Am 28.05.2014 um 16:13 schrieb Richard Heck <rgh...@lyx.org>: > On 05/27/2014 04:36 PM, Stephan Witt wrote: >> Am 27.05.2014 um 20:41 schrieb Richard Heck <rgh...@lyx.org>: >> >>> On 05/27/2014 12:27 PM, jezZiFeR wrote: >>>> Am 27.05.2014 um 17:41 schrieb Stephan Witt <st.w...@gmx.net>: >>>>> Am 27.05.2014 um 17:13 schrieb jezZiFeR <jezzi...@gmail.com>: >>>>> >>>>>> Hello, >>>>>> >>>>>> I do not know since when this happens, but in the moment LyX always >>>>>> tells me, that I would have to install X11 to open »gs«. Why does it ask >>>>>> that? >>>>>> I use LyX 2.0.7.1 on OSX 10.8.5. It might be, that this only happens >>>>>> when I open older documents, I am not sure up to now. Does anybody have >>>>>> an idea about that? >>>>> Hello Jezz, >>>>> >>>>> "gs" is the program GhostScript and it needs an X11-display to present >>>>> the contents. >>>>> Apple isn't providing X11 out-of-the-box anymore since Mountain Lion >>>>> (10.8.X). >>>>> Normally LyX is producing PDF documents directly and there is no need to >>>>> start "gs". >>>>> >>>>> The question is: why is "gs" used by LyX? And why doesn't it happen for >>>>> all documents? >>>>> Perhaps you have some special image in use? >>>> I have made a minimal example and add it here. The message appears already >>>> when opening the file. >>> Jezz, do you have instant preview enabled for math? If so, that is probably >>> the reason: We use GhostScript for some of the instant preview conversions. >>> (Stephan, this is in legacy_lyxpreview2ppm.py, which we only use if some >>> other route fails. I can't remember which, though.) >>> >>> Richard >>> >> >> I don't have the problem with the example. >> >> I enabled the log messages for LaTeX/generation and Graphics conversion. >> This leads to the following output when opening Jezz's example file: >> >> ================= >> >> [SNIP] >> >> Buffer.cpp (1474): Buffer validation done. >> graphics/PreviewLoader.cpp (669): PreviewLoader::finishedInProgress(0): >> processing succeeded for python -tt >> "/Applications/LyX.app/Contents/Resources/scripts/lyxpreview2bitmap.py" png >> "/var/folders/1x/zm63s22x7s591xrlgm4rl9v40000gn/T/lyx_tmpdir.JL1930/lyx_tmpbuf0/0lyxpreview.tex" >> 216 000000 faf0e6 xelatex >> support/FileName.cpp (945): Recognised Fileformat: png > > That's the preview call. As I said, there are several ways that, as a result > of it, we can end up calling GhostScript. Jezz probably doesn't have dv2dt, > or some other such program, installed. See around line 396, e.g., of > lyxpreview2bitmap.py. If not, then we call to legacy_conversion_step1, which > is in legacy_lyxpreview2ppm.py, and that will call GhostScript, at least > under certain circumstances.
The dv2dt binary is part of MacTeX. Jezz, what's your TeX engine? Stephan
