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# 13 Utilities in JpGraph

This is a short account for the utilities shipped with JpGraph in the "utils" directory.

## 13.1 Under the utils/misc directory

- adjimg.php Lets you adjust the contrast, brightness and saturation in a image.
  Usage: adjimg.php?file=nameue][turation]
- gencolorchart.php Generates a color chart with all colors available in JpGraph
- mkgrad.php A tool to easily generate gradient images for use as backgounds
- imgdbschema.inc A set of utility classes used to easy generate DB schema reading the data straight from the DB. See more in the chapter Working directly on the canvas

## 13.2 Under the utils/jpdcgen

This directory contains all the scripts that make up the DDDA documentation architecture that is used to generate the database based documentation architecture used for JpGraph. This is completely generic and could be used for any PHP project which needs to combine both automatic and manual documentation.

The main entry point is jpdocedit.php

Please see the standalone documentation for DDDA.

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