Multimedia

What is a graphic? A graphic can be a:

ChartDrawingPaintingPhotographLogoNavigation buttonDiagram

8Graphic File Formats

A computer can save and interpret graphic images in a variety of formats. Some of the most common are: GIF (Graphics Interchange Format) JPEG (Joint Photographic Experts Group) TIFF (Tagged Information File Format) BMP (bitmap) PSD (Photoshop Document) PNG (Portable Network Graphics)

Graphics Quality Two factors that determine graphics quality

are resolution and color depth.Resolution is the number of pixels per inch.

Computer Monitors use 72dpi.Color depth refers to the number of distinct

colors an image can contain. It can range from 2-bit (black and white) to 24-bit (16.7 million colors).

Dithering

Creates the illusion that an image has more colors than it really has

ResizingResizing is changing the height and width of the image

CorrectOriginal

Incorrect

Digital Photography

Steps to Taking Dynamic Photographs

1. Focus

2. Use Rule of Thirds

3. Check the background

4. Unifying Elements

5. Special Effects

Focus – Two Meanings

1. Is the picture clear.

2. Does the picture’s subject hold prominence? Is it the focus of the picture?

Rule of Thirds Divide the photo into thirds both horizontally or vertically to achieve balance

Place points of interest at intersections or along the lines

Check the BackgroundBe sure to rid the photo of non-essential clutter so more attention is on the Focus of the photo

CroppingCropping is used to eliminate unwanted parts of a picture

Before

After

Unifying ElementsTo help the eye wander around the photo use lines or geometric shapes to tie the photo together

Geometric Shaping

Special Effects Camera angle or perspective can affect the emotional weight of photographs

More Effects

Still more effects