Level Topic Description Easy Basic Graphics Programming Information on simple, generic computer graphics techniques Easy Intro to Graphics Libraries Background on graphics libraries, such as OpenGL Medium Advanced Graphics Programming How to draw 3D graphics Medium Bitwise Operations Everything you ever wanted to know about bit manipulation Medium Colormaps Understanding computer color palettes Medium Convolution Applying a function to an image Medium Image Formats Information about image formats (GIF, JPEG, etc.) This section contains brief tutorials on various subjects which may be helpful to have a basic knowledge of before viewing the rest of the information on our site. None of the tutorials go into very great depth; rather, they are intended to give you the "big picture" and make you aware of several terms and concepts which we assume the viewer has knowledge of elsewhere in the site.