Preface
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## Preface

PHPlot is a PHP class for on-the-fly graphs generation. It was started by Afan Ottenheimer in 2000 as an Open Source project, and is developed on SourceForge. It is distributed[1] under the terms of the GNU Lesser General Public License version 2.1.

Here are some of the features in PHPlot:

- Creates many graph types, including line plots, point plots, bar charts, and pie charts, also data/error graphs.

- Draws 3-D shading of pie charts and bar graphs.

- Customizable line color, width, solid or dashed patterns.

- Flexible labels, tick marks, axes, titles, legend, grid lines.

- TrueType fonts are supported, but not required.

- Use linear or logarithmic axes.

- Image output uses the GD Library, with supported formats including PNG, GIF, and JPEG.

PHPlot's home page is at http://phplot.sourceforge.net, and project development takes place at http://sourceforge.net/projects/phplot/.

[1] Versions prior to PHPlot-5.0.7 were distributed under the GPL and PHP licenses.

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