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Non-Linux FOSS: Seashore

By Shawn Powers 

As Linux users, we tend to take programs like GIMP for granted. Thankfully, as of version 2.8.2, GIMP is available as a native application for OS X! Because everyone reading this most likely is familiar with how awesome GIMP is for photo editing, it's worth mentioning there is another open-source photo-editing application for OS X named Seashore. more>>

New Products

By James Gray 

Please send information about releases of Linux-related products to newproducts@linuxjournal.com or New Products c/o Linux Journal, PO Box 980985, Houston, TX 77098. Submissions are edited for length and content.

Gnuplot—the Grandfather of Graphing Utilities

By Joey Bernard 

In these columns, I have covered several different scientific packages for doing calculations in many different areas of research. I also have looked at various packages that handle graphical representation of these calculations. But, one package that I've never looked at before is gnuplot (http://www.gnuplot.info). more>>

Feynman Figures for Fun

By Joey Bernard 

In quantum physics, one of the calculations you might want to do is figure out how two or more particles may interact. This can become rather complicated and confusing once you get to more than two particles interacting, however. Also, depending on the interaction, there may be the creation and annihilation of virtual particles as part of the interaction. more>>

Extreme Graphics with Extrema

By Joey Bernard 

High-energy physics experiments tend to generate huge amounts of data. While this data is passed through analysis software, very often the first thing you may want to do is to graph it and see what it actually looks like. To this end, a powerful graphing and plotting program is an absolute must. more>>

Dia - The Diagram Creation Tool

By Michael Reed 

Dia is an application designed for quick creation of structured diagrams such as simple, line-based illustrations, flowcharts, UML charts and network diagrams. Being a vector based tool, there is some overlap with other applications such as Inkscape, but Dia's focus is on diagrams that are more functional than aesthetic. more>>

Image Processing with OpenGL and Shaders

By George Koharchik 

Using OpenGL and GLUT, you can increase the speed of your image processing by using the power inside your system's GPU. more>>

Qt and Layouts

By Johan Thelin 

When I first started with graphics - I plotted pixels onto the screen by calculating a memory address and then poking the corresponding value. Times have changed since then. more>>

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