GLUORTHO2D(3G) |
|
GLUORTHO2D(3G) |
NAME
gluOrtho2D - define a 2D orthographic projection matrix
C SPECIFICATION
void
gluOrtho2D( GLdouble
left,
GLdouble
right,
GLdouble
bottom,
GLdouble
top )
delim$$
PARAMETERS
-
left, right
-
Specify the coordinates for the left and right vertical clipping planes.
-
bottom, top
-
Specify the coordinates for the bottom and top horizontal clipping planes.
DESCRIPTION
gluOrtho2D sets up a two-dimensional orthographic viewing region. This is equivalent to calling glOrtho with $ near ~=~ -1 $ and $ far ~=~ 1 $.
SEE ALSO
glOrtho(3G),
gluPerspective(3G)