The OpenJPEG library is an open-source JPEG 2000 library developed in order to
promote the use of JPEG 2000.
The main part of the project consists in a JPEG 2000 codec compliant with the
Part 1 of the standard (Class-1 Profile-1 compliance).
Besides this main codec, OpenJPEG integrates several other modules:
- JP2 (JPEG 2000 standard Part 2 - Handling of JP2 boxes and extended multiple
component transforms for multispectral and hyperspectral imagery)
- MJ2 (JPEG 2000 standard Part 3)
- JPWL (JPEG 2000 standard Part 11)
- JPIP (JPEG 2000 standard Part 9)
- OPJViewer, a GUI viewer for J2K, JP2, JPWL and MJ2 files
The OpenJPEG library is an open-source JPEG 2000 library developed in order to
promote the use of JPEG 2000.
The main part of the project consists in a JPEG 2000 codec compliant with the
Part 1 of the standard (Class-1 Profile-1 compliance).
Besides this main codec, OpenJPEG integrates several other modules:
- JP2 (JPEG 2000 standard Part 2 - Handling of JP2 boxes and extended multiple
component transforms for multispectral and hyperspectral imagery)
- MJ2 (JPEG 2000 standard Part 3)
- JPWL (JPEG 2000 standard Part 11)
- JPIP (JPEG 2000 standard Part 9)
- OPJViewer, a GUI viewer for J2K, JP2, JPWL and MJ2 files
SpringGraph.pm is a rewrite of the springgraph.pl script, which provides
similar functionality to Neato and can read some/most dot files.
The goal of this module is to provide a compatible interface to VCG
and/or GraphViz perl modules on CPAN. This module will also provide some
extra features to provide more flexibility and power.
This module is still experimental and is moving quickly away from the
original springgraph.pl code. It is likely to be rewritten from basic
principles in the near future to remove some of the quirks inherent in
the Autodia and springgraph.pl code used.
PyOpenGL is an interface between the Python programming language and the OpenGL
library (and related libraries). The package provides interfaces to:
- The OpenGL library itself, which is a three-dimensional graphical
rendering interface. For more information, visit
http://www.opengl.org.
- The GLU library which provides access to routines for doing
quadrics, tesselation etc.
- The GLUT (GL UTilitity) library from Mark Kilgard, which provides a
windowing environment.
- The Togl (Tk/OpenGL) widget from Brian Paul and Ben Benderson (an
alternative to GLUT which interfaces to Tk).
The Python bindings offer some value-added tools in addition to the
standard API, including support for fast processing of arrays of
coordinates, trackball support, etc.
PyX is a Python package for the creation of encapsulated PostScript figures.
It provides both an abstraction of PostScript and a TeX/LaTeX interface.
Complex tasks like 2d and 3d plots in publication-ready quality are built out
of these primitives.
Features
* PostScript output for device independent, free scalable figures
* seamless TeX/LaTeX integration
* full access to PostScript features like paths, linestyles, fill patterns,
transformations, clipping, etc.
* advanced geometric operations on paths like intersections, transformations,
splitting, etc.
* sophisticated graph generation: modular design, pluggable axes, axes
partitioning based on rational number arithmetics, flexible graph styles,
etc.
PyX is a Python package for the creation of encapsulated PostScript figures.
It provides both an abstraction of PostScript and a TeX/LaTeX interface.
Complex tasks like 2d and 3d plots in publication-ready quality are built out
of these primitives.
Features
* PostScript output for device independent, free scalable figures
* seamless TeX/LaTeX integration
* full access to PostScript features like paths, linestyles, fill patterns,
transformations, clipping, etc.
* advanced geometric operations on paths like intersections, transformations,
splitting, etc.
* sophisticated graph generation: modular design, pluggable axes, axes
partitioning based on rational number arithmetics, flexible graph styles,
etc.
pngquant is a command-line utility to quantize and dither 32-bit RGBA
PNGs down to 8-bit (or smaller) RGBA-palette PNGs, usually with a
significant reduction in file size (40-70% smaller than 24-bit PNGs).
This unique type of PNG supports full alpha transparency and is
compatible with all modern web browsers, and has better fallback in IE6
than 24-bit PNGs.
Features:
- High-quality palette generation using modernized Median Cut
algorithm.
- Unique dithering algorithm that adds less noise to images than the
standard Floyd-Steinberg.
- Easy to integrate with shell scripts, GUIs and server-side software.
- Fast mode for processing large numbers of images.
The VCG tool reads a textual and readable specification of a graph and
visualizes the graph. If not all positions of nodes are fixed, the tool
layouts the graph using several heuristics as reducing the number of
crossings, minimizing the size of edges, centering of nodes. The
specification language of the VCG tool is nearly compatible to GRL, the
language of the edge tool, but contains many extensions. The VCG tool
allows folding of dynamically or statically specified regions of the
graph. It uses colors and runs on X11. (An older version runs on
Sunview).
Rawstudio is an open-source program to read and manipulate RAW images from
digital cameras. It will convert your RAW files into JPEG, PNG, or TIFF
images which you can then print or send to friends and clients. You can
also upload photos directly to Picasa, Flickr, and Facebook galleries.
Rawstudio is intended to be the first tool in your image processing chain.
After you have made your overall image adjustments to your image, you can
use an image editing application to further work on your images. Rawstudio
itself is a highly specialized application for reviewing and processing RAW
images, not a fully featured image editing application.
RenRot is utility written in Perl, aiming to carry out different processing
tasks upon the image files (especially those containing EXIF data).
RenRot renames files according to the flexible name template (allowing the
DateTimeOriginal and FileModifyDate EXIF tags, if they exist, otherwise, the
name will be set according to the current time stamp). Furthermore, RenRot
can aggregate files according to the shooting time period.
Additionally, it can losslessly rotate JPEGs and their thumbnails, based on
the Orientation EXIF tag, or a given angle.
The script can also put commentary into the Commentary and UserComment tags.
Personal details can be specified via XMP tags defined in a configuration
file.