New GWG Specifications

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GWG checks (1)

• Added

− Extra checks for transparency blend color space

− DeviceGray

• Small black text can not be DeviceGray

• Thin black lines can not be DeviceGray

− Overprint

• Thin black lines (DeviceCMYK) must overprint OPM=1

− ICC v2 profiles (not higher)

− Single Image Page: min resolution

What is PDF/X-4? And how is it related to other PDF standards like ...

Download the complete guide - Ghent Workgroup

Review of current specification and future work ... - Ghent Workgroup

The preflght specifications of the GWG in detail. What we have today ...

Le specifiche del Ghent PDF Workgroup - Ghent Workgroup

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The role of PDF and GWG in cross media publishing and production.

Download the white paper - Ghent Workgroup

General • Based on PDF/X-4:2010 − Based on PDF 1.6 • No longer CMYK, Gray or Spot only • Allows device independent color • Transparency allowed • Layers allowed (except for Ads)

GWG checks (1) • Added − Extra checks for transparency blend color space − DeviceGray • Small black text can not be DeviceGray • Thin black lines can not be DeviceGray − Overprint • Thin black lines (DeviceCMYK) must overprint OPM=1 − ICC v2 profiles (not higher) − Single Image Page: min resolution

Page 1 and 2: Specifications Elli Cloots Co-chair
Page 3 and 4: Current specification v4
Page 5 and 6: General • Based on PDF/X-1a:2001
Page 7 and 8: GWG checks (all variants) • No fo
Page 9 and 10: Coming next GWG2011
Page 11: Variants (draft names) • GWG2011_
Page 15 and 16: GWG checks (3) • Updated − “E
Page 17 and 18: More?
Page 19: Questions? Thank You!

New GWG Specifications

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