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    SketchUp RUBY API Wishlist [way of coding wishes, please]

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    • T Offline
      tomasz
      last edited by

      Selection display bug to be fixed, please.

      Author of [Thea Render for SketchUp](http://www.thearender.com/sketchup)

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      • J Offline
        Jim
        last edited by

        Something I have been wanting to do is write a suite of general-purpose Observers based on the built-in ones. Most of the Observers are designed to be attached to a specific entity in a model (or to THE model) - the SelectionObserver, for example is attached to a model's selection collection. It just seems inefficient and error-prone for each plugin author who needs one to implement their own SelectionObserver when a single instance can handle all requests.

        So, I guess I'm really proposing a simplified API for using Observers.

        The way I see this API working is that a plugin would 'require' the observer file, which would create a single Observer instance. Then the plugin would 'register' methods in the form of blocks (or procs?). In my experiments, I used the Ruby Singleton class to ensure there is ever only one instance created.

        Here is how I see the API being used (without getting into the details of the implementation):

        
        # My Plugin
        require 'app_observer' # Global AppObserver instance created
        def hello(args)
          puts "Hello #{args}"
        end
        # Register hello() to be called for an onNewModel event
        id = AppObserver.instance.register("onNewModel") {|args| hello(args) }
        # AppObserver attaches itself when its registry goes from 0 to >0 elements
        ...
        AppObserver.instance.unregister(id) # stop calling hello for onNewModel event
        # AppObserver detaches itself when its registry falls to 0 elements.
        
        

        It really simplifies using Observers, which in turn could allow authors to create better plugins, with more advanced features, in a shorter time. It may also save on resources by having one and only one instance of most of the Observers (confirm?)

        (related post)

        Hi

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        • D Offline
          david.
          last edited by

          Jim,

          Nice idea. Also, I'm curious if you mixed in the Singleton module to implement your singletons? I've found that I can't require a library module like Singleton unless I point directly to my Ruby installation directories. I realize that this isn't required to implement singletons, but it seems the most simple and consistent.

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          • J Offline
            Jackson
            last edited by

            Welcome to SCF Scott, it's great to see your involvement here!

            Jackson

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            • scottliningerS Offline
              scottlininger
              last edited by

              @jim said:

              Something I have been wanting to do is write a suite of general-purpose Observers based on the built-in ones.

              This is a fantastic idea. Attaching observers reliably to every component instance, for example, is challenging. So a helper script is one approach... another would be to create some uber-observers at the Sketchup level. Obviously, there are potential performance concerns with any of these.

              • Scott Lininger
                SketchUp Software Engineer
                Have you visited the Ruby API Docs?
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              • JClementsJ Offline
                JClements
                last edited by

                A standard for displaying script documentation, besides their description, in the menus:

                The ruby filename, creator, version level; basically an "about" display for each script. Optional info could be copyright info, contact (email) link, website link, and display of a help file on a local drive.

                =============================================

                An easier way to organize scripts in a user defined menu (there are scripts that do this now, but I wouldn't call them user friendly)

                John | Illustrator | Beaverton, Oregon

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                • T Offline
                  tomasz
                  last edited by

                  New method for a texture, very useful for exporters.
                  texture.alpha_channel? -> (true or false)

                  Author of [Thea Render for SketchUp](http://www.thearender.com/sketchup)

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                  • W Offline
                    Whaat
                    last edited by

                    @unknownuser said:

                    New method for a texture, very useful for exporters.
                    texture.alpha_channel? -> (true or false)

                    Ooohhh..that reminds me:

                    How about a method that samples the texture color on a face?

                    face.color_at(u,v)->returns a SketchUp::Color object.

                    Could be used for displacement mapping inside SketchUp for example.

                    SketchUp Plugins for Professionals

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                    • J Offline
                      Jim
                      last edited by

                      @david. said:

                      Jim,

                      Nice idea. Also, I'm curious if you mixed in the Singleton module to implement your singletons? I've found that I can't require a library module like Singleton unless I point directly to my Ruby installation directories. I realize that this isn't required to implement singletons, but it seems the most simple and consistent.

                      Hi David,

                      Yes, I used the singleton class from Ruby. I copied singleton.rb from the Ruby language installation to a 'ruby' folder in my Sketchup/Plugins folder. The Ruby singleton is very easy to use, and was simply the best and fastest solution. I think there are a few other files from the installed Ruby files that I needed also.

                      Hi

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                      • M Offline
                        morisdov
                        last edited by

                        Hello

                        Inside SketchUp it works fine but when creating an AVI file with Export -> Animation
                        the - Sketchup::Pages.add_frame_change_observer - is not firing between frames.

                        Is there anything i should change or another observer i can use between frames in Export Animation ?

                        301 Moved Permanently

                        favicon

                        (www.sketchucation.com)

                        Thanks

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                        • J Offline
                          Jim
                          last edited by

                          One of the more important things that could be done using the Ruby API, and which would benefit nearly all users is a unified API for menus and toolbars. I don't mean being able to lock toolbars; I mean the possibility to provide menu and toolbar customization using a "Menu & Toolbar Editor" within SketchUp.

                          The need is apparent in CadFather's Toolbar plugins; where he creates a collection of scripts and adds toolbar buttons for them. Although these are nice toolbars, they are going to prove difficult to maintain as scripts are updated and obsoleted.

                          Really, there would need to be some registry that would:

                          • "install" a plugin so that is is not located in the Plugins folder, and so not automatically loaded.
                          • allow un-modified plugins to continue to function.
                          • allow new/modified plugins to create new, or be added to, existing menus, submenus, and toolbars.
                          • handle the creation of menus and toolbars at startup.

                          The possibilities are fantastic, if you let your mind run wild:

                          • allow menu/toolbars "sets" to be created.
                          • allow plugins to be downloaded as-needed, or used online. (zero install: net_require "progrsssbar.rb")
                          • check new versions of plugins online, and upgrade.

                          Of course, I do not mean to remove the ability for developers to create their own menu or toolbars. But even if it's just for the numerous scripts that are single-menu, or single-button plugins, this would be an improvement.

                          (related post)

                          Hi

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                          • M Offline
                            Matt666
                            last edited by

                            Hi guys !
                            I wish one day, we would have access to print parameters via ruby... One day... πŸ˜„

                            Frenglish at its best !
                            My scripts

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                            • T Offline
                              tomasz
                              last edited by

                              An important wish for ALL exporters, I believe:

                              • a method to read a cropped region in 2point perspective view.
                                As far as I am aware, currently there is no way to read it!

                              Please!

                              Author of [Thea Render for SketchUp](http://www.thearender.com/sketchup)

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                              • T Offline
                                tomasz
                                last edited by

                                A Ruby method that will give us a real UVW coordinates of a projected texture, so exporters could use a single, original texture, instead of say 200 small textures of a photo mapped terrain.

                                Author of [Thea Render for SketchUp](http://www.thearender.com/sketchup)

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                                • chrisglasierC Offline
                                  chrisglasier
                                  last edited by

                                  A switch (if it does not exist) to activate a ruby on selection of an entity or entities to allow interaction with a webdialog.

                                  See:
                                  http://www.sketchucation.com/forums/scf/viewtopic.php?f=180&t=14299

                                  Thanks

                                  Chris

                                  With TBA interfaces we can analyse what is to be achieved so that IT can help with automation to achieve it.

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                                  • TIGT Offline
                                    TIG Moderator
                                    last edited by

                                    @chrisglasier said:

                                    A switch (if it does not exist) to activate a ruby on selection of an entity or entities to allow interaction with a webdialog.

                                    See:
                                    http://www.sketchucation.com/forums/scf/viewtopic.php?f=180&t=14299

                                    Thanks

                                    Chris

                                    Search v7..............

                                    TIG

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                                    • N Offline
                                      notareal
                                      last edited by

                                      @unknownuser said:

                                      A Ruby method that will give us a real UVW coordinates of a projected texture, so exporters could use a single, original texture, instead of say 200 small textures of a photo mapped terrain.

                                      πŸ‘ Agree!

                                      Welcome to try [Thea Render](http://www.thearender.com/), Thea support | [kerkythea.net](http://www.kerkythea.net/) -team member

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                                      • C Offline
                                        confitex architure
                                        last edited by

                                        Hi ScottLininger.
                                        Not realy a ruby way of coding, but almost...
                                        I mentionned it in an another post: It would be so nice to retrieve a variable from a model into a dynamic component's attribute instead of the opposit (right now, if I understand well, it is only possible to "export" and to make a code to fill the DC's attribute).

                                        By the way, I would be very glad if we could learn from your famous animated "sprite" code πŸ˜„

                                        Thanks!!!

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                                        • M Offline
                                          MarcioAB
                                          last edited by

                                          Access to Model.open ( open method of Model class ) as presented in this topic1 and this topic2.

                                          Thank you

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                                          • J Offline
                                            jessejames
                                            last edited by

                                            hello Scott,
                                            Thanks for your interest in helping out. That game you made was pretty cool.

                                            I would like to see some convience methods like in the Blender API. This may not be appealing to Gurus but might be quite helpful to the new rubyist. Something like...

                                            
                                            obj.LocX --> (0,0,0)
                                            obj.LocX += 20
                                            obj.LocX --> (20,0,0)
                                            obj.loc = 0,0,0 #set loc
                                            obj.getMatrix()
                                            
                                            

                                            i am also wondering why there is no way to do simple and dirty animations, like...

                                            
                                            Loop
                                                obj.LocX += 10
                                                sleep(.02)
                                                SU.Redraw()
                                            
                                            

                                            I really like most of the SU API's layout compared to Blender, except the Transformation module, it seems a little clumsy. But i might be missing something important. I am not an engineer, just a real brave lad, thats all.

                                            So if you want to enlighten me, feel free πŸ˜„

                                            Always sleep with a loaded gun under your pillow!

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