[gradsusr] Font variations from one Linux machine to another machine

[Jennifer M Adams]

Here is some relevant info from the doc (http://cola.gmu.edu/grads/gadoc/fontcontrol.html):

"The fonts that GrADS supports will depend on whether the font files are available on your particular system. On unix systems, look in /usr/share/fonts/ and /usr/share/X11/fonts/."

"When using Cairo fonts, you may see this error message pop up: Fontconfig error: Cannot load default config file. This is a file that helps Cairo find fonts, but is only useful on the system where the library was originally built. The default config file is not required, and this message is harmless. The non-portability of font file locations is why it is necessary to specify the full path for a font file when using the set font<http://cola.gmu.edu/grads/gadoc/gradcomdsetfont.html> command.“

When you use ‘set hershey off’, Cairo looks for default sans/serif font, which may vary on different unix systems, depending on what is in /usr/share/fonts/ and whether it can find a default config file. Font files are not system dependent, so you can easily copy them from one place to another and populate the new server with font files from the old server.
—Jennifer


On Aug 19, 2016, at 1:46 PM, Matt Bunkers - NWS Rapid City <matthew.bunkers at noaa.gov<mailto:matthew.bunkers at noaa.gov>> wrote:

I checked and all I have is "set font 0" or "set font 4", etc.  I also have "set hershey off".

I'm not referencing outside fonts, so I suspect the new machine is missing some fonts from the old machine.

Thanks for the fc-list command; I'll do some checking.

-- Matt B.

On Fri, Aug 19, 2016 at 5:54 AM, Thompson, Matt (GSFC-610.1)[SCIENCE SYSTEMS AND APPLICATIONS INC] <matthew.thompson at nasa.gov<mailto:matthew.thompson at nasa.gov>> wrote:
On 08/18/2016 03:06 PM, Matt Bunkers - NWS Rapid City wrote:
> Hi,
>
> We just got a new Linux machine and I'm having to move all of my GrADS
> scripts from the old one to the new one.  Other than the machines,
> everything is the same, including my scripts and the GrADS software
> version.  However, the new machine is producing images that have
> different font than that produced by the old machine.  See attached
> images to see what I'm talking about?
>
> Why would this be the case if the GrADS scripts and software are
> identical from one machine to the other?


Do you have any 'set font' commands in your scripts referencing outside
fonts? If you are using new GrADS with Cairo, are you using any Truetype
fonts in your scripts?

If so, it's possible your new machine doesn't have a font installed that
your old one has (or perhaps a different version of that font...but
sans-serif to serif is a bit hard to if the name is the same). fc-list
should list all the fonts found on each machine to a user.

Matt

--
Matt Thompson, SSAI, Sr Scientific Programmer/Analyst
NASA GSFC,    Global Modeling and Assimilation Office
Code 610.1,  8800 Greenbelt Rd,  Greenbelt,  MD 20771
Phone: 301-614-6712                 Fax: 301-614-6246
http://science.gsfc.nasa.gov/sed/bio/matthew.thompson
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--
Jennifer Miletta Adams
Center for Ocean-Land-Atmosphere Studies (COLA)
George Mason University



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