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    Edit group by ruby-code instead of a right mouse click

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    • A Offline
      Andreas
      last edited by

      I would like to make a cutout in a wall (group) to insert a door or window.

      Andreas

      With best regards from Germany

      Andreas

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      • M Offline
        MartinRinehart
        last edited by

        @andreas said:

        I would like to make a cutout in a wall (group) to insert a door or window.

        Andreas

        That is definitely possible. The group has an Entities collection.

        Add a Rectangle to the groups Entities. Pushpull its face to the opposite side of the wall. Delete the face.

        Author, Edges to Rubies - The Complete SketchUp Tutorial at http://www.MartinRinehart.com/models/tutorial.

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        • J Offline
          Jim
          last edited by

          You work directly with the Group's entities, just like you would the model's entities. Having an editing context is a useful concept for people when modeling, but is not necessary when editing geometry using the Ruby API.

          This sample shows how you might get to a Group's entities.

          
          all_groups = Sketchup.active_model.entities.find_all{|e| e.class == Sketchup;;Group}
          my_group = all_groups.select{|g| g.name == "My Group"}
          my_entities = group.entities
          my_entities.add_face(...)
          
          

          Hi

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          • TIGT Offline
            TIG Moderator
            last edited by

            When you add geometry it goes into an entities collection.
            You have:-
            model.entities = everything that's placed in the model
            group.entities = everything that's placed in the group
            definition.entities = everything that's placed in the component's definition
            there is also
            model.active_entities = everything that is placed in the current context - so this could be equal to the model.entities, OR if the user starts your tool whilst he is editing a group it would become the group.entities automatically.
            Example - this code snippet adds a new [empty] group into the model, then it adds a line 1" tall into that group, it then adds a second [empty] group inside the first group and adds a line 10" long at the first line's end but in that new group.

            model=Sketchup.active_model
            group1=model.entities.add_group()
            group1.entities.add_line([0,0,0],[0,0,1])
            group2=group1.entities.add_group()
            group2.entities.add_line([0,0,1],[10,0,1])
            
            

            Run it [copy/paste the into a file in Plugins and use load"file.txt" in the Ruby Console] and see the results...
            Hopefully this is helpful... 🤓

            TIG

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            • A Offline
              Andreas
              last edited by

              @jim said:

              You work directly with the Group's entities, just like you would the model's entities. Having an editing context is a useful concept for people when modeling, but is not necessary when editing geometry using the Ruby API.

              This sample shows how you might get to a Group's entities.

              
              > all_groups = Sketchup.active_model.entities.find_all{|e| e.class == Sketchup;;Group}
              > my_group = all_groups.select{|g| g.name == "My Group"}
              > my_entities = group.entities
              > my_entities.add_face(...)
              > 
              

              my_entities = group.entities don´t works.
              I think it must be:
              my_entities = my_group.entities
              but that don´t works too.

              Can someone help me?

              Thanks
              Andreas

              With best regards from Germany

              Andreas

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              • TIGT Offline
                TIG Moderator
                last edited by

                You first get a reference to the required group, then one to its entities, and then do stuff in that entities collection...
                To see if each step is working add puts my_group etc after it's defined it should then print up the group-id in the ruby console or 'nil'!
                It should be my_group in your code if you want to work inside that group.
                Do you have a group with that specific name ?
                Obviously the .add_face(...) needs expanding so the ... is a list of at least three coplanar points!!
                It WILL work...
                Why not test it using my method that adds a new group to model.active_entities with
                my_group=model.active_entities.add_group()
                NOW you are sure to have my_group... now add the face to my_group.entities

                TIG

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                • A Offline
                  Andreas
                  last edited by

                  @tig said:

                  You first get a reference to the required group, then one to its entities, and then do stuff in that entities collection...
                  To see if each step is working add puts my_group etc after it's defined it should then print up the group-id in the ruby console or 'nil'!
                  It should be my_group in your code if you want to work inside that group.
                  Do you have a group with that specific name ?
                  Obviously the .add_face(...) needs expanding so the ... is a list of at least three coplanar points!!
                  It WILL work...
                  Why not test it using my method that adds a new group to model.active_entities with
                  my_group=model.active_entities.add_group()
                  NOW you are sure to have my_group... now add the face to my_group.entities

                  Hello TIG,

                  I need access to an existing group to add a face. I would like to make a cutout in a wall (existing group) to insert a door or window.

                  Andreas

                  With best regards from Germany

                  Andreas

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                  • TIGT Offline
                    TIG Moderator
                    last edited by

                    I only suggested the making a new group method so that you might understand how it works in a test... 😒
                    Did you try my 'puts' methods to report if you are actually getting the 'group' etc using your methods ?
                    Assuming you corrected the group >> my_group it should work IF the names match... 😕

                    TIG

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                    • A Offline
                      Andreas
                      last edited by

                      @tig said:

                      ...Assuming you corrected the group >> my_group it should work IF the names match... 😕

                      It does not work.

                      all_groups = Sketchup.active_model.entities.find_all{|e| e.class == Sketchup;;Group}
                      my_group = all_groups.select{|g| g.name == "G1"}
                      my_entities = my_group.entities
                      
                      

                      The result is:

                      all_groups = Sketchup.active_model.entities.find_all{|e| e.class == Sketchup::Group}
                      finds several groups
                      => [#Sketchup::Group:0x80db350, #Sketchup::Group:0x80db320, #Sketchup::Group:0x80db2f0, #Sketchup::Group:0x80e6768]

                      my_group = all_groups.select{|g| g.name == "G1"}
                      picks one of the groups
                      => [#Sketchup::Group:0x80e6768]

                      my_entities = my_group.entities
                      gives the following error
                      NoMethodError: (eval):1:in get_binding': undefined method entities' for [#Sketchup::Group:0x80e6768:Array]

                      I don`t understand that!!!

                      Is there anybody who can explain it to me?

                      With best regards from Germany

                      Andreas

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                      • thomthomT Offline
                        thomthom
                        last edited by

                        all_groups.select{|g| g.name == "G1"} returns an array with a group - not just the group itself.

                        Since this line is suppose to filter out a single group we assume there will be only one item in the array and therefore extract the first item in the array.

                        my_group = all_groups.select{|g| g.name == "G1"}.first

                        So the whole lot would be:

                        
                        all_groups = Sketchup.active_model.entities.find_all{|e| e.class == Sketchup;;Group}
                        my_group = all_groups.select{|g| g.name == "G1"}.first
                        my_entities = my_group.entities
                        
                        

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

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                        • A Offline
                          Andreas
                          last edited by

                          @thomthom said:

                          my_group = all_groups.select{|g| g.name == "G1"}.first

                          Thanks - that´s exactly what I need!!! 😄

                          With best regards from Germany

                          Andreas

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                          • K Offline
                            kaas
                            last edited by

                            @tig said:

                            You could simulate the 'edit group' command - set a shortcut e.g. ' Shift+Ctrl+Alt+G' to the 'edit group' menu item and then use ' win32ole.so' to run the key-stroke(s) to make that group active..

                            I'd like to dig up this old thread because I'm looking for a way (a tool started by a keypress) to drill down many nested groups up to the group with the face I picked, and have that group opened to start pushpulling / modifying etc.

                            Normally I use the outliner to get to the right group but sometimes it's not clear and I have to double click a few times on the target face to drill down the hierarchy. I'd like to skip that double clicking by firing a tool and just pick the face.

                            I tried making this into a small tool. With the pickhelper I can select the picked face but the group itself isn't opened.

                            I also tried TIG's suggestion above in a tool but I can't find the 'edit group' command in the shortcuts so can't bind it to a keypress.

                            Any suggestions??

                            edit: turns out the shortcut list is generated dynamically. If I select a group and then open the shortcut preferences, I do get the option to assign a key.

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                            • TIGT Offline
                              TIG Moderator
                              last edited by

                              To set up a shortcut that is context-sensitive you must be in that selection-context.
                              So to shortcut 'Edit Group' you first need to select a group to get that possibility in the context-menu and you must then open SketchUp's Preferences > Shortcuts and filter for 'Group'... - then set up the shortcut on that tool's command... then of course you'll need to mimic some key-presses etc in some third party code executed by Ruby - all as outlined earlier [PC only]...

                              PS: This 'context' issue when making shortcuts applies to many selection-sensitive commands - like Reverse and Orient, which both need a face to be selected before they appear in the context-menu list...

                              TIG

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