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Cropping the propellers out of 4K gopro

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  • #1

    Cropping the propellers out of 4K gopro

    Phantom Quadcopter GoPro video shot in 4k (so that stills can also be had) often has whirlling propellers in the top 1/4 of the 3840x2160 frame.
    I wish to crop those out and export to 1920x1080
    Was hoping I'd find a crop tool similar to photoshop but layouter offers it's own method which I find difficult to figure out.
    Will someone please point me to a resource I can study to nail this please
    tks
    Bruce
    Bolex, Beaulieu, ArriBL, Marconi Mark IV, GE pe 250, Polaroid Land Camera, Pentax M, Nikonos, Sony AVC-3400, Sony DVR460 Fuji 7000, Fugi s602, HDR-HC1, HDR-FX7, HDR CX550v, Cx 130, GoPro, Contour, Kodak PlaySport, Sony RX100, Sony HX300, DJI Phantom, HDR-MV1, FDR-AX100, A5100, Livewedge Vision Mixer, X9 hdmi in H.265 recorder
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    • #2
      Hi Bruce.

      If you use layouter fairly much in the same way as you would zoom/blow in, in PhotoShop, grab the corner and zoom until you are happy then reframe for positioning. Just remember though, if you are in a 4K timeline and do any amount of zooming you will be losing resolution if the project and output are set for 4K. If however you are using 4K footage in a 1080 project, you can zoom and move by a huge amount as long as you don't go beyond the 1080 limit within the 4K source, and you will have great resolution. Just stay within the 2D parameters of layouter for what you want.

      There really is no other way, as you do need to apply a certain amount of manual control to get this right. You also have the option of creating key frames if you would like to track your zoom and movement.

      Also, and please don't take this the wrong way, but. The use of the word crop would really imply a change in your video screen aspect ratio. The method you are talking about is really known as reframing or pan/scan/zoom.

      Hope this helps.

      Cheers,
      Dave.

      "There's only one thing more powerful than knowledge. The free sharing of it"

      If you don't know the difference between Azimuth and Asimov, then either your tapes sound bad and your Robot is very dangerous. Kill all humans...... Or your tape deck won't harm a human, and your Robot's tracking and stereo imagining is spot on.

      Is your Robot three laws safe?

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        • #3
          tks
          I drop my 4k on a 1080 timeline
          open layouter
          Crop the top down a bit to get rid of the props
          just eyeball the side crops? to maintain 16:9
          or is there some method whilst cropping the top which maintains aspect ?
          Click out of Crop into transform and drag the cropped frame back up to 1080
          Seems to work except for the guessing the side crops
          Bolex, Beaulieu, ArriBL, Marconi Mark IV, GE pe 250, Polaroid Land Camera, Pentax M, Nikonos, Sony AVC-3400, Sony DVR460 Fuji 7000, Fugi s602, HDR-HC1, HDR-FX7, HDR CX550v, Cx 130, GoPro, Contour, Kodak PlaySport, Sony RX100, Sony HX300, DJI Phantom, HDR-MV1, FDR-AX100, A5100, Livewedge Vision Mixer, X9 hdmi in H.265 recorder

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            • #4
              Sorry, I may be getting this the wrong way. Are you wanting to change the shape/geometry of your original 4K frame but within a 1080 project.

              "There's only one thing more powerful than knowledge. The free sharing of it"

              If you don't know the difference between Azimuth and Asimov, then either your tapes sound bad and your Robot is very dangerous. Kill all humans...... Or your tape deck won't harm a human, and your Robot's tracking and stereo imagining is spot on.

              Is your Robot three laws safe?

                Comment

                • #5
                  Bruce
                  As Dave said forget any cropping
                  Change the size (Stretch) in layouter and then re position the clip in layouter
                  Very Simple
                  Barry
                  Win 10HP, EDIUS WG9.4, HD Spark, Boris RED 5, VMW6, Authorworks 6, Bluff Titler, VisTitler 2.8, NEAT 3/4, Mercalli 2/4, Vitascene, Izotope RX6 Plugin, NewBlue, Trend Micro AV
                  GB GA-X58A-UD3R MB, i7 990X@4G, 12G 1600mhz Mem, Samsung EVO-250G SSD, 3x2T RAID, GTX 970W OC, 2x24 inch LG Monitors
                  Canon XH-A1/ Canon HF-G30, GoPro Hero3 Black, Edit @1920 50p HQ preset
                  https://vimeo.com/user2157719/videos
                  Laptop ASUS G752VT-GC060T Win 10HP, Edius WG8.53 Samsung M2 SSD 256G+1Tb HD,

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                    • #6
                      ahhhhh....stretch..... right !
                      Bolex, Beaulieu, ArriBL, Marconi Mark IV, GE pe 250, Polaroid Land Camera, Pentax M, Nikonos, Sony AVC-3400, Sony DVR460 Fuji 7000, Fugi s602, HDR-HC1, HDR-FX7, HDR CX550v, Cx 130, GoPro, Contour, Kodak PlaySport, Sony RX100, Sony HX300, DJI Phantom, HDR-MV1, FDR-AX100, A5100, Livewedge Vision Mixer, X9 hdmi in H.265 recorder

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                        • #7
                          the 15fps gopro 4k needs to be runn thru respeedr
                          Should that bedone before or after the stretch?
                          Bolex, Beaulieu, ArriBL, Marconi Mark IV, GE pe 250, Polaroid Land Camera, Pentax M, Nikonos, Sony AVC-3400, Sony DVR460 Fuji 7000, Fugi s602, HDR-HC1, HDR-FX7, HDR CX550v, Cx 130, GoPro, Contour, Kodak PlaySport, Sony RX100, Sony HX300, DJI Phantom, HDR-MV1, FDR-AX100, A5100, Livewedge Vision Mixer, X9 hdmi in H.265 recorder

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