Skip to content
Cliff Wulfman edited this page May 1, 2015 · 7 revisions

Blue Mountain File Names

1 File Names

Names of Blue Mountain files will be constructed using Blue Mountain Identifiers with the following extensions.

1.1 Image File Names

<EXTENSION> ::= "tif" | "jp2"
<IMGINDEX>  ::= <0-9><0-9><0-9>
<FILENAME>  ::= <ISSUEID> "_" <IMGINDEX> "." <EXTENSION>

Image files shall be named issueid_nnn.jp2 or issueid_nnn.tif, where

  • issuid is the identifier of the issue;
  • nnn is a three-digit number indicating the location of the image file in the sequence of image files (not necessarily the number printed on the page that has been photographed);
  • jp2 is the conventional file extension for JPEG2000 files.
  • tif is the conventional file extension for TIFF files.

For example,

bmtnaad_1925-06-03_01_001.jp2
bmtnaad_1925-06-03_01_002.jp2
...

1.2 ALTO File Names

<EXTENSION> ::= "alto.xml"
<IMGINDEX>  ::= <0-9><0-9><0-9>
<FILENAME>  ::= <ISSUEID> "_" <IMGINDEX> "." <EXTENSION>

ALTO files shall be named issueid_nnn.alto.xml, where

  • issuid is the identifier of the issue
  • nnn is a three-digit number corresponding to the sequence number of the image file to which this ALTO file corresponds
  • alto indicates the schema used to encode the document
  • xml indicates the format of the file.

For example,

bmtnaad_1925-06-03_01_001.alto.xml
bmtnaad_1925-06-03_01_002.alto.xml
...

1.3 METS File Names

<EXTENSION> ::= "mets.xml"
<FILENAME>  ::= <ISSUEID>  "." <EXTENSION>

METS files shall be named issueid.mets.xml, where

  • issueid is the identifier of the issue
  • mets indicates the schema used to encode the document
  • xml indicates the format of the file.

For example,

bmtnaad_1925-06-03_01.mets.xml

1.4 PDF File Names

<EXTENSION> ::= "pdf"
<FILENAME>  ::= <ISSUEID> "." <EXTENSION>

PDF files shall be named issueid.pdf, where

  • issueid is the identifier of the issue
  • pdf indicates the format of the file.

For example,

bmtnaad_1925-06-03_01.pdf