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Light Arcs

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  • R Online
    Rich O Brien Moderator
    last edited by 29 Sept 2011, 22:38

    Messin' around with Thea emitter settings and some primitives. Weird isn't it?

    http://www.dropmocks.com/iaaYN

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

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    • S Offline
      SketchUpNoobie
      last edited by 29 Sept 2011, 23:22

      Nice.

      They'd make a cool clock . . . πŸ˜‰

      --

      SketchUpNoobie: the complete noob in all things SketchUp.

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      • S Offline
        Slimdog
        last edited by 29 Sept 2011, 23:48

        Not sure whats weird about it but I like what I see.

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        • B Offline
          boofredlay
          last edited by 30 Sept 2011, 00:17

          Is someone getting ready for Christmas? πŸ˜†

          http://www.coroflot.com/boofredlay

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          • R Online
            Rich O Brien Moderator
            last edited by 30 Sept 2011, 00:19

            @unknownuser said:

            Is someone getting ready for Christmas? πŸ˜†

            Yeah, she'll have me jumping thru hoops so I'll need those steel balls πŸ˜‰

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

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            • E Offline
              Ecuadorian
              last edited by 30 Sept 2011, 04:36

              Looks nice, Rich.

              In reality, the center of each tube would be so overexposed that it would tend to look white, as it is not a surface that glows, but a volume:
              Make-your-glow-sticks-SUPER-Bright.jpg
              Looks like a "render this" challenge...

              -Miguel Lescano
              Subscribe to my house plans YouTube channel! (30K+ subs)

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              • N Offline
                notareal
                last edited by 2 Oct 2011, 16:21

                @ecuadorian said:

                Looks nice, Rich.

                In reality, the center of each tube would be so overexposed that it would tend to look white, as it is not a surface that glows, but a volume:
                [attachment=2:3j8ihn9v]<!-- ia2 -->Make-your-glow-sticks-SUPER-Bright.jpg<!-- ia2 -->[/attachment:3j8ihn9v]
                Looks like a "render this" challenge...

                Like this?


                GlowStick.png


                NeonGlow.mat.pack.zip

                Welcome to try [Thea Render](http://www.thearender.com/), Thea support | [kerkythea.net](http://www.kerkythea.net/) -team member

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                • R Online
                  Rich O Brien Moderator
                  last edited by 3 Oct 2011, 14:02

                  Very interesting material. I must admit emitters, fresnel etc are still something I need to invest time in understanding.
                  Here, I think the emitter values are too low... πŸ˜’

                  http://k.minus.com/joMMMRLfRDb2w.jpg

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

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                  • N Offline
                    notareal
                    last edited by 3 Oct 2011, 14:44

                    You can also play with darkroom burn value... set larger value and highlights will "burn" towards white (same that happens with low dynamic range cameras).

                    Welcome to try [Thea Render](http://www.thearender.com/), Thea support | [kerkythea.net](http://www.kerkythea.net/) -team member

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                    • S Offline
                      solo
                      last edited by 3 Oct 2011, 14:52

                      Having fun? πŸ’š

                      Try playing with the radial glare in Thea's post render settings, it will give a soft glow effect.

                      http://www.solos-art.com

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

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                      • R Online
                        Rich O Brien Moderator
                        last edited by 3 Oct 2011, 15:14

                        Wish I could but I closed Thea after rendering and I don't save .scn πŸ˜’

                        I love to know what some of the deeper options do but for now I lurk in their forums hoping to snag the odd nugget of advice.

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

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                        • Chris FullmerC Offline
                          Chris Fullmer
                          last edited by 3 Oct 2011, 15:42

                          Rich's images to me look like a "correct" exposure for the glowing arcs. The white centers only occurs when an image is over-exposed for the light source. Often this is desirable for night shooting where you want to correctly expose the scene. Doing so often over exposes the light source, thus making them look white.

                          So to me they look right. Perfectly exposed for the light emitter, not the scene around them. And maybe they are mild emitters, like a glow stick, instead of a neon bulb.

                          Have fun playing with it Rich. I love Thea, wish I got to use it more.

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

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                          • R Online
                            Rich O Brien Moderator
                            last edited by 3 Oct 2011, 16:40

                            Thanks Chris. Though the scene itself is pretty pointless it's Notareal's material that has helped me learn much more about Thea and emitters.

                            I could play with Thea all day if I had a better rig. This was an overnight render on my dual core laptop.. πŸ˜’

                            Now to see what Sigma is for πŸ˜•

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

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                            • N Offline
                              notareal
                              last edited by 3 Oct 2011, 17:14

                              @solo said:

                              Having fun? πŸ’š

                              Try playing with the radial glare in Thea's post render settings, it will give a soft glow effect.

                              Radial glare is indeed nice if you don't over do it. As it's been a post render effect on Thea, you can easily do multiple versions of image at the darkroom > history
                              Watch http://www.youtube.com/watch?v=jHskJbz1k2o&t=2m8s

                              Welcome to try [Thea Render](http://www.thearender.com/), Thea support | [kerkythea.net](http://www.kerkythea.net/) -team member

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                              • irwanwrI Offline
                                irwanwr
                                last edited by 8 Dec 2011, 14:24

                                is the material would also work for Kerkythea?

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                                • N Offline
                                  notareal
                                  last edited by 8 Dec 2011, 17:44

                                  @irwanwr said:

                                  is the material would also work for Kerkythea?

                                  Thea can only convert KT scenes when opening one (materials converted by some heuristic). Material systems are too different, so that all Thea features could be implemented in KT.
                                  Anyhow, you can still create similar material in KT, you need to use Fresnel ramp procedural as a emitter color. Use bit saturated color as reflectance 0 than reflectance 90.

                                  Welcome to try [Thea Render](http://www.thearender.com/), Thea support | [kerkythea.net](http://www.kerkythea.net/) -team member

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                                  • irwanwrI Offline
                                    irwanwr
                                    last edited by 8 Dec 2011, 19:22

                                    thank you for the info. i have to learn more about that material things in kerkythea.

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                                    • iichiversiiI Offline
                                      iichiversii
                                      last edited by 8 Dec 2011, 20:13

                                      Nice, this has given me an idea, an animated lightsaber, i could rip the ears off a Gundark, lol

                                      Bring on the Rain...

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