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Quick Comparison -Subd and Artisan

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  • E Offline
    ely862me
    last edited by 8 Jan 2016, 20:30

    I have fixed the geometry by removing the triangulation and by using the Quad face tools. I have also oriented each diagonal on the same direction, this helps a lot with Artisan too.
    Honestly I don't exactly know which of the functions works to fix it because I have tried for a couple of times all the convert from tris to quads including the sandbox option.


    -Subd_trial a.skp

    Elisei (sketchupper)


    Before no life was done on Earth it was THE LIFE ITSELF...GOD
    Come and See EliseiDesign

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    • C Offline
      cotty
      last edited by 8 Jan 2016, 20:59

      @cuttingedge: I can't reproduce your glass image, I've got the same topology with both plugins in this case...

      my SketchUp gallery

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      • T Offline
        thomthom
        last edited by 9 Jan 2016, 15:01

        @cuttingedge said:

        Here's also a screenshot. For the sake of investigating the mesh, the smoothing slide is on 0.
        Here, Subd shows triangulation, while artisan shows quads

        Yes, SUbD always create triangulated mesh for the sake of editing performance. Though they are created as QuadFace Tools quads - so pairs of triangles will be treated as a logical quad.
        Technically, even a native planar SketchUp quad will have two triangles - at least in terms of the GPU. It's just a matter of whether you expose the sub-triangles to the end user or not.

        Once you are done subdividing, you can convert the instance to a plain mesh (Context Menu > SUbD > Convert to Plain Mesh) and then use QuadFace Tools to remove the triangles from planar quads:

        2016-01-09_16h04_54.png

        Thomas Thomassen β€” SketchUp Monkey & Coding addict
        List of my plugins and link to the CookieWare fund

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        • T Offline
          thomthom
          last edited by 9 Jan 2016, 15:08

          @ely862me said:

          I have fixed the geometry by removing the triangulation and by using the Quad face tools. I have also oriented each diagonal on the same direction, this helps a lot with Artisan too.
          Honestly I don't exactly know which of the functions works to fix it because I have tried for a couple of times all the convert from tris to quads including the sandbox option.

          Making sure things are treated as QuadFace Tools quads is the key here - that two triangles share an edge that is soft+smooth and doesn't cast shadows. Then QFT and SUbD will thread them as one logical unit.

          (I took screenshots of your model to visualize the results after quadifying the mesh)


          2016-01-09_16h08_48.png


          2016-01-09_16h08_57.png

          Thomas Thomassen β€” SketchUp Monkey & Coding addict
          List of my plugins and link to the CookieWare fund

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          • C Offline
            cuttingedge
            last edited by 9 Jan 2016, 22:18

            @ely862me said:

            I have fixed the geometry by removing the triangulation and by using the Quad face tools. I have also oriented each diagonal on the same direction, this helps a lot with Artisan too.
            Honestly I don't exactly know which of the functions works to fix it because I have tried for a couple of times all the convert from tris to quads including the sandbox option.

            Thanks for this, I didnt know that both soft-ness and smooth-ness of the geometry has influence over the quality of the subdivisions.

            Artisan would give similar results to soft&smooth" and non-soft&smooth geometry.

            Now Im learning...

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            • C Offline
              cotty
              last edited by 10 Jan 2016, 08:59

              @cuttingedge said:

              Thanks for this, I didnt know that both soft-ness and smooth-ness of the geometry has influence over the quality of the subdivisions.

              SubD (catmull clark subdivision) works best for quads, and quads in SU are quasi-defined by Thomthom this way "two triangles share an edge that is soft+smooth and doesn't cast shadows".

              Artisan uses another subdivision algorithm and don't need quads.

              my SketchUp gallery

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              • C Offline
                cotty
                last edited by 10 Jan 2016, 09:31

                SCF_Cotty_subd15.png

                my SketchUp gallery

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                • W Offline
                  Whaat
                  last edited by 19 Jan 2016, 18:11

                  @cuttingedge said:

                  plus it retains the material and UV info (haven’t fully tried this though). You will lose all materials in artisan once subdivided.

                  Just want to clarify a common misconception about Artisan. You CAN retain materials and UVs in Artisan, you just need to enable that feature in 'Settings'. It is not enabled by default because it results in a performance hit.

                  SketchUp Plugins for Professionals

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                  • henyaoiH Offline
                    henyaoi
                    last edited by 23 Jan 2016, 20:05

                    Hi, everybody. Here's my example with Artisan, texture and UV is retained.


                    art.png

                    SketchUp Service and Tutoring http://monoloki.com

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                    • alvisA Offline
                      alvis
                      last edited by 23 Jan 2016, 22:15

                      OK. This is my little experience after several hours. Excellent tool. Sorry for the last image


                      pige.JPG

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                      • Rich O BrienR Offline
                        Rich O Brien Moderator
                        last edited by 23 Jan 2016, 23:02

                        Physically plausible

                        Sent from my iPhone using Tapatalk

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

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                        • alvisA Offline
                          alvis
                          last edited by 23 Jan 2016, 23:04

                          @rich o brien said:

                          Physically plausible

                          Sent from my iPhone using Tapatalk

                          😎

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                          • pbacotP Offline
                            pbacot
                            last edited by 23 Jan 2016, 23:14

                            One grand pig! Very fat. Reminds me, I think something from my childhood. A piggy bank that wagged its tail up and down when the coin was put in.

                            MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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                            • alvisA Offline
                              alvis
                              last edited by 23 Jan 2016, 23:17

                              @pbacot said:

                              One grand pig! Very fat. Reminds me, I think something from my childhood. A piggy bank that wagged its tail up and down when the coin was put in.

                              I had to post to another thread. SUbD examples and models.

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                              • T Offline
                                thomthom
                                last edited by 24 Jan 2016, 04:21

                                Love that pig! πŸ˜„

                                Thomas Thomassen β€” SketchUp Monkey & Coding addict
                                List of my plugins and link to the CookieWare fund

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                                • HornOxxH Offline
                                  HornOxx
                                  last edited by 24 Jan 2016, 07:45

                                  @henyaoi said:

                                  Hi, everybody. Here's my example with Artisan, texture and UV is retained.

                                  Hi, as shown below, IΒ΄ve never managed to keep any texture by using Artisan.
                                  What is the trick to achieve your result?


                                  S v A 01.jpg

                                  never trust a skinny cook

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                                  • C Offline
                                    cotty
                                    last edited by 24 Jan 2016, 08:17

                                    artisantexture.png

                                    my SketchUp gallery

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                                    • HornOxxH Offline
                                      HornOxx
                                      last edited by 24 Jan 2016, 11:58

                                      ... and once again AUAAA 😲 thanks Cotty! I am ashamed πŸ˜‰
                                      How could I have overlooked this option?!?!?


                                      S v A 02.JPG

                                      never trust a skinny cook

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                                      • dereiD Offline
                                        derei
                                        last edited by 31 Jan 2016, 23:14

                                        I think the Coca Cola has the texture distorted... and I am sure is not because of the brand. Pepsi seems fine.
                                        What would be the cause?

                                        DESIGNER AND ARTIST [DEREI.UK](http://derei.uk/l)

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                                        • T Offline
                                          thomthom
                                          last edited by 31 Jan 2016, 23:44

                                          @yorik1984 said:

                                          I think "Coca" and "Pepsi" are same. How do you think?

                                          Love it! πŸ˜„

                                          Would you mind sharing the model? I'm about to look into OpenSubdiv and it might provide some better UV mapping features. That model looks like a nice test model to experiment on.

                                          Thomas Thomassen β€” SketchUp Monkey & Coding addict
                                          List of my plugins and link to the CookieWare fund

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