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P3 mapping

Discussion in 'Pro/Adv Discussion' started by Meta4, Jun 18, 2015.

  1. Meta4

    Meta4 Moderator
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    I had to produce some mapping for a site today.
    I ended up with 18 images to stitch and the P3 is so sweet for this kind of task
    Here's a much shrunken preliminary image from today's effort.
    [​IMG]
     
  2. nikon.

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    Nice! Which software do you use for stitching?
     
  3. Bebeone

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    Nice! I have the same question as Nikon. This makes me thing what are another possibilities of using our phantoms, such as 3d mapping and so on. If sombody here is doing an interesting thing with phantom, please share!
     
  4. powerlord

    powerlord Guest

    I've used pt gui pro before for mapping with good results
     
  5. nikon.

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    I have PTGui also for my 'normal' photography. I will test it this week with my P3Pro. How much overlapping do you use? 30%?

    And what lens profile settings do you use? 20mm and focus length?
     
  6. Meta4

    Meta4 Moderator
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    I use either Photoshop or Microsoft ICE (free !!!) for stitching
    Not sure what overlap is ... I just judge it by eye using the grid on the FPV screen.
    I'd guess maybe 30%?
    That's only a quick and dirty (and much shrunken) image.
    The original is >11000 x 6000 pixels
    No profile used .. stitched from original jpgs (complete with the blot at the bottom of the frame since firmware update) with no tweaking yet.
     
  7. Stephan

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    PTGUI IS AWESOME, I use it a lot. That said as far as proper orthorectified imagery is concerned it will be unacceptable, even the slightest deviations result in it being useless. There is an open source mapping software which is better suited for this kind of thing. 4dpixmapper (when the SDK is sorted out) with some open source GIS software will work. I will discuss my workflow when I get a chance later.
     
    #7 Stephan, Jun 18, 2015
    Last edited: Jun 18, 2015
  8. Meta4

    Meta4 Moderator
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    Here's the flight details
    [​IMG]
     
  9. Stephan

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    nice! What speed were you flying? I think at full speed it is a pic every 2ft?
     
  10. Meta4

    Meta4 Moderator
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    I was flying from site to site so I could gauge the overlap coverage visually and stopping to shoot at each site.
     
  11. nikon.

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    Nice nice ;)! I'll try this later this week. :D
    Just received my second battery and ordered a third.
     
  12. jwce21

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    I'm interested in doing some map stitching like this, as well. Has anyone had success matching their P3 with Pix4D? I can't get past the 'connect to Wifi' step in the app, and wondering if this means it doesn't actually sync with a P3. Would welcome any other advice for a mapping newb, as well. Cheers!
     
  13. Meta4

    Meta4 Moderator
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    You will have to be patient and wait for them to release a version for the P3.
    There is no wifi on the P3 .. that message if for the P2 series which does have wifi.
     
  14. jwce21

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    Thanks Meta4! Looks like this thread was about a month old. Have you iterated on your mapping solution? Would love to learn more. Have an ambition to start stitching together a modern 'Lewis and Clark' map.