Have you tried tline in the PGPLOT package?
e.g.:
perldl> $x1 = sequence(5)
perldl> $x2 = sequence(5) + 10
perldl> $x = pdl($x1, $x2)
perldl> $y = pdl(sqrt($x1), $x2*0.4-2)
perldl> tline $x, $y
or
perldl> $w = PDL::Graphics::PGPLOT::Window->new(Device => '/xs')
perldl> $w->tline($x,$y)
loops over the entries in the $x & $y matrices ( you can also give only
one $x vector). It will loop over options passed to the routine (see the
documentation for details).
Cheers,
Jarle.
Barry Hall wrote:
> I need to plot something on the order of 25k line segments in a
> single plot -- just to get a quick look at some GIS data -- is there a
> routine in PDL that takes a line primitive of sorts?
>
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