[GTALUG] Software to draw illustrations?

[Chris F.A. Johnson]

On Sun, 10 Feb 2019, William Park via talk wrote:

> Hi all,
>
> What software do people use to draw illustrations that you'd see in
> textbooks or presentations?  Eg. data structure, high school math, block
> diagrams, etc.  I mean, I see them, but I don't know how to create them.

I use emacs to write PostScript programs and convert them to JPG or GIF or PNG with ImageMagick.

But you might be more comfortable with GIMP.

There are also several other paint programs, such as gpaint, xpaint, rgbpaint.