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    Render this: LCD screen (light emitting material)

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    • dermotcollD Offline
      dermotcoll
      last edited by

      Oli
      wish I had the time to try this but too busy working to attempt these challenges at the minute - making mental notes on the tips though!!!

      BTW how did you manage to get an AT&T signal all the way over there in Manchester lad!!! I thought o2 was the only service provider in the UK for iphones!!!!

      When you burn your arse - you gotta sit on the blisters!!

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      • olisheaO Offline
        olishea
        last edited by

        🤣 🤣 😍

        keep making mental notes mate you'll be shit hot in no time! 👍

        oli

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        • soloS Offline
          solo
          last edited by

          Oli, I used an Aluminum base, and tweaked it a little.

          http://www.solos-art.com

          If you see a toilet in your dreams do not use it.

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          • olisheaO Offline
            olishea
            last edited by

            cheers

            oli

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            • Al HartA Offline
              Al Hart
              last edited by

              @solo said:

              Al Hart has a render tip floating around regarding back lighting, I thought we could expand on that slightly and have a challenge to render an IPhone, with an LCD screen.

              There are a lot of great iPhone renders here in this thread and a lot of good lighting effects.

              The original tip, though, was about using a non-light emitting, self-glow, material instead for the iPhone. This compromise will never produce as good a rendering as the actual illuminated iPhones, but it the phone itself is just an accessory, rather than the main object of the rendering, then it may speed up the rendering process by not including additional light sources.

              Here are a couple of iPhones on a table - one is on and one is off.
              (Their are no light sources in the phone - just a material marked as self illuminating)

              iphones.jpg

              Al Hart

              http:wiki.renderplus.comimageseefRender_plus_colored30x30%29.PNG
              IRender nXt from Render Plus

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              • FrederikF Offline
                Frederik
                last edited by

                @al hart said:

                Here are a couple of iPhones on a table - one is on and one is off.
                (Their are no light sources in the phone - just a material marked as self illuminating)

                Although I can see there's a difference between the two phones, I can't tell which one is "on" and which one of them is "off"... 😐

                @solo said:

                I'd suggest a dark environment and maybe posing the phone in a way that the light can reflect on a surface

                Cheers
                Kim Frederik

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                • Al HartA Offline
                  Al Hart
                  last edited by

                  @frederik said:

                  @al hart said:

                  Although I can see there's a difference between the two phones, I can't tell which one is "on" and which one of them is "off"... 😐

                  It's a little tricky to make the image look lit-up, (I am trying to avoid putting actual lights behind it.)

                  One idea is to manipulate the original image, so that it looks more "lit-up" in the first place. I suppose the photo-shop experts could do this easily. It will be more tricky for a "Paint" novice like myself.

                  The other is to play with the "self glow" to increase the brightness of the image, without starting to make the black parts look lit up as well.

                  I'll see what I can do.

                  (Original image)
                  iphone-screen1.jpg

                  Al Hart

                  http:wiki.renderplus.comimageseefRender_plus_colored30x30%29.PNG
                  IRender nXt from Render Plus

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                  • olisheaO Offline
                    olishea
                    last edited by

                    great render escapeartist 😄

                    oli

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                    • EarthMoverE Offline
                      EarthMover
                      last edited by

                      @al hart said:

                      There are a lot of great iPhone renders here in this thread and a lot of good lighting effects.

                      The original tip, though, was about using a non-light emitting, self-glow, material instead for the iPhone.

                      Honestly, I don't see the point. What really is to gain about trying a less effective way to achieve a desired result. I hate to say it, but it feels like there is an ulterior motive behind the render tip to draw attention to a feature of a developer's app. IMO, the light emitting textures have proven to be a more realistic result by looking at the posted renders.

                      3D Artist at Clearstory 3D Imaging
                      Guide Tool at Winning With Sketchup
                      Content Creator at Skapeup

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                      • jeff hammondJ Offline
                        jeff hammond
                        last edited by

                        @al hart said:

                        Here are a couple of iPhones on a table - one is on and one is off.

                        i dunno, when my iphone is off, it's just a black screen.

                        dotdotdot

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                        • EscapeArtistE Offline
                          EscapeArtist
                          last edited by

                          Not sure what the distinction is that you are trying to make. In Kerkythea, the texture can be applied to the radiance (edit material > self illumination > and select bitmap and use the screen texture) function and the texture becomes "self illuminating", it is not a backlit texture.

                          Here is a completely dark scene with only the screen applied to one surface, self illuminated:

                          screen.jpg

                          Or am I missing completely what you are trying to get at? Are you trying to achieve a similar effect, without applying self illumination of this type?

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                          • Al HartA Offline
                            Al Hart
                            last edited by

                            @unknownuser said:

                            i dunno, when my iphone is off, it's just a black screen.

                            Oops - I guess U need to buy one.

                            But - does it have a lit and non-lit mode?

                            Al Hart

                            http:wiki.renderplus.comimageseefRender_plus_colored30x30%29.PNG
                            IRender nXt from Render Plus

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                            • Al HartA Offline
                              Al Hart
                              last edited by

                              @escapeartist said:

                              Or am I missing completely what you are trying to get at? Are you trying to achieve a similar effect, without applying self illumination of this type?

                              I think what you showed in your rendering is just what I am talking about. The ability to make something look illuminated, without using or adding any actual light sources to the scene.

                              @unknownuser said:

                              New light options including projector lights and manual inputs of light intensities for self luminating sources.

                              I presume that in the image you showed, we see a reflection of the lit iPhone, but it is not actually a light source??

                              Al Hart

                              http:wiki.renderplus.comimageseefRender_plus_colored30x30%29.PNG
                              IRender nXt from Render Plus

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                              • jeff hammondJ Offline
                                jeff hammond
                                last edited by

                                @al hart said:

                                @unknownuser said:

                                i dunno, when my iphone is off, it's just a black screen.

                                Oops - I guess U need to buy one.

                                But - does it have a lit and non-lit mode?

                                no, it's just like a standard computer monitor.. on or off and that's it

                                http://obsdesign.freznell.com/wp-content/uploads/2008/11/iphone-off.jpg

                                dotdotdot

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                                • olisheaO Offline
                                  olishea
                                  last edited by

                                  al: nobody said you cant make it an emitter.....there are many ways of doing this but its the most realistic way of achieving the result. you cant really make something look illuminated without showing its effect on neighbouring surfaces/particles (air/dust etc). correct me if i'm wrong. you are basically trying to make a texture look brighter which isn't convincing.

                                  why are you trying to avoid putting lights behind it? this is largely how screens are illuminated in real life. like a large emitter......again correct me if im wrong...but saturating and brightening a texture wont make it look illuminated.

                                  oli

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                                  • EscapeArtistE Offline
                                    EscapeArtist
                                    last edited by

                                    @al hart said:

                                    I presume that in the image you showed, we see a reflection of the lit iPhone, but it is not actually a light source??

                                    The texture itself is the source of light, there are no other lights whatsoever in the scene. The reflection on the surface below the screen is actually reflected light off of the ground plane. Kerkthea will create light based on the color of the image used - black, no light; green, green light, etc... Kerkythea does not do "light linking" (yet), where light can be shone on one object of the scene to make it brighter but not affect any other objects. Other render engines can do this though.

                                    One could put lights behind a texture, but I couldn't imagine the difficulty of getting nice, even light out of a large surface by arranging light sources behind it. It would be more involved setup in the render engine as well, you'd have to do something like a multi-layered texture with transparency mapping and translucency set up for the colors.

                                    Another example, this time the blacks are not completely black so they do emit some light. A quick "plasma TV".
                                    testscr.jpg

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                                    • U Offline
                                      Ultimatez 32
                                      last edited by

                                      twilight easy 09, 24 minutes
                                      phone.jpg
                                      planning to buy the real version soon

                                      Windows 7 64-bit, Intel Core i3 M350 @2.27GHz, nVidia GEFORCE 310M 512Mb with CUDA, 4gb RAM

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                                      • W Offline
                                        weizxwilliam
                                        last edited by

                                        Mine first try ;D


                                        iphonepic1.png

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                                        • R Offline
                                          richcat
                                          last edited by

                                          Just got a few minutes - eventually - to give this challenge a go.


                                          iphone1.jpg


                                          iphone2.jpg

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                                          • 2 Offline
                                            21D
                                            last edited by

                                            My quick try,
                                            exported to MODO 401 for rendering
                                            Modo Rendered

                                            "I prefer drawing to talking. Drawing is faster, and leaves less room for lies."
                                            Le Corbusier

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