Computer Graphics - General Reviewer

2D Computer Graphics

Introduction to fundamentals of 2D graphics.

3D Computer Graphics

Introduction to fundamentals of 3D graphics.

3D Scanning

Uses range-finding to create measured 3D models.

Alpha

Controls transparency in RGBA mode.

Ambient

Low-light color in lighting.

Animation

Illusion of motion through sequences of images.

API

Application Programming Interface for graphics rendering.

Aspect Ratio

Ratio of horizontal to vertical points for equal lengths.

Beam-Penetration

Method using red and green phosphors for colors.

Bitmap

1 bit per pixel frame buffer.

Bit Planes

Number of bits per pixel in frame buffer.

Callback

Function called on event in GLUT.

Cathode-Ray Tube

Display using electron beam on phosphor screen.

Client-Server Model

OpenGL application as client, implementation as server.

Clipping

Modifying primitives outside viewport.

Color Buffer

Memory for screen color values.

Color Index Mode

Color as index into color table.

Computational Photography

Uses graphics, vision, processing for photography.

Computer Graphics

Generation of images using computers.

CRT

Cathode-Ray Tube display.

Depth

Bits per pixel in frame buffer.

Diffuse

Base color in lighting.

Display Controller

Processor controlling display device.

Display Processor

Frees CPU from graphics tasks.

drawArrays

Renders primitives from array data.

drawElements

Renders primitives using indices.

Emissive Displays

Convert electrical energy to light.

Emission

Glow color in material.

Flat-Panel Display

Reduced volume, weight, power display.

Fragment

Data required to render a single pixel.

Fragment Shader

Calculates final pixel color.

Frame Buffer

Memory area for screen values.

Full-Color System

24 bits per pixel RGB system.

Function

Reusable code block in C.

Function Prototype

Declaration of function signature.

Gas-Discharge Displays

Plasma panels using gas mixture.

Geometric Modeling

Mathematical specification of shape and appearance.

Geometric Primitives

Basic shapes like points, lines, polygons.

Geometry Shader

Processes primitives, creates new ones.

GL_BITMAP_8_BY_13

Bitmap font in GLUT.

GL_BITMAP_9_BY_15

Bitmap font in GLUT.

GL_BITMAP_HELVETICA_10

Bitmap font in GLUT.

GL_BITMAP_HELVETICA_12

Bitmap font in GLUT.

GL_BITMAP_HELVETICA_18

Bitmap font in GLUT.

GL_BITMAP_TIMES_ROMAN_10

Bitmap font in GLUT.

GL_BITMAP_TIMES_ROMAN_24

Bitmap font in GLUT.

GL_COLOR_ARRAY

Enables color array.

GL_COLOR_BUFFER_BIT

Clears color buffer.

GL_DEPTH_BUFFER_BIT

Clears depth buffer.

GL_DEPTH_TEST

Enables depth testing.

GL_ELEMENT_ARRAY_BUFFER

Buffer for element indices.

GL_LIGHT_MODEL_AMBIENT

Global ambient light.

GL_LIGHT0

First light source.

GL_LIGHTING

Enables lighting.

GL_LINE_LOOP

Closed line strip primitive.

GL_LINE_STRIP

Connected line segments primitive.

GL_LINES

Unconnected line segments primitive.

GL_NORMAL_ARRAY

Enables normal array.

GL_POINTS

Points primitive.

GL_POLYGON

Filled convex polygon primitive.

GL_QUADS

Quadrilaterals primitive.

GL_QUAD_STRIP

Connected quadrilaterals primitive.

GL_STROKE_MONO_ROMAN

Stroke font in GLUT.

GL_STROKE_ROMAN

Stroke font in GLUT.

GL_TEXTURE_2D

Enables 2D texturing.

GL_TEXTURE_COORD_ARRAY

Enables texture coordinate array.

GL_TRIANGLE_FAN

Fan of triangles primitive.

GL_TRIANGLE_STRIP

Strip of triangles primitive.

GL_TRIANGLES

Triangles primitive.

GL_VERTEX_ARRAY

Enables vertex array.

glArrayElement

Specifies vertex by index.

glBegin

Begins primitive specification.

glBindBuffer

Binds buffer object.

glBufferData

Allocates and initializes buffer data.

glBufferSubData

Updates buffer subdata.

glColor3f

Sets color with floats.

glColor3ub

Sets color with unsigned bytes.

glColor4f

Sets color with alpha.

glColorPointer

Specifies color array.

glDeleteBuffers

Deletes buffer objects.

glDisable

Disables feature.

glDisableClientState

Disables client state array.

glDrawArrays

Draws arrays.

glDrawElements

Draws elements with indices.

glEnable

Enables feature.

glEnableClientState

Enables client state array.

glEnd

Ends primitive specification.

glFlush

Forces execution of GL commands.

glFrustum

Sets frustum projection.

glGenBuffers

Generates buffer names.

glGenTextures

Generates texture names.

glGetIntegerv

Gets integer value.

glLightModelfv

Sets light model parameters.

glLightfv

Sets light parameters.

glLineStipple

Sets line stipple pattern.

glLineWidth

Sets line width.

glLoadIdentity

Loads identity matrix.

glMapBuffer

Maps buffer to client memory.

glMaterialfv

Sets material properties.

glMatrixMode

Sets matrix mode.