Replies to This Discussion

DeveloperPermalink Reply by Michael Oborne on April 10, 2012 at 7:44pm

1. prefetch just downloads the images to a cache. you just need to hold down alt and draw a box on the map, then click prefetch.

2. you can use python scripting in real flight, but you need a very reliable telemetry link. as it overrides your rc transmitter.

use with CAUTION

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Permalink Reply by Sonia Kouassi Eba Kaudjhis on April 10, 2012 at 7:52pm

Ok i do this but if a want to reload my cahe maps into APM megaplanner, if i don't have internet connection how i can do that

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DeveloperPermalink Reply by Michael Oborne on April 11, 2012 at 2:45am

it does that automaticly.

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Permalink Reply by Sonia Kouassi Eba Kaudjhis on April 13, 2012 at 7:28pm

we have a big problem with our ardupilot megaplanner. only 2 servo channels outputs works ( servo 2 and /) we think that the problem comes from microcontroller do you think it is beeter to replace with anoter ardupilot mega ? please give me your inputs 

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DeveloperPermalink Reply by Michael Oborne on April 13, 2012 at 8:57pm

i think you would put your question on the ardupilot tech forum. depending on your hardware version it would be a mux issue, or something else.

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Permalink Reply by Sonia Kouassi Eba Kaudjhis on April 13, 2012 at 9:19pm

ok thanks

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Permalink Reply by Dan Ho on July 1, 2012 at 3:44pm

Michael,

Does Mission Planner first look for a live internet connection before looking for cached maps so that cached maps have a lower priority?  Or do you need to delete the cache?  Even if you don't need to delete the cached maps, how would you do so if you wanted to?

Thanks

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DeveloperPermalink Reply by Michael Oborne on July 1, 2012 at 3:52pm

to delete the cache, delete the gmapcache directory in the planner directory. the planner will recreate it.

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Permalink Reply by Dan Ho on July 1, 2012 at 3:54pm

Thanks so much!

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Permalink Reply by Dan Ho on July 8, 2012 at 9:45pm

Michael,

If you want to cache maps somewhere else, such as on an external drive, is there an easy way to tell MP the path?

 

Thanks, Dan

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DeveloperPermalink Reply by Michael Oborne on July 9, 2012 at 6:10pm

jusy copy the gmapcache directory between the pc's, currently you cannot move it

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Permalink Reply by Gordon on July 9, 2012 at 7:15pm

Michael,

I want to prefetch a very large are up to zoom level 18, and then some time later fetch a smaller subset of that area up to max zoom. Does MP replace what was already there or just fill in the gaps in the higher zoom levels?

Also, if I keep adding areas I don't already have, will the cache just keep growing infinitely or will MP reach a limit at some point? Or would it be better to keep separate cache folders for different locations and swap in the one I need at the time?

Thanks

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