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    Organic modeling from photos?

    Scheduled Pinned Locked Moved Organic Modelling
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    • pilouP Offline
      pilou
      last edited by

      Photofly πŸ˜‰ (it's free)
      [flash=560,349:1n313mio]http://www.youtube.com/v/8YNrQA6eofI?version=3&amp[/flash:1n313mio]

      Frenchy Pilou
      Is beautiful that please without concept!
      My Little site :)

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      • A Offline
        Aerilius
        last edited by

        Salut Pilou!
        I will add my review of Photofly to this very very old thread:
        http://forums.sketchucation.com/viewtopic.php?f=169&t=37848&p=334675#p334675
        I would like to have drone for taking aerial photos of the original subject of my first post πŸ˜‰

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        • B Offline
          bjornkn
          last edited by

          @aerilius said:

          I would like to have drone for taking aerial photos of the original subject of my first post πŸ˜‰

          You could get a long way with a camera pole too πŸ˜„

          Out of curiosity - is that rock model on GE now? If it is - where is it exactly?
          Looks like a very strange formation.

          And did you try PhotoScan too?

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          • M Offline
            mac1
            last edited by

            Not my area but maybe worth a read ❓ $$ http://www.brainstormllc.com/ but has 30 trial

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            • B Offline
              bjornkn
              last edited by

              Photosketch looks nice, but it is advertised as a tool for creating lowpoly buildings inside SketchUp.
              Just like SU's own PhotoMatch, but with some automation, like undistorted photos, point clouds and higher precision?

              What dense point clouds does is using brute force, just like when using DEMs for generating landscapes. You really often need millions of polys to get a well defined model with crisp details/creases. It often ends up looking like a metaball/blob object.
              The beauty/power of PhotoScan is that it gives you the tools to model from photos fully controlled, and even make very dense automatically surface-fitted meshes like with point clouds, if that's what you want.
              And it can be used with any object, buildings, complex/concave organic forms, terrain - even with glass and shiny objects (which never works with point cloud mesh generators).
              I really doubt that any of the point cloud generators would have any chance to make an automatic model of something like this sharp edged, complicated/overlapping stainless steel sculpture?


              Volare.jpg

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              • pilouP Offline
                pilou
                last edited by

                @unknownuser said:

                I would like to have drone for taking aerial photos

                It's very easy with a kite! 😎

                From this page

                http://kap.online.fr/images/rig1.jpg

                http://kap.online.fr/images/rig2.jpg

                http://kap.online.fr/images/radio.jpg

                http://kap.online.fr/images/eclipse1.jpg

                Frenchy Pilou
                Is beautiful that please without concept!
                My Little site :)

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                • pilouP Offline
                  pilou
                  last edited by

                  I have forgotten PhotoSculpt πŸ˜‰ (just 2 images ! 😎

                  Frenchy Pilou
                  Is beautiful that please without concept!
                  My Little site :)

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                  • B Offline
                    bjornkn
                    last edited by

                    Kites (aka KAP) are nice if there's wind and you're not close to people/buildings/trees/power lines.
                    Balloons, blimps, RC helis etc are nice if there are no wind, people/buildings etc
                    Poles are nice if you want closeups from lower altitudes than possible with a kite, and works fine anywhere, regardless of wind, people/buildings etc.
                    Besides, it requires a lot less rigging/setup and is a lot cheaper πŸ˜„
                    A sturdy telescopic 7m pole may cost you $100?

                    BTW, PhotoSculpt seems to have a very limited use for modeling, as it can only use 2 photos, and only makes a textured 3D relief.

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                    • pilouP Offline
                      pilou
                      last edited by

                      @unknownuser said:

                      and only makes a textured 3D relief.

                      Yes but as it's a 3d file, just make the turn of your object πŸ˜‰
                      So maybe 12 photos and past the result πŸ˜‰

                      Frenchy Pilou
                      Is beautiful that please without concept!
                      My Little site :)

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                      • B Offline
                        bjornkn
                        last edited by

                        @unknownuser said:

                        @unknownuser said:

                        and only makes a textured 3D relief.

                        Yes but as it's a 3d file, just make the turn of your object πŸ˜‰
                        So maybe 12 photos and past the result πŸ˜‰

                        Let's see an example? πŸ˜‰

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                        • pilouP Offline
                          pilou
                          last edited by

                          I never try πŸ˜‰
                          just tricky fun images β˜€ (from Chaoscope)

                          http://forum.zbrush.fr/index.php?action=dlattach;topic=5689.0;attach=11516;image

                          But I believe that the autor (a French guy πŸ˜‰ should make a new version with this option πŸ˜‰

                          Frenchy Pilou
                          Is beautiful that please without concept!
                          My Little site :)

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                          • B Offline
                            bjornkn
                            last edited by

                            Well, they look pretty flat to me πŸ˜‰

                            I believe it doesn't really work with 3D coordinates, but more like 2 1/2D?
                            According to the info it makes a mesh with 1pixel = 1 face, and then adds depth info to that pixel. WHich means that a 6Mpx image will make a 6Mpoly mesh (or even 12 million triangles?)
                            Making 6 of those around the object (what about from above and below?) and trying to use SU to weld those 6x6 million faces (36 millions!) together won't be a fun job πŸ˜‰
                            It looks like it could work fine for making normal and bump maps though πŸ˜„

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                            • B Offline
                              bjornkn
                              last edited by

                              @unknownuser said:

                              No no, it's a real 3D file x,y,z, format export OBJ

                              Yes, but the x and z are probably in an evenly spaced grid, one per pixel, if there's one vertex (face) per pixel. Then you can't have more than one vertex per xz position (assuming y is the depth), and you will get no details at the top and bottom. That is just like a DEM, where you have a xy grid where each pixel/face will have an altitude z value, making it impossible to get overhangs etc, and with very little, and streaked, details on very steep walls/slopes.

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                              • pilouP Offline
                                pilou
                                last edited by

                                No no, it's a real 3D file x,y,z, format export OBJ
                                and you can increase, decrease decimate numbers of polys
                                as you want inside the prog before the export! πŸ€“


                                photosculpt.jpg

                                Frenchy Pilou
                                Is beautiful that please without concept!
                                My Little site :)

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                                • pilouP Offline
                                  pilou
                                  last edited by

                                  You can obtain the details by some bump or displacement as you have
                                  the new calculated texture ! πŸ˜‰
                                  Here I have decreased twice from the maximum
                                  photosculpt.jpg

                                  Frenchy Pilou
                                  Is beautiful that please without concept!
                                  My Little site :)

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