fgluOrtho2D(3G) OpenGL Reference fgluOrtho2D(3G)NAME
fgluOrtho2D - define a 2D orthographic projection matrix
FORTRAN SPECIFICATION
SUBROUTINE fgluOrtho2D( REAL*4 left,
REAL*4 right,
REAL*4 bottom,
REAL*4 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
fgluOrtho2D sets up a two-dimensional orthographic viewing region. This
is equivalent to calling glOrtho with near = -1 and far = 1.
SEE ALSO
glOrtho, fgluPerspective
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