Re: questions about xset



As root I edited

/etc/X11/fs/config to add the lines on the head node of the cluster

/share/apps/Mathematica7.0/SystemFiles/Fonts/Type1,
/share/apps/Mathematica7.0/SystemFiles/Fonts/BDF,
/share/apps/Mathematica7.0/SystemFiles/Fonts/AFM

I restarted xfs on the head node

service xfs restart

I checked my firewall on the head node of the computer clustrer

netstat -nlp | grep 7100
unix 2 [ ACC ] STREAM LISTENING 9788554
5359/xfs /tmp/.font-unix/fs7100

I then logged into the head node from my Mac using "ssh -Y"

As a regular user, my xset path does not contain the Mathematica fonts.
And Mathematica still gives me the "bad font message"

My local computer is a Mac, 10.6.

I am installing Mathematica on my Mac now to see if that makes a difference
in the display.

On Tue, Oct 25, 2011 at 12:13 PM, Nigel Wade <nmw@xxxxxxxxxxxx> wrote:

On 25/10/11 16:24, Richardson, Joshua A. wrote:

Just a quick guess, but have you actually verified the path you are trying
to set exists? You may need to physically copy the fonts from the CD to the
machine.

http://shortrecipes.blogspot.**com/2009/06/mathematica-xset-**
bad-font-path-element.html<http://shortrecipes.blogspot.com/2009/06/mathematica-xset-bad-font-path-element.html>

Joshua A. Richardson


-----Original Message-----
From: redhat-list-bounces@xxxxxxxxxx [mailto:redhat-list-bounces@**
redhat.com <redhat-list-bounces@xxxxxxxxxx>] On Behalf Of Doll, Margaret
Ann
Sent: Tuesday, October 25, 2011 11:09 AM
To: General Red Hat Linux discussion list
Subject: questions about xset

CentOS release 5.6 (Final)


We have Mathematica 7.0 installed on our computer cluster, but are unable
to
get the display to work. The initial trademark comes up, but not the
rest
of the application.

mathematica&
[1] 2527
[mdoll@ted ~]$ xset: bad font path element (#1149), possible causes are:
Directory does not exist or has wrong permissions
Directory missing fonts.dir
Incorrect font server address or syntax


Mathematica says that the problem is

Font Installation
All machines that display the front end must have access to the fonts
included with *Mathematica*. If the *Mathematica* process is running on a
remote machine and the front end is displayed on the local machine, the X
server on the local machine must know where to find the *Mathematica*
fonts.
To do this, add the *Mathematica* fonts to the local font path by running
a
command like the following on the local machine.

xset fp+ /usr/local/Wolfram/**Mathematica/8.0/SystemFiles/**Fonts/Type1;
xset fp
rehash

Be sure to execute xset fp rehash to make the fonts available to the local
X
server.
For optimal onscreen performance, Type1 fonts should appear before BDF
fonts
in the font path. Hence,
$InstallationDirectory<http://**reference.wolfram.com/**mathematica/ref/$
**InstallationDirectory.html<http://reference.wolfram.com/mathematica/ref/$InstallationDirectory.html>

/SystemFiles/Fonts/Type1 should appear before
$InstallationDirectory<http://**reference.wolfram.com/**mathematica/ref/$
**InstallationDirectory.html<http://reference.wolfram.com/mathematica/ref/$InstallationDirectory.html>

/SystemFiles/Fonts/BDF. You can check the order of the font path by
executing the command xset q.

*Note:* TrueType fonts are automatically loaded and do not require an
xsetcommand.


I have tried


xset +fp
/share/apps/Mathematica7.0/**SystemFiles/Fonts/Type1,/**
share/apps/Mathematica7.0/**SystemFiles/Fonts/BDF
xset: bad font path element (#1149), possible causes are:
Directory does not exist or has wrong permissions
Directory missing fonts.dir
Incorrect font server address or syntax


xset +fp
/share/apps/Mathematica7.0/**SystemFiles/Fonts/Type1
xset: bad font path element (#1149), possible causes are:
Directory does not exist or has wrong permissions
Directory missing fonts.dir
Incorrect font server address or syntax

What's going wrong?

"xset q" shows

Font Path:

/usr/X11/lib/X11/fonts/misc/,/**usr/X11/lib/X11/fonts/TTF/,/**
usr/X11/lib/X11/fonts/OTF,/**usr/X11/lib/X11/fonts/Type1/,/**
usr/X11/lib/X11/fonts/75dpi/:**unscaled,/usr/X11/lib/X11/**
fonts/100dpi/:unscaled,/usr/**X11/lib/X11/fonts/75dpi/,/usr/**
X11/lib/X11/fonts/100dpi/,/**Library/Fonts,/System/Library/**Fonts


I presume when you say that it's installed on the cluster that you are
using a remote X display.

Have you installed the fonts on the client?

You either have to do that, or setup the machine on which the fonts are
installed as a font server. Then direct the local machine with the X display
to the font server.

If you login remotely, using for example ssh, and attempt to set the
fontpath when logged in remotely this will fail. Font paths refer to the X
server, not the X client. So the X server (on your desktop) has to have
access to the fonts.

For example, on my desktop I issue the following:
xset +fp fontserver:tcp/7100

to access the fonts on the host fontserver. This host is the machine on
which Mathematica is installed. On fontserver it's necessary to add the
Mathematica font directories to the font server, in my case it's an old RHEL
4 system, and the font configuration is in /etc/X11/fs/config. I've added
the entries for Mathematica to the catalogue entry:

catalogue = /usr/X11R6/lib/X11/fonts/**korean,
/usr/X11R6/lib/X11/fonts/misc:**unscaled,
...
/opt/Wolfram/Mathematica/5.2/**SystemFiles/Fonts/Type1,
/opt/Wolfram/Mathematica/5.2/**SystemFiles/Fonts/BDF,
/opt/Wolfram/Mathematica/5.2/**SystemFiles/Fonts/AFM

You then need to fire up the font server, in the RHEL 4 case it's handled
by chkconfig, and the service is xfs. Finally, poke a restricted hole for
port 7100 in your firewall, if you have one, so that clients can access the
font server.

Fonts in X are fun...

--
Nigel Wade, System Administrator, Space Plasma Physics Group,
University of Leicester, Leicester, LE1 7RH, UK
E-mail : nmw@xxxxxxxxxxxx
Phone : +44 (0)116 2523548, Fax : +44 (0)116 2523555


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