These are the answers to some GSD Frequently Asked Questions. The Technical FAQ requires a user ID and a password to access. If you do not have a user ID and password, you can get one by completing the survey.
Last Modified: November 2003
This FAQ includes answers to the following questions:
If you have questions, comments, or suggestions please send them to GSD.
A copy of MIL-STD-2525X is available on the web from the Symbology Standards Management Committee.
The CGM graphics are embedded within the GSD software, so they cannot be extracted easily for use outside of the GSD libraries. In order to obtain the GSD libraries, you will need to complete the survey.
Please see the operating systems, hardware, and compiler version page for details.
The GSD libraries that do not involve creating Graphical User Interfaces have been ported to Windows NT-based operating systems (details). The Graphical User Interfaces are being redeveloped in Java and will be made available for both Unix and Windows. Many of the sample applications have also been ported. The GSD libraries have been used on Win 9X systems, but it is not recommended, as we do not test on these operating systems and we do make use of capabilities that are available on Windows NT but not on Windows 9X.
GSD 2.2.0.2 has been approved and is available through DII/COE. There are no plans to make any later versions of GSD DII/COE compliant.
GSD has been extended to display Geospatial (Mapping, Charting, and Geodesy - MC&G) symbology as specified in MIL-PRF-89045, Geospatial Symbols for Digital Displays (GeoSym).
You need to make your requirements known to your service's representative to the Symbology Standards Management Committee (SSMC). A list of the current representatives is maintained on the SSMC's website.
GSD may be contacted via:
This capability has been added to GSD. We call it "Free Hand" drawing. Each primitive type was assigned an icon identifier and is able to be sent via the GraphRep.
No, to the best of our knowledge the new FM-101-5-1 is a subset of MIL-STD-2525 and intentionally conforms to the MIL-STD-2525.
The official name of the GraphRep message is the USMTF GraphRep-Overlay. It is documented in the USMTF Message Handbook (99 baseline). Its message number is C203.
However, it is difficult to keep the GraphRep in sync with the MIL-STD-2525X. A copy of "USMTF GRAPHREP-OVERLAY Message User's Guide" is included in $GSD_HOME/doc/manuals/MsgManual. This document follows the GraphRep standard where possible, but deviates when necessary to support the current MIL-STD-2525 version. The GSD libraries are coded to this document. The USMTF website contains more information regarding the GraphRep message.
The GSD manuals are provided in HTML,PDF, and Microsoft Word format.
You may download a free web browser from Netscape's web site or Microsoft's web site.
You may download a free PDF reader from Adobe's web site.
If your version of Word is unable to read the posted files, you can obtain a Word view/converter from Microsoft's web site.
The country codes used by GSD for the MIL-STD-2525 icon identifiers conform to FIPS PUB 10-4 "Countries, Dependencies, Areas of Special Sovereignty, and Their Principal Administrative Divisions", and the four current change notices.
Some operating systems include a utility for calculating MD5 checksums;
for example, Solaris 9 and Red Hat Linux 8.0 include the
md5sum tool. There are many sources on the Internet for
tools that will calculate MD5 checksums; GSD uses
Jacksum, a
free open source tool written in Java.
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