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    Unfolding plugin idea

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    • K Offline
      kyyu
      last edited by

      @mattc said:

      So I chewed TIG's reply over , and I got to work.
      Result is this: <snip>

      I can call it from Ruby editor, but how to wrap it up to a plugin state ??
      Where can I find any tutorial or help ?

      MattC, look at this video: http://www.youtube.com/watch?v=YEJLw3WJsnU

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      • M Offline
        MattC
        last edited by

        kyyu - Thanks a lot, somehow I missed this one.
        Work continues...

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        • J Offline
          Jim
          last edited by

          A little late, but don't forget about the Waybe unfold plugin.

          Link Preview Image
          404 - Page Not Found

          favicon

          (waybe.weebly.com)

          Hi

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          • M Offline
            MattC
            last edited by

            I have seen Waybe, but I haven't really tried it yet.
            Other thing is that it is not free, not as much of a problem if you are a hobbyist, but for commercial use? Quite pricey. So is it possible to do most of what Waybe do for free? I hope so ๐Ÿ˜„
            In a meantime ...

            I base my work mostly on unfold plugin by Jim. So I try to reverse engineer structure of the code.
            But the problems arise. Idea is that to run my plugin I need 3 selections : basis selection of faces that will be unfolded, and 2 faces that will specify unfolding direction.
            Basis selection is not a problem, because I can select it before running code.
            But I need to be able to select 2 faces when prompted.
            I know that I should use onLButtonDown, but I miss something and it does not work. Can anyone help ?

            Code:

            module Autounfold
            # Plugin require elements that we want to unfold to be selected before running
            def Autounfold.main
            	model = Sketchup.active_model
            	model.start_operation "Autounfold"
            	sel = model.selection
            	bas_sel = []
            	face1 = []
            	face2 = []
            	Sketchup.active_model.selection.each do |e| #we define basis selection of faces to unroll
            		if e.is_a? Sketchup;;Face 
            			bas_sel<<e;
            		end
            	end
            Sketchup.active_model.selection.clear  #clear selection before asking for faces that defines direction of unrolling
            UI.messagebox "#{bas_sel.length} faces selected to unrolling " # information, can be ommited
            UI.messagebox "select first face";
            # here I want to be able to select one face, and set it as face1 array
            UI.messagebox "select second face";
            # here I want to be able to select one face, and set it as face2 array
            if face.length !=0 and face2.length!=0
            	UI.messagebox "ready to unrol";
            end
            #here goes full algorythm 
            end
            def onLButtonDown(flags, x, y, view)
                    ph = Sketchup.active_model.active_view.pick_helper
                    ph.do_pick x, y
                    ref = ph.best_picked
                    if ref.nil?
                        puts "ref.nil"
                        Sketchup.active_model.selection.clear
                        Sketchup.set_status_text "Unfold; Selection cleared. Select face to unfold."
                        return
                    end
                    if( ref.typename == "Face" )
                        if face1.length == 0
                            face1<<ref;
                            UI.messagebox "face selected"
            				return
            			else
            				if face2.length == 0
                            face2<<ref;
                            UI.messagebox "face selected"
            				return
            				end
            			end
                    end
            	Sketchup.active_model.commit_operation
            end
            end 
            plug_menu=UI.menu("Plugins")
            plug_menu.add_item ("Autounfold"){Autounfold.main}
            

            Thanks in advance, Matt

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            • TIGT Online
              TIG Moderator
              last edited by

              To use 'tool' methods like onLButtonDown() etc it must be inside a 'Class' that is launched as a 'tool' by Sketchup. Then it looks for all of the built-in special 'tool' methods like activate(), resume(), onMouseMove() etc if one is found it's used - see the LineTool example for several of these - and of course the API Tool doc http://code.google.com/apis/sketchup/docs/ourdoc/tool.html.
              You've wrapped your methods inside a Module - it won't work as a 'tool' unless they are inside a 'Class' [which could also be inside the Module] and/or you need to also launch it as a 'tool' - you'd use something like plug_menu.add_item("Autounfold"){Sketchup.active_model.select_tool(Autounfold.new())} - [assuming the tool is a 'raw' class called 'Autounfold'???]...
              The code inside the class's initialize() method runs first, then the code inside the activate() method next - any other methods are linked to those, or auto-activate depending on what you do with the mouse etc... If you use a @state variable and set it to have different values [0, 1, 2 etc] as various 'steps' are completed in the tool's methods then you can control things like 'onLButtonDown()' - by having for example return if @state!=1 in the first line of that method, so that method only becomes into play when you have set @state=1... NB: @ variables persist across methods in that instance of that class - @@ ones [initially set in the class itself, outside of any method]are remembered across uses of that class that session.

              TIG

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              • K Offline
                kyyu
                last edited by

                Also, You can output text to the status bar vs alot of message boxes: http://code.google.com/apis/sketchup/docs/ourdoc/sketchup.html#status_text=
                Message boxes are especially good for alerting the user of errors and debugging your code.

                And there is a book that may help you out, concerning sketchup ruby. You can download the full pdf for free: http://www.autosketchup.com/

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                • M Offline
                  MattC
                  last edited by

                  Thanks Everybody ! With Your help I got it working.
                  After this long weekend I will post what I have done.
                  Still there are some problems, but those I will try to solve later.

                  Matt

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                  • D Offline
                    DOD3R
                    last edited by

                    nice would be the possibility to make UV mam from this

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                    • O Offline
                      Orangutan
                      last edited by

                      Nice work. Thanks.


                      autounfold.JPG

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                      • M Offline
                        MattC
                        last edited by

                        Hello Everybody

                        Here is result of my work.
                        Plugin will make a autounfold submenu , with 2 options: unroll and rotate to XY plane AND unroll and leave in plane of last element.
                        Select elements to unroll first and then activate tool.
                        Pick first face, and then pick one adjacent to define in which direction it schould be unfolded.

                        Script is based on idea of unfoldtool , and made with help of this comunity.
                        Therefore no rights reserved, and no responsibilities to be taken by author.
                        Feel free to test,use and modify.
                        C&C welcome!

                        Matt


                        Autounfold

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                        • PixeroP Offline
                          Pixero
                          last edited by

                          Thanks! I will study it carefully. As you know I have an idea... ๐Ÿ˜‰

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                          • K Offline
                            Kuddl
                            last edited by

                            (old) Unfolding plugin idea

                            (new) [Plugin] Unfolding automatically ๐Ÿ˜„

                            Hi Matt,

                            why do you do no official plug-in from this?
                            Nice work. Thanks. ๐Ÿ‘
                            You must not hide!

                            Sorry my bad englishโ€ฆ ๐Ÿ˜ณ
                            Kuddl

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                            • M Offline
                              MattC
                              last edited by

                              Hello

                              First, it is not finished, there are some things that I would like to change but have no time at this moment.
                              Second, it is not well tested, I know that on some conditions it will not work properly, I am still investigating the reasons.
                              Third, When it comes to large curved surfaces, that consist of more than 400 faces, because if the loops that sit in code it can freeze.

                              So no official plugin yet.Still lots of things to improve.

                              Matt

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                              • M Offline
                                MattC
                                last edited by

                                [Solved] BUT ideas are appreciated I am busy with reworking the code , but I found a small problem.
                                First situation:
                                Rectangle in XY plane, with a normal vector shown.
                                Then this rectangle was split with a line into two triangles, again with shown normals.

                                https://lh6.googleusercontent.com/-wwcErWmEVv8/Tjuv1W0tHLI/AAAAAAAABEY/e0rGPukMTkQ/s600/a1.PNG


                                https://lh3.googleusercontent.com/-maBwUfPqGIU/Tjuv1osNksI/AAAAAAAABEg/utV0_szKZio/s600/a2.PNG

                                No problem.
                                Second situation, with rectangle not in XY plane:

                                https://lh4.googleusercontent.com/-QXNPYC3ju_U/Tjuv19ltcrI/AAAAAAAABEk/wxlfgPhDme4/s600/a3.PNG


                                https://lh5.googleusercontent.com/-7_n-e9E7vGs/Tjuv1ZbMONI/AAAAAAAABEc/bUFnmOqAdrA/s600/a4.PNG

                                As you can see, there are smaal differences in coordinates.
                                But when checking if faces are coplanar ( by comparing normals, of planes of faces) it gives a false result.
                                Is there a walkaround? is it possible to perform some kind of rounding of coordinates?

                                Thanks for help.
                                Matt

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                                • G Offline
                                  Gade
                                  last edited by

                                  Hello, i'm very interested into your plugin but it's not working on my computer... is it possible to use your plugin with mac ? i have sketchup 8? please help me to use your plugin i would like to make a model ...

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                                  • M Offline
                                    MattC
                                    last edited by

                                    @gade said:

                                    Hello, i'm very interested into your plugin but it's not working on my computer... is it possible to use your plugin with mac ? i have sketchup 8? please help me to use your plugin i would like to make a model ...

                                    Hi I will need some more informations to answer, I havn't used it in a long time, at least this version, but I see no reason why it should not work on Mac.

                                    You can also take a look here:
                                    http://www.papermodelers.com/forum/software/18100-spp-sketchup-paper-planes-tools-sketchup.html

                                    Greets
                                    Matt

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