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"datamining" thousands of IGC files
Marrek has received 7121 IGC files from recent Slovakian competitions from Soaring Spot.
The easiest way to datamine for particular airspace is for sure with SeeYou Competition. 1. Create a task for each competition day (same task for everybody, something simple with two overlapping circles where a glider "starts" right off tow) 2. make an airspace file with only one airspace - the one that you are investigating 3. Run the Auto Evaluation on all 7000+ flights, save the CUC file (or make an XML if you wish) 4. search for "airspace violations", each one is listed in the CUC file. Description of the warning message is in the help file. If you have a programmer who likes parsing this can all be very much automated Let me know if you need more help. Andrej Kolar On Tuesday, March 6, 2012 8:20:31 AM UTC+1, Tibor wrote: Thanks everyone for suggestions, please keep them coming . For now we need to answer simple question or two. e.g. how many "flights/hours have reached 7500ft MSL."? We'll probably get only competition flights (no online competitions), as we luckily have quite enough competitions in Slovakia and it's easy to approach the organizers. For longer term, of course we would like to have more sophisticated collection, filtering and ad hoc queries. That's why I mentioned importing flights into relational+spatial database. I think it's the propper groundwork for anybody doing statistics or visualizations. If we create something along this lines I'll let you know. Thanks, Tibor On Monday, March 5, 2012 6:26:07 PM UTC+1, Tibor wrote: Hi, are there any open/free tools to datamine on database of many IGC files? There is a threat that the free airspace for gliding in Slovakia is going to be significantly restricted. We need tools which help prepare arguments about airspace usage and frequency of our flights. If I was starting from scratch I would probably try to import all the flights into a GIS database (PostGIS) and do the data cleaning and queries there. Does anybody have experience with this? Thanks for you help, Tibor Arpas On Monday, March 5, 2012 6:26:07 PM UTC+1, Tibor wrote: Hi, are there any open/free tools to datamine on database of many IGC files? There is a threat that the free airspace for gliding in Slovakia is going to be significantly restricted. We need tools which help prepare arguments about airspace usage and frequency of our flights. If I was starting from scratch I would probably try to import all the flights into a GIS database (PostGIS) and do the data cleaning and queries there. Does anybody have experience with this? Thanks for you help, Tibor Arpas |
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