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    [code] ruby-dxf-reader

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    • Chris FullmerC Offline
      Chris Fullmer
      last edited by

      Very cool Jim. I'll probably be digging into this script more later this summer. Excellent work!

      Lately you've been tan, suspicious for the winter.
      All my Plugins I've written

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      • Dan RathbunD Offline
        Dan Rathbun
        last edited by

        FYI.. I checked Rubyforge and Rubygems to see if anyone had previously created a DXF or DWG Ruby class/module, but got no hits.

        I was surprised that noone has done this before !

        I'm not here much anymore.

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        • thomthomT Offline
          thomthom
          last edited by

          It'd be nice of it was possible to generate some documentation from the code. RDoc or Yard for instance. (I prefer Yard)
          Is that something you'd also accept contributions for?

          Thomas Thomassen β€” SketchUp Monkey & Coding addict
          List of my plugins and link to the CookieWare fund

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          • thomthomT Offline
            thomthom
            last edited by

            Which reference to the DXF format do you use?

            Thomas Thomassen β€” SketchUp Monkey & Coding addict
            List of my plugins and link to the CookieWare fund

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            • J Offline
              Jim
              last edited by

              @thomthom said:

              Which reference to the DXF format do you use?

              I've been reading the latest and the oldest I could find. It appears the latest versions of the dxf file format are backwards compatible with the earliest as far as parsing the files. New entity types have been added in later versions, new codes have been used, but the algorithm for reading the file and transforming the entities into useful objects should work for all versions of dxf.

              It remains to be seen if the various versions of the file format will require different methods for drawing the entities. So far in testing, the version appears not to be an issue.

              @thomthom said:

              It'd be nice of it was possible to generate some documentation from the code. RDoc or Yard for instance. (I prefer Yard)
              Is that something you'd also accept contributions for?

              Absolutely. I was looking at rdoc and yard and based on syntax and features, yard is the one I was likely to go with.

              @dan rathbun said:

              I was surprised that noone has done this before !

              Same here. There are one or two readers written in python, but nothing for Ruby.

              Hi

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              • thomthomT Offline
                thomthom
                last edited by

                Yard supports the RDoc syntax - but adds some more explicit structure to it. Been using it for TT_Lib2 and some other project now. I've found it very useful to generate a lookup resource I can use.

                http://www.thomthom.net/software/sketchup/tt_lib2/doc/

                Thomas Thomassen β€” SketchUp Monkey & Coding addict
                List of my plugins and link to the CookieWare fund

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                • thomthomT Offline
                  thomthom
                  last edited by

                  Another thing that might help collaboration is if variables got some more descriptive names other than a single character. Would make it easier to deduce the flow of the code without tracking it all the way to its root.

                  Thomas Thomassen β€” SketchUp Monkey & Coding addict
                  List of my plugins and link to the CookieWare fund

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                  • J Offline
                    Jim
                    last edited by

                    c, v = code and value throughout the code. They are the group code and value pair which are the "atoms" on which a dxf file is composed.

                    Dxf objects are collections of (code,value) pairs. However, some values may be a single item while others may be a list of items (implemented as an Ruby Array.)

                    The code also determines the type of the value; i.e. Integer, Float, or String.

                    In general, I agree that using more descriptive names would help understanding. πŸ‘

                    Hi

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                    • thomthomT Offline
                      thomthom
                      last edited by

                      Ok good. Just trying to catch up to it's flow.

                      Thomas Thomassen β€” SketchUp Monkey & Coding addict
                      List of my plugins and link to the CookieWare fund

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                      • DavidBoulderD Offline
                        DavidBoulder
                        last edited by

                        Jim, what is the licencing like on ruby-dxf-reader? In particular I'm wondering if it could be included in the code base for an open source project http://openstudio.nrel.gov/ or if it could be used in a measure (our equivalent of a plugin) on the Building Component Library https://bcl.nrel.gov/. We already support gbXML as an import option, but I'd like to support DXF as well so almost any modeling tool can be used as a starting point.

                        David

                        --

                        David Goldwasser
                        OpenStudio Developer
                        National Renewable Energy Laboratory

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                        • J Offline
                          Jim
                          last edited by

                          Hi David,

                          I put it up on GitHub.

                          Hi

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                          • DavidBoulderD Offline
                            DavidBoulder
                            last edited by

                            @jim said:

                            Hi David,

                            I put it up on GitHub.

                            Thanks!! I'll check it out this weekend.

                            David

                            --

                            David Goldwasser
                            OpenStudio Developer
                            National Renewable Energy Laboratory

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