STACTA - Spatio-Temporal Asset Catalog Tiled Assets¶
New in version 3.3.
Driver short name
Driver built-in by default
This driver is built-in by default
This driver supports opening JSON files following the Spatio-Temporal Asset Catalog Tiled Assets specification. Such JSON file references tiles (also called metatiles), split from a potentially big dataset according to a tiling scheme, with several zoom levels. The driver provides a single raster view, with overviews, of the dataset described by the JSON file. The driver supports metatiles of arbitrary size.
STACTA datasets/subdatasets can be accessed with one of the following syntaxes:
filename.json: local file
STACTA:"https://example.com/filename.json": remote file
STACTA:"filename.json":my_asset: specify an asset of a local/remote file
STACTA:"filename.json":my_asset:my_tms: specify an asset and tiling scheme of a local/remote file
The following open options are supported:
WHOLE_METATILE= YES/NO. If set to YES, metatiles will be entirely downloaded (into memory). Otherwise by default, if metatiles are bigger than a threshold, they will be accessed in a piece-wise way.
SKIP_MISSING_METATILE= YES/NO. If set to YES, metatiles that are missing will be skipped without error, and corresponding area in the dataset will be filled with the nodata value or zero if there is no nodata value. This setting can also be set with the
If a STACTA JSON file contains several asset templates and/or tiling scheme, the driver will return a list of subdataset names to open each of the possible subdatasets.