Feel free to contact the author if the need arises on your site. It is planned to support gpsd (over network) and file input in the future. In conclusion: GPS extension needs a serial port, either physical or virtual, delivering the GPS data.
It has successfully been tested to work with Garmin eTrex Vista HCx unit on Windows Vista 32 bit. One commercial non-free alternative might be the GpsGate software. If you find one for your gps device which is not mentioned here feel free to add it for others to find. There are programs which interface GPS receivers and install virtual serial ports. Sometimes additional drivers have to be installed for this mode of operation. If so this probably is your interface to the GPS receiver. Check if a new serial device (COM,ttySxx) is created when connecting the device to the computer.
USB receivers connected through USB cable to the computer might also work instantly, if they utilize a serial-to-usb adapter. GPS receivers which are connected to a physical serial port (COM,ttySxx) should work out of the box. (*) read supported receivers for more explanation add current coordinate as point to existing geometry.inserting point at current coordinate to layers.tracking layers to current coordinate in configurable intervals.
OpenJUMP GPS extension enables support for 7.3 with raster images, vectors from a database, and other projections.6.3 RXTX load's but serial device is missing.6.2 RXTX native driver won't load / crashes.
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