Hi Bruce,
Thanks for your help. I made the changes you suggested and now get a
different message:
Global symbol "$data_object" requires explicit package name at LoadData.pl
line 8.
Execution of LoadData.pl aborted due to compilation errors.
The script follows.
#!/usr/bin/perl
use Demeter qw(:ui=screen);
my $data = Demeter::Data -> new(file => "data/fe.060",
name => 'test',
);
$data -> plot('E');
$data_object -> pause;
Any further help is appreciated.
Thanks,
George
On Sat, Apr 12, 2014 at 4:40 PM, Bruce Ravel
It would, of course, help to see the script, but I can guess what the issue is.
Try doing
use Demeter qw(:ui=screen);
at the top of the script, and
$data_object -> pause;
before it exits.
The specific message is issued because the perl script ended while the pipe to the gnuplot process was still open. That doesn't happen if you put in a pause. And you get to look at the plot before it vanishes!
B
On 04/11/2014 06:45 PM, George Sterbinsky wrote:
Hello,
I am trying to learn to use Demeter following The Demeter Programmer Guide. When I attempt to run the first example script in the importing data section I get the following error message:
Graphics::GnuplotIF (object 1): problem closing communication to gnuplot
I also see the plot window flash open and then closed on my screen.
I am using perl 5.16.1 on mac OSX 10.8.5. If anyone can provide any suggestions as to how I might correct this please let me know.
Thank you, George
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-- Bruce Ravel ------------------------------------ bravel@bnl.gov
National Institute of Standards and Technology Synchrotron Science Group at NSLS --- Beamlines U7A, X24A, X23A2 Building 535A Upton NY, 11973
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