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    Match Photo and axis

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    • BoxB Offline
      Box
      last edited by

      Do us all a favour and learn how to use the basics of the software.
      It isn't possible to explain to you how to do what you want because you don't understand what you are doing.
      Learn from the many tutorials, draw some simple models then draw some more difficult ones then slightly more complex again etc etc
      Get a grip of the tools you are using and stop bashing away at it blindly.
      People will gladly help when they see that it is possible to help.

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      • beginnerB Offline
        beginner
        last edited by

        This is what I could get out of your photo.
        Don't draw the individual stones...
        Do few Le Corbusier's buildings to be more familiar with SketchUp.

        PS. Le Corbusier would allow 182.8cm per person πŸ˜†


        20120904-SUMatchPhoto4.png


        bannerindex.jpg


        moat_beginner2.skp

        Regards, SU 'beginner'

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        • R Offline
          rumcajs
          last edited by

          Beginner:
          This is not a critique, because I am glad you try to help me and I see you spend some time with the image for me, so I am thankful, but I have a note to the scale.

          Yesterday I checked images with people on stairs and today I did new calculations and the result is 4 persons 165cm high (from surface of water up to surface of floor of bridge. I also did some piece of work, even if people can call it crappy, I tried to do more in details, and I see that the my work is in better scale to real.

          So here is your image:

          http://i46.tinypic.com/331q3wx.png

          I moved the persons towards because of the people walking up the stairs:

          http://www.roberts-1.com/t/b09/chm/i/27/800x/058-Kerry+Vicky+Sharon_climbing_stairs_by_moat_800x600.jpg

          http://i46.tinypic.com/2ch9xkg.png

          Again, I found the image this morning, so could not show you yesterday.

          Thanks for your work.

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          • GaieusG Offline
            Gaieus
            last edited by

            I think you largely overlooked my post above explaining why this PhotoMatch session can be successful:

            Subject: Match Photo and axis

            @gaieus said:

            This is not a good photo to use with PhotoMatch. There are hardly any distinctly visible vertical (and few horizontal) lines for reference, the photo was taken almost frontally of that bridge face (instead of from a corner - which I know would be hard here) finally you do not know if it was cropped therefore it's not trustworthy at all.

            Generally speaking: when you do a PhotoMatch, it will not do it to correct scale at all. You need to scale your structure after you made the PM and projected the photos - so do not even expect it to come out correctly first. All it does is adjust the camera angle and FOV to match to that of the photo. Moreover, it's "best" for those cubic, "blocky" buildings you can find in newer districts of towns but in older quarters, where hardly any building has right angle corners, it is practically useless.

            Gai...

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            • R Offline
              rumcajs
              last edited by

              @gaieus said:

              I think you largely overlooked my post above explaining why this PhotoMatch session can be successful:

              Subject: Match Photo and axis

              Why did you write it? I had read the post. I think this photo can be used but I have two photos and I used the previous one, which contains more detail in better quality.

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              • TIGT Offline
                TIG Moderator
                last edited by

                The photos you presented have no clear vertical edges and few horizontal edges either.
                Therefore... how do YOU propose to set these axes in your modeling - at least to any degree of accuracy ?
                Gai gave some pointers, but you seem yo have your own preferred solutions πŸ˜•

                The actual 'scale' of the model whilst doing the initial bocking-out need not worry you too much initially... as everything would still be modeled "in proportion"... eventually you can scale everything to an acceptable size...

                TIG

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                • R Offline
                  rumcajs
                  last edited by

                  @tig said:

                  The actual 'scale' of the model whilst doing the initial bocking-out need not worry you too much initially...

                  Sorry, I don't understand this sentence.

                  I try to do the pylon in detailed way.

                  Beginner set the axis correctly, I just do this on my own and I did not succeed to do it in the image with whole bridge.

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                  • TIGT Offline
                    TIG Moderator
                    last edited by

                    When you make an object it is not critical that its exact size is correct as you make it [although it does make life easier, it's sometimes difficult to establish].
                    Provided that the internal parts of the object are all in proportion, then you can always scale the final result to have the dimension that is desired. πŸ˜•

                    TIG

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                    • R Offline
                      rumcajs
                      last edited by

                      Yes, it would be better to use less details, but I want to do it realistic.

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                      • beginnerB Offline
                        beginner
                        last edited by

                        Hi rumcajs,
                        You should learn to construct extremely low-poly models and subsequently do some amazing mapping or post-production.

                        Unfortunately, you do not learn all 'tricks' over few nights.
                        Most of us have spent years 'trying and failing' to be in a position to help others.
                        You have to find your ways of working through many hours spent on 3D modelling - it's worth it. πŸ‘

                        **Have look this:
                        http://forums.sketchucation.com/viewtopic.php?f=81&t=27028&p
                        http://forums.sketchucation.com/viewtopic.php?f=81&t=27030&p

                        and many, many more case studies on the forum.**

                        Regards, SU 'beginner'

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                        • R Offline
                          rumcajs
                          last edited by

                          Is it possible to Photo match photos from Google Street View?

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                          • R Offline
                            rumcajs
                            last edited by

                            As a proof that units and correct scale on the start of Match photo, I attach scaled beginner file. As I measured distances on GoogleEarth, so have almost exact data. This is almost the scale where the bridge should fit.

                            Measured Distance according GE photo (top down view) is 6734 cm, distance from first pylon base to bush. In my model I have 7025 and I scaled the beginners model to cca 68m.

                            http://i50.tinypic.com/1zvakp3.png

                            See the attachment how the scale model looks and "fits".


                            moat_beginner2_scaled.skp

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