Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

From version 24.3 the configuration is possible via the API

Introduction

The following offers an overview of 4 concepts configuring how ingested items are transformed from their original representation into one or more access representations.

Configuration

Concept

Database Table

Purpose

Properties

Formats

file_formats

  • List of Pronoms describing what the possible formats are for

represenations
  • representations

Overview

Pronom ID, Allowed, Forbidden, …

Transformations

transformations

  • Into which format with a particular

widht
  • width, height, dpi, bit rate etc to transform an original representation

  • For example, transformation into JPG (fmt/42) using 2000x2000 pixels

Transformation ID, Target Pronom ID, Extension, Width, Height, Dpi, Bitrate, etc

Transformations - Formats

file_formats_transformations_links

  • Which transformations to generate for a particular format

  • For example convert TIFF (fmt/353) into JPG (fmt/42)

Tranformation ID, Pronom ID

Transformations - Cluster groups

transformation_cluster_group_links

On which cluster groups to store the access representation created by the transformation

Transformation ID, Cluster group Pools

Error handling

Access representation failure policy

...