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    Ruby Tutorial: How to create and add a component from Ruby

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    • TIGT Offline
      TIG Moderator
      last edited by

      @tomot said:

      How do I code a radial array of cubes about a central point?
      tia

      Look into my "Grow.rb" script to see how to do all types of matrix arraying etc - Move, Rotate and Scale of copies...

      TIG

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      • T Offline
        tomot
        last edited by

        I revisited the Cube this afternoon:
        I added a dialog box, 2 sub-menus.
        One for a component cube, the other
        for a grouped cube. Then added some color
        and transparency statements.

        Thanks TIG I will have a look at grow.rb

        btw: using the component cube first , followed by grow.rb
        and then changing any component cube creates some interesting effects.


        Box0.rb

        [my plugins](http://thingsvirtual.blogspot.ca/)
        tomot

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        • T Offline
          tomot
          last edited by

          I'm still doing some further investigating into components used in Ruby
          The attached Ruby could produce 2 options for component editing, by adding a sub menu.

          What works now is that each component in the group can be edited on its own
          What does not work!
          Editing one component in the group , and had have the other 8 follow the same editing changes.

          I hope someone can have a look at the code, I cant seem to find the right component code lines.

          tia


          Box4.rb

          [my plugins](http://thingsvirtual.blogspot.ca/)
          tomot

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          • TIGT Offline
            TIG Moderator
            last edited by

            If you make a component and place it several times then anything you do to one instance affects all of the others - unless you use 'make_unique' on it first. Using groups and copying them avoids this, BUT a recently noted but undocumented quirk in the SUp Ruby coding means you must use 'make_unique' on a group as you copy it... otherwise that copy is treated as an 'instance' (just as if it were a component anyway !!!) and then both might change as you alter one...

            TIG

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            • T Offline
              tomot
              last edited by

              I'm wondering why you would suggest Make_unique

              I was copying similar code from JoistTool.rb which allows for
              component editing of the type I'm looking for.

              Yet JoistTool.rb does not contain any Make_unique code.

              I'm wondering if the Upto statements are causing a problem?

              [my plugins](http://thingsvirtual.blogspot.ca/)
              tomot

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              • TIGT Offline
                TIG Moderator
                last edited by

                But the Joist and Rafter tools make a component that is repeatedly copied AND if you subsequently edit one of them then they all change ! If you want parts that are unconnected then use Groups - but make each unique - as I said within a script they can be viewed as clones of the same thing and they'll edit together, but doing an edit in the "real world " has each of them treated as a single entity...

                TIG

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                • T Offline
                  tomot
                  last edited by

                  OK, I really don't understand at this point how or where I'm going to introduce make_unique, into my existing script. I have the following inserted before the 1st upto statement

                  definitions = model.definitions
                  component = definitions.add
                  entities = component.entities

                  followed by:

                  trans = Geom::Transformation.new
                  entities = model.active_entities(component, trans)

                  after the cube has been drawn
                  What I cant wrap my head around is:

                  Both my script, Box4.rb and JoistTool.rb create copies of 3d entities.

                  JoistTool.rb uses t=Geom::Transformation.translation to make copies
                  while, Box4.rb uses Upto to make copies.

                  Obviously these copies are treated differently in Ruby?
                  causing JoistTool.rb work, and Box4.rb not work?

                  (I'm sorry for my thick head)

                  [my plugins](http://thingsvirtual.blogspot.ca/)
                  tomot

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                  • TIGT Offline
                    TIG Moderator
                    last edited by

                    Try using groups as an alternative...
                    ...
                    entities=model.active_entities
                    group=entities.add_group
                    gents=group.entities
                    ...
                    gents.add_line(pt1,pt2)
                    gents.add_face(pt1,pt2,pt3...)

                    etc, all made inside the group NOT model

                    then transform group etc

                    group1=group.copy
                    group1.make_unique

                    transform group1 etc

                    ...

                    TIG

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                    • T Offline
                      tomot
                      last edited by

                      I'm re-reading your comments, and somehow I get the feeling we are misunderstanding each other.
                      I think I'm responsible for that misunderstanding at the very beginning.

                      your response to my question about the joist and rafter tools is a case in point.

                      I quote you:

                      "But the Joist and Rafter tools make a component that is repeatedly copied AND if you subsequently edit one of them then they all change !"

                      What I quoted above, is exactly what I would like my script to do. I'm not looking for parts that are unconnected, as you talk about in the remainder of your quote.

                      I would like all of the cubes that my script repeatedly copies/generates, to be made a component, so that if I then edit one all the rest will change.

                      [my plugins](http://thingsvirtual.blogspot.ca/)
                      tomot

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                      • K Offline
                        Koos Brandt
                        last edited by

                        Hi

                        I know it is nearly a year later, but your code is not doing what you think it is doing.

                        Box4 does the following logically:

                        It creates a component def
                        Then you add 1 face to it and pull the face to make a block
                        then you add this component as an instance

                        then you add another face to it and pull it making block 2
                        then you add another instance. But you also update the original instance to now have two blocks

                        and so on

                        if you set it to have 3 by 3 blocks you get 9 components all the same with each nine pulled faces inside it. The inside blocks are not component instances, the are merely blocks (pulled faces) inside the component.

                        If you select the block at the end of the process and move it you will see there are more blocks underneath it.

                        If you wanted to do what you intended, you needed to create a new component def each time you enter the upto loop.

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                        • T Offline
                          tomot
                          last edited by

                          Its one of the things I have not been able to resolve.
                          I will give your suggestion a try, in the near future.

                          thanks!

                          [my plugins](http://thingsvirtual.blogspot.ca/)
                          tomot

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