I would suggest that you look into
PDL, the Perl Data Language. There are some
screenshots to whet your appetite. One very nice feature of PDL is that it has an interactive shell and some built-in demos for working through problems.
Here is a very simple example that displays a 3D plot of four points with 4 different colors in an X window. You can click and drag in the window to change the view.
#!/usr/bin/perl
use strict;
use PDL;
use PDL::Graphics::TriD;
my $coordinates = pdl [[10,10,0],
[0,10,0],
[1,1,1],
[-10,-10,-10]];
my $colors = pdl [[50,50,50],
[50,0,50],
[50,50,0],
[0,0,50]];
points3d $coordinates, $colors, {PointSize=>2};
update:Removed unnecessary keeptwiddling3d() loop.
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