Introduction To Computer Aided Graphics
In computing, Graphics is a broad term used to invoke many things related to the visual feedback of a computer. In this guide we will use the term Graphics to describe CAD (Computer Aided Design) and Photography. One could argue that video would fit into this guide. But given the complex nature of Computer Aided Video, it has it's own workflow explained in detail here.
The Realms Of Graphic Design
When we refer to graphic design executed with a computer, we have to understand the realms in which it operates and the distinctions between these realms. The main two realms we are going to focus on here are Prints and Digital Displays. It is important to understand these differences due to the way colors and shapes are generated to fit within these realms, and to be able to convert one realm to the other and vice versa. Even if both of these realms are (generally speaking) displayed in Two dimensions, they respectively include the notion of Three dimensional graphics (discussed later on in this article)
Resolution & Color On Digital Display
Because a computer screen uses light to display colors (as opposed to pigments in print), in this realm we generally talk about the 3 Aditive Primary Colors: Red, Blue and Green. Often shortened with RGB.
The resolution of a Digital Display is defined by the amount of pixels that can fit on the screen. There are two major ways in which shapes and colors are rendered on a computer monitor: using raster graphics (pixels), and using vector graphic. Due to their nature, raster graphics are resolution dependent, meaning they cannot scale up to an arbitrary resolution without loss of apparent quality. This property contrasts with the capabilities of vector graphics, which easily scale up to the quality of the device rendering them.
Resolution & Color In Prints
Becuase prints use pigments to display colors, in this realm we generally talk about Subtractive Primary Colors: Cyan, Magenta, Yellow and Black. Often shortened CMYK
3D Graphics In A Two Dimensional Space
Intro To Software, Fonts, File Formats, Supported Devices
Using Graphic Software – Some Workflow Examples
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