Wiki¶

This is a public Wiki that collects workflows and information to prepare Data for ingesting and archiving in ARCHE.
Any interested participants are welcome to join (please contact acdh-helpdesk@oeaw.ac.at)

• Table of contents
• Wiki
  • Data Types
    • Images (raster)
    • Images (vector)
    • PDF files
    • Structured text
    • Databases
  • Metadata in files (e.g. EXIF)

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Data Types¶

Images (raster)¶

Formats for archiving:

• tiff, tif - baseline TIFF v. 6, uncompressed
• dng (Adobe Digital Negative)
• png (Portable Network Graphics) - only suitable for graphics, does not support EXIF metadata

More on: Images

Images (vector)¶

Formats for archiving:

• svg
• (dxf, dwg 2010 (AC1024)) (dxf should be preferred over dwg)
• (pdf/a) (only retains look of image, not layers, elements etc.)

More on: Images (vector)

PDF files¶

Formats for archiving:

• pdf/a-1 (a or b)
• pdf/a-2 (a, b, or u)

More on PDF files

Structured text¶

Formats for archiving:

• bib
• kml 2.2
• md
• tex
• xml
• --> list will be extended

More on Structured text

Databases¶

(TODO)

• https://www.loc.gov/preservation/digital/formats/fdd/fdd000426.shtml

Metadata in files (e.g. EXIF)¶

Many file formats support storing metadata in a dedicated header section. This can be enriched or altered.

Tools:

• ExifTool: https://exiftool.org

More on: Editing File Metadata