On Wed, Dec 4, 2013 at 9:45 AM, Murat Yildizoglu <murat.yildizo...@u-bordeaux4.fr> wrote: > Thanks Jens and Jerry, I was not aware of this program (sips) and it > generates nice bitmaps indeed, and quite quickly in comparison with the > gs+convert solution that was rather slow on my macbook air. > > The version I use is the following (adapted for the 128dpi display of my > MBA): > > sips -s dpiHeight 128.0 -s dpiWidth 128.0 --resampleWidth 600 --setProperty > format png $$i --out $$o > > > 2013/12/4 Jerry <lancebo...@qwest.net> >> >> >> On Dec 3, 2013, at 6:44 PM, Jens Nöckel <noec...@uoregon.edu> wrote: >> >> > >> > On Dec 3, 2013, at 2:14 PM, Jerry wrote: >> > >> >> >> >> On Dec 3, 2013, at 1:53 PM, Stephen Buonopane <sbuon...@bucknell.edu> >> >> wrote: >> >> >> >>> Try the solution given here… >> >>> http://michael.orlitzky.com/articles/fixing_pdf_graphics_in_lyx.php >> >>> which creates a direct conversion from pdf to png. >> >>> >> >>> It solved a related problem for me in the past where the conversion >> >>> through eps subtly changed the graphics dimensions making on screen >> >>> cropping >> >>> near impossible. >> >> >> >> Thanks, Stephen! That has fixed the problem. >> >> >> >> There remain some unanswered questions. It looks like the converter >> >> pdftops is broken, at least on my machine. Your fix bypassed it, and >> >> elsewhere in this thread I reported that a manual conversion created an >> >> EPS >> >> file that was invalid. Is this a known problem? >> >> >> >> Since PDF is truly a native file format on OS X, it seems that your fix >> >> should be incorporated into LyX permanently because OS X users are trying >> >> to >> >> paste PDFs into LyX very frequently. Have you suggested this fix to the >> >> developers? >> >> >> >> Jerry >> > >> > >> > As an alternative to Stephen's suggestion, you could also add the >> > following converter for PDF to PNG. In my preferences, I chose the "From >> > format" as >> > >> > PDF (ps2pdf) >> > >> > and entered this code for "Converter": >> > >> > sips -s format png $$i --out $$o >> > >> > This uses the OS X built-in command sips instead of Ghostscript. >> >> Thanks for that tip, Jens. I really like the idea of using OS X's built-in >> image processing. However, this command scales the image by 200% so I added >> an option to scale to a width of 560 pixels which seems comfortable for me, >> and preserves the aspect ratio. (I know that I could use LyX to scale the >> on-screen size manually but this is laborious and makes the image ugly.) >> >> In addition, there is a pink background behind the image which I don't >> like and which the GhostScript-and-convert command suggested earlier in the >> thread does not do. This is fixed by Preferences -> Look and Feel -> Colors >> -> graphics background to white, but that leaves the question of why the >> GhostSript approach did not result in a pink background--I'l bet it did not >> render the PDF with a solid background but left it transparent. This >> (putting a solid background) can be an issue which causes the image to >> appear bigger than it is and can cause centering problems in the output PDF, >> but I'll leave that to solve another day. >> >> So for the record, the sips command I'm using is: >> >> sips --resampleWidth 560 --setProperty format png $$i --out $$o >> >> Again, thanks. >> >> Jerry
Any volunteers to write up a short Wikipedia paragraph for this issue, which appears to be common on Macs? A good place might be: http://wiki.lyx.org/Mac/Mac Best, Scott
