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GD::Graph3d(3) User Contributed Perl Documentation GD::Graph3d(3)

NAME

GD::Graph3D - Create 3D Graphs with GD and GD::Graph

SYNOPSIS

        use GD::Graph::moduleName;
        my @data = ( 
           ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"],
           [ 1203,  3500,  3973,  2859,  3012,  3423,  1230]
        );
        my $graph = new GD::Graph::moduleName( 400, 300 );
        $graph->set( 
                x_label           => 'Day of the week',
                y_label           => 'Number of hits',
                title             => 'Daily Summary of Web Site',
        );
        my $gd = $graph->plot( \@data );

Where moduleName is one of "bars3d", "lines3d" or "pie3d".

DESCRIPTION

This is the GD::Graph3d extensions module. It provides 3D graphs for the GD::Graph module by Martien Verbruggen, which in turn generates graph using Lincoln Stein's GD.pm.

You use these modules just as you would any of the GD::Graph modules, except that they generate 3d-looking graphs. Each graph type is described below with only the options that are unique to the 3d version. The modules are based on their 2d versions (e.g. GD::Graph::bars3d works like GD::Graph::bars), and support all the options in those. Make sure to read the documentation on GD::Graph.

This is merely a wrapper around GD::Graph::pie for consistency. It also sets 3d pie mode by default (which GD::Graph does as of version 1.22). All options are exactly as in GD::Graph::pie.
This works like GD::Graph::bars, but draws 3d bars. The following settings are new or changed in GD::Graph::bars3d.
Sets the z-direction depth of the bars. This defaults to 10. If you have a large number of bars or a small chart width, you may want to change this. A visually good value for this is approximately width_of_chart / number_of_bars.
In GD::Graph::bars, multiple series of bars are normally drawn side-by-side. You can set overwrite to 1 to tell it to draw each series behind the previous one. By setting overwrite to 2 you can have them drawn on top of each other, that is the series are stacked.
By default this is set to '1' and will shade and highlight the bars (and axes). The light source is at top-left-center which scan well for most computer users. You can disable the shading of bars and axes by specifying a false value for this option.
This works like GD::Graph::lines, but draws 3d line. The following settings are new or changed in GD::Graph::line3d.
Sets the z-direction depth of the lines. This defaults to 10. If you have a large number of bars or a small chart width, you may want to change this. A visually good value for this is approximately width_of_chart / number_of_bars.
By default this is set to '1' and will shade and highlight the line (and axes). The light source is at top-left-center which scan well for most computer users. You can disable the shading of lines and axes by specifiying a false value for this option.
By default this is set to '0'. If line_width is large, typical zig-zag data lines may appear to exaggerated, due to the width of the lines. When trim_miter is set to '1', then acute-angled segments are cut back (with an additional small rectangle on top) to extend only half a line_width beyond the data points.

VERSION

0.63 (6 December 2002)

INSTALLATION

You will need to have the GD::Graph version 1.30 or later installed. You should also have Perl version 5.005 or 5.6 installed.

To install, just do the normal:

        perl Makefile.PL
        make
        make install

The documentation is in GD::Graph::Graph3d.pod.

AUTHOR

Jeremy Wadsack for Wadsack-Allen Digital Group. <dgsupport at wadsack-allen dot com>

Most of the modules are based on the GD::Graph modules by Martien Verbruggen.

LATEST RELEASE

The latest release is available from CPAN: http://www.cpan.org/.

COPYRIGHT

Copyright (c) 1999-2001 Wadsack-Allen. All rights reserved.

Much of the original code is from GD::Graph:

GIFgraph: Copyright (c) 1995-1999 Martien Verbruggen.

Chart::PNGgraph: Copyright (c) 1999 Steve Bonds.

GD::Graph: Copyright (c) 1999 Martien Verbruggen.

This package is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

2024-03-04 perl v5.40.0