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Re: st: Post-editing of graphs by code?


From   "Scott Merryman" <scott.merryman@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Post-editing of graphs by code?
Date   Fri, 25 Jul 2008 10:11:29 -0500

Tobias,

A couple comments.

1.  To understand the context better, it would be nice to know what
type of graphs you are creating that need to be edited
post-production.  I assume, by the example you referenced, it is
editing -twoway, by()- graphs.  In your context, could you have used
-graph combine- ?

2.  The Recording (*.grec) files are simply text files.  They can be
opened up, examined and edited.  For example, wrapping the individual
graph titles produced with -by()- can be recorded and then the edits
can be incorporated into a do-file

sysuse auto, clear

label defin foreign 0 `"realy long" "title"' /*
               */  1 `""another" "long title""'
label value foreign foreign
twoway scatter pri mpg, by(foreign)

gr_edit .plotregion1.subtitle[1].text = {}
gr_edit .plotregion1.subtitle[1].text.Arrpush `"realy long"'
gr_edit .plotregion1.subtitle[1].text.Arrpush `"title"'

gr_edit .plotregion1.subtitle[2].text = {}
gr_edit .plotregion1.subtitle[2].text.Arrpush `"another"'
gr_edit .plotregion1.subtitle[2].text.Arrpush `"long title"'


3.  As to why -gr_edit- is not documented (or even undocumented) Stata
would have to reply.  Though the syntax seems a little unintuitive
(Arrpush??).  Perhaps Stata could develop some post-production
command-line editing tools or even better, would be to have more
control over the individual graph elements that are produced by
-twoway, by()-

Scott

On Thu, Jul 24, 2008 at 7:45 AM, Tobias Pfaff
<tobiaspfaff@uni-muenster.de> wrote:
>
> Thanks Scott! I hadn't downloaded all the Stata 10 updates and was thus not
> aware of the Graph Recorder.
>
> The code I was looking for is hidden in the .grec files. In my do-file, I
> can now remove the unwanted notes from the combined graph using code. This
> avoids opening the graph editor and using the cumbersome point-and-click
> method:
>
> gr_edit .plotregion1.graph1.note.draw_view.setstyle, style(no)
> gr_edit .plotregion1.graph2.note.draw_view.setstyle, style(no)
> gr_edit .plotregion1.graph3.note.draw_view.setstyle, style(no)
>
> I don't really get why Stata doesn't provide documentation for this
> graph-editing code. In my opinion, this gives Stata the ultimate flexibility
> for creating and editing graphs. The -graph addplot- was unfortunately too
> restricted for my needs. And the graph recorder is also not as flexible as
> coding can be.
>
> Cheers,
> Tobias
>
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