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    Advice on image editing - photo & render

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    • TIGT Offline
      TIG Moderator
      last edited by

      V8 Pro has Photomatch that let's you do this AND render the image of the model and the photo if desired.
      Unfortunately you can't do reflections or artificial lighting directly within Sketchup, but many renderers include that possibility, but you would then need to apply your photo-image as textures to a box making the room.
      There are also tricks to make reflections within the SKP by making a component of the room and placing a flipped version of it behind any reflective surfaces, giving those surfaces some transparency so that the faked reflection look 'true'.
      I suggest you do a bit of searching through these forums as there are several topics about this type of thing...

      TIG

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      • M Offline
        MrMikeEsq
        last edited by

        Hmm interesting.
        Photomatch may be helpful for positioning the wardrobes in relation to the photo.
        The fake reflection technique though is no good, the image in the wardrobes needs to be as real as the photo of the rest of the room, so I'd need to use a second photo I think

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        • urgenU Offline
          urgen
          last edited by

          .... πŸ˜‰
          http://kevinkarsch.com/publications/sa11.html

          --pupil forever...------

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          • M Offline
            MrMikeEsq
            last edited by

            Fantastic link πŸ’š
            I'll start reading see if any of it is plausible for me πŸ˜›

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            • M Offline
              MrMikeEsq
              last edited by

              Wow, that software's amazing, I don't understand though, is it not available yet? Would be perfect..

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              • M Offline
                MrMikeEsq
                last edited by

                Sorry to not only necro a thread but triple post, but I'm going to have another stab at this.
                I'm currently downloading gimp to see if I could use it to get the desired effect.
                A co-worker of mine has a bespoke sliding wardrobe company and if the client wants he gets me to model their room with the wardrobes in place and render it. But I'm just imagining how much easier it all would be if I knew how to just render the wardrobes correctly and get them in the original photo...

                Anyone have ideas on how to get it done with gimp or something similar?
                Thanks
                Mike

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                • AdamBA Offline
                  AdamB
                  last edited by

                  <self-interest>

                  Well you could install LightUp (http://www.light-up.co.uk) that does artificial lighting + mirrors all inside SketchUp.
                  This is a screengrab from inside Sketchup:

                  http://i614.photobucket.com/albums/tt229/ElektraGlide/lightup_2011-08-18_1758.jpg

                  </self-interest>

                  Developer of LightUp Click for website

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                  • Chris FullmerC Offline
                    Chris Fullmer
                    last edited by

                    Mike, what you want to do is not absurd. IT might just take some work and a few tries. For those of us who use photoshop a lot, it all sounds perfectly normal what your describing.

                    I don't know what a 'sliding wardrobe' is though. But I know you could go into an empty room and take a photo. Then write all dimensions down, save all the camera settings such as lens length. Then make the same room in SketchUp and put the clothes racks in it, then render. Then just paste the clothes racks into the original photo.

                    The amount of glass/reflective surfaces will of course make things a little more tricky. But you could always take some props with you when you take the photos and put them where the clothes will go, and see where and how they reflect in real life. Then just try to match that as best as possible by hand in gimp.

                    Go for it.

                    If you don't want to take photos of the place, there are plenty of renderers out there that can do a great job rendering the entire store as well. Then the renderer will take care of reflections as well. Adam posted a great example above. Good luck,

                    Chris

                    Lately you've been tan, suspicious for the winter.
                    All my Plugins I've written

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                    • M Offline
                      MrMikeEsq
                      last edited by

                      Hey guys,
                      As a last resort I could go the fully rendered route, in which case I'll just use Podium.
                      However for the photographic route, the photo of the room I'll be editing wont be empty, as it'll be an in-use bedroom. Not a complete mess, but still. I'm just confused on how exactly to insert the render of wardrobes into it without it looking like just that! Also as for the reflections, the sliders are a lot like in this image:
                      http://i.ebayimg.com/08/!B)fjsPwCWk~$(KGrHqN,!isEv1+0C)7uBMNtTR5zZ!~~_3.JPG
                      Completely baffled on how to achieve that..would I take another photo and sort of "blend" it in? But if so I'm not sure of a decent workflow of knowing what photo to take, positioning etc...

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                      • Chris FullmerC Offline
                        Chris Fullmer
                        last edited by

                        Aha, I think I'm starting to catch on.

                        Inserting things into an existing image in photoshop is a skill that you will refine the more you do it. It is a matter of paying attention to a few key things. The basics are:

                        scale
                        perspective (vanishing lines)
                        color tone matching
                        shadows and shading
                        depth - behind/in front of other objects in photo

                        Do those things and its pretty easy and lots of fun. So go take a quick picture of a room. Then try to make a quick model of the wardrobe. See if you can get it to fit into the picture. Pay attention to everything above, then post it on here and you'll get some feedback.

                        Chris

                        Lately you've been tan, suspicious for the winter.
                        All my Plugins I've written

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                        • M Offline
                          MrMikeEsq
                          last edited by

                          Well I have gimp, but I get the feeling what I'm trying to do doesn't really required photoshop πŸ˜†
                          I have a picture of a room, and not a perfectly straight on one, which is good for working this out I guess!
                          Made a basic wardrobe shape, and for now just put a photo in front of it in sketchup for the reflections. not the correct reflections, just an image to try it.
                          I just downloaded fredoscale to see if I can get the rendered wardrobe to have the correct shape by morphing it into an angled shape that fits straight on.. let's see if this works..

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                          • Chris FullmerC Offline
                            Chris Fullmer
                            last edited by

                            If I were you, I would not morph the wardrobe.

                            You should place it in a basic room in SketchUp, then move the SketchUp camera around til it is in the same location as it was in the original photo. Nothing to perfect, just a close approximation. That will make it so that the wardrobe is angled about right to fit into the picture.

                            Then warp the wardrobe a little bit as needed in the photo, not in SketchUp.

                            Lately you've been tan, suspicious for the winter.
                            All my Plugins I've written

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                            • M Offline
                              MrMikeEsq
                              last edited by

                              Hmm okay I'll stick to that route.
                              Only problem now is reflections, don't know if there is a plausible way of doing this, due to having to see the backs of objects in front of the wardrobes..

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                              • Chris FullmerC Offline
                                Chris Fullmer
                                last edited by

                                Well, that is up to you. It will be tricky. You'll have to take picture of them if you really want to try to show them. Or fake them in somehow by hand.

                                Lately you've been tan, suspicious for the winter.
                                All my Plugins I've written

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                                • M Offline
                                  MrMikeEsq
                                  last edited by

                                  Yep, considering reflecting 3D objects that are as close to the real thing as I can get, may work considering the reflections arent crystal clear.

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                                  • M Offline
                                    MrMikeEsq
                                    last edited by

                                    I'm confident in putting the wardrobes in the right place now, and using 3d objects to do the awkward reflections (eg. something in the middle of the room)
                                    But the problem lies with the image behind the camera of the opposite end of the room. I'd like to use this to give a realistic overall reflection but it just isn't working right.. I can't get the image to span all of the wardrobes realistically (without stretching it out) and if for example on the wall to the side of the wardrobes theres a window, I have no idea how to simulate that at an angle 😞

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                                    • Chris FullmerC Offline
                                      Chris Fullmer
                                      last edited by

                                      Hmm, that is tricky. That's the kind of thing you could fake if you were showing to someone who is not familiar with the room. But if its for the person who sleeps in the room every night, its a bit tougher to fake stuff.

                                      But, if you are putting in a large mirrored wall where they have none, they do not know exactly what the reflection should look like. So just getting close should work.

                                      to get "close" I think you could stand where the wardrobe is planned to go and take a picture looking back towards the base photo. You will probably need a really wide lens - 18mm or so is my guess. I could be wrong though. If you have various lens options, I'd play around with them. And you will probably have to do some image editing on that image as well. It might need to be blended with the backsides of objects you have rendered or something. In other words, this will be an imperfect science.

                                      Lately you've been tan, suspicious for the winter.
                                      All my Plugins I've written

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