CHAPTER 4 : IMAGES

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CHAPTER 4 : IMAGES by Mind Map: CHAPTER 4 : IMAGES

1. COLORS AND PALETTES IN MULTIMEDIA

1.1. Understanding natural light and color

1.1.1. 1) Additive color

1.1.1.1. - A color is created by combining colored light  sources i three primary colors - red, green and blue (RGB).

1.1.1.2. - TV and computer monitors use this method.

1.1.2. 2) Subtractive color

1.1.2.1. - Substractive color method, color is created by combining colored media such as paint and ink.

1.1.2.2. - The colored media absorb (or substract) some part of the color spectrum of light and reflect the others back to the eye.

1.1.2.3. - Substractive color is the process used to create color in printing.

1.1.2.4. - The printed page consists of tiny  halftone dots of three primary color : cyan, magenta and yellow (CMY).

1.1.3. 3) Color models

1.1.3.1. - RGB model

1.1.3.2. HSB and HSL model

2. IMAGES FILE TYPES USED IN MULTIMEDIA

2.1. 1) Macintosh formats

2.2. 2) Windows formats

2.3. 3) Cross - platform formats

2.4. 4) Image file comression

3. 3-D DRAWING AND RENDERING

3.1. 3-D Drawing

3.1.1. 1) 3-D animation tools

3.1.1.1. - Daz3D

3.1.1.2. - Form*Z

3.1.1.3. - Autodesk's Maya

3.1.1.4. - Trimble's SketchUp

3.1.2. 2) Features of a 3-D appilcation

3.1.2.1. 1) Modelling

3.1.2.2. 2) Extrusion

3.1.2.3. 3) Lathing

3.1.3. 3) Panoramas

3.1.4. 3) Panoramas

3.2. Rendering

3.2.1. 1) Use of intricate algorithms to appy user-specified effects.

3.2.2. 2) Take many hours for a single image.

4. TYPE OF GRAPHIC

4.1. Bitmaps (rasters) graphics

4.1.1. 1) Bitmaps are an image format suited for creation of :

4.1.1.1. a. Photo-realitic images

4.1.1.2. b. Complex drawings requiring fine detail

4.1.2. 2) Where do bitmaps come from?

4.1.2.1. a. capture a bitmap using a camera

4.1.2.2. b. capture a bitmap from a photo or other artwork using a sacnner to digitize the image.

4.1.2.3. c. make a bitmaps from scratch with a paint or drawing program.

4.1.3. 3) The industry-standard programs for bitmap painting and editing are :

4.2. Vector-drawn graphics

4.2.1. 1) Applications of vector-drawn object

4.2.1.1. - Computer-aided design (CAD) programs needed by architect and engineers

4.2.1.2. - Graphic artists designing for the paint media

4.2.1.3. - 3-D animation programs - changes of position, rotation, and shading of light.

4.2.1.4. - Applications requiring drawing of graphic shapes.

4.2.2. 2) How vector-drawn images work

4.2.3. 3) vector-drawn images versus bitmaps