![]() I will clean up and publish the source code for anyone to contribute when I get some spare time. Please share anything fun you visualize with it, report bugs, suggest new features and send me your drone's logs if they are not supported yet. Accuracy is still an issue DJI should address, but I find it fun to visualize the paths of my flights and get an approximation of speeds, distance and so on.įeel free to test the tool I created. ![]() It turns out they can provide some interesting information if you combine data entries to smoothen the paths, speeds and so on. If your DJI drone is controlled by the DJI Go App or DJI Fly App, then you can easily import your flight trajectory into DroneViewer via the SRT file. I decided to give them a try, and have been playing with ways of visualizing them. They appear when you turn on "Video Captions" in the Go4 App, but they are not very accurate (not enough location digits are included, only recorded once every second.), so not many people have been using them for anything. I think the crossovers are the sweet spot, though, because a 'fast' clock or interrupt on that Linux board is slow in comparison to the more tightly integrated RTOSes.SRT logs have been there in our SD cards for a while. In order for DroneViewer to associate the movies with the correct data files, the data files must have. Vector Files: Esri-compatible Shape Files (SHP) Raster Imagery Files: Esri-compatible Raster Imagery files. DroneViewer will look for GPX, SRT (DJI), ASS (Autel) and Flytrex CSV data files in the movie file directory. Embedded Video GPS Metadata: MISB Full Motion Video (FMV), GoPro embedded GPS, DJI closed captioning, Remote GeoSystems Whisper (our Patented, Constantly-Persistent GPS Encoding) Geospatial Map Data Support. The DJI drones discussed here have big Cortex-A53 SOCs that are already logging 4k video at 30 FPS to that SD card the log file is only noticeable as a distraction from that task. Tutorial Tuesday Bringing you a quick guide on how to use your On-Screen Display SRT file that comes along your DJI footage files.Like the music Epidemic S. Run DroneViewer and load your drone’s movie files through the File menu or through the Open Folder, or Open Files toolbar button. Running on a Cortex M3 with a few dozen MHz and a few dozen kB of RAM? Yeah, appending to and rolling over a whole 512-byte page in RAM and finding the time to push it over the SPI peripheral is going to be tough, you may want to use a binary protocol so you're not burning unnecessary cycles in itoa() and you get more data per byte of buffer. Remote Geosystems offers the industry’s most complete set of off-the-shelf, and patented tools for georeferenced video data collection, mapping, reporting and collaboration from any survey, inspection and surveillance platforms from DJI drones. If you're running on a crossover MCU, like a Cortex M7, with a core or maybe two at a couple hundred MHz? Think about it what you log. Specializing in Professional Geospatial Full Motion Video Software & Solutions for DJI Drones. The only thing to watch out for is that if you want to use the logs to figure out why you had a catastrophic crash, the OS may have write-buffered a lot of data in RAM. Running on a single-board computer with an applications processor like a Raspberry Pi or BeagleBone, with multiple cores at 1 GHz+, gigabytes of DDR3, with on-chip SDXC drivers? Logging loads are irrelevant. It is compatible with the SRT data files produced by the Mavic Pro, Phantom 3, Phantom 4 and possibly other DJI. And, importantly, DJI Viewer runs on both macOS and Windows computers. In the menu on the left, scroll down to the 'Video' menu. The software has been localized for Chinese, Dutch, French, German, Hungarian, Russian, Spanish, Turkish, and Vietnamese. I personally just keep the file, in case I want to know in. You turn off the information recording in the video section of the DJI go app and it will no longer record the SRT files. Ok, I managed to extract the data into a text format with a batch script, and then I made my flight log viewer interpret those text files: DJI SRT Flight Data Viewer and Converter Scroll down to find the script to extract the data. ![]() In the lower left corner of the Preferences window that just popped up will be a toggle to switch between simple and advanced preferences. If you delete the SRT file, the video playback will not show the information, such as your home gps location, barometer, shutter speed, iso, exposure value, etc. This has a lot to do with the performance of your processor. Open up the Tools menu and select Preferences.
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