Image::Grab is a simple way to get images with URLs that are either not
predictable or are "hidden" by some method.
The Utah Raster toolkit is a collection of programs and C routines for
dealing with raster images commonly encountered in computer graphics. It
provides the following major functions:
* A device and system independent image format for storing images
and information about them. Called the RLE format, it uses
run length encoding to reduce storage space for most images.
* A library of C routines for reading, writing and manipulating
images stored in the RLE format.
* A collections of programs for manipulating and displaying RLE
images.
A set of command line (and one GUI) programs for reading, writing, manipulating
and viewing high-dynamic range (HDR) images and video frames.
ppsei (PPS Extract Images) is a simple command line program, which tries to
extract images from Microsoft PowerPoint documents (PPS/PPT).
projectM is an LGPL'ed reimplementation of Milkdrop under OpenGL. All projectM
requires is a video card with 3D acceleration and your favorite music.
The paint module provides a simple and flexible facility for
painting PNG images files. The paint module depends upon
three free libraries: freetype, libart, libpng.
sk1libs is a set of python libs for sK1 Project. The package includes
multiplatform non-GUI extensions which are usually native extensions.
The Geokit gem provides:
- Distance calculations between two points on the earth. Calculate the distance
in miles, kilometers, meters, or nautical miles, with all the trigonometry
abstracted away by Geokit.
- Geocoding from multiple providers. It supports Google, Yahoo, Geocoder.us, and
Geocoder.ca geocoders, and others. It provides a uniform response structure
from all of them. It also provides a fail-over mechanism, in case your input
fails to geocode in one service.
- Rectangular bounds calculations: is a point within a given rectangular bounds?
- Heading and midpoint calculations
The Gruff Graphing Library is a project to make beautiful graphs with Ruby.
Can be used alone or with Ruby on Rails.
This modules provides an interface to layout and generate images
of directed graphs in a variety of formats (PostScript, PNG, etc.)
using GraphViz.