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1993-09-01
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INTRODUCTION
CHARTFINDER makes it easier to quickly identify the proper
nautical chart from your chart inventory. It has a find feature:
just enter the lat/long of the geographic area you are interested
in, and names of charts covering the selected area are displayed.
You can also print a logically sorted list of your charts. All you
have to do is enter a few chart parameters to set up a database,
CHARTFINDER does the rest. A sample chart database is included
with the program.
MENU OPTIONS
FIND A CHART: Enter the search area in degrees latitude/longitude.
Do not use minutes or tenths of degrees. North latitudes and West
longitudes are assumed. Use minus degrees for South latitudes and
East longitudes. Example: Enter -5 and 59 to search 5 degrees South
and 59 degrees West. All charts within one half degree latitude and
one half degree longitude of database chart geographical limits will
be listed.
ADD A CHART: This option is to build your chart database, and to add
new charts to an established database.
NAME: This should be a name that describes the specific
area that the chart covers.
CHART NUMBER. Normally the DMA or IMRAY designated chart
number.
AREA: This is the general area of the chart that you wish
the charts to be grouped by. Examples: Bahamas, Cuba,
Windwards. It is important to be consistent in the use of
capital letters when you enter area data, as the chart sort
routine differentiates between upper case and lower case
letters. For example, B.V.I will sort ahead of Bahamas,
Windwards will sort ahead of bahamas.
SCALE: Enter chart information in a format you desire.
Suggest using commas for clarity, (i.e., 1,000,000).
TOP LATITUDE: The latitude at the top of the chart in degrees
and minutes. Be sure and put a space between degrees and
minutes. For South latitudes use minus. Example: -5 30 is 5
degrees 30 minutes South latitude. If the chart includes
multiple small area charts, use the highest top latitude.
BOTTOM LATITUDE: The latitude at the bottom of the chart. If
the chart includes multiple small area charts, use the lowest
bottom latitude.
LEFT AND RIGHT LONGITUDE: Latitude information applies. For
East longitudes use negative numbers.
VIEW/EDIT RECORDS: This option displays individual records in the
chart database. Each record contains the data for the selected chart.
You will note that minutes of latitude and longitude data have been
converted to tenths of degrees. This has been done to facilitate
chart search calculations. Additional options available are displayed
at the bottom of the screen.
ARROW KEYS: Select the next or previous record.
PageUp/PageDown: Used to select plus or minus 5 records.
HOME: Selects the first record.
END: Selects the last record.
D: Deletes the selected record.
T: Used to edit a selected record. Name, Area, and Scale can
be edited here. If you wish to retain the same data in one or
more entries, enter an equal sign. If it is necessary to
change the latitude or longitude entries, you can delete the
record and reenter the desired data.
You might notice a short delay in program execution after a change is
made to the database. This is caused when the revised chart list is
sorted and written to disk.
PRINT/VIEW CHART LIST: This option enables you to view the complete
chart list or to print hard copy for easy reference.
I would appreciate your comments on this program.
Joel R. Graffman
2855 SW Lakemont Place
Palm City, FL 34990