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The libraries in the Color-Palette distribution are meant to make it easy to build sets of named colors, and to write applications that can define and validate the color names they required.

This module provides conversions between commonly used ways to express colors. It provides conversions between color spaces such as RGB and HSV, and it provides ways to look up colors by a name. This class provides a base for subclasses which represent particular color values in particular spaces. The base class provides methods to represent the color in a few convenient forms, though subclasses may provide more specific details for the space in question.

This is a subclass of GD::Polygon used to draw an arrow between two vertices. GD::Arrow::Full draws a full arrow between two verticies. |\ +----------------------+ \ (X2, Y2) * * (X1, Y1) +----------------------+ / |/ GD::Arrow::RightHalf draws a half arrow between two verticies. (X2, Y2) *-------------------------* (X1, Y1) +----------------------+ / |/ GD::Arrow::LeftHalf draws a half arrow between two verticies. |\ +----------------------+ \ (X2, Y2) *-------------------------* (X1, Y1)

GD::Barcode is a subclass of GD and allows you to create barcode image with GD. This module based on "Generate Barcode Ver 1.02 By Shisei Hanai 97/08/22".

GD::Graph::histogram extends the GD::Graph module to create histograms. The module allow creation of count or percentage histograms.

GD::Graph is a perl5 module to create charts using the GD module.

GD::SVG seamlessly enables the scalable vector graphics (SVG) output from scripts written using GD. It accomplishes this by translating GD functions into SVG functions.

This a thumbnail maker. Thumbnails are smaller versions of the original image/graphic/picture and are used for preview purposes, where bigger images can take a long time to load. They are also used in image galleries to preview a lot of images at a time. This module also has the capability to add information strips about the original image. Original image's size (in bytes) and resolution & mime type can be added to the thumbnail's upper and lower parts. This feature can be useful for web software (image galleries or forums). This is a Yet Another type of module. There are several other thumbnail modules on CPAN, but they simply don't have the features I need, so this module is written to increase the thumbnail population on CPAN. The module can raise an exception if something goes wrong. So, you may have to use an eval block to catch them.

GD.pm is a Perl interface to Thomas Boutell's gd graphics library (version 2.01 or higher). GD allows you to create color drawings using a large number of graphics primitives, and emit the drawings as PNG files.

p5-Geo-EOP is a perl module to process earth bservation products meta-data.