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Re: Graphing in perl

by strat (Canon)
on Apr 23, 2002 at 12:36 UTC ( #161273=note: print w/replies, xml ) Need Help??


in reply to Graphing in perl

I've just tried and found GD installed on my Win2k-Box/ActivePerl 631. I executed the first code from perldoc GD, and it seems to work fine...

H:\>perl use GD; # create a new image $im = new GD::Image(100,100); # allocate some colors $white = $im->colorAllocate(255,255,255); $black = $im->colorAllocate(0,0,0); $red = $im->colorAllocate(255,0,0); $blue = $im->colorAllocate(0,0,255); # make the background transparent and interlaced $im->transparent($white); $im->interlaced('true'); # Put a black frame around the picture $im->rectangle(0,0,99,99,$black); # Draw a blue oval $im->arc(50,50,95,75,0,360,$blue); # And fill it with red $im->fill(50,50,$red); # make sure we are writing to a binary stream binmode STDOUT; # Convert the image to PNG and print it on standard output print $im->png; ^Z PNG ..... and so on
But somehow, I've never worked with graphical graphs yet.

Best regards,
perl -le "s==*F=e=>y~\*martinF~stronat~=>s~[^\w]~~g=>chop,print"

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