[Graph-dev] Graph re-sizeing in Graph::Chart::Xmgrace

[Michael Moorhouse]

Hello,
I am writing a review of graphing techniques invokable from Perl and 
came across the 'Xmgrace' interface.  I wish to resize the output image 
I create on disk as a PNG file, but am having difficulty changing the 
resolution from the default 640 x 480.
Do you have a patch or a hack for this?  We would like to use xmgrace 
for scientific work here at EMC in numerous projects.  The alternative I 
have is to hack the xmgrace1.agr project file generated by the Perl 
modules using sed and re-run Grace - but this defeats the object of 
using the Perl module in many ways!
I have searched for a 'page size' option but failed to find one.  I have 
also tried to use the 'extra opts' functionality with no success.  I 
have tried various combinations of captialisation and adding the '@' 
sign associated with Grace command files, including escaping it '\@'.
The code I am currently using is:
use Chart::Graph::Xmgrace qw(xmgrace);

  xmgrace({"title" => "Absorbance Data",
  "extra opts" => {"PAGE SIZE" => "1024, 768"},
           "subtitle" => "Thanks to Scott Prahl and Gary Deschaines",
           "type of graph" => "XY graph",
           "output type" => "png",
           "output file" => "sample56_grace.png",
           "x-axis label" => "Time",
           "y-axis label" => "Relative Intensity",
       "grace output file" => "xmgrace1.agr",
          },
          [{"title" => "data",
            "options" => {
                          "fill" => { "type" => "2" },
                         },
            "data format" => "file"
           },
           "sample54.dat"
          ],
         );

Any suggestions greatfully recieved!
Thanks,
Michael M.

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