Chapter 4

1. PNG(Portable network graphic).

1.1. Support more than 16.7 million colors

1.2. Use lossless compression technique

1.3. Image can have transparent portion

1.4. No animation

2. GIF

2.1. Uses lossless compression technique

2.2. Animation possible and image can have transparent portion.

3. Type of image file types used in multimedia

3.1. Macintosh formats

3.2. Windows formats

3.3. Cross-platform formats

4. JPEG(Joint photographic expert group)

4.1. Commonly used standard method of compression for photographic images.

4.2. Support a maximum of 16.7million colors

4.3. No transparency and animation

5. Type of graphic

5.1. Bitmap graphic

5.2. Vector graphic

6. Features of a 3D application

6.1. Modeling

6.1.1. Placing all the elements into 3D space.

6.2. Extrusion

6.2.1. The shape of a plane surface extends some distance.

6.3. Lathing

6.3.1. A profile of the shape us rotated around a defined axis.

7. Vector graphic

7.1. Advantages

7.1.1. Vector images use less memory space

7.1.2. Vector object are easily scalable without less of resolution or image quality

7.2. Disadvantages

7.2.1. Object/drawings can't have texture

7.2.2. Can't be used for photorealistic images.