AndyC
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Trouble recreating Mission Planner gmapcache and prefetching maps

Started Mar 7, 2017 0 Replies

I'm having difficulties managing prefetched maps, that I haven't been able to find addressed in previous discussions.To clear out unwanted prefetched map files, I deleted the 'gmapcache' directory…Continue

Can anyone help identify why Auto and RTL both failed?

Started this discussion. Last reply by AndyC Sep 26, 2014. 5 Replies

Hi guys,I need to use my Y6 (APM 2.6; AC 3.1.5) for surveying and need to be able to automate missions, but today my auto mission didn't complete and RTL failed - it was as though the flight mode…Continue

Tags: DO_CHANGE_SPEED, failure, RTL, Auto

What is 'DistToMAV' in the Flight Data page?

Started this discussion. Last reply by AndyC Aug 14, 2014. 2 Replies

I'm new to UAVs and the DIY Drones, so apologies if this isn't the best forum for this topic, but can anyone explain what 'DistToMAV' is on the Flight Data page?I couldn't find the answer on the…Continue

 

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AndyC posted a discussion

Trouble recreating Mission Planner gmapcache and prefetching maps

I'm having difficulties managing prefetched maps, that I haven't been able to find addressed in previous discussions.To clear out unwanted prefetched map files, I deleted the 'gmapcache' directory from my Mission Planner directory. In the past I thought that this cache directory was recreated by MP, either when the program was launched or when new maps were prefetched; however, this directory is not being recreated on my system (Mission Planner v1.3.44, build 1.1.6240.11550; Windows 8.1). I've…See More
Mar 7, 2017
AndyC replied to David Locascio's discussion Geotagging TIF/RAW images from Mission Planner using time offset
"Using MP1.3.41 the Geotag utility still doesn't recognise TIFF images. It would be very helpful to be able to geotag TIFF images in addition to lossy JPEG images - hopefully a fairly straightforward feature request to implement?"
Nov 17, 2016
AndyC replied to Tryggvi Stefánsson's discussion Geo ref not working after update of Mission planner 1.3.31.1
"Although the issue with the Geo Ref Images utility in MP 1.3.31.1 that was raised by the original poster doesn't appear for me in MP 1.3.32, I'm encountering new problems with this tool I haven't encountered previously. With 'Use…"
Dec 7, 2015
AndyC replied to Randy's discussion ArduCopter-3.2 beta testing
"I'm still encountering a similar issue with the Geo Reg Images utility in MP-1.3.32. Pre-process appears to only work for me when 'Use AMSL Alt' is unselected. If this is selected, the utility prints the error "Log file problem.…"
Dec 7, 2015
AndyC replied to DB's discussion Reading CAM messages from Log files to use "Geo ref Images"
"I know this is an old thread, but for the benefit of others facing the same problem who stumble upon it... I sounds very likely that the mission you've designed is asking the camera to trigger faster then it is capable of doing. You should…"
Dec 7, 2015
AndyC replied to Matt Gunn's discussion Let's talk Canon cameras
"I've produced some very accurate models (DGPS controls GCP RMSE <17 mm) with images from a S100 at 1/1000th second Tv; The minimum usable shutter speed will depend on flying speed/altitude, but won't always have to be faster than…"
Oct 27, 2014
AndyC replied to Randy's discussion ArduCopter-3.2 beta testing
"This sounds similar to an issue I had with my Y6. RTL completed fine in the air, once on the ground the motors initially slowed but then starting increasing; it appeared about to flip so I switched to Stabilize to shut down. The throttle was set to…"
Oct 2, 2014
AndyC added a discussion to the group Terrain/Surface Mapping
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FOV in the 'Geo ref images' tool

I've just started using the great tool for geotagging photos with the flight log in Mission Planner's (v1.3.10). While most of the Wiki describing this tool is refreshingly clear, maybe the section on Field of View could perhaps be more complete.I'm guessing ‘Dir fov’ is field of view in the direction of travel and ‘Cross fov’ is field of view in the direction perpendicular to the…See More
Sep 28, 2014
AndyC replied to AndyC's discussion Can anyone help identify why Auto and RTL both failed?
"@John. I'm afraid I didn't check the that as I was focusing on the other things going awry. I've just upgraded to AC 3.2_rc10 (beta), and had a couple of flights without observing this - I'll be keeping an eye on it though. Cheers"
Sep 26, 2014
jdburne replied to AndyC's discussion Can anyone help identify why Auto and RTL both failed?
"I have been having the exact same problem.  Thank you for posting the workaround.  "
Sep 26, 2014
AndyC replied to Randy's discussion ArduCopter-3.2 beta testing
"Adding to the groundswell that 3.2_rc10 is looking pretty stable... I just updated my 3DR Y6B from AC3.1.5 to 3.c_rc10. So far I've flown with Stabilize, AltHold, Loiter and RTL which all work nicely; congrats again to the Dev team. (PS. Can…"
Sep 26, 2014
john replied to AndyC's discussion Can anyone help identify why Auto and RTL both failed?
"You mentioned 10m baro drift. That seems like a lot. Did you check what your altitude was when it was loitering instead of rtl? Also check the log for Ntun DPosX and DPosY to see if it was trying to return to the home coordinates."
Sep 25, 2014
AndyC replied to AndyC's discussion Can anyone help identify why Auto and RTL both failed?
"That temporary workaround resolved the problem, which won't be present in AC 3.2."
Sep 25, 2014
AndyC replied to AndyC's discussion Can anyone help identify why Auto and RTL both failed?
"I just found a nearly identical problem reported on the ArduPilot forum in June; narrowing down the problem to a bug with the ‘DO_CHANGE_SPEED’ command. From the information on GitHub (#766) and a note on the Wiki, I think the issue…"
Sep 24, 2014
AndyC commented on Thorsten's blog post 3D reconstruction of largest Hallstatt tumulus grave in central Europe (T3 entry)
"Fantastic demonstration Thorsten; could you let us know how many images you captured for this reconstruction?"
Sep 24, 2014
AndyC posted a discussion

Can anyone help identify why Auto and RTL both failed?

Hi guys,I need to use my Y6 (APM 2.6; AC 3.1.5) for surveying and need to be able to automate missions, but today my auto mission didn't complete and RTL failed - it was as though the flight mode changed to loiter and ignored RTL signals. I've spent several hours trying to work out what went wrong, but still can't get to the bottom of the multiple failures so I'd really appreciate some input.I've previously flown successful test missions in Auto mode, which were also designed in MP (V1.3.10)…See More
Sep 23, 2014

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About Me:
Environmental Scientist
Please tell us a bit about your UAV interest
I'm interested in using UAVs to acquire aerial imagery to characterise the structure of Dryland ecosystems
Hometown:
Exeter, UK

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