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Digital Publishing - Standards

Material Type
Vendor-Supplied Digital Objects
Archival Cluster
Service/ Master Cluster
Deliverable File
Thumb-nail
Best Practice
Acceptable Practice
 Best Practice is the same as the Archival Cluster for all material types Discipline specific file formats (ex. FITS) are acceptable as long as they bring added value to the file. Unless noted all deliverables are 4x5 @ 72 ppi & JPEG1 All thumbnails are 150 pixels in the greater dimension @ 72 ppi & JPEG
Archival files should confirm to any of the following formats. “Best Practice” required for computing or library projects. Minimum required elements for inclusion in the DDL. Default to Best Practice unless otherwise noted.
Text --electronic
 TXT, HTML, SGML/XML/TEI PDF, RTF (Output device determines resolution) PDF-searchable LowRes for screen HiRes for printing N/A
Text -- manuscript
 TIFF RLE (32 bit for Color, 8 bit for grayscale) 4000 PPI Lossless compression only Translated text same as Electronic Text TIFF RLE 32 bit color, 8 bit grayscale 1200 PPI 1:1 Lossless compression only Minimum resolution 300 PPI @ 8x10 LowRes for screen HiRes for printing JPG
Text -- typeset
 TIFF (for image) TXT, HTML, SGML/XML/TEI PDF, RTF 300 ppi min. PDF-searchable LowRes for screen HiRes for printing N/A
Unique Fonts
Artwork
 TIFF (32 bit for Color, 8 bit for grayscale) 3400 PPI 1:1 Lossless compression only. 1200 PPI 1:1 Minimum resolution 300 ppi @ 8x10 LowRes HiRes for printing JPG
Digital Photos
 3/n/2.n Mpixel @ ±2048x1536/±1600 x 1200 32 bit color/8 bit grayscale TIFF RLE 2 Mpixel JPEG
Graphics
 TIFF RLE (32 bit for Color, 8 bit for grayscale) 3400 PPI Lossless compression only. 1200 PPI 1:1 Minimum resolution 300 ppi @ 8x10 LowRes HiRes for printing JPG
Line Graphics
 TIFF RLE match original bit depth GIF
Images, Vector
 EPS, SVG, such as Adobe Illustrator Machine generated preview to the above spec. HiRes for printing JPG
Maps2
 TIFF RLE (32 bit Color, 8 bit for grayscale) 3400 PPI 1:1 Lossless compression only, also see "Images, Vector" 1200 PPI 1:1 Minimum resolution 300 ppi @ 8x10 LowRes HiRes for printing For maps which are larger than 8x10 or which suffer extensive loss of detail such that the subject matter becomes indeterminable: 8x10 @150 ppi JPG
Photos3 -- negatives/ transpar-encies
 TIFF RLE 32 bit color, 8 bit grayscale 4000 PPI 1:1 Lossless compression only TIFF RLE 32 bit color, 8 bit grayscale 2700 PPI 1:1 Lossless compression only LowRes HiRes for printing JPG
Photos -- prints
 TIFF RLE 32 bit color, 8 bit grayscale 3400 PPI 1:1 Lossless compression only TIFF RLE 32 bit color, 8 bit grayscale 1200 PPI 1:1 Lossless compression only Minimum resolution 300 PPI @ 8x10
Audio
 AIFF, DVD Audio, WAVE, SND, QT, MP3+, REAL, MS 44.1kHz 16bit AIFF,REAL, MS 11 or 22.05 kHz streaming representative clip
Video
 Analog, MPG-1, DV, DV-CAM, DVD/MPG2 NTSC/PAL, HDTV DV or DV-CAM, MPG2, MPG-4, MPG-7, MPG-21 REAL, MS 320/240 (quarter screen) - MPG-1 full screen (MPG-2) 150/600 kilobytes per second Streaming JPG (representative frame - same size)
Web pages

Last Updated: 1/5/12