Objective 103.01 Understand concepts used to create digital graphics. Course Weight : 15% Part Three : Concepts of Digital Graphics.

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Presentation transcript:

Objective Understand concepts used to create digital graphics. Course Weight : 15% Part Three : Concepts of Digital Graphics

Digital Graphics ✓ Drawings ✓ Logos ✓ Photos ✓ Advertising ✓ Buttons ✓ Icons ✓ Diagrams ✓ Charts Any image or design created or edited by a computer

✓ Use square pixels arranged in a grid that have assigned colors ✓ Lose clarity when viewed up close or zoomed in ✓ Also referred to as Raster Graphics Bitmap Graphics vs. Vector Graphics Concepts of Digital Graphics ✓ Use mathematical formulas to define lines, points, curves, and other attributes. ✓ Do not lose clarity when viewed up close or zoomed in ✓ Best type of graphic for printing in large scale

Resolution ✓ Describes the clarity of Bitmap Graphics ✓ Determined and defined by the number of Pixels Per Inch (PPI) Concepts of Digital Graphics LOW RESOLUTION - blurry in appearance - relatively small file size HIGH RESOLUTION - very clear in appearance - relatively large file size

Color Modes of Digital Graphics - Black & White - Grayscale - True Color - RGB (Red, Green, Blue) - CYMK (Cyan, Yellow, Magenta, Black) uses only true black and true white uses true black, true white, and all shades of gray in between all possible color combinations optimized for viewing on a screen optimized for printing purposes Concepts of Digital Graphics

Color Depth ✓ The number of distinct colors a graphic is capable of displaying ✓ Related to color mode 1-Bit : Black & White 8-Bit : Indexed Color (256 colors) 24-Bit : True Color (16.7 million colors) Concepts of Digital Graphics