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

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  • R Offline
    rv1974
    last edited by 31 May 2018, 19:39

    Select all 7 (not one by one), then run loft by spline-
    permanent freeze. Very common thing.


    dddd.skp1.skp

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    • F Offline
      fredo6
      last edited by 31 May 2018, 21:20

      This is just a bug, due to the fact that all contours is exactly spaced at the same distance.

      Thanks for signaling

      I fixed it in version 1.7d, just published.

      Fredo

      PS: Actually, the long waiting time you had is not infinite. After a number of seconds, you get back control. So there was no need to force an exit of Sketchup.

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      • F Offline
        fredo6
        last edited by 31 May 2018, 21:21

        NEW RELEASE: Curviloft v1.7d - 31 May 18

        Curviloft 1.7d is a maintenance release fixing a bug in the automatic ordering of contours for the Spline tool.


        See Plugin Page of Curviloft for Download (or use the Sketchup PluginStore plugin for auto-installation.

        Main post of this thread

        Fredo

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        • R Offline
          rv1974
          last edited by 1 Jun 2018, 07:45

          Unprecedented responsiveness Fredo,many thanks!
          I'll test the update later today.
          Another imperfection (?, - maybe I just can't find right buttons) I encountered with Loft by spline is that
          the inter-medial segments can't keep exact dimensions of initial profiles (lowest and highest ones in attached example 12X81m*, storey height is 3.5m). Another issue is that segments are slightly OFFXY Plane.

          Is it possible to develop some special mode that'd keep segments exactly parallel to the input profiles, and if initial profiles are equal it'd keep their dimensions?

          • P.S. In this particular case of 50+ storey towers PlayitItAgain script helped a lot.

          dddd.skp1.skp2.skp

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          • F Offline
            fredo6
            last edited by 1 Jun 2018, 08:20

            This seems to be a problem of geometry which you can simulate manually.

            Profile not same length.png

            If you wish to keep the junction straight, then the intermediate profiles do not keep the same dimensions.

            Also, the intermediate sections are parallel to the initial profiles. Do you have something different?

            Fredo

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            • R Offline
              rv1974
              last edited by 1 Jun 2018, 09:54

              With prussian pedantry I took all horizontal segments, run make faces and...
              it did it all πŸ™‚ which proves you are right- they are horizontal. What misleads is "~" sign in measurements, must be some SU glitch.


              yyy.jpg

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              • R Offline
                rv1974
                last edited by 1 Jun 2018, 11:27

                This seems to be a problem of geometry which you can simulate manually.
                If you wish to keep the junction straight, then the intermediate profiles do not keep the same dimensions.
                

                If you wish to keep the junction straight
                No, what is needed is intermediate segments to preserve initial dimentions of the profile.
                In attached file the red body is OK (all horizontal segments keep right sizing),
                and the blue one (lofting with 51 intermediate segments) misbehaves.


                dddd.skp1.skp21.skp4.skp

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                • F Offline
                  fredo6
                  last edited by 1 Jun 2018, 12:08

                  @rv1974 said:

                  No, what is needed is intermediate segments to preserve initial dimensions of the profile.

                  Then, Curviloft is not adapted, and you should use FollowMe Rotate or TIG Grow extensions.

                  With rotated profile, line joining the begin and end profile corner does not meet the corner of the intermediate profiles.

                  Curviloft NO straight 2.png

                  In your red shape, you can see that the short segments joining stores are not aligned and do not form a big straight line.

                  Curviloft - NO straight.png

                  Fredo

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                  • R Offline
                    rv1974
                    last edited by 1 Jun 2018, 15:02

                    Thanks for mentioning those alternatives- I'll check them. I'm so glued to your tools that completely forgot others πŸ˜„
                    BTW the straight line on a blue tower shows the horizontal segments don't sit perfectly on it. The gap is ridiculously small in real life scale (~0.3cm in the middle floors, but big enough to spoil the model

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                    • R Offline
                      rv1974
                      last edited by 18 Jul 2018, 05:22

                      Fredo could you take a look please


                      messy result with a newest version (loft)


                      uuu.PNG

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                      • F Offline
                        fredo6
                        last edited by 18 Jul 2018, 13:46

                        @rv1974 said:

                        Fredo could you take a look please

                        I need to consider this case of indetical profiles more seriously, which Curviloft did not really do.

                        So I'll come with something more robust.

                        Fredo

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                        • A Offline
                          Architure
                          last edited by 25 Sept 2018, 12:43

                          Hi there,

                          When selecting more than 3 edge curves, and choosing for junction by orthogonal bezier curves, the surfaces do not get the reach the right spline method result.

                          Here is what the ruby console shows

                          Error: #<ArgumentError: Cannot create unit vector from zero length vector>
                          c:/users/mbe/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_!libfredo6/lib6profile.rbe:119:in axes' c:/users/mbe/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_!libfredo6/lib6profile.rbe:119:in compute_by_offset'
                          c:/users/mbe/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_!libfredo6/lib6profile.rbe:58:in compute_by_vectors2' c:/users/mbe/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_!libfredo6/lib6profile.rbe:86:in compute_by_normals'
                          c:/users/mbe/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_curviloft/curviloftspline.rbe:357:in block in spline_profiling_construct' c:/users/mbe/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_curviloft/curviloftspline.rbe:351:in each'
                          c:/users/mbe/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_curviloft/curviloftspline.rbe:351:in each_with_index' c:/users/mbe/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_curviloft/curviloftspline.rbe:351:in spline_profiling_construct'
                          c:/users/mbe/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_curviloft/curviloftspline.rbe:249:in spline_junction_construct' c:/users/mbe/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_curviloft/curviloftalgo.rbe:497:in generic_junction_construct'
                          c:/users/mbe/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_curviloft/curviloftalgo.rbe:1418:in junction_construct' c:/users/mbe/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_curviloft/curviloftalgo.rbe:407:in block in link_construct_all'
                          c:/users/mbe/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_curviloft/curviloftalgo.rbe:407:in each' c:/users/mbe/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_curviloft/curviloftalgo.rbe:407:in link_construct_all'
                          c:/users/mbe/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_curviloft/curviloftalgo.rbe:396:in link_calculate_all' c:/users/mbe/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_curviloft/curviloftalgo.rbe:530:in option_set_prop'
                          c:/users/mbe/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_curviloft/curvilofttool.rbe:206:in option_set_prop' c:/users/mbe/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_curviloft/curviloftpalette.rbe:773:in call'
                          c:/users/mbe/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_curviloft/curviloftpalette.rbe:773:in block in pal_family_spline_method' c:/users/mbe/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_!libfredo6/body_lib6palette.rbe:3963:in call'

                          Just ask me for the file if needed!

                          Cheers

                          Manuel
                          ...

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                          • F Offline
                            fredo6
                            last edited by 26 Sept 2018, 12:14

                            @architure said:

                            Just ask me for the file if needed!

                            Yes the file would be useful, as this seems to be a special case.

                            Thanks

                            Fredo

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                            • A Offline
                              Architure
                              last edited by 4 Oct 2018, 15:26

                              Hi there,
                              Sorry for my late reply. Here is the attached 2018 skp file . You can see that the selected mode is only applied between the first 3 curves.
                              Let me know if I can provide more information.
                              Cheers


                              seat back.skp

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                              • F Offline
                                fredo6
                                last edited by 31 Oct 2018, 21:07

                                NEW RELEASE: Curviloft v1.8a - 31 Oct 18

                                Curviloft 1.8a is a maintenance release for bug fixing.


                                See Plugin Page of Curviloft for Download (or use the Sketchup PluginStore plugin for auto-installation.

                                Main post of this thread

                                Fredo

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                                • Z Offline
                                  zswseu
                                  last edited by 5 Dec 2018, 03:43

                                  Looking forward to another excellent work.

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                                  • R Offline
                                    rv1974
                                    last edited by 10 Dec 2018, 12:03

                                    In 99% of of lofting uses I have to straighten borders connnecting ends of segments afterwards(thanks Thom there're Edge tools so it's not manual). Could there be an optionto keep them straight when creating?
                                    Thanks

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                                    • F Offline
                                      fredo6
                                      last edited by 10 Dec 2018, 13:42

                                      @rv1974 said:

                                      In 99% of of lofting uses I have to straighten borders connnecting ends of segments afterwards(thanks Thom there're Edge tools so it's not manual). Could there be an optionto keep them straight when creating?
                                      Thanks

                                      Not too sure what you mean by 'straighten'.
                                      Maybe an example would be helpful.

                                      Fredo

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                                      • R Offline
                                        rv1974
                                        last edited by 10 Dec 2018, 19:07

                                        Edit: Only after posting I figured out 'junction by connected lines' in 'spline method' fixes this problem' πŸ˜„


                                        Capture.JPG

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                                        • F Offline
                                          fredo6
                                          last edited by 10 Dec 2018, 20:58

                                          @rv1974 said:

                                          Edit: Only after posting I figured out 'junction by connected lines' in 'spline method' fixes this problem' πŸ˜„

                                          I really need to refresh the plugin with more explicit control of the different options (and maybe selecting a few ones which make sense). Currently, Curviloft rather exposes the options that come from the algorithm, up to the user to find out what is appropriate. That's why I still leave it in Beta after all these years!

                                          Fredo

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