Upload
patrick-mcnulty
View
218
Download
3
Tags:
Embed Size (px)
Citation preview
www.wdl.org
Sandy BostianContent Manager, World Digital LibraryLibrary of [email protected]
WDL Partner Meeting“Preparing Your Content”
Washington, DC
December 5, 2012
project.wdl.org
Before You Send It
Before You Send It
• Why does quality matter?
• Your images are what people see.
▪ Deep Zoom shows flaws.
▪ “Put your best foot forward.”
• Your metadata runs the display.
Before You Send It
• What is a digital object?• Media Files
• Metadata
• Relationships
• Behavior
Partner
WDL
Before You Send It: Media
• Color Management
• We don't have the originals, you do.
• Use a color reference target.
Before You Send It: Media
• Resolution
• Deep Zoom shows flaws
• 300 pixels per inch (ppi) or 118 pixels per cm
• 300 ppi resolution is at 100% of original
11 x 8 book should be 3300 pixels x 2400 pixels
Just because it says 300 in Photoshop doesn't
mean it's 300 at original size
Before You Send It: Media<
~~
~~
~~
~~
~~
~ 3
400
~~
~~
~~
~~
~~
~~
~>
< ~
~~
~ 1
700
~~
~~
>
400 pixels per inch in Photoshop
100%
50%(effectively 200 pixels per inch)
Before You Send It: Media
• Save the Pixels, Go Lossless!!
• File Format
JPEG is lossy
If you must use JPEGS, save at highest quality.
• Compression
LZW Preferred
No JPEG compression
Before You Send It: Media
• Skewing
• Cropping
• Check for Missing Files
Before You Send It: Media• Filenaming
• ASCII characters, preferably numbers
• Case matters (my_file vs. My_file vs. my_File)
• Three-letter file extensions (.tif NOT .tiff)
• Do not use these characters:< " * Space “
“> : ( |/ ? ) \
• Leading zeroes (0001.tif, 0002.tif…0010.tif not 1.tif, 2.tif…10.tif)
Before You Send It: Media
• File Corruption
• Checksums (md5)
• Bagger
desktop tool
• BagIt Library (BIL)
command line
tool
Before You Send It: Media
• Digital Identifiers
• Connect your media to your metadata
• Most standards have a place for this:
MARC: 856 $f
Dublin Core: <identifier>
• MODS: <identifier>
• WDL Spreadsheet: image_directory/filename
Before You Send It: Metadata
• Abbreviations
• Don't use them.
• If you must use them, send us a glossary defining the
abbreviation.
• Our translators are not librarians.
• Very time-consuming to track down what
abbreviations mean in non-English languages.
Before You Send It: Metadata
• Name Authority Files
• Do use them.
• Virtual International Authority File (http://viaf.org/)
• Creator Roles
• CE Dates
• URL
Before You Send It
• Copyright
• Work specific
• Author’s life + 70 years
• Please include justification
Transfer
• Physical Media:
• CD/DVD (prone to errors & corruption)
• Hard Drive (preferred)
• Network:
• We FTP/HTTP from your server
• You deliver to our new S3 dropbox
Transfer
• Contact us
• We'll send you S3 login
information
• You upload materials
• We download to our landing zone
• Unlimited space for uploading
• Your box isn't shared with others
• Many tools
• Command Line
• GUI
• S3 protocol vs. FTP
Transfer
Transfer
• Look for documentation of the new
transfer process and tools soon at:
project.wdl.org
www.wdl.org