GIS Global
Mapper GPS Menu
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The GPS Menu offers the following commands:
Global Mapper provides the ability to track the position of a
GPS device connected to your computer's serial port (or USB via
a serial-to-USB converter) in real-time over the top of any
loaded mapping data, for example.
The GPS device must communicate in either
NMEA-0183 v2.x or Garmin binary format to be compatible with
Global Mapper.
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When tracking a GPS device, you can mark the current location
as a waypoint. You can also choose to record a bread-crumb
trail, or tracklog, of where you have gone.
Below is a sample screen capture of what Global Mapper looks
like when tracking a GPS device over loaded data. In the sample,
30-m SDTS DEM data is loaded as a backdrop with Tiger 2002 data
loaded on top.
You can see the GPS vessel location and the
tracklog of where the vessel has been. The GPS
Information dialog displays current GPS status information.
Start Tracking GPS
The Start Tracking GPS option causes Global Mapper to
look for a GPS device attached on the configured serial port
(see the Setup command) and to start
displaying the location of the GPS device, if found, in the
Global Mapper display window.
If a GPS device is found which has a valid GPS fix, you will
see a triangular vessel appear in the Global Mapper view at the
location reported by the GPS device. The vessel will point in
the current direction of travel, as reported by the GPS device.
Stop Tracking GPS
The Stop Tracking GPS command tells Global Mapper to
stop tracking any connected GPS devices.
Keep the Vessel On-Screen
If the Keep the Vessel On-Screen option is checked,
the main view will automatically pan when the GPS vessel
approaches the edge of the view to keep the vessel in the view.
Mark Waypoint
Use the Mark Waypoint command to save a point feature
at the current GPS location. When selected, this command will
display a dialog allowing you to specify any additional desired
attributes and/or drawing styles that you would like to
associate with the waypoint.
Any created waypoint features will be added to the user
features layer, which appears in the Overlay
Control Center. The waypoint features can be exported to any
of the supported vector export formats.
Vessel Color
The Vessel Color command allows you to control what
color the GPS vessel is displayed in.
Vessel Size
The Vessel Size submenu options allow you to control
how large you would like the triangular GPS vessel to be on
screen.
The Setup command displays the GPS Setup dialog
(pictured below). The GPS Setup dialog allows you to tell
Global Mapper what port your GPS device is connected to your
computer on and what format the GPS device is communicating in.
Make sure that you have your GPS device set to NMEA-0183 v2.x or
Garmin mode. There is also an Auto-Detect option which will
cause Global Mapper to try and automatically determine your GPS
device's settings when you start tracking the device.
Information...
If you are currently tracking a GPS device, the Information
command will display the GPS Information dialog (pictured
below). This dialog displays status information about the
current GPS connection, as well as the current GPS location (in
both lat/lon and the current global coordinate sytem), speed,
heading, and accuracy estimate.
Clear Tracklog
If you are currently recording a tracklog of where your GPS
device has been, the Clear Tracklog command will clear
whatever is currently recorded that has not yet been saved using
the Save Tracklog command.
Record Tracklog
The Record Tracklog command controls whether or not a
bread-crumb trail (i.e. tracklog) will be recorded to log where
the GPS device has traveled. This tracklog can be saved to any
of the supported vector export formats. The drawing style of the
tracklog can be configured on the Line Styles tab of the
Configuration dialog.
Save Tracklog
The Save Tracklog command will save the currently
record tracklog to a permanent line feature. When selected, this
command will display a dialog allowing you to specify any
additional desired attributes and/or drawing styles that you
would like to associate with the tracklog. In addition, any
extraneous points that do not contribute to the shape of the
tracklog will be automatically removed to save space.
Any saved tracklog features will be added to the user
features layer, which appears in the Overlay
Control Center. The saved tracklog features can be exported
to any of the supported vector export formats.
Download
New v9.02
For Free Now !!
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