSE)

Arguments

require_landmask

Also require landmask to be available

Returns

Logical

---

Method load_embedding()

Load the embedding data

Usage

Tile$load_embedding()

Returns

3D array with dimensions (height, width, channels)

---

Method contains_point()

Check if a point is within this tile

Usage

Tile$contains_point(lon, lat)

Arguments

lon

Longitude

lat

Latitude

Returns

Logical

---

Method sample_at_point()

Sample embedding at a specific point

Usage

Tile$sample_at_point(lon, lat)

Arguments

lon

Longitude

lat

Latitude

Returns

Numeric vector of embedding values (128 channels)

---

Method to_list()

Convert tile info to a list

Usage

Tile$to_list()

Returns

Named list

---

Method print()

Print tile summary

Usage

Tile$print()

---

Method clone()

The objects of this class are cloneable with this method.

Usage

Tile$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.