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Graphics::PLplot

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This module provides Perl 6 low and high-level native bindings for PLplot.

Note: Currently work in progress and the API is being implemented one brick at a time. Help and feedback is appreciated.

PLplot is a library of subroutines that are often used to make scientific plots in various compiled languages. PLplot can also be used interactively by interpreted languages such as Octave, Python, Perl and Tcl. The current version was written primarily by Maurice J. LeBrun and Geoffrey Furnish and is licensed under LGPL.

Example

use v6;
use Graphics::PLplot;

if Graphics::PLplot.new(
    device    => "png",
    file-name => "output.png"
) -> $plot  {

    # Begin plotting
    $plot.begin;

    # Create a labeled box to hold the plot.
    my $y-max = 100;
    $plot.environment(
        x-range => [0.0, 1.0],
        y-range => [0.0, $y-max],
        just    => 0,
        axis    => 0,
   );
    $plot.label(
        x-axis => "x",
        y-axis => "y=100 x#u2#d",
        title  => "Simple PLplot demo of a 2D line plot",
   );

    # Prepare data to be plotted.
    constant NSIZE = 101;
    my @points = gather {
        for 0..^NSIZE -> $i {
            my $x = Num($i) / (NSIZE - 1);
            my $y = Num($y-max * $x * $x);
            take ($x, $y);
        }
    };

    # Plot the data that was prepared above.
    $plot.line(@points);

    LEAVE {
        $plot.end;
    }
}

For more examples, please see the examples folder.

Installation

  • On Debian-based linux distributions, please use the following command:
$ sudo apt install libplplot-dev
  • On Mac OS X, please use the following command:
$ brew update
$ brew install plplot
  • Using zef (a module management tool bundled with Rakudo Star):
$ zef install Graphics::PLplot

Testing

  • To run tests:
$ prove -ve "perl6 -Ilib"
  • To run all tests including author tests (Please make sure Test::Meta is installed):
$ zef install Test::META
$ AUTHOR_TESTING=1 prove -e "perl6 -Ilib"

Author

Ahmad M. Zawawi, azawawi on #perl6, https://github.com/azawawi/

License

MIT

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Perl 6 native bindings for PLplot

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