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    [Plugin] Super Drape

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    • Dave RD Offline
      Dave R
      last edited by

      I broke the newest version. πŸ˜„

      It was interesting to watch it filling in the faces. It looks like it just skipped a few.


      Super Drape.png

      Etaoin Shrdlu

      %

      (THERE'S NO PLACE LIKE)

      G28 X0.0 Y0.0 Z0.0

      M30

      %

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      • TIGT Offline
        TIG Moderator
        last edited by

        Currently looking at an update...
        Watch this space... πŸ˜’

        TIG

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        • BoxB Offline
          Box
          last edited by

          Just a bit of feedback.
          I draped a simple sphere onto a flat surface at different rotations and got some strange results. I scaled up by 10 to see if it was just a small face issue and still odd.
          I'm not sure that this is something anyone would do with this plugin, but thought I should show you anyway.

          It's strange how sometimes the drape goes all the way through to the bottom surface and other times not, and on the large version it blew out the top surface.


          SDTest.JPG


          SuperDrapeTest.skp

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          • TIGT Offline
            TIG Moderator
            last edited by

            Thanks Box... I'm looking at a few bug fixes - which come more from Sketchup's limitations with intersect than my code itself πŸ˜’
            Watch this space...

            TIG

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            • TIGT Offline
              TIG Moderator
              last edited by

              Here's v1.5 http://forums.sketchucation.com/viewtopic.php?p=358314#p358314
              It includes some adjustments to minimize fails on texturing or intersecting faces.
              It still might occasionally make odd draped faces - this is a shortcoming of Sketchup's intersect_with tolerances that I haven't yet found a tweak to fix it...
              A little manually repair after super-draping will usually fix such glitches...

              TIG

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              • J Offline
                jorge2011
                last edited by

                hi tig.
                thank you very much for this update.

                In some models (horizontal faces) are generated errors
                And in other sketchup closes.

                I'm doing something wrong?
                is a mistake and can be corrected?

                see model

                Thanks for your time


                02.skp

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                • TIGT Offline
                  TIG Moderator
                  last edited by

                  Jorge

                  It's a weird bug - but you can minimize its affect by not using rotated groups, so rotate then explode and regroup before draping... so the axes then are matching.

                  The right-hand one returns an error because one group IS below the max. bounds of the other - look at their bounding boxes when they are selected...

                  The middle set is an oddity because = if you slide the text-group a few mm so it doesn't drape exactly centrally it will then drape OK with no missing faces and a proper intersection... πŸ˜•

                  I'm reviewing issues and will be back with some ideas asap... πŸ˜•

                  TIG

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                  • pep75P Offline
                    pep75
                    last edited by

                    mmmm....version 1.5 is not working properly. When I click the second group (the one to drape on) I hear a "bell"(windows error sound or something), and it doesn't do anything....

                    anyone that problem?

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                    • TIGT Offline
                      TIG Moderator
                      last edited by

                      @pep75 said:

                      mmmm....version 1.5 is not working properly. When I click the second group (the one to drape on) I hear a "bell"(windows error sound or something), and it doesn't do anything....

                      anyone that problem?

                      The 'ding' is added to tell us the processing is finished.
                      If you run it with the Ruby Console open do you get any error messages ?
                      Can you post the problem SKP so we can try it...

                      TIG

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                      • pep75P Offline
                        pep75
                        last edited by

                        What a quick reply! I installed 1.4 and it works....okay now i'm going to install 1.5 back again!

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                        • pep75P Offline
                          pep75
                          last edited by

                          Okay now it works....but...sometimes is doesn't....can that be true? I mean I sometime mis a line on the draped surface so I don't get an intersected shape...

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                          • TIGT Offline
                            TIG Moderator
                            last edited by

                            Is it a scale issue - very small or very large objects ?
                            There are occasional glitches - just as with the native Drape tool - Sketchup is prone to glitchy imperfect intersection results.
                            Indeed, sometimes when I'm testing I can get a fail followed by uninterrupted successes! I have optimized the code as best I can to minimize the number of fails... If it fails then try repeating it immediately and it'll probably work! πŸ˜’
                            Post the SKP if you can so I can test it too...

                            TIG

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                            • thomthomT Offline
                              thomthom
                              last edited by

                              @tig said:

                              There are occasional glitches - just as with the native Drape tool - Sketchup is prone to glitchy imperfect intersection results.

                              I often experience that the native Drape fails on edges that are not too small. edges 1m or larger even fails some times... no idea why.... πŸ˜’

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

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                              • TIGT Offline
                                TIG Moderator
                                last edited by

                                The simplistic way my tool works is that it makes a temp-group and projects all of the vertices of the draped edges down through the 2nd form and it also makes faces.
                                It then intersects the temp-group with the 2nd group to 'cut' all of the faces passing through the surfaces.
                                It then erases all 'verticals' that are not connected to the original vertices so only the top part of the temp-group is left, it then erases all 'non-vertical' faceless edges - except those left hanging if the two forms don't fully overlap [any faceless edges that have a vertex that has a face are saved and the lone vertex is re-healed with a new face/edge].
                                This mean that the temp-group is now perfectly molded to the 2nd group [unless there's a fail]
                                Now the temp-group is lowered slightly to ensure that the 2nd group's surfaces intersect with it and then there's an intersection.
                                The material adding part is a different issue...
                                One of the reasons for a fail is that the intersected edges returned are occasionally [randomly] incomplete - this is usually a missing segment of edge that clearly should result if you intersect the temp-group and 2nd group's entities - doing it manually to an aborted set of groups will not give an intersecting line either - although the face in one clearly passes through one in the other entities set. The other issue is that the intersected edges within the modified 2nd group do not always intersect with faces [in code, unlike when you do it manually OR explode one object onto another] - however. this is [usually] rectified by intersecting the 2nd group's entities with themselves a few times! BUT again occasionally you get a loop of edges that is coplanar with a face but refuses to intersect with it - I have found that such edges have their vertices the tiniest fraction off the face so these edges won't intersect with the face, BUT attempts to uses transform_by_vectors on these vertices by the tiny distance involved so they are truly coplanar and will then intersect fails too... πŸ˜•

                                TIG

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                                • marleusM Offline
                                  marleus
                                  last edited by

                                  Thx Tig

                                  Now I can make some decaling jobs ....
                                  Great plugin.. will post a pic

                                  Markus Sillander
                                  Vantaa, Finland
                                  I'm on FormFonts now
                                  http://www.formfonts.com

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                                  • marleusM Offline
                                    marleus
                                    last edited by

                                    This keeps bugsplatting me 😒

                                    No special in Ruby console.... just down it goes
                                    Must be doing something wrong ❓


                                    Problem.skp

                                    Markus Sillander
                                    Vantaa, Finland
                                    I'm on FormFonts now
                                    http://www.formfonts.com

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                                    • jarynzlesaJ Offline
                                      jarynzlesa
                                      last edited by

                                      super tool πŸ‘ thx

                                      http://www.vizualizaceschodiste.mypage.cz/

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                                      • TIGT Offline
                                        TIG Moderator
                                        last edited by

                                        Marleus

                                        It's one of those problems compounding...
                                        First the letters' faces are upside down and only have back-materials - so reversing them gives a better chance of it working and getting a good material exchange [I used my FixReverseFaceMaterials tool to reverse them and flip the materials].
                                        Next there are lots of tiny edges in the groups - I scaled everything up x10.
                                        The letters are also at a strange angle in 3d - I flattened them.
                                        The letters aren't placed over the sofa in plan - Top view + perspective OFF and relocated it so wholly over the sofa's seat surface!
                                        I then did the SuperDrape and it crashed πŸ˜’
                                        I then did a standard Drape... and it crashed - so no worse off there then !
                                        I then edited the letters-group and did a ExtrudeEdgesByVectorToObject, keeping the vector constrained to vertical [blue] and passing through the seat... it made an extrusion up to the seat's surface [which is much like SuperDrape does...]; I then erased the vertical edges/faces to leave the original letters and the outlines draped over the seat; selected all of the outlines and Edit>Cut; close the group edit and edit the sofa group, Edit>PasteInPlace to add the outlines - they don't all 'cut' into the surface so Select All and Intersect with Selection to force it - even then some things like the circle in the O-centers doesn't cut properly - to fix that select an edge and use a AddFaceToEdge tool...
                                        Move the letters-group vertically down so it's nearer the sofa surface and there is less likelihood of errors in reading the materials.
                                        Then use my earlier 'Drape Materials' tool on the selected faces of the letter-outlines now on the sofa.
                                        They should all transfer - a couple of small triangles etc didn't - with Hidden Geometry on, sample the sofa material and paint it onto those to fix - see image...
                                        There are just some combinations of things that fail to drape and you managed to have all of them in one test 😲Capture.PNG

                                        TIG

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                                        • marleusM Offline
                                          marleus
                                          last edited by

                                          Thx Tig... 😲
                                          I think I got it now LOL

                                          I'll try on an other model ....

                                          Markus Sillander
                                          Vantaa, Finland
                                          I'm on FormFonts now
                                          http://www.formfonts.com

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                                          • marleusM Offline
                                            marleus
                                            last edited by

                                            Nice......

                                            Rendered with Simlab Composer 2.4

                                            Thanks Tig πŸ˜„

                                            Markus Sillander
                                            Vantaa, Finland
                                            I'm on FormFonts now
                                            http://www.formfonts.com

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