Difference between revisions of "PDF/A in PDS4 - A Primer"
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(Created page with "== PDF/A Overview == === PDF/A-1 === ; PDF/A-1a Level A Conformance * This is the much preferred conformance level for PDS4. ; PDF/A-1b Level B Conformance * This is the mini...") |
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== PDF/A Overview == | == PDF/A Overview == | ||
+ | There are so far three iterations of the PDF/A standard: PDF/A-1, PDF/A-2, and PDF/A-3. A document that conforms to one standard will not necessarily conform to the others. PDS4 requires compliance specifically to the first, PDF/A-1<ref>[https://pds.jpl.nasa.gov/policy/format_policies_final.pdf Policy on Formats for PDS4 Data and Documentation]. (2014, June 30). The Planetary Data System. From [https://pds.jpl.nasa.gov/policy/ PDS Policies]</ref>. | ||
+ | === PDF/A-1 === | ||
+ | PDF/A-1 is based on PDF version 1.4, and imposes further restrictions. | ||
+ | : PDF/A-1 files '''must''' include: | ||
+ | :* Embedded fonts<ref name="FAQ">[http://www.npes.org/pdf/19005-1_FAQ.pdf 19005-1 FAQ]. (2006, July 10). PDF/A Joint Working Group. From [http://www.npes.org/programs/standardsworkroom/toolsbestpractices/pdfa.aspx NPES PDF/A FAQ]</ref> | ||
+ | :* Device-independent color<ref name="FAQ"/> | ||
+ | :* XMP metadata<ref name="FAQ"/> | ||
+ | : PDF/A-1 files '''may not''' include: | ||
+ | :* Encryption<ref name="FAQ"/> | ||
+ | :* LZW Compression<ref name="FAQ"/> | ||
+ | :* Embedded files<ref name="FAQ"/> | ||
+ | :* External content references<ref name="FAQ"/> | ||
+ | :* PDF Transparency<ref name="FAQ"/> | ||
+ | :* Multi-media<ref name="FAQ"/> | ||
+ | :* JavaScript<ref name="FAQ"/> | ||
− | |||
; PDF/A-1a | ; PDF/A-1a | ||
Level A Conformance | Level A Conformance |
Revision as of 16:45, 7 July 2017
PDF/A Overview
There are so far three iterations of the PDF/A standard: PDF/A-1, PDF/A-2, and PDF/A-3. A document that conforms to one standard will not necessarily conform to the others. PDS4 requires compliance specifically to the first, PDF/A-1[1].
PDF/A-1
PDF/A-1 is based on PDF version 1.4, and imposes further restrictions.
- PDF/A-1 files must include:
- PDF/A-1 files may not include:
- PDF/A-1a
Level A Conformance
- This is the much preferred conformance level for PDS4.
- PDF/A-1b
Level B Conformance
- This is the minimum conformance level required for PDS4.
See Also
External Links
- General
- Backend
- Buy ISO PDF/A-1 Standard:
References
- ↑ Policy on Formats for PDS4 Data and Documentation. (2014, June 30). The Planetary Data System. From PDS Policies
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 19005-1 FAQ. (2006, July 10). PDF/A Joint Working Group. From NPES PDF/A FAQ