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    [Plugin] Simple Loft alpha 0.1b -- UPDATED May-15-09

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    • Chris FullmerC Offline
      Chris Fullmer
      last edited by

      Heehe, Thom is really digging deep into observers in that script. I'll PM him and let him know that he's got a leak. Thanks for taking the time to find it Sepo!

      Chris

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

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      • S Offline
        sepo
        last edited by

        OK good news is it works on my laptop on both SU7 and SU6.
        On my other XP I found culprit. It is tt_double_cut.rb.... As soon as I removed it(as this was only one which was not on all comps) loft started to work.
        I know Tom's script is only alpha but it seems to clash with yours.

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        • S Offline
          sepo
          last edited by

          Is it possible to make circles or elipses to be lofted?

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          • Chris FullmerC Offline
            Chris Fullmer
            last edited by

            Not yet. I started with open splines only. I have to rethink some pieces of the script to get closed splines to work.

            Chris

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

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            • S Offline
              sepo
              last edited by

              Sounds promissing....Thanks for the script...It looks like there is a less and less reason to leave SU...

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              • A Offline
                AcesHigh
                last edited by

                @sepo said:

                Is it possible to make circles or elipses to be lofted?

                so far, it seems the best option is to create two halfs of the closed loop you want (be it a circle, elipse or anything else). Than you loft and join them.

                If you want to loft a circle to a line, MAYBE its possible to cut the circle in two. Then you loft half the circle to the line, and then you loft the other half of the circle to the same line. Then you join the two sides.

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                • J Offline
                  jmmad
                  last edited by

                  Well i was thinking about leaving SU and one of those reasons where no loft support.
                  Until now.
                  You are really making Great Plugins you are very generous an talented man.
                  Thxs a lot Chris.

                  Get Upa !

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                  • ely862meE Offline
                    ely862me
                    last edited by

                    This is something that can improve my workflow ..Thanks a lot,for a well done job,Chris.. 👍

                    Elisei

                    Elisei (sketchupper)


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

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                    • thomthomT Offline
                      thomthom
                      last edited by

                      @sepo said:

                      OK good news is it works on my laptop on both SU7 and SU6.
                      On my other XP I found culprit. It is tt_double_cut.rb.... As soon as I removed it(as this was only one which was not on all comps) loft started to work.
                      I know Tom's script is only alpha but it seems to clash with yours.

                      Double-cut should not be used in a production environment. It makes SU unstable, liable to bug-splats and interferes with the observer events. It will need major rebuilding to make it work, so I won't be looking to track down bugs in in the alpha. It is in it's current state FUBAR. I need to get my thinking-cap on first before I start on re-writing it. (I also need a minor break from it as well as my frustration level increases just by looking at it as it is now 😞 )
                      Sorry for the inconvenience.

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

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                      • Chris FullmerC Offline
                        Chris Fullmer
                        last edited by

                        Sorry to hear it Thom, its a plugin with a lot of potential. Hopefully the observers situation will get worked out and stabilized in future releases.

                        Good luck with it when you feel like getting back to it!

                        Chris

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

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                        • M Offline
                          moujiik
                          last edited by

                          Hi Chris, and all the others (my first post)
                          I find the first version of your script (0.1a) is realy a good start. The loft tool in moi 3d have the same result with two curves. The bezier connection seems only necessary with tree or more curves. It makes a smooth connection between curves. Anyway. This is the tool missing in sketchup. How brave you are! Thank you for your script, and all of you who keep sketchup fascinating.
                          Moujiik.


                          Loft moi 3d_2 curves.jpg


                          Loft moi 3d three curves.jpg

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                          • Chris FullmerC Offline
                            Chris Fullmer
                            last edited by

                            Hey moujiik, that is a great image that clearly shows what I was asking about. Indeed it just makes straight connections from point to point with only 2 splines. Its not until you add a 3rd spline that it starts to use a bezier connection.

                            In the current version, I faked in a bezier curve even on 2 curves, and I think I'll leave it in place. Partially because I've also now added the ability to control the amount of curve. So if a user selects just 2 splines and wabts the straight straight connections, with multiple segments, it will be possible in the next version I release.

                            Thanks for the image and the kind words!

                            Chris

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

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                            • D Offline
                              dtrarch
                              last edited by

                              Chris

                              It was DoubleCut all right. ☀

                              Dave

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                              • A Offline
                                AcesHigh
                                last edited by

                                I think this may already be enough to allow me to create my uplifted neo-dolphin suit!

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                                • W Offline
                                  watkins
                                  last edited by

                                  Dear Chris,

                                  What I actually did to get the bowl was to:

                                  • start with a circle about the origin, and on the X-Y plane
                                  • explode the circle
                                  • delete one segment
                                  • move and copy the modified circle in the Z direction
                                  • scale the upper circle about its centre
                                  • use simple_loft
                                  • stitch the open part using the line tool

                                  Regards,
                                  Bob

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                                  • W Offline
                                    watkins
                                    last edited by

                                    What happens if one tries to use two half circles to create a bowl (see image). The edges are not suitable for joining.


                                    Bowl using half circles.jpg

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                                    • Chris FullmerC Offline
                                      Chris Fullmer
                                      last edited by

                                      Ahh, very true. Well, someday I'll get it so that it works with circles and ellipses and all closed splines. Then it will work much smoother 😄

                                      Chris

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

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                                      • D Offline
                                        Daniel S
                                        last edited by

                                        @watkins said:

                                        What happens if one tries to use two half circles to create a bowl (see image). The edges are not suitable for joining.

                                        This is for me the problem with loft.
                                        There are other tools that creates surfaces bounded by 2, 3 or 4 curves..
                                        It looks like a double loft.
                                        But something like this is possible?
                                        boundary curves.gif


                                        boundary curves.skp

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                                        • Chris FullmerC Offline
                                          Chris Fullmer
                                          last edited by

                                          Yeah, something like that is probably possible. Its not something I'm working on. But maybe in time. I would need to play with it in rhino or 3dsmax and figure out what its really doing to the geometry. I can't tell exactly how its making the cross splines. But I'm sure I could figure out if I played with it long enough.

                                          Chris

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

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                                          • S Offline
                                            sepo
                                            last edited by

                                            @aceshigh said:

                                            @sepo said:

                                            Is it possible to make circles or elipses to be lofted?

                                            so far, it seems the best option is to create two halfs of the closed loop you want (be it a circle, elipse or anything else). Than you loft and join them.

                                            If you want to loft a circle to a line, MAYBE its possible to cut the circle in two. Then you loft half the circle to the line, and then you loft the other half of the circle to the same line. Then you join the two sides.

                                            Yes, but beziers overlap. Better way is to have say circle and circle losing one segment at same position and lofting remain.

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