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    [Plugin]ArcCurve-set_segments.rb & changearcsegments 130830

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    • E Offline
      eskis
      last edited by

      great! great! great! that is what i was looking for!!!!!!
      thank you...

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      • A Offline
        ahnvtk
        last edited by

        I've tried making a script that automatically creates an 8-sided circle in a group at sketchup start, to see if all circles created by a user would then be 8-sided as well. They aren't - scripting an 8-sided circle still leaves the default sides at 24. 😞

        I tried changing the sides of a circle with this script as well - Sketchup still leaves the default at 24.

        How can I change the default sides of a circle? ❓

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        • TIGT Offline
          TIG Moderator
          last edited by

          You can't.
          😞

          TIG

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          • A Offline
            ahnvtk
            last edited by

            😞

            At least this script here just saved me time reducing polys from extruded circles.. thanks!

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            • B Offline
              boilingsnow
              last edited by

              TIG it's nice of you to share this with us. I think this ruby is very useful but it's convenient to use because everytime I have to type "changearcsegments NNN" in the ruby console...Why not make it possible to be added in the plugin menu and works with a popup window to type in the segment number.

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              • TIGT Offline
                TIG Moderator
                last edited by

                Edit the script with a plain-text editor [Notepad/Notepad++.exe] and add this code at the end

                unless file_loaded?(File.basename(__FILE__))
                  UI.menu("Plugins").add_item("Change Arc Segments"){
                    segments=inputbox(["Segments; "],[12],"Change Arc Segments")
                    changearcsegments(segments[0])if segments
                  }
                end
                file_loaded(File.basename(__FILE__))
                

                TIG

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                • B Offline
                  boilingsnow
                  last edited by

                  @tig said:

                  Edit the script with a plain-text editor [Notepad/Notepad++.exe] and add this code at the end

                  unless file_loaded?(File.basename(__FILE__))
                  >   UI.menu("Plugins").add_item("Change Arc Segments"){
                  >     segments=inputbox(["Segments; "],[12],"Change Arc Segments")
                  >     changearcsegments(segments[0])if segments
                  >   }
                  > end
                  > file_loaded(File.basename(__FILE__))
                  

                  Thank you!

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                  • L Offline
                    LorenzoS
                    last edited by

                    Hi!

                    Is Anyone so kind to tell me how to use this plug-in.

                    I get an error that says
                    Error Loading File ArcCurve-set_segments=.rb
                    no such file to load -- ArcCurveTests.rb

                    any help?

                    thx!
                    p.s.
                    I downloaded the script from the first post.

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                    • TIGT Offline
                      TIG Moderator
                      last edited by

                      It doesn't even use ArcCurveTests.rb or mention it in its code - in fact in earlier posts [in this thread] you are recommended to remove that very file from your Plugins folder, because changes to the API have meant that it might clash and updates of this tool no longer need it anyway.
                      So it is not 'required' by the recent versions of this script...
                      Your error message leads me to think that you have an old version of the tool loading...
                      Are you sure you have got the latest one in the Plugins folder? Windows Vista/Win7 can 'play tricks' if you don't have full access rights to the Plugins folder - it looks like you have added/updated a file/subfolder... but there's a 'Compatibility Files' button added to the folder's window-bar and they have actually gone into a side folder, IF you haven't got full security access rights to a folder [right-click context-menu Properties > Security]

                      Here's the latest version http://forums.sketchucation.com/viewtopic.php?p=158903#p158903
                      It has the Plugins menu item added to the code as discussed a few posts back...
                      Download the latest file from this link.
                      It should make a Plugins menu item which opens a dialog into which you type the number of arc segments required to process all selected arcs/circles...

                      TIG

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                      • T Offline
                        theotses
                        last edited by

                        Hi!

                        I downloaded the plugin and istalled it. I have a big drawing with many arcs and is nearly impossible to select them all. So i select the whole drawing as i imported it and then i use the plugin. But the plugin works only with some of the arcs and the others remain with the default number of segments.

                        How can i use the plugin on all the arcs?

                        Thank you in advance.

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                        • TIGT Offline
                          TIG Moderator
                          last edited by

                          SketchUp's Arcs/Circles can have their 'segmentation' set as they are made OR later on by using 'Entity Info', OR bu using this tool.
                          BUT Arcs that have been scaled, exploded into edges OR are now incorporated into 3d geometry [extrusions etc] are never changeable.
                          So if you can't change your Arc's segmentation using 'Entity Info', then you can't change it with anything else either: its properties have been fixed by your earlier actions.

                          TIG

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                          • T Offline
                            theotses
                            last edited by

                            I can change the segmentation from entity info but the arcs are too many. So I tried to select the whole drawing and change the segmentation with the tool but only few of the arcs got the segments I wanted.

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                            • TIGT Offline
                              TIG Moderator
                              last edited by

                              Wireframe mode will avoid picking faces, then select-by-fence, missing out anything that is obviously not an edge/curve...
                              Any errors in the Ruby Console ?

                              TIG

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                              • T Offline
                                theotses
                                last edited by

                                Thank you for your instant replies.

                                I don't have any faces in my model. I don't really understand what you mean with the fence selection. (This is my first model in SketchUp 😳 )

                                I don't get any errors at all. I just select all the lines and arcs (because i said in the first post that it is impossible to select every arc with clicks), then i use the plugin and i set the desired number of segments. Unfortunately not all the arcs get the number of segments I set in the plugin dialog box.

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                                • TIGT Offline
                                  TIG Moderator
                                  last edited by

                                  Can you attach your SKP to a post so we can see what's up...

                                  TIG

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                                  • T Offline
                                    theotses
                                    last edited by

                                    Thank you for your will to help me. As I understood the plugin can handle max 100 arcs at a time. I partially selected the whole model and everything was ok!

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                                    • TIGT Offline
                                      TIG Moderator
                                      last edited by

                                      Slight update - rev 'a' - http://sketchucation.com/forums/viewtopic.php?p=158903#p158903
                                      ArcCurveTes.rb added for compatibility with v7 etc...

                                      TIG

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                                      • M Offline
                                        mbastian
                                        last edited by

                                        First of all: I am NOT a programmer, so there is ZERO error handling on this quick-and dirty script. I had tried TIG's solution, but did not work on my DWG because some of the arcs would "clip" others as they were rebuilt by the script.

                                        So I wrote this small routine to:

                                        • loop through imported AutoCAD entities.
                                        • select curves and group them (individually)
                                        • create a more refined clone of the curve (the number of segments is controlled by two parameters. See script)
                                        • Delete the original curve.

                                        Anyone is welcome to turn this snippet into something better and more reusable.

                                        Best,
                                        Marcos.


                                        theModel = Sketchup.active_model
                                        #selEntities = theModel.selection

                                        theModel.selection.clear
                                        allEntities = theModel.entities

                                        Collect user values:

                                        prompts = ["Minimum number of segments:", "Minimum Segment Length:"]
                                        defaults = [36, 10]
                                        input = UI.inputbox(prompts, defaults, "Enter Desired Settings")

                                        #set minimum length for each arc segment (in model units)
                                        userSegs = input[0]
                                        minLen = input[1]

                                        #UI.messagebox(userSegs.to_s)
                                        #UI.messagebox(minLen.to_s)

                                        allEntities.each do |i|
                                        if (i.typename == "Edge")
                                        aCurve = i.curve
                                        if (aCurve)
                                        Sel = theModel.selection unless defined?(Sel)
                                        Sel.add (aCurve.edges)
                                        newGroup = allEntities.add_group (theModel.selection)
                                        Sel.clear
                                        else
                                        #not a Curve
                                        end
                                        end
                                        end

                                        theModel = Sketchup.active_model
                                        theModel.selection.clear
                                        allEntities = theModel.entities

                                        Loop through all entities

                                        allEntities.each do |i|

                                        #open Groups, search for Curves
                                        if (i.typename == "Group")

                                        #Loop through array of Entities inside each Group
                                        subset = i.entities
                                        subset.each do |s|
                                        curve = s.curve

                                        if it is a curve, collect a few properties

                                        if (curve)

                                        get coord. transformation, since entities are in a group

                                        #use "transform" below to translate to global coordinates
                                        tr=i.transformation

                                        cCenter = curve.center.transform! (tr)
                                        cSangle = curve.start_angle
                                        cEangle = curve.end_angle
                                        cRadius = curve.radius
                                        cNormal = curve.normal.transform! (tr)
                                        cXaxis = curve.xaxis.transform! (tr)
                                        cYaxis = curve.yaxis.transform! (tr)

                                        cLength = curve.length
                                        #UI.messagebox(" Curve Length is " + cLength.to_s)

                                        #divides arcs in minLen(model unit) increments
                                        divSegs = (cLength / minLen).to_i
                                        #UI.messagebox("Divided Result is " + divSegs.to_s)

                                        #for very small arcs, sets a minimum number of segments
                                        if (divSegs <= userSegs)
                                        numSegs = userSegs

                                        UI.messagebox("Using: " + numSegs.to_s)

                                        else
                                        #subdivides larger arcs using target length
                                        numSegs = divSegs.to_i

                                        UI.messagebox("using Divided total" + numSegs.to_s)

                                        end

                                        myarc = allEntities.add_arc cCenter,cXaxis,cNormal,cRadius,cSangle,cEangle,numSegs
                                        #Erases original
                                        i.erase!

                                        end # if curve

                                        end # entities inside group loop

                                        end # if it is a group

                                        end #loop through all entities

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