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

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    • TIGT Offline
      TIG Moderator
      last edited by

      To 'edit' a group use group.entities
      You add-to or erase-from the set, or transform some of its entities etc - just as you would any other entities set... i.e. like model.entities etc... and the changes occur inside the group 😕

      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 and then edit its entities to make your selection and then close the group using close_active... BUT it's pretty convoluted and would be PC dependent AND why do it? 😒

      TIG

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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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