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- From: baalke@kelvin.jpl.nasa.gov (Ron Baalke)
- Subject: Magellan Atlas Program
- Message-ID: <1992Nov12.165749.15221@elroy.jpl.nasa.gov>
- News-Software: VAX/VMS VNEWS 1.3-4
- Keywords: Magellan, JPL
- Sender: news@elroy.jpl.nasa.gov (Usenet)
- Nntp-Posting-Host: kelvin.jpl.nasa.gov
- Reply-To: baalke@kelvin.jpl.nasa.gov
- Organization: Jet Propulsion Laboratory
- Date: Fri, 13 Nov 1992 00:57:31 GMT
- Lines: 68
-
- ==========================
- MAGELLAN ATLAS PROGRAM
- November 12, 1992
- ==========================
-
- An updated version of the Magellan Atlas program has been released by the
- Magellan project. This program was designed to be used with the Magellan
- CDROMs. This program will do the following:
-
- o Find the latitude/longitude of named features on Venus
- o Given a latitude/longitude, find the mosaics which lie atop
- that point and the Magellan CDROMs on which they are found.
- o The named feature descriptions includes a short description
- of the meaning (origin) of the name, and adds the diameter and
- crater type information listing in Schaber's "JGR - Planets"
- article of August 25, 1992. Diameters for some coronae are also
- listed.
- o Find all the named features (numbering 824) which lie in (or on) a
- specific mosaic has been added, in order to help those who wish to
- work with a specific CD-ROM or mosaic. (This should be helpful
- to teachers, who may have only a limited set of CD-ROMs.)
- o The atlas now includes CDROMs up through Volume 66 including the
- newly released CD-ROMs.
- o A new capability has been added to find named features inside a
- chosen latitude/longitude rectangle.
-
- The new feature of finding named features inside an arbitrary
- latitude/longitude rectangle is intended to show whether a feature which has
- been located on a mosaic possesses a name. The rectangle can be a single
- latitude/longitude "point" - features whose maximum and minimum coordinates
- overlap the point will be found. The rectangle can also wrap around the 360
- longitude boundary. For example, to find all features near 0 longitude, one
- could search for latitude between +90 and -90 and longitude between 355 and
- 365. Features near the equator could be found by searching latitude from
- +5 to - 5, longitude from 0 to 360.
-
- There is both an IBM PC and Macintosh version of the Magellan Atlas
- program. The programs are available using anonymous ftp at:
-
- ftp: ames.arc.nasa.gov (128.102.18.3)
- user: anonymous
- cd: pub/SPACE/SOFTWARE
- files: magellan.zip (IBM PC version -> PKZIP)
- magellan.sit (Macintosh version -> STUFFIT, MacBinary format)
- magellan.hqx (Macintosh version -> BINEX -> STUFFIT)
-
- The database files used by the Magellan Atlas program are also available.
- A description of each field is included at the beginning of each file.
- The underlying databases include the center latitude/longitude given in
- Schaber's article also, but they are not displayed by the atlas program to
- avoid confusion. Also, two new data fields have been added, the first and last
- orbit numbers included in a mosaic. The capability of finding products by
- orbit number is not available in the "Magellan" program itself, but the data
- is available in the database files. The database files are available at:
-
- ftp: ames.arc.nasa.gov (128.102.18.3)
- user: anonymous
- cd: pub/SPACE/MAGELLAN
- files: names.txt (ASCII)
- midr.txt (ASCII)
- mgn-dbf.zip (2 DBase files -> PKZIP)
- ___ _____ ___
- /_ /| /____/ \ /_ /| Ron Baalke | baalke@kelvin.jpl.nasa.gov
- | | | | __ \ /| | | | Jet Propulsion Lab |
- ___| | | | |__) |/ | | |__ M/S 525-3684 Telos | Give people a second
- /___| | | | ___/ | |/__ /| Pasadena, CA 91109 | chance, but not a third.
- |_____|/ |_|/ |_____|/ |
-
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