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[Plugin] Select by Z

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  • E Offline
    EarthMover
    last edited by 1 Sept 2009, 23:28

    So kind my friend. Thanks for making me work for it! I'm looking through code to try and determine how to also have the selection apply to edges, but the variables for edges are greater. If I could figure out how to apply it to just work with edges that exist solely on an xy plane....

    3D Artist at Clearstory 3D Imaging
    Guide Tool at Winning With Sketchup
    Content Creator at Skapeup

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    • T Offline
      TIG Moderator
      last edited by 1 Sept 2009, 23:38

      edge.start.position.z==edge.end.position.z
      

      is 'flat'
      you could also get the lower value with

      edge.bounds.min.z
      

      ?

      TIG

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      • E Offline
        EarthMover
        last edited by 2 Sept 2009, 00:40

        ss=model.selection; face=ss[0]; ss.clear

        So I assume this lines tells sketchup if the selection is a face then process this line

        model.active_entities.each{|e|ss.add(e)if e.class==Sketchup::Face and e.bounds.min.z==face.bounds.min.z}

        And this says to add to the selection all other faces with the with z bounds.

        To translate this to apply for edges, is it as simple as changing the name face to edges and defining it further with the xy constraint code you provided? I tried it a few different ways and I keep getting errors.

        3D Artist at Clearstory 3D Imaging
        Guide Tool at Winning With Sketchup
        Content Creator at Skapeup

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        • T Offline
          TIG Moderator
          last edited by 2 Sept 2009, 08:03

          Correct - test that the entities are Edges...

          e.class==Sketchup;;Edge
          

          Then test to see if same height as edge=ss[0] ###you need to have got edge's min.z...
          There are several ways of testing for entity types - the [probable] fastest is e.class==Sketchup::Edge but there are also
          e.is_a?("Edge") e.kind_of?("Edge") e.typename=="Edge"
          etc...
          Now you can also try code to manipulate a selection so that say only edges or faces are left in it...
          For example:

          ss.each{|e|ss.remove(e) if not e.class==Sketchup;;Face}### leaves only faces
          ### OR
          ss.each{|e|ss.remove(e) if not e.class==Sketchup;;Edge}### leaves only edges
          

          TIG

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          • E Offline
            EarthMover
            last edited by 2 Sept 2009, 11:20

            def selectedgesbyz()
              model=Sketchup.active_model
              ss=model.selection; Edge=ss[0]; ss.clear
              model.active_entities.each{|e|ss.add(e)if e.class==Sketchup;;Edge and e.bounds.min.z==edge.start.position.z==edge.end.position.z}
            end#if
            UI.menu("Plugins").add_item("Select Edges by Z"){selectedgesbyz} if not file_loaded?(File.basename(__FILE__))
            file_loaded(File.basename(__FILE__))
            

            Got this so far. Something is wrong in the syntax. Can you show me the error to my ways. I have no idea how the language works, but it's been a good mental exercise and I'd love to learn more. Thanks for your help.

            3D Artist at Clearstory 3D Imaging
            Guide Tool at Winning With Sketchup
            Content Creator at Skapeup

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            • B Offline
              BTM
              last edited by 2 Sept 2009, 11:50

              @earthmover said:

              def selectedgesbyz()
              >   model=Sketchup.active_model
              >   ss=model.selection; Edge=ss[0]; ss.clear
              >   model.active_entities.each{|e|ss.add(e)if e.class==Sketchup;;Edge and e.bounds.min.z==edge.start.position.z==edge.end.position.z}
              > end#if
              > UI.menu("Plugins").add_item("Select Edges by Z"){selectedgesbyz} if not file_loaded?(File.basename(__FILE__))
              > file_loaded(File.basename(__FILE__))
              

              Got this so far. Something is wrong in the syntax. Can you show me the error to my ways. I have no idea how the language works, but it's been a good mental exercise and I'd love to learn more. Thanks for your help.

              Well, first problem is that you capitalized edge in edge=ss[0]. Second, you can't have something like 'if a==b==c'. You have to seperate it into 'if a==b and a==c'. Here's a working example.

              def selectedgesbyz()
                model=Sketchup.active_model
                ss=model.selection; edge=ss[0]; ss.clear
                model.active_entities.each{|e|ss.add(e)if e.class==Sketchup;;Edge and (e.bounds.min.z)==(edge.start.position.z) and (e.bounds.min.z)==(edge.end.position.z)}
              end#if
              UI.menu("Plugins").add_item("Select Edges by Z"){selectedgesbyz} if not file_loaded?(File.basename(__FILE__))
              file_loaded(File.basename(__FILE__))
              
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              • T Offline
                TIG Moderator
                last edited by 2 Sept 2009, 21:40

                Thanks - BTM ... all variables must start with a lower-case letter and test 'x==y and z==a' are both the correct way forward... We'' make a scripter out of EarthMover yet ๐Ÿ˜†

                TIG

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                • E Offline
                  EarthMover
                  last edited by 2 Sept 2009, 23:41

                  Thanks BTM - that makes sense and I follow the logic behind the code. Perhaps I will try and find time to learn the language. I am good at obsessing and not so good at multi-tasking, so it may have to wait till the snow is falling and my work slows down.

                  Regarding the script, it indeed is working. However, it is not properly defining the edges end bounds. The script is selecting any edge which has one of the their bounds (verticies) corresponding with the selection, so it is thus selecting also vertical lines and diagonal lines who's start bounds is on the Z in relevance to the selection. Any suggestions for further defining the end bounds so that the script will only select lines only completely on the same XY plane as the selection?

                  3D Artist at Clearstory 3D Imaging
                  Guide Tool at Winning With Sketchup
                  Content Creator at Skapeup

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                  • B Offline
                    BTM
                    last edited by 3 Sept 2009, 01:07

                    @earthmover said:

                    Thanks BTM - that makes sense and I follow the logic behind the code. Perhaps I will try and find time to learn the language. I am good at obsessing and not so good at multi-tasking, so it may have to wait till the snow is falling and my work slows down.

                    Regarding the script, it indeed is working. However, it is not properly defining the edges end bounds. The script is selecting any edge which has one of the their bounds (verticies) corresponding with the selection, so it is thus selecting also vertical lines and diagonal lines who's start bounds is on the Z in relevance to the selection. Any suggestions for further defining the end bounds so that the script will only select lines only completely on the same XY plane as the selection?

                    Ah, here:

                    def selectedgesbyz()
                      model=Sketchup.active_model
                      ss=model.selection; edge=ss[0]; ss.clear
                      model.active_entities.each{|e|ss.add(e)if e.class==Sketchup;;Edge and (edge.start.position.z)== (edge.end.position.z) and (e.bounds.min.z)==(edge.start.position.z) and (e.bounds.max.z)==(edge.start.position.z)}
                    end#if
                    UI.menu("Plugins").add_item("Select Edges by Z"){selectedgesbyz} if not file_loaded?(File.basename(__FILE__))
                    file_loaded(File.basename(__FILE__))
                    
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                    • E Offline
                      EarthMover
                      last edited by 3 Sept 2009, 01:37

                      Thanks BTM! It's working great. I see defining the max bounds for the edges was the trick!

                      3D Artist at Clearstory 3D Imaging
                      Guide Tool at Winning With Sketchup
                      Content Creator at Skapeup

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                      • C Offline
                        conconbrr
                        last edited by 7 Aug 2010, 11:55

                        Hello,

                        I was searching for long for such a plugin. So, first of all thanks for it, it's quite useful to select all the contour lines at one level (topography).

                        I just wondered if it is possible to make a small improvement on the execution procedure.

                        In addition of the current method (select one edge or face and then execute the plugin), could it be possible to execute the plugin first and then enter a Z value on the VCB (I don't know if the name is correct, the little box on the right bottom ๐Ÿ˜‰) and finally validate with "enter"?

                        In order to keep the current method, the general procedure could be:

                        1. Execute the plugin
                        2. Enter a value on the VCB OR select an edge or a face
                        3. Push "enter"

                        At each step some short information could be displayed on the status bar.

                        I just discover ruby and its power and unfortunately I don't really have the time to learn it so that I can make this modification.

                        Thank you

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                        • R Offline
                          ricomon35
                          last edited by 2 Apr 2022, 02:51

                          Any chance to get a rbz version that can b installed in 2019 or higher?

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                          • BoxB Offline
                            Box
                            last edited by 2 Apr 2022, 11:55

                            The version in the extension store by Tig works in newer versions.

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