Works for me too on Windows 7 x64 with Strawberry Perl 5.16.1 and GnuPlot 4.4 patchlevel 3. I did need to add two options to get the Windows version to work:

[...]
my $chart = Chart::Gnuplot->new(
  gnuplot    => 'c:/usr/bin/gnuplot.bat', # req'd for Win32
  terminal   => 'png',                    # req'd for Win32
[...]

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In reply to Re: How to create heat map in perl by VinsWorldcom
in thread How to create heat map in perl by huzefa52

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