Additionally, using PDL::Graphics::Simple, there is the multi option. From the docs: 
     # Object interface - simple plotting, to file or screen
     $w = pgswin( size=>[8,4], multi=>[2,2] ); # 2x2 plot grid on an 8
+"x4" window

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In reply to Re^2: PDL::Graphics::PGPLOT help by etj
in thread PDL::Graphics::PGPLOT help by mxp

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