Hi, Jean-Marc,

I'll have to think about how to do that.  First, it wouldn't be a single file.  
It would be at least the .lyx file and the various .svgs.  But knowing what I 
know now, I would not switch from .svgs to .pdfs and then back to .svgs and 
expect that all of the conversions would be the same.  So, in other words, I 
would have to deliberately repeat the process that brought me to this point.  
And, as I said, LyX or the converter is storing this information somewhere.  
I've looked for it in the .lyx file itself but, if it is there, I have not yet 
found it.  So there is no guarantee that what I provide you will have the same 
problem initially because you might be missing the file where this info is 
stored.  Then, presumably, when you compile the document, it would need to do 
all of the conversions again—this time correctly—and you would not see the same 
issue.  If that is the case, then you would need to repeat the process that 
precipitated this problem on your end.  But, of course, if there were some way 
to force the conversions to take place anew instead using this cached data, 
this would not be a problem in the first place.  That is something that I can 
check on my end anyway.  I store all of my docs in the cloud and use Google 
Drive for drive-letter access so that I can work from home and work seamlessly. 
 But temp storage that LyX uses is local to each machine.  I'd like to try 
compiling this document from home and see if it does the conversions from 
scratch or somehow has access to this cached data.  That might reveal more 
clues as to what is going on.
________________________________
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Subject: lyx-users Digest, Vol 326, Issue 5

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Today's Topics:

   1. Re: lyx-users Digest, Vol 326, Issue 4 (Michael Dean Pugh)
   2. Re: lyx-users Digest, Vol 326, Issue 4 (Jean-Marc Lasgouttes)


----------------------------------------------------------------------

Message: 1
Date: Thu, 19 Feb 2026 12:14:25 +0000
From: Michael Dean Pugh <[email protected]>
To: "[email protected]" <[email protected]>
Subject: Re: lyx-users Digest, Vol 326, Issue 4
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As I said in my follow-up, I tried many, many things before asking for help in 
this forum.  So, all of the things you are suggesting I double check have 
already been triple- and quadruple-checked.  As for resizing, it is moot.  I do 
not want one .svg converted to .pdf and the other five--which together with the 
first were deliberately created to match in size and orientation--converted to 
.png.  That defeats the purpose: the process from beginning to end should be 
identical for all six.  I am absolutely certain about what is happening.  What 
I do not know is where LyX or the converter is storing this information.  I 
know how to work around the problem and I already have.  But it bugs me that 
this is a problem in the first place: it should not be.  I'm not a fan of 
workarounds, rigs, or duct tape.  I will get to the bottom of this in due time 
(right now this paper takes precedence) and I will post the answer here when I 
do.
________________________________
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[email protected] <[email protected]>
Sent: Thursday, February 19, 2026 7:00 AM
To: [email protected] <[email protected]>
Subject: lyx-users Digest, Vol 326, Issue 4

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Today's Topics:

   1. Re: Caching of graphics files (Pavel Sanda)


----------------------------------------------------------------------

Message: 1
Date: Thu, 19 Feb 2026 11:35:07 +0100
From: Pavel Sanda <[email protected]>
To: Michael Dean Pugh <[email protected]>
Cc: lyx-users <[email protected]>
Subject: Re: Caching of graphics files
Message-ID: <[email protected]>
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On Thu, Feb 12, 2026 at 05:16:45PM +0000, Michael Dean Pugh wrote:
> This has been an issue for some time and I usually find a workaround, but 
> every time I have to remember how I did it.  I have output from Mathematica 
> six identically sized .svg files which I want to put in a 2x3 table in LyX.  
> I insert the first graphic and then play with the size until it looks to be a 
> little less than 1/3 of the line width of the document.  Armed with this 
> size, I then insert the other five graphs.  These five are identically sized 
> but the first one is not--it is slightly too large.  I've deleted it and 
> added it back.  I deleted the files in the directory and regenerated them.  I 
> even changed the name of the file.  I deleted everything in the Cache 
> subdirectory.  No go.  I am 100% positive these plots are the same size, 
> having opened them in Inkscape to be certain.  LyX must be caching something 
> somewhere, but I have no idea where.  Does anyone know what is going on?

1) Can't you just set the exact size you want to see in the pdf input and set 
it the same for all figs in the table? You know about Graphics Groups feature, 
right?
2) Double check you claim that the files are really of the same size, I had 
similar problems when the svg file declared different margins etc.
3) Double check that you identified the right directory with cache. Does the 
cache regenerate when you relaunch lyx/pdf? Do you see new conversion happening?
   (If you really changed the filename this is not probably the problem).

Pavel


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Message: 2
Date: Thu, 19 Feb 2026 14:15:50 +0100
From: Jean-Marc Lasgouttes <[email protected]>
To: [email protected]
Subject: Re: lyx-users Digest, Vol 326, Issue 4
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Le 19/02/2026 ? 13:14, Michael Dean Pugh via lyx-users a ?crit?:
> As I said in my follow-up, I tried many, many things before asking for
> help in this forum.? So, all of the things you are suggesting I double
> check have already been triple- and quadruple-checked.? As for resizing,
> it is moot.? I do not want one .svg converted to .pdf and the other
> five--which together with the first were deliberately created to match
> in size and orientation--converted to .png.? That defeats the purpose:
> the process from beginning to end should be identical for all six.? I am
> absolutely certain about what is happening.? What I do not know is where
> LyX or the converter is storing this information.? I know how to work
> around the problem and I already have.? But it bugs me that this is a
> problem in the first place: it should not be.? I'm not a fan of
> workarounds, rigs, or duct tape.? I will get to the bottom of this in
> due time (right now this paper takes precedence) and I will post the
> answer here when I do.

Hi Michael,

When you find time, what would be useful is a minimal example file that
exhibits the issue. This should allow us to reproduce it and maybe even
fix it ;)

JMarc


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