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A-10 A-61140 January 2000
Three level offset
indexing
When using three level offset indexing, the image address assigned to
each document is defined as follows:
• Field A (Level 1) is defined as having a field length of 0
• Field B (Level 2) is defined as having a field length greater than 0
• Field C (Level 3) is defined as having a field length greater than 0
• Fixed field may be defined, if desired
For example, if you scan a book with two sections (Section 1 contains 2
chapters, each having 40 pages; Section 2 contains only 1 chapter,
having 120 pages) the image address has been defined:
• Field A has 0 characters
• Field B has 2 characters
• Field C has 1 character
• Fixed field has 0 characters
Section1
Header
Chapter 1
Heade
r
Page 1-1
Page…
Page 1-40
Chapter 2
Header
Page 2-1
Pa
g
e…
Page 2-40
Image Address 1.00
Image Address 1.01
Image Address 1.01
Image Address 1.01
Image Address 1.02
Image Address 1.02
Image Address 1.02
Section 2
Heade
r
Chapter 1
Header
Page 1-1
Page…
Page 1-120
Image Address 2.00
Image Address 2.01
Image Address 2.01
Image Address 2.01
The header page for Section 1 is assigned image address 1.00. The
header page for Chapter 1 of the section is assigned image address
1.01. The remaining pages of Chapter 1 are also assigned image
address 1.01. The header page for Chapter 2 of the section is
assigned image address 1.02. The remaining pages of Chapter 2 are
also assigned image address 1.02.
The header page for Section 2 is assigned image address 2.00. The
header page for Chapter 1 of the section is assigned image address
2.01. The remaining pages of Chapter 1 are also assigned image
address 2.01.
Either one of the section header or chapter header pages may later be
located and retrieved using its unique image address. Pages within a
chapter may later be located and retrieved by first finding the chapter
header and then manually scrolling through the remaining pages of the
chapter.