Module 9

Question 1

Specify Current Matrix Stack

Answer 1

glMatrixMode ( GL_MODELVIEW or GL_PROJECTION

Question 2

Viewport

Answer 2

usually same as window size
glViewport ( x, y, width, height)

Question 3

Perspective projection

Answer 3

gluPerspective ( fovy , aspect, zNear , zFar
glFrustum ( left, right, bottom, top, zNear , zFar

Question 4

Orthographic parallel projection

Answer 4

glOrtho ( left, right, bottom, top, zNear , zFar
gluOrtho2D( left, right, bottom, top )

Question 5

Projection transformations ( gluPerspective , glOrtho ) are _______

Answer 5

left handed

Question 6

Everything else is _________, including the vertexes to be rendered

Answer 6

right handed

Question 7

With an orthographic projection, the viewing volume is a rectangular
parallele piped , or more informally , a box

Answer 7

glOrtho ( left, right, bottom, top, zNear , zFar

Question 8

allocate a Z buffer for hidden surface
elimination

Answer 8

GLUT_DEPTH

Question 9

define a viewing transformation

Answer 9

glulookAt

Question 10

The matrix mode to use in glMatrixMode() to transform camera on the screen.
Group of answer choices

GL_MODEL

GL_MODELVIEW

GL_PROJECTIONVIEW

GL_PROJECTION

Answer 10

GL_MODELVIEW

Question 11

_________ is a rigid body transformation that moves objects without deformation.
Group of answer choices

Translation

Scaling

Rotation

All of the mentioned

Answer 11

Translation