文件列表:

Mmo_gpssa\mo_gps\CUtils.cls (2050, 1999-01-29)
Mmo_gpssa\mo_gps\data\c_socal.aux (4236, 2001-08-07)
Mmo_gpssa\mo_gps\data\c_socal.sdw (192, 2001-08-07)
Mmo_gpssa\mo_gps\data\c_socal.sid (799416, 2001-08-07)
Mmo_gpssa\mo_gps\data\c_socal.sid.aux (6357, 2001-08-07)
Mmo_gpssa\mo_gps\data\FOLDOPEN.BMP (246, 1996-08-14)
Mmo_gpssa\mo_gps\data\gpslog.txt (748379, 1998-12-22)
Mmo_gpssa\mo_gps\data\op.dbf (152, 1999-02-19)
Mmo_gpssa\mo_gps\data\op.sbn (148, 1999-02-19)
Mmo_gpssa\mo_gps\data\op.sbx (116, 1999-02-19)
Mmo_gpssa\mo_gps\data\op.shp (128, 1999-02-19)
Mmo_gpssa\mo_gps\data\op.shx (108, 1999-02-19)
Mmo_gpssa\mo_gps\data\op_visible.dbf (5159, 1999-02-19)
Mmo_gpssa\mo_gps\data\op_visible.sbn (10452, 1999-02-19)
Mmo_gpssa\mo_gps\data\op_visible.sbx (692, 1999-02-19)
Mmo_gpssa\mo_gps\data\op_visible.shp (94544, 1999-02-19)
Mmo_gpssa\mo_gps\data\op_visible.shx (2028, 1999-02-19)
Mmo_gpssa\mo_gps\data\play.bmp (7750, 1999-07-06)
Mmo_gpssa\mo_gps\data\redX.bmp (7158, 1999-07-06)
Mmo_gpssa\mo_gps\data\schema.ini (35, 2001-08-07)
Mmo_gpssa\mo_gps\data\STOP02.BMP (246, 1996-08-14)
Mmo_gpssa\mo_gps\fonts\lucon.ttf (107820, 1996-08-03)
Mmo_gpssa\mo_gps\fonts\VERDANA.TTF (109724, 1998-06-19)
Mmo_gpssa\mo_gps\frmDocument.frm (87923, 2001-08-07)
Mmo_gpssa\mo_gps\frmDocument.frx (45222, 2001-08-07)
Mmo_gpssa\mo_gps\frmMicro.frm (1168, 1999-02-03)
Mmo_gpssa\mo_gps\frmMicro.frx (26, 1999-02-03)
Mmo_gpssa\mo_gps\frmSettings.frm (3435, 1999-01-21)
Mmo_gpssa\mo_gps\frmSettings.frx (943, 1999-01-21)
Mmo_gpssa\mo_gps\GGA.cls (8571, 1999-01-29)
Mmo_gpssa\mo_gps\GSA.cls (5218, 1999-01-29)
Mmo_gpssa\mo_gps\GSV.cls (7580, 1999-01-29)
Mmo_gpssa\mo_gps\MO_GPS.exe (204800, 2001-08-07)
Mmo_gpssa\mo_gps\MO_GPS.vbp (1095, 2001-08-07)
Mmo_gpssa\mo_gps\MO_GPS.vbw (329, 2001-08-07)
Mmo_gpssa\mo_gps\MSSCCPRJ.SCC (191, 1999-06-17)
Mmo_gpssa\mo_gps\RMC.cls (7129, 1999-01-29)
Mmo_gpssa\mo_gps\schema.ini (35, 2001-08-07)
Mmo_gpssa\mo_gps\data (0, 2001-08-07)
... ...

README file for MO_GPS Demo R. Bivens, Applications Prototype Lab 21 Jan 99 OVERVIEW __________________________________________________________________ The MO_GPS sample program is intended to demonstrate the real-time tracking and monitoring capabilities of MapObjects 2.0. The main screen of the program is divided into five main areas: the "Signal-to-Noise" ratio area the "Satellite Geometry" area the map display area the "GPS Data" area the "Target Information" area The "Signal to Noise Ratio" portion of the screen consists of eight vertical bars and eight numbers. Each number represents a satellite being tracked, and the bar above it represents the relative signal strength of that satellite. The "Satellite Geometry" portion of the screen consists of moving north arrow and up to eight satellite representations. Satellites are presented as a small dot, with three lines of text showing the satellite number, the azimuth to its location and the elevation (above the horizon) to its location. There are also two dark green concentric circles on this portion of the screen. The outer circle represents the horizon in 360 degrees around the receiver, and the inner circle represents an imaginary circle 45 degrees up from the horizon. If the user is facing north, it is possible to locate the general position of each satellite being tracked. Red satellites represent a loss-of-signal condition. The arrow points toward the direction of travel, AKA "Track Made Good". The map display contains a DEM (.tif) of southern California as a base map. Once satellites are being tracked, the GPS position is displayed on the map in the form of a crosshair cursor. The "GPS Data" region of the screen displays textual information from the receiver. The "Target Information" area displays the location, distance, azimuth and back-azimuth to a target. To select a target, depress the crosshair button on the toolbar and click on a point on the map. Target information is updated as the position of the GPS changes. CAVEATS _______________________________________________________________________ The MO_GPS demo works in two modes: real-time and file-playback. It has been tested with an older GARMIN 45, but should operate with any receiver that can output NMEA via a data cable. NMEA has become a near-standard among GPS manufacturers for real-time output, but not all receivers are capable of sending a data stream in this mode. Also, Some vendors choose not to implement certain portions of NMEA, which means that parts of this demo may not work. In file-playback mode, the demo reads a pre-recorded NMEA file. Such a file exists in the /data directory called gpsfile.txt. The MO_GPS demo was designed with a 600 X 800 screen in mind. If the host machine has a resolution less than this, parts of the main form are not visible. Important! ****************************************************************************** * For this demo to work properly, two fonts should be installed on the host * * machine: Lucida Console and Verdana. These fonts are freely available from * * Microsoft and are also located in the /fonts directory. * ******************************************************************************

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