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NITF PIA TREs Background

NITF PIA TREs Background

NITF PIA TREs Background


Profile for Imagery Access and Profile for Imagery Archive (PIA) TREs are used to hold information required by the Standards Profile for Imagery Access (SPIA). A variety of government agencies require these TREs in NITF image products.

There are 10 unique PIA TREs; newer PIA TREs are labeled Profile for Imagery Access, and older PIA TREs are labeled Profile for Imagery Archive.

You can edit, delete, and save both sets of PIA TREs in NITF files, but you can only create the Profile for Imagery Access TREs shown in the following table. You can create the TREs with user-defined default values using NITF Preferences, and you can save (pack) these to an output NITF file. The software updates PIAPRC and PIAPRD TREs with the current date and time when you create NITF output.

PIA TRE

Header Location

Description

PIAPRD

File

Profile for Imagery Access Product

Information about products derived from a source image

PIAIMC

Image

Profile for Imagery Access Image

Additional image information

PIATGB

Image, Symbol, Label, or Text

Profile for Imagery Access Target

Descriptive data about targets in a segment. One TRE per target

PIAPEB

Image, Symbol, Label, or Text

Profile for Imagery Access Person

Descriptive data about people in a segment. One TRE per identified person

PIAEVA

Image, Symbol, Label, or Text

Profile for Imagery Access Event

Descriptive data about events in a segment. One TRE per identified event

PIAEQA

Image, Symbol, Label, or Text

Profile for Imagery Access Equipment

Descriptive data about equipment in a segment. One TRE per identified piece of equipment

The table below lists Profile for Imagery Archive TREs from an output NITF file that you can edit or delete, but not create.

PIA TRE

Header Location

Description

PIAPRC

File

Profile for Imagery Archive Product

Information about products derived from a source image

PIAIMB

Image

Profile for Imagery Archive Image

Additional image information

PIATGA

Image, Symbol, Label, or Text

Profile for Imagery Archive Target

Descriptive data about targets in a segment. One TRE per target

PIAPEA

Image, Symbol, Label, or Text

Profile for Imagery Archive Person

Descriptive data about people in a segment. One TRE per identified person

PIAEVA

Image, Symbol, Label, or Text

Profile for Imagery Archive Event

Descriptive data about events in a segment. One TRE per identified event

PIAEQA

Image, Symbol, Label, or Text

Profile for Imagery Archive Equipment

Descriptive data about equipment in a segment. One TRE per identified piece of equipment

For detailed information on these TREs, see the NITFS Technical Board document STDI-0002.



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