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Fact Sheet: _VPF
to STF Converter
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DESCRIPTION
This free tool converts National Geospatial-Intelligence Agency (NGA) feature
data in Vector Product Format (VPF) to SEDRIS Transmittal Format (STF).
RELEASE INFORMATION
The current version is 4.1.4.0, and is compatible with SEDRIS SDK 4.1.x.
FEATURES
- Reads a transmittal
definition file, where the user specifies:
- the absolute
path to a VPF database directory,
- the name of a
particular data library subdirectory within the specified VPF database that
is to be the source of the transmittal,
- the names of
one or more coverages within the specified VPF library that are to be
included in the transmittal,
- the values of
various required transmittal-level metadata elements, such as the Citation,
Legal Constraints, Security Constraints, and Responsible Party, that cannot
be derived from the contents of the VPF database,
- the location of
the vpf error file, and
- optionally, the
area of interest.
- Populates as much
required transmittal-level metadata as possible with values from the VPF
database and library header tables.
- Creates a separate
Classification Related Features object for each selected VPF coverage.
- Processes multiple
tiles within a VPF coverage into corresponding Perimeter Related Feature
Topology objects.
- If an area of
interest is specified, only those tiles that are at least partially within that
area of interest are processed.
- Creates a separate
Union of Features object containing all features with each unique FACC feature
code within each selected coverage.
- Processes all VPF
point, line, and area features within the selected coverages, including compound
features (i.e., features that consist of multiple primitives).
- Breaks
non-sequential compound line features into multiple SEDRIS Linear Features all
contained within a single Union of Features object.
- Translates FACC
feature codes to corresponding EDCS Classification Codes.
- Assigns EDCS
Classification Codes to non-FACC features (e.g. Data Quality features) using
look-up tables.
- Creates Property
Value objects for each feature attribute.
- Translates FACC
attribute codes to corresponding EDCS Attribute Codes.
- Assigns EDCS
Attribute Codes to non-FACC attributes using look-up tables.
- Creates all
topological relationships supported by the source data.
- Retains VPF
coverage and feature class names as Keywords.
LIMITATIONS
- Only processes
features contained within a single VPF library.
- Does not process
VPF text features.
- Cannot process
multiple-valued attributes contained in Related Attribute Tables (RATs); only
the first attribute value is processed.
- Does not support
the translation of VPF cross-tile topology.
- Operation can be
disrupted by serious errors in the structure and organization of the VPF data,
such as critical files that are missing or corrupted.
- Errors in the VPF source data are listed in a
text file (vpf errors).
SYSTEM REQUIREMENTS
Hardware
- Recommended minimum CPU speed for Intel based machines
is 500 MHz.
- Recommended minimum RAM for all supported platforms
is 128 MB.
- Minimum disk space required is 100 MB.
Software
- Operating Systems Supported:
- Microsoft Windows
Software Requirements:
POINT OF CONTACT
Send email to help@sedris.org
for questions or assistance in using this application.
As a minimum, please provide the following in your
email:
- application name
- application version
- hardware architecture
- OS name and version
- detailed problem description
PLANNED IMPROVEMENTS
Updates to remain compliant with new releases of
the SEDRIS SDK and EDCS SDK.
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Last updated:_June 22, 2011
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