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    [Plugin] Boolean helper update 08122011

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    • D Offline
      driven
      last edited by

      liquid,

      the "X" factor is good... (but not the TV show)

      john

      learn from the mistakes of others, you may not live long enough to make them all yourself...

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      • TIGT Offline
        TIG Moderator
        last edited by

        You don't need to 'select-all' in the code, just use model.entities.to_a as the collection of things to transform in the scale up/down - that way everything gets caught in the scaling up/down changes.

        A screen-note wouldbe useful to remind you that you have scaled... then the code can erase it when you've scaled down...

        TIG

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        • D Offline
          d12dozr
          last edited by

          👍 I like where this is going!

          3D Printing with SketchUp Book
          http://goo.gl/f7ooYh

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          • liquid98L Offline
            liquid98
            last edited by

            @ TIG

            yeah, "select all" is user language.

            model.entities.to_a = programmers language 😉

            Things that flourish fall into decay. This is not-Tao, And what is not-Tao soon ends ~ Lao tse

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            • liquid98L Offline
              liquid98
              last edited by

              Working on the feedback of the scale action (X = one time scaled up XX =two times etc.)
              I have some variable (array) filled with X characters. Its called $xfeedback

              To put it on screen I use:

              @xnote = model.add_note $xfeedback.to_s, 0.01, 0.02.

              That works. But to update it I would like to delete the screen-note entity before showing it again like this:

              model = Sketchup.active_model entities = model.active_entities entities.erase_entities(@xnote) if @xnote

              I know to delete something with erase_entities it has to be an array. So I tried also this:
              entities.erase_entities(@xnote.to_a) if @xnote

              but it's not working.

              Code structure is like this:

              <span class="syntaxdefault"><br />require </span><span class="syntaxstring">'sketchup.rb'<br /><br /></span><span class="syntaxdefault">$xfeedback </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">[</span><span class="syntaxstring">"X"</span><span class="syntaxkeyword">,</span><span class="syntaxstring">"X"</span><span class="syntaxkeyword">,</span><span class="syntaxstring">"X"</span><span class="syntaxkeyword">,</span><span class="syntaxstring">"X"</span><span class="syntaxkeyword">]</span><span class="syntaxdefault">  </span><span class="syntaxcomment"># Test situation presuming 4 times scaled up.<br /><br /></span><span class="syntaxdefault">module Test<br /><br />class Scaledown<br />    <br /><br />def initialize</span><span class="syntaxkeyword">()</span><span class="syntaxdefault"> <br />         </span><span class="syntaxcomment"># Scaling action<br /></span><span class="syntaxdefault">         <br />     model </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> Sketchup</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">active_model<br />     entities </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> model</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">entities<br />     if entities</span><span class="syntaxkeyword">[</span><span class="syntaxdefault">0</span><span class="syntaxkeyword">]</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">!=</span><span class="syntaxdefault"> nil<br />    <br />    l </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> $xfeedback</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">length</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">to_i </span><span class="syntaxkeyword">-</span><span class="syntaxdefault"> 1  <br />    $xfeedback</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">delete_at</span><span class="syntaxkeyword">(</span><span class="syntaxdefault">l</span><span class="syntaxkeyword">)<br /></span><span class="syntaxdefault">    <br />     model </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> Sketchup</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">active_model<br />    entities </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> model</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">active_entities<br />    entities</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">erase_entities</span><span class="syntaxkeyword">(@</span><span class="syntaxdefault">xnote</span><span class="syntaxkeyword">)</span><span class="syntaxdefault"> if </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">xnote<br /><br />    </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">xnote </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> model</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">add_note $xfeedback</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">to_s</span><span class="syntaxkeyword">,</span><span class="syntaxdefault"> 0.01</span><span class="syntaxkeyword">,</span><span class="syntaxdefault"> 0.02<br /><br /><br /><br />    else <br />    nil<br />    end</span><span class="syntaxcomment">#if<br /><br /><br /><br /><br /><br /><br /></span><span class="syntaxdefault">end</span><span class="syntaxcomment">#def<br /></span><span class="syntaxdefault">end</span><span class="syntaxcomment">#class<br /></span><span class="syntaxdefault">end</span><span class="syntaxcomment">#module             &nbsp;</span><span class="syntaxdefault"></span>
              

              Please help

              Things that flourish fall into decay. This is not-Tao, And what is not-Tao soon ends ~ Lao tse

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              • TIGT Offline
                TIG Moderator
                last edited by

                Shouldn't it be @@xnote ?
                Anyway, something like...
                entities.erase_entities(@xnote)
                should work... or use [@xnote] to make it an array, if it MUST be one (?)...
                However, this will work too
                @xnote.text='newtext'
                to change it ???

                TIG

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                • D Offline
                  driven
                  last edited by

                  may not be of any help, but

                  when you create a screen note SU creates a new Text entity (each time)

                  "#Sketchup::Text:0x1ef0a000", "#Sketchup::Text:0x1f0131a4", etc...

                  so I guess if you capture those you can delete them.

                  john

                  learn from the mistakes of others, you may not live long enough to make them all yourself...

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                  • liquid98L Offline
                    liquid98
                    last edited by

                    Hello friends,

                    I made some improvements to the boolean-helper plugin:

                    • it scales everything in the model
                    • it gives feedback on the total scale-factor
                    • it auto zooms to the model-extents.

                    But I need some help:

                    When the model is scaled up, feedback is generated in the form of a sketchup::text
                    entity. My problem: when the the model is deleted (not select all), the text entity remains on the screen ( entities[0]) while there is no model.

                    So I have to monitor that.

                    How do I do that??

                    I came up with this solution:

                    <span class="syntaxdefault">if  entities</span><span class="syntaxkeyword">[</span><span class="syntaxdefault">0</span><span class="syntaxkeyword">].</span><span class="syntaxdefault">class </span><span class="syntaxkeyword">==</span><span class="syntaxdefault"> Sketchup</span><span class="syntaxkeyword">;;</span><span class="syntaxdefault">Text </span><span class="syntaxkeyword">&&</span><span class="syntaxdefault"> entities</span><span class="syntaxkeyword">[</span><span class="syntaxdefault">1</span><span class="syntaxkeyword">]</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">==</span><span class="syntaxdefault"> nil<br />         </span><span class="syntaxkeyword">@@</span><span class="syntaxdefault">xnote </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> entities</span><span class="syntaxkeyword">[</span><span class="syntaxdefault">0</span><span class="syntaxkeyword">]<br /></span><span class="syntaxdefault">         </span><span class="syntaxkeyword">@@</span><span class="syntaxdefault">notetext </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> </span><span class="syntaxstring">"   "<br /></span><span class="syntaxdefault">         </span><span class="syntaxkeyword">@@</span><span class="syntaxdefault">xnote </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> model</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">add_note </span><span class="syntaxkeyword">@@</span><span class="syntaxdefault">notetext</span><span class="syntaxkeyword">,</span><span class="syntaxdefault"> 0.01</span><span class="syntaxkeyword">,</span><span class="syntaxdefault"> 0.99</span>
                    

                    But if I put this code in booleanhelper.rb it only runs when the user invokes it.
                    While it has to run all the time.

                    I've also read something about Sketchup::EntityObserver. Is that relevant in this case???

                    Thnx for your help

                    Things that flourish fall into decay. This is not-Tao, And what is not-Tao soon ends ~ Lao tse

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                    • mitcorbM Offline
                      mitcorb
                      last edited by

                      Well, for those who work in Imperial units==inches, it would be cool if you could set the scale factor to overcome the small faces problem but type in the VCB the same numbers as you would if you had not scaled it. Basically, to do away with a bunch of mental math for every value. When finished, reset the scale factor to 1. There's a flaw here somewhere??

                      I take the slow, deliberate approach in my aimless wandering.

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                      • liquid98L Offline
                        liquid98
                        last edited by

                        @mitcorb said:

                        Well, for those who work in Imperial units==inches, it would be cool if you could set the scale factor to overcome the small faces problem but type in the VCB the same numbers as you would if you had not scaled it.

                        Hi mitcorb,

                        That's a nice idea, but I have no clue to achieve it..

                        Indeed, the script I'm working on scales up as much as you want and than scales everything down to scalefactor 1.
                        In scaled up state there's a screen-note reference to the actual scale-factor.

                        Things that flourish fall into decay. This is not-Tao, And what is not-Tao soon ends ~ Lao tse

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                        • TIGT Offline
                          TIG Moderator
                          last edited by

                          Liquid98

                          About the screen-text...
                          Do you mean that it disappears if there is suddenly no other model geometry ?
                          As soon as any new geometry is added it should reappear ??
                          I don't see the problem ? On the rare occasions when the user has deleted the entire model [and why would they do that?] the scaling becomes irrelevant anyway, so they can just delete it ?

                          To spot if the only thing left is your screen-text and then erase with an observer to watch for this use

                          
                          class OnlyScreenTextLeftEntitiesObserver < Sketchup;;EntitiesObserver
                            def onEraseEntities(entities)
                              return if entities[1]
                              entities[0].erase! if entities[0].class==Sketchup;;Text and entities[0].text==$xfeedback.to_s ###??
                            end
                          end
                          # Attach the observer - do this once at startup
                          Sketchup.active_model.entities.add_observer(OnlyScreenTextLeftEntitiesObserver.new)
                          
                          

                          TIG

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                          • liquid98L Offline
                            liquid98
                            last edited by

                            Hi TIG,

                            @tig said:

                            I don't see the problem ? On the rare occasions when the user has deleted the entire model [and why would they do that?] the scaling becomes irrelevant anyway, so they can just delete it ?

                            I admit, that situation won't occur very often. But I only want to tackle it to learn new stuff... 😛

                            When I put your code in a .rb file, like this:

                            <span class="syntaxdefault">    require </span><span class="syntaxstring">'sketchup.rb'<br /><br /></span><span class="syntaxdefault">    class OnlyScreenTextLeftEntitiesObserver </span><span class="syntaxkeyword"><</span><span class="syntaxdefault"> Sketchup</span><span class="syntaxkeyword">;;</span><span class="syntaxdefault">EntitiesObserver<br />      def onEraseEntities</span><span class="syntaxkeyword">(</span><span class="syntaxdefault">entities</span><span class="syntaxkeyword">)<br /></span><span class="syntaxdefault">    UI</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">messagebox </span><span class="syntaxstring">"OK"<br /></span><span class="syntaxdefault">     end<br />    end<br />  <br />   <br />    Sketchup</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">active_model</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">entities</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">add_observer</span><span class="syntaxkeyword">(</span><span class="syntaxdefault">OnlyScreenTextLeftEntitiesObserver</span><span class="syntaxkeyword">.new)</span><span class="syntaxdefault"> </span>
                            

                            and then start sketchup, create some entities and delete them,

                            Nothing happens... Why??

                            Things that flourish fall into decay. This is not-Tao, And what is not-Tao soon ends ~ Lao tse

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                            • TIGT Offline
                              TIG Moderator
                              last edited by

                              Well if it did work every time you erased something you'd get the messagebox...
                              The EntitesObserver is known to be buggy... if we did get it to work and erased an entity within it it'd probably crash anyway - so my snippet probably wasn't the best idea 😒
                              How about using a selectionObserver...onBulkChange() - you select the things and then erase them and the selection changes... and then looking at model.entities if no [1] and [0] meets test erase it ...
                              http://code.google.com/apis/sketchup/docs/ourdoc/selectionobserver.html

                              TIG

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                              • liquid98L Offline
                                liquid98
                                last edited by

                                I updated the booleanhelper plugin! Please see the first post of this topic.

                                Things that flourish fall into decay. This is not-Tao, And what is not-Tao soon ends ~ Lao tse

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                                • D Offline
                                  driven
                                  last edited by

                                  hi,

                                  I believe I just exposed a bug, doing another testhttp://forums.sketchucation.com/viewtopic.php?f=180&t=38858&p=354541#p354541

                                  when I have 'auto paint tool' Mac preference set, your twee tekst and LEEEEEG message boxes pop up every time I select or delete something even though I wasn't using your tool.

                                  appears to be "Sketchup::SelectionObserver" related.

                                  I'd rather use this then that, but I'd like the option of both...

                                  cheers

                                  john

                                  learn from the mistakes of others, you may not live long enough to make them all yourself...

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                                  • liquid98L Offline
                                    liquid98
                                    last edited by

                                    Hi John,

                                    Just download and install latest version -see first post of this topic.

                                    Good luck!

                                    Things that flourish fall into decay. This is not-Tao, And what is not-Tao soon ends ~ Lao tse

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                                    • D Offline
                                      driven
                                      last edited by

                                      cheers,
                                      I'll let you know if I have any issues,,,

                                      john

                                      learn from the mistakes of others, you may not live long enough to make them all yourself...

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                                      • C Offline
                                        CT4
                                        last edited by

                                        Thank you Thank you Thank you. I model small parts for RC aircraft and run into so many problems when I try and lathe them or intersect them. This fixes all of the problems.

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                                        • liquid98L Offline
                                          liquid98
                                          last edited by

                                          It's always nice to hear that my script helped you out! Apparently it works also on a Mac; never tested it 🎉 🎉

                                          Things that flourish fall into decay. This is not-Tao, And what is not-Tao soon ends ~ Lao tse

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                                          • cottyC Offline
                                            cotty
                                            last edited by

                                            Thank you for this helpful plugin!

                                            my SketchUp gallery

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