gluOrtho2D(3G) OpenGL Reference gluOrtho2D(3G)
NAME
gluOrtho2D - define a 2D orthographic projection matrix
C SPECIFICATION
void gluOrtho2D( GLdouble left,
GLdouble right,
GLdouble bottom,
GLdouble top )
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, gluPerspective
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