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Twilight Render - Challenge

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  • N Offline
    ntxdave
    last edited by 6 Mar 2016, 18:49

    @hvanessen said:

    and the one on a wooden floor

    I tried a of floor too but did not get it to work right either. Would you mind sharing you background info and the various settings?

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    • N Offline
      ntxdave
      last edited by 7 Mar 2016, 18:10

      Well - I finally made some progress.

      Here is latest effort:
      Silly Glass Sample

      Now off to go back to the original challenge and draw the glass (and maybe a bottle) with liquid content.

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      • R Offline
        Rich O Brien Moderator
        last edited by 7 Mar 2016, 20:51

        at bigmanwashes they certainly have some big ass glasses!

        Download the free D'oh Book for SketchUp πŸ“–

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        • N Offline
          ntxdave
          last edited by 7 Mar 2016, 21:19

          @rich o brien said:

          at bigmanwashes they certainly have some big ass glasses!

          Not big glasses, just small blowers ❗

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          • J Offline
            JGA
            last edited by 8 Mar 2016, 16:36

            Is your background just an HDR image, rather than a physical plane?

            Regards,
            JGA

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            • N Offline
              ntxdave
              last edited by 8 Mar 2016, 17:56

              @jga said:

              Is your background just an HDR image, rather than a physical plane?

              In this particular case, yes.

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              • N Offline
                ntxdave
                last edited by 9 Mar 2016, 00:21

                My latest endeavor.......
                WineGlass.jpg
                Still not exactly what I want but getting closer.

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                • P Offline
                  pilou
                  last edited by 9 Mar 2016, 00:28

                  It's a funny result! β˜€

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

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                  • N Offline
                    ntxdave
                    last edited by 9 Mar 2016, 01:26

                    @pilou said:

                    It's a funny result! β˜€

                    Yep, it sure is. 😲

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                    • T Offline
                      tuna1957
                      last edited by 14 Mar 2016, 04:19

                      Dave C. , Stumbled across your post today. Twilight user also and you peaked my curiosity. Never have done the
                      glass of wine business so figured why not. Built and textured my glass like Massimo shows ( thanks
                      for posting that Pilou ! ) .Below I've listed how I set things up.

                      Materials , Wine Glass - Snow , TW - glass / common
                      Top of wine - Indian Red 12% opacity , TW - glass / water
                      Side of wine - Fire Brick 12% opacity , TW - glass / water
                      Backdrop - Cool Grey #4 , TW - paint / eggshell

                      TW render preset - 08 Exterior Daytime Progressive

                      TW Sun Settings - Physical Sky , Brightness - .800 , Haze - 20% , Sun Strength - 3.0
                      Gave the sun a very light yellow color. all other settings left at default levels.

                      Let the render run for 100 passes. It took about 19 minutes. Probably as good as it will get with this setup. Need to
                      try some shots in an interior studio setup. Better chance of playing with lighting and use some other objects for
                      reflections and such. Good luck and just keep working with TW you'll get better with practice. Thanks for the kick to
                      do something a little different with SU & TW than I usually do. It was a nice change of pace.


                      wineglass render.jpg

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                      • H Offline
                        hvanessen
                        last edited by 14 Mar 2016, 04:49

                        Very good, andere cheers πŸ’š

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                        • N Offline
                          ntxdave
                          last edited by 14 Mar 2016, 15:46

                          Well, here is my latest try............
                          WineGlass-2.jpg
                          The wine does not really show up in the render but otherwise, it is acceptable.

                          I have done a bunch of tries and just do not seem to get it right. I have also attached the SU file if anyone wants to take a look at tell me how to adjust it more properly.


                          WineGlass-2.skp

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                          • S Offline
                            solo
                            last edited by 14 Mar 2016, 15:53

                            Dave, scale is important when trying to get accurate materials, the above is way too big, try reducing it to accurate size before rendering.

                            http://www.solos-art.com

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

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                            • N Offline
                              ntxdave
                              last edited by 16 Mar 2016, 00:43

                              @solo said:

                              Dave, scale is important when trying to get accurate materials, the above is way too big, try reducing it to accurate size before rendering.

                              I scaled the glass down to the correct size and rerendered using most of tuna1957's settings (not all).
                              WineGlass-2a.jpg
                              Still does not match what it seems like everyone else is able to do. Either I am expecting too much or I just do not get it. I am failing miserable at this challenge.

                              I am open to suggestions or if someone who has done this successfully would like to share your SU file (with Twilight settings) for me to study, I would really appreciate it. 😑

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                              • T Offline
                                tuna1957
                                last edited by 18 Mar 2016, 05:27

                                Dave, Take a deep breath and step away from the keyboard πŸ’š On a serious note try not to get to frustrated.
                                I'm no expert at this either. I remember having days I wanted to jab pencils in my head sitting at my keyboard trying
                                figure this stuff out. I've been messing about and tweaking settings and such. Posting another pic of a "rocks glass". Was going to tweak on your model but I'm still working in SU2015. If you'd like I'll post my rocks glass model so you can get in and check out how the materials and sun is set up.


                                rocks glass_Scene 2.jpg

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                                • O Offline
                                  olishea
                                  last edited by 18 Mar 2016, 10:18

                                  is your index of refraction too high Dave? It looks like extremely thick glass (even though we know it is not)

                                  keep going!! You'll nail it soon.

                                  oli

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                                  • N Offline
                                    ntxdave
                                    last edited by 18 Mar 2016, 16:08

                                    @tuna1957 - Thanks for your reply. Yes, I would like for you to share your model. I think I am missing something very basic but I do not know what it is.

                                    @olishea - Yes, the IOR setting for the glass was too high. I set it lower but I am still doing something very basic wrong.

                                    I have another question for anyone looking at this that uses Twilight. When I use the template to set the texture of the liquid in the glass, SketchUp reverses the faces of the liquid group. Is that supposed to happen?

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                                    • T Offline
                                      tuna1957
                                      last edited by 18 Mar 2016, 18:15

                                      Dave, I'll post the model next day or so. Haven't had the "faces" change when working in TW. I will say SU can get a little crazy with face orientation sometimes while I'm modeling. Never an issue when setting textures in TW ?

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                                      • A Offline
                                        alvis
                                        last edited by 18 Mar 2016, 19:29

                                        You can be studied in a model


                                        ready for TWrender.zip


                                        1.JPG

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                                        • N Offline
                                          ntxdave
                                          last edited by 18 Mar 2016, 22:19

                                          @Alvis - I really like this. My favorite is #4 (counting from the right). I downloaded your model and will try to understand it. I got an error because it is missing the background image. The background in your images does not match what I am seeing in SU but that is probably related to the error in not finding the background image.

                                          Now I would like to understand the differences in the settings between the 4 images you posted. The only way I got the wine to show up with any red in the glass (in my image - not yours) was to go to an external render and then I lost the wine color in the shadow.

                                          Just to let everyone know I have not completely given up, here is my latest attempt.
                                          WineGlass-e1.jpg

                                          OK - One big thing I learned in this was that I was not paying attention to the shadow settings in SU because I never use them in the work I do. That helped a lot. Still a lot of experimenting to get this far. What bothers me most is not necessarily that the image is not the greatest in the world but rather that I do not seem to be picking up on some of the elementary things needed to do good rendering.

                                          In another thread I did try some building renders with section cuts and hiding some walls but doing something like this wine glass is totally throwing me off. http://sketchucation.com/forums/viewtopic.php?f=15%26amp;t=64285

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