Re: English and Dutch version of a Graphviz picture

[Robert Klein <roklein@roklein.de>]

Hi Cecil,

On Sun, 2 Sep 2018 15:27:29 +0200
Cecil Westerhof <cldwesterhof@gmail.com> wrote:

> 2018-09-01 17:04 GMT+02:00 Robert Klein <roklein@roklein.de>:
> 
> > On Sat, 1 Sep 2018 12:38:54 +0200
> > Cecil Westerhof <cldwesterhof@gmail.com> wrote:
> >  
> > > I have the following:
> > > #+BEGIN_SRC dot :file Graphviz/habitLoop.png :cmdline -Kfdp -Tpng
> > > digraph habitLoop {
> > >     bgcolor = steelblue
> > >     edge [penwidth = 4.0 ]
> > >     node [fontcolor = white, fontsize = 60, style = filled]
> > >
> > >     spur   [pos = "4,4!" color = red]
> > >     habit  [pos = "7,1!" color = darkgreen]
> > >     reward [pos = "1,1!" color = blue]
> > >
> > >     spur:e   -> habit:n
> > >     habit:w  -> reward:e
> > >     reward:n -> spur:w
> > >
> > >     copyright [
> > >                 pos       = "4,.75!"
> > >                 color     = steelblue,
> > >                 fontcolor = black,
> > >                 fontsize  = 14,
> > >                 label     = "© Cecil
> > > Westerhof\nTimeManagement@Decebal.nl", shape     = plaintext
> > >               ]
> > >
> > >     spur   [label = "Spur"]
> > >     habit  [label = "Habit"]
> > >     reward [label = "Reward"]
> > > }
> > > #+END_SRC
> > >
> > > But I also want to have a Dutch version. So I also have:
> > > #+BEGIN_SRC dot :file Graphviz/gewoonteLoop.png :cmdline -Kfdp
> > > -Tpng digraph habitLoop {
> > >     bgcolor = steelblue
> > >     edge [penwidth = 4.0 ]
> > >     node [fontcolor = white, fontsize = 60, style = filled]
> > >
> > >     spur   [pos = "4,4!" color = red]
> > >     habit  [pos = "7,1!" color = darkgreen]
> > >     reward [pos = "1,1!" color = blue]
> > >
> > >     spur:e   -> habit:n
> > >     habit:w  -> reward:e
> > >     reward:n -> spur:w
> > >
> > >     copyright [
> > >                 pos       = "4,.75!"
> > >                 color     = steelblue,
> > >                 fontcolor = black,
> > >                 fontsize  = 14,
> > >                 label     = "© Cecil
> > > Westerhof\nTimeManagement@Decebal.nl", shape     = plaintext
> > >               ]
> > >
> > >     spur   [label = "Prikkel"]
> > >     habit  [label = "Gewoonte"]
> > >     reward [label = "Beloning"]
> > > }
> > > #+END_SRC
> > >
> > > The only difference are the three label statements. Can this be
> > > done more efficient? Because now I need to do updates at two
> > > places. That is an accident waiting to happen.
> > >  
> >
> >
> > There's a complicated solution (like, using variables from tables)
> > at
> > https://orgmode.org/worg/org-contrib/babel/languages/ob-doc-dot.html
> >
> > In your case you might want to use noweb (see
> > https://orgmode.org/org.html#Noweb-reference-syntax).  Then your
> > code might look like this:
> >
> > #+Name: habitloop-main
> > #+BEGIN_SRC dot
> >     bgcolor = steelblue
> >     edge [penwidth = 4.0 ]
> >     node [fontcolor = white, fontsize = 60, style = filled]
> >
> >     spur   [pos = "4,4!" color = red]
> >     habit  [pos = "7,1!" color = darkgreen]
> >     reward [pos = "1,1!" color = blue]
> >
> >     spur:e   -> habit:n
> >     habit:w  -> reward:e
> >     reward:n -> spur:w
> >
> >     copyright [
> >                 pos       = "4,.75!"
> >                 color     = steelblue,
> >                 fontcolor = black,
> >                 fontsize  = 14,
> >                 label     = "© Cecil
> >     Westerhof\nTimeManagement@Decebal.nl",
> >                 shape     = plaintext
> >               ]
> > #+END_SRC
> >
> >
> > #+BEGIN_SRC dot :file gewoonteLoop.png :cmdline -Kfdp -Tpng :noweb
> > yes digraph habitLoop {
> >     <<main-loop>>
> >     spur   [label = "Prikkel"]
> >     habit  [label = "Gewoonte"]
> >     reward [label = "Beloning"]
> > }
> > #+END_SRC
> >
> > #+RESULTS:
> > [[file:gewoonteLoop.png]]
> >
> > #+BEGIN_SRC dot :file habitLoop.png :cmdline -Kfdp -Tpng :noweb yes
> > digraph habitLoop {
> >     <<main-loop>>
> >     spur   [label = "Spur"]
> >     habit  [label = "Habit"]
> >     reward [label = "Reward"]
> > }
> > #+END_SRC
> >  
> 
> I tried this, but I did not get it to work. Maybe something in my
> configuration is wrecking havoc on me. I have to play with it a bit
> more I am afraid.

Did you C-c C-c on the two smaller snippets (not on the main-loop part)?


Best regards
Robert



> 
> > Note, for better looks I put the whole surrounding block in the
> > language-specific parts (the “digraph”-line could be in the
> > “habitloop-main” block, too).
> >
> >
> > When your code gets more involved this can get ugly, fast.  Then
> > you'll probably have to go the elisp way.
> >  
> 
> For the moment I do not think it will get more involved very soon,
> but you never know. Maybe the elisp route is not a bad idea.
>