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    In Development: Subdivide and Smooth

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    • K Offline
      kwistenbiebel
      last edited by

      True,

      This animated .gif, Whaat showed us a while ago, still amazes me. 😉 :

      http://www.members.shaw.ca/marshallamp20/preview.gif

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      • F Offline
        Fletch
        last edited by

        Yes, Whaat's tool is much more sophisticated programming... but if you are looking for a quick subdivide and smooth tool while you're waiting for Whaat's lovely work to be finished, Rick's plugin does work for what it does! But, indeed, they are basically 2 completely different "animals".

        Fletch
        Twilight Render Cross-platform Plugin for SketchUp on PC or Mac

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        • J Offline
          justry
          last edited by

          I tried out Rick's script. Is it just me or is it real slow?! I tried it on the pillow example so I can compare with whaat's time; the first iteration took like 2.5 minutes, and the second iteration made sketchup go unresponsive for over 10 minutes till I had to terminate it.

          Maybe it's my machine; I'm on a pentium 4 2.4 GHz processor with 512 Mb of RAM. I was wondering what machine you're on whaat?

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          • R Offline
            RickW
            last edited by

            My subdivide project started out last year (almost exactly - March 31) - see http://groups.google.com/group/Ruby-API/browse_thread/thread/4eb73c8ffe38a62d# for the thread where I did a preview. Anyway, the script is unfinished, and is likely to stay that way. I don't need (or want) to try to compete with Whaat on this 😄

            Whaat's interface is significantly more advanced, and perhaps the internal workings are as well. It is what I imagined for my script, but did not have the time to do. I think Whaat's product, when released, will be a fantastic addition to SketchUp. I released mine very quietly (so as to not upstage Whaat's work) to provide a temporary solution for users who needed a subdivide script while they waited for Whaat to complete his impressive work.

            My best wishes to Whaat for great success with this script! I'm waiting for it eagerly, as well! 😄

            As for speed, the first iteration on the pillow example took about 15 seconds. A second iteration (though unnecessary IMHO) took over 10 minutes due to the large number of faces. Hopefully, Whaat has some speed advantages to go with the jazzy interface 😄

            RickW
            [www.smustard.com](http://www.smustard.com)

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            • J Offline
              justry
              last edited by

              Yeah I know a second iteration wasn't necessary, I just wanted to test the performance of the script on a high-poly model.

              The first one took you 15 seconds though??! My machine's gotta be real slow 😞 . Gotta get me a new one!

              Thanks for the quick reply Rick, and your script's great too man. All of them actually 👍 .

              And waiting for that amazing script of yours whaat!

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              • R Offline
                RickW
                last edited by

                I think our machines are comparable processor speed, so maybe it's a memory issue (running 4GB RAM here). Regardless, my script is slow compared to Whaat's, since I didn't really get past the proof-of-concept stage into optimizing.

                RickW
                [www.smustard.com](http://www.smustard.com)

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                • W Offline
                  Whaat
                  last edited by

                  Subdivide and Smooth version 1.0 Final Features List

                  • Low-poly proxy subdivision modeling
                  • Automatic updating of subdivision surfaces while editing a proxy (optional)
                  • Material inheritance of proxy model to subdivision surface (optional)
                  • Creasing tool - allows toggling of fully creased edges or vertices
                  • Up to 4 subdivision and smooth iterations
                  • Unlimited proxy subdivision models can exist in the same file
                  • Subdivision and smoothing of a single isolated face
                  • Robust subdivision algorithm that can handle almost any geometry
                  • Subdivision without smoothing (linear subdivision) - also triangulates all meshes and maintains material assignment
                  • Mesh smoothing (vertex averaging) without subdivision - maintains material assignment
                  • Extrude tool - useful for modeling clean geometry that subdivides well
                  • Knife subdivide tool (aka 'Zorro')

                  Testing begins this week! (sorry, invitation only). I will keep you all posted on the release date!

                  Whaat

                  SketchUp Plugins for Professionals

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                  • R Offline
                    remus
                    last edited by

                    Mmmmmm, exciting stuff, i look forward to it whaat, thanks again for all the hard work 👍

                    http://remusrendering.wordpress.com/

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                    • K Offline
                      kwistenbiebel
                      last edited by

                      I am not sure what all the features exactly mean, but it does sound really cool 😉.

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                      • A Offline
                        a4chitect
                        last edited by

                        whaat you rock! I can't wait for this release! you are one of those for whome the human cloning was meant in the first place 😄 its interesting that you mention mesh smoothing (without subdivision), does it mean we will be able to smooth contour generated surfaces so they will be more natural in shape? good luck with testing

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                        • F Offline
                          Fletch
                          last edited by

                          😲 can't wait to see it, Whaat...
                          (on the 'invite' list, on the 'invite' list, on the 'invite' list)
                          http://www.kerkythea.net/phpBB2/images/smiles/eusa_pray.gif

                          Fletch
                          Twilight Render Cross-platform Plugin for SketchUp on PC or Mac

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                          • soloS Offline
                            solo
                            last edited by

                            By the look and feel of it I think the name should be 'Organix' as it does give one the abllity to model organically.

                            http://www.solos-art.com

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

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                            • W Offline
                              Whaat
                              last edited by

                              @a4chitect said:

                              does it mean we will be able to smooth contour generated surfaces so they will be more natural in shape? good luck with testing

                              Can someone post a complicated contour generated surface? I would like to test this. Thanks.

                              SketchUp Plugins for Professionals

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                              • R Offline
                                remus
                                last edited by

                                Is this any good whaat? might be a bit simple for your purposes, but it was good fun to make 😛


                                whaat contours.skp

                                http://remusrendering.wordpress.com/

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                                • W Offline
                                  Whaat
                                  last edited by

                                  @remus said:

                                  Is this any good whaat? might be a bit simple for your purposes, but it was good fun to make 😛

                                  Thanks remus,

                                  Here are the results:

                                  First image is the original surface generated from contours
                                  Second image is the same surface after performing vertex averaging (same number of polys)
                                  Third image is the surface after performing two subdivision and smooth iterations

                                  It seems like vertex averaging will be very useful to generate more realistic landscape surfaces without increasing poly-count. The only problem is that the the resulting surface will no longer coincide with the contours, so real-world accuracy is lost. There is no easy way to change this so don't ask 😄


                                  original surface


                                  Mesh smoothing (vertex averaging without subdivision)


                                  after two subdivision and smooth iterations

                                  SketchUp Plugins for Professionals

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                                  • T Offline
                                    todd burch
                                    last edited by

                                    @whaat said:

                                    There is no easy way to change this so don't ask 😄

                                    Just tell them it's an erosion feature thrown in for no charge.

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                                    • Mike LuceyM Offline
                                      Mike Lucey
                                      last edited by

                                      @unknownuser said:

                                      @whaat said:

                                      There is no easy way to change this so don't ask 😄

                                      Just tell them it's an erosion feature thrown in for no charge.

                                      😆

                                      Support us so we can support you! Upgrade to Premium Membership!

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                                      • A Offline
                                        a4chitect
                                        last edited by

                                        brilliant whaat - exactly as expected - the surface is much more natural, as for the accuracy - I guess the the vertex-averaged surface could meet the controur lines by simply moving it along the Z axis a bit, and even if they can't touch everywhere - the result is better for its smoothness, you can't take the contours for benchmarking since their accuracy is fairly limited too 😉

                                        maybe performing a test could prove my point>

                                        1. create a curved surface with the Smoove tool

                                        2. generate contours either by the dedicated script, or by intersecting with equidistant planes

                                        3. group contour lines and create a surface by using the sandbox tools

                                        4. paint this surface a different color from the original

                                        5. make a copy (change the color) of this new surface and apply your script

                                        6. compare original surface with both new surfaces

                                        whaat thanks for making sketchup better, can't wait for you to release.

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                                        • G Offline
                                          GUNAWAN W
                                          last edited by

                                          oh dear God, please give this guy more power to made this script available to everyone soon. ☀

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                                          • K Offline
                                            kwistenbiebel
                                            last edited by

                                            Yummy !
                                            Terrific results as far as I see.

                                            This together with a 'wrap texture around object' feature could possibly make other 3d party organic model software trash can material.

                                            Good stuff Whaat!

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