Product Definitions

A product definition defines what a dataset must look like and provides load hints to Datacube, as well as basic metadata about a product.

The metadata section of a product definition is used to automatically match the product to a dataset. The simplest product definition is included below. This example uses only one measurement (equivalent to an asset in STAC) and some very basic information about the product

---
name: dem_srtm
metadata_type: eo3

metadata:
  product:
    name: dem_srtm

measurements:
  - name: elevation
    dtype: int16
    nodata: -32768.0
    units: "metre"

A slightly more complex product definition is shown below. This example uses the storage section to provide load hints, so that default parameters are known when loading data.

---
name: dem_srtm
description: 1 second elevation model
metadata_type: eo3

license: CC-BY-4.0

metadata:
  product:
    name: dem_srtm

storage:
    crs: EPSG:4326
    tile_size:
      x: 100000.0
      y: 100000.0
    resolution:
      longitude: 0.000277777777780
      latitude: -0.000277777777780

measurements:
  - name: elevation
    dtype: int16
    nodata: -32768.0
    units: "metre"

You can add product definitions using the command line as follows: datacube product add <path-to-file> and you can update them using datacube product update <path-to-file>.

A tool exists that can help you keep products in sync between a CSV list of products and the ODC dataset. See the datacube-product-sync tool.