acknowledgements for ansi/nist-itl 1-2011 - NIST Visual Image ...

ANSI/NIST-ITL 1-2011 - UPDATE 2013 DRAFT VERSIONseparated by a comma between values. An example is “14,23.3” or “22.1,23.3”.• The third information item is the genotype numerical weight / GNW. It is anon-negative real number up to 5 characters (including a period) ranging from 0to 1. An example is “0.114”.8.18.22 Field 18.022: Comment / COMThis is an optional field. See Section 7.4.4 for details.8.18.23 Field 18.023: Electropherogram ladder / EPLThis optional field contains a repeating subfield for a ladder / control sample. This field isonly present if Field 18.011: Sample typing information / STI has a subfield with thevalue 3. Each subfield is comprised of the following information items, the first four ofwhich are mandatory if this field is used:• The first information item is the ladder image reference / LIR. It shall containan alphanumeric reference up to 8 characters, which is unique for each image. Ifnone has been assigned, enter 999. This is a unique identifier.• The second information item is the ladder storage type / LST. This is a string ofup to 4 characters, representing the file type suffix for the electropherogram. Thedata is stored in “fsa”, “hid” or “----“ The dashes may be substituted withcharacter strings for other format types as they become available.• The third information item is the ladder image data descriptor / LDD of theelectropherogram contained in this subfield. If the data is stored externally, enterthe filename. This is an alphanumeric string with special characters allowed. Anexample is “NIST Run 5 Well A07 12 Jan 11”• The fourth information item is the ladder electropherogram data/ LEPD. Thisshall be stored in base-64 format.• The fifth information item is optional. It is the ladder electropherogramscreenshot / LES. This may be an image captured during the analysis. This shallbe stored in base-64 format.8.18.24 Fields 18.200-18.900: user-defined fields / UDFThese fields are user-defined fields. Their size and content shall be defined by the user and be inaccordance with the receiving agency.8.18.25 Field 18.902: Annotation information / ANNThis is an optional field, listing the operations performed on the original source in orderto prepare it for inclusion in a biometric record type. See Section 7.4.1.May, 2013 DRAFT VERSION UPDATE 2013 Page 383