SOLVED: xfig in LyX > no special flag choosable

[Wolfgang Engelmann]

Am 31.08.22 um 10:16 schrieb Wolfgang Engelmann:
> 
> 
> Am 30.08.22 um 10:10 schrieb Wolfgang Engelmann:
>>
>>
>> Am 27.08.22 um 13:59 schrieb Wolfgang Engelmann:
>>> Slightly OT:
>>> Is somebody using xfig in LyX? I can't find in the Text Flags the 
>>> special flag, only
>>>
>>> hidden
>>> rigid
>>> tex
>>>
>>> Do I miss something besides the xfig program (version 3.2.8)?
>>
>> Would like to come back to this question.
>> Apparently the version of Xfig is now using Tex flag TEX in the Tex 
>> flags instead of special flag.
>> I selected and set it.
>>
>> I have included a lyx file with an xfig included.
>>
>> I had exported from the fig file the three files also included.
>>
>> I expected after running lyx to get a pdf output with the Delta and 
>> Psi in Greek. However, there are still $\Delta$ and $\Psi$
>>
>> my lyx under Debian Bullseye is
>> Version 2.4.0dev (not released yet)
>> Built from git commit hash 53ed3dc0
>> Qt Version (run-time): 5.15.2 on platform xcb
>> Qt Version (compile-time): 5.15.2
>> Python detected: python3 -tt
>>
>> and I use the luatex setting
>> with
>> \usepackage{libertinus-otf}
>> in the preamble
>>
>> and xfig 3.2.8
>>
>> Could somebody tell me why I won't get the expected pdf output
>>
>> Would appreciate it very much!
>>
>> Wolfgang
>>
> 
> I understand, that
> no special flag choosable
> in Xfig is now replaced by TeX-Flag > TeX
> 
> But still no correct pdf output of the Delta and Psi
> 
> A further problem:
> 
> I can't work on the figure as described in the Customization Help File 
> at the end of the 6.1 (How does it work in 6. Including external 
> Material). There it says:
> 
> In the case of an Xfig figure, you are able to invoke Xfig on the 
> original file with a single click from within the external material 
> dialog in LyX, and also preview the produced PostScript file with 
> Ghostview with another click. No more fiddling around with the command 
> line and/or file browsers to locate and manipulate the original or 
> produced files. In this way, you are finally able to take full advantage 
> of the many different applications that are relevant to use when you 
> write your documents, and ultimately be more productive.
> 
> I forgot to set in Document settings> Format > Allow running external 
> programs, which I did now and enclose therefore again the lyx file.
> 
> If some body is able to work on the fig file in lyx (which should be 
> possible according to the Customization Help File) and get the pdf 
> output showing the TeX insets (Delta, Psi) correctly, I would be glad to 
> hear how to achieve this.
> 
> Note that I use the luatex setting with
>  > \usepackage{libertinus-otf}
> in the preamble
> 
> Wolfgang
> 

The reason for the above question was, that I needed to add greek 
characters to a .fig file. Perhaps there are others who need it.

The way to do is

Choose T (text input)
Select for Text Font Symbol (Greek)
Try out which one gives you the wanted greek letter,
e.g. W gives Omega

Wolfgang