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    [Plugin][$] Curviloft 2.0a - 31 Mar 24 (Loft & Skinning)

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    • B Offline
      Bisectrix
      last edited by

      Hi,

      I got this error message when re-starting SU after having Curviloft installed:

      "You must install LibFredo6 version 6.9 or higher to run Fredo6_Curviloft"

      LibFredo6 is installed correctly. Another Plugin, e.g. Bezier Spline is running without any such error message during starting SU.

      Maybe anyone could help me how to fix it?

      Regards,


      SketchUp Error message.png

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      • A Offline
        AcesHigh
        last edited by

        can't find Curviloft at the plugins folder.

        there are 4 files with "curvi" name there... all of them related to "curvishear". Is it the same thing?

        edit: ok, the problem was that Sketchucation Store showed me one folder as my plugins install folder, while those two plugins were in another folder.

        As you can see on my screenshot of the problem, there is a plugins folder at "C:/Users/AcesHigh/AppData/Roaming/SketchUp/SketchUp 2015/" and another at "C:/ProgramData/SketchUp/SketchUp 2015/SketchUp/Plugins/"

        Error Loading File Fredo6_Curviloft.rb
        Error: #<ArgumentError: wrong number of arguments (2 for 1)>
        C:/Users/AcesHigh/AppData/Roaming/SketchUp/SketchUp 2015/SketchUp/Plugins/Fredo6_!LibFredo6.rb:308:in top_load' C:/ProgramData/SketchUp/SketchUp 2015/SketchUp/Plugins/Fredo6_Curviloft.rb:29:in module:Fredo6'
        C:/ProgramData/SketchUp/SketchUp 2015/SketchUp/Plugins/Fredo6_Curviloft.rb:26:in `<top (required)>'

        Analyzing better this, it seems Curviloft is looking for the Fredo6 Library at AppData, while in truth it´s located at ProgramData.

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        • A Offline
          AcesHigh
          last edited by

          well, ok, so I deleted LibFredo from the AppData folder, leaving the only version installed at ProgramData.

          Now all Fredo6 plugins bugged. Except Curviloft, which now is working... 😛

          It seems I need to do the inverse: install all Fredo plugins, including Curviloft, at AppData.

          EDIT

          Ok, it turns out I can´t install at the default plugins folder. no permissions. Following all the instructions available here at the site did not help. I just can´t change the permissions for the folder. Options greyed-out. Tried to take ownership. No luck.

          So I installed two versions of LibFredo6. One using the automatic Sketchucation Store installer at Program Data folder.

          The other I installed MANUALLY at the main plugins folder, using RBZ extension, so previous Fredo plugins installed there would work.

          Now everything is working again and I do not get the Error Message.

          Solved? NO!!! 😕

          JUst can´t find Curviloft anywhere. No toolbar (nor toolbar available at "view/toolbars"). Did not find it either at Plugins or the Tools drop down window...

          EDIT:

          solved, installing Curviloft MANUALLY (RBZ) worked.

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          • robertWanR Offline
            robertWan
            last edited by

            What am I doing wrong?
            At the beginning of the film is not formed skin.
            http://www.screencast.com/t/aZEj6Qsq
            SU8, Win7.

            Robert

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            • pilouP Offline
              pilou
              last edited by

              Just add a 4 th curve somewhere! 😉

              GIF_4th.gif

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

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              • J Offline
                jaaphu
                last edited by

                Great Thanks!

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                • S Offline
                  surfmike
                  last edited by

                  Screen Shot 2016-12-12 at 10.31.27.png

                  I'm a big fan of Curviloft.

                  However I ran into an issue...

                  These contours seem impossible to skin. Maybe it's to many segments (will use it for 3d printing)...
                  The left one just seems to stop.
                  The right one (with a small added triangle) starts, but doesn't go all the way.
                  File added.
                  //Mike

                  test skinning

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                  • pilouP Offline
                    pilou
                    last edited by

                    My advice 😄
                    Your curves are not clean! (segments added to extremities, overwrited itselves etc...)
                    I redraw above with 4 FSPlines From Bezier Curves by Fredo
                    (6 general Points each if you want many patches)
                    = no Problem! 😎
                    Just be carreful to the snap points! 🤓
                    Surfaces are made in half second with CurviLoft by Fredo! ☀

                    Free Visualizer as render (till SU 2016) 😎

                    no_problem.jpg

                    not_clean.jpg

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

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                    • S Offline
                      surfmike
                      last edited by

                      I believe I was really careful with those mentined issues...
                      However with my file it takes a long time, goes to 90%, then it seems to stop.
                      With lightweight curves it works.
                      Did you use high resolution aswell (300s)?
                      Mike

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                      • pilouP Offline
                        pilou
                        last edited by

                        Resolution has quasi nothing to do with curviloft!
                        it's only matrix of vertices and surface resulting! 😄

                        Problem are more with no natural form curves!
                        Corners, interruptions, no fluidity etc...

                        If your time result of Curviloft is too long and not reasonable,
                        that is that your curves are false for any reasons!

                        Redraw above it! (Group the old with a little line beside for an easy selection)
                        As like you can redraw above the old curves without effort of selection at the end!

                        GIF_line.gif

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

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                        • S Offline
                          surfmike
                          last edited by

                          @pilou said:

                          Resolution has quasi nothing to do with curviloft!
                          it's only matrix of vertices and surface resulting! 😄

                          [attachment=0:syi8gtsw]<!-- ia0 -->GIF_line.gif<!-- ia0 -->[/attachment:syi8gtsw]

                          Pilou, thanks for your assistance and informative help.
                          In a hurry "resolution" was the word I found for expressing the amount of segments/verticies. 😄

                          However - the amount of segments in a curve is limited to 300(s). While modelling for 3D printing, is there a possibility to override that limitaton?
                          //Mike

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                          • S Offline
                            surfmike
                            last edited by

                            V

                            Hi.
                            The model consists of two components.
                            I've done all curves with "Classic bezier curve", and all are "infinite curves" following the green/red/blue axis when placing control points.
                            Still I got some kind of "V shape" in the front curved panel, see picture and file (concerning file size I had to remove the mesh).

                            How can I avoid this? I tried to elaborate by changing settings but with no luck.
                            The person solving this will be a Nobel prize prospect... 😉

                            Thx!
                            //Mikael

                            Front 1.5 fix SUC.skp

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                            • pilouP Offline
                              pilou
                              last edited by

                              If you want make 3D Print maybe export in OBJ or STL and use MeshMixer! (it's free)
                              You will obtain objects more smoothed!

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

                              1 Reply Last reply Reply Quote 0
                              • S Offline
                                surfmike
                                last edited by

                                Yes, I will export to STL and use Meshmixer for scaling and hollow purposes, but I think Meshmixer can't handle this kind of artifacts. Also this surface will be a part of a bigger solid.
                                All three curves are perfect beziers ending 90° to each other, which preferably wouldn't give this minor V shape.
                                Is there any settings or any way to avoid this "V"?
                                Thx
                                //Mikael

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                                • jgbJ Offline
                                  jgb
                                  last edited by

                                  From the image posted, it looks like you have another mesh inside this outer mesh that is poking through, and you are trying to fix the outer mesh instead.

                                  I can't say for sure as your SKP file is SU-2016 and I am using SU-2015 which cannot load your file. If you can post the file in 2015 format I will look at it closely.


                                  jgb

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                                  • gillesG Offline
                                    gilles
                                    last edited by

                                    [a
                                    Hi.
                                    The model consists of two components.
                                    I've done all curves with "Classic bezier curve", and all are "infinite curves" following the green/red/blue axis when placing control points.
                                    Still I got some kind of "V shape" in the front curved panel, see picture and file (concerning file size I had to remove the mesh).

                                    How can I avoid this? I tried to elaborate by changing settings but with no luck.
                                    The person solving this will be a Nobel prize prospect... 😉

                                    Thx!
                                    //Mikael

                                    [attachment=1:ni34c5df]<!-- ia1 -->Front 1.5 fix SUC.skp<!-- ia1 -->[/attachment:ni34c5df][/quote]

                                    [attachment=0:ni34c5df]<!-- ia0 -->tangent.gif<!-- ia0 -->[/attachment:ni34c5df][quote="surfmike"][attachment=2:ni34c5df]<!-- ia2 -->Screen Shot 2016-12-16 at 20.44.08.png<!-- ia2 -->[/attachment:ni34c5df]

                                    Give me the Nobel (don't forget the$ 💚 ).


                                    tangent.gif

                                    " c'est curieux chez les marins ce besoin de faire des phrases "

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                                    • pilouP Offline
                                      pilou
                                      last edited by

                                      Sorry i have forgotten the $$$ ! 💚

                                      http://www.letelegramme.fr/images/2015/10/19/la-medaille-du-prix-nobel-de-la-paix-d-aristide-briand-a-ete_2579693_345x330p.jpg?v=1

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

                                      1 Reply Last reply Reply Quote 0
                                      • S Offline
                                        surfmike
                                        last edited by

                                        @jgb said:

                                        From the image posted, it looks like you have another mesh inside this outer mesh that is poking through, and you are trying to fix the outer mesh instead.

                                        I can't say for sure as your SKP file is SU-2016 and I am using SU-2015 which cannot load your file. If you can post the file in 2015 format I will look at it closely.

                                        Thanks, a SU2015 file is attached.

                                        @gilles said:

                                        [a
                                        Give me the Nobel (don't forget the$ 💚 ).

                                        I had exactly the same idea in mind, but it ended up with two "V's" with a flat surface inbetween... 😞
                                        If you look real close in your animation/file you will see the shadow in the upper area telling there's still a "V", right?
                                        In SU when using "soft" and "smooth" it all looks good, but when aiming towards 3D printing soft/smooth just hiding artefacts.
                                        I placed a surface in the middle of the "problem area" to show it more clearly, see attached pics.

                                        Thanks all!
                                        //Mikael

                                        Front 1.5 fix SUC (SU2015).skp

                                        Screen Shot 2016-12-18 at 10.41.34.png
                                        Screen Shot 2016-12-18 at 10.41.53.png

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                                        • jgbJ Offline
                                          jgb
                                          last edited by

                                          I looked at your model; that's all I could do, is look at it.
                                          One half of the model is composed of almost 2,000 UNCONNECTED very short edges. I could not even weld them into a curve. How you got a surface from them is a bit of a mystery.

                                          However, the "V" you got is no mystery, as this happens to me where I flip a curved surface to form a mirrored other half. It also happens every time I create a large complex surface in several parts. I have to then massage the joins smooth.

                                          The finite lines that form the curve at the "join" are not perfectly aligned in parallel to each other, and when you do the flip there is a small angle to the curve at the join, that appears as a ridge or "V" to the visual rendering. That angle at the "V" is a bit larger than the angles between the lines elsewhere on the curve, and as a result look larger.

                                          To correct that, there are a few ways to do it.

                                          If it was only for a visualization, then making the join lines between the 2 halves smooth and soft should make the join look smooth.

                                          But you want to 3D Print this, so that probably will do nothing for the physical printed part. The "V" will form a bit of a ridge.

                                          What you need to do is delete the surface triangles that form the join line, leaving a gap. But delete the end lines last. Why? Later down.
                                          Explode both halves, then draw a line at the top and bottom corners, joining the 2 halves. You now have a valid curved perimeter for Curviloft to fill.
                                          Explode the Curviloft group, and the "V" should disappear.

                                          If the join is now too flat, then undo the Curviloft surface and the 2 lines you drew. Then undo the deletion of the 2 end lines that formed the "V". (That's why!)

                                          Draw a line mid angled to the original lines and a line joining the 2 halves, then Curviloft that perimeter. This flattens the "V" but not quite flat, so the 3D printed part should not have a ridge.

                                          Sorry, but I do not have the time to draw and annotate the fix. 😞


                                          jgb

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                                          • S Offline
                                            surfmike
                                            last edited by

                                            JGB,
                                            Thanks for helping out, I fully understand your instructions. 😄
                                            However, when I color the line by axis it shows beziers with parallell red end lines (7,2mm on above, 0,045mm in the below line) in each half.
                                            Maybe 0,045mm is too short to be recognized correctly, but in the final skinning group there's parallell lines alright even though 0,045mm became 1,06mm (see attached pic).
                                            But the issue is that inbetween those perfectly parallell lines the skin gets a "V" shape... (???)
                                            //Mikael

                                            red_line.png

                                            P.S The unconnected edges was a unpleasant result of copy/paste 300s beziers from SU2016 to 2015. D.S

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