yardstickpics / metadata

All images in the test suite

Yardstick image test suite metadata

This is a list of image metadata for the test suite.

The files follow naming pattern XX/XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.json where Xs are lowercase hex digits of SHA-1 of the image file being described. The first two digits are used for subdirectory name.

Schema

The JSON contains fields:

• sha1 — SHA-1 hash of the file being described (lowercase hex, required).
• lic — License (required). See licenses.json. One of:
  • pd — Public Domain
  • cc0 — Creative Commons Zero
  • cc-by-2.5, cc-by-3.0 — Creative Commons Attribution
  • cc-by-sa-2.5, cc-by-sa-3.0 — Creative Commons Attribution + Share Alike
• url — URL where the image has been downloaded from.
• urls — Array of alternative locations where this image may be downloaded from.
• from — Identifier/name of source where this image was obtained from (see sources.json)
• tags — Array of arbitrary tags that describe content of this image. Tags with : are reserved for special purposes.
• desc — Object with keys for image description (including attribution) in one or more formats:
  • text — Plain text (with newlines)
  • html — HTML-formatted
  • url — URL to the description
• name — Short name/title of the image. Generally derived from filename.

Downloading image files

There is download.js script included in the yr package that will download all the images in an optimal way.

npm i yr
node ./node_modules/yr/download.js