I think you can even output a short animation sequence from NOAA WCT and it will play in Google Earth. (My GPS file converter can also read human-created plain-text input files more easily. You can then record the screen again, take a screenshot, or whatever. GPS Visualizer's utility has these advantages: a simpler interface the ability to add estimated elevation (via SRTM and USGS data), speed, course, slope, and/or distance fields and CSV or tab-delimited text output which is more user-friendly than GPSBabel's. Google Earth can open that directly and show your position at defined times. The source code for GPSBabel should be freely available and modifications are certainly permitted as well as the option to inspect the software. The license provides the options to freely download, install, run and share this program without any restrictions. Use Franson GPSGate to convert your Franson NMEA or Delorme GPL GPS log into the XML based GPX format. GPSBabel has been released under the open source GPL license on Windows from mapping. Then open that in Google Earth and you'll see the radar scan on top of the satellite imagery. If you just need a scan or two, another solution would be to open the archived radar data set in the free NOAA Weather Climate Toolkit and then output it as a Google Earth KMZ/KML. I grew tired of this real quick, and wound up writing my own Direct3D app that overlays radar data on top of downloaded Google Maps tiles. GrLevelX had (and perhaps still does) a limitation in the number of files it could open, so if you want to do a lengthy animation, you then have to do this process multiple times and try to stitch it together. This is a pain in the ass solution though, requiring a lot of manual effort and fuss. Then you'll want to load in the archived radar set into GrLevelX and I guess use the arrow keys or toolbar buttons to try to keep the radar scan in sync with the GPS log time Franson is displaying. You can play it back in real time, or speed up the playback rate, and then watch your position change in GR or Street Atlas. GrLevelX, Street Atlas, Streets and Trips or whatever will see this as a regular GPS output. The Franson software then allows you to playback a GPS log file. Delorme's logs are doing this for you too, but I've found Franson's logs to be a more robust and complete format. Having your GPS position archived for future use is absolutely invaluable. ![]() DO NOT post in this forum if you are not an active chaser or meteorologist you must use the Introductory forum instead. This is the place to talk shop about current events and concerns. Really, every chaser should be doing this in some form. Science and Storm Chasing Advanced weather & chasing New Meteorology discussion by experienced chasers and forecasters. Add a Recorder output so that your GPS position is saved while you chase. ![]() if you want to attempt to do this using off the shelf stuff. I run it straight from the compiler and write custom code for each of those animations I make.Ä«uuut. Unfortunately I don't have this in as a shareable solution. Yeah, I had to code it up myself after I couldn't accomplish what I needed in GrLevelX and various mapping programs.
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