42 lines
938 B
Plaintext
42 lines
938 B
Plaintext
'\" e
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'\"! eqn | mmdoc
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'\"macro stdmacro
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.ds Vn Version 1.2
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.ds Dt 6 March 1997
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.ds Re Release 1.2.0
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.ds Dp May 02 11:53
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.ds Dm 37 ortho2d.g
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.ds Xs 62574 3 ortho2d.gl
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.TH GLUORTHO2D 3G
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.SH NAME
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.B "gluOrtho2D
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\- define a 2D orthographic projection matrix
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.SH C SPECIFICATION
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void \f3gluOrtho2D\fP(
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GLdouble \fIleft\fP,
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.nf
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.ta \w'\f3void \fPgluOrtho2D( 'u
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GLdouble \fIright\fP,
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GLdouble \fIbottom\fP,
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GLdouble \fItop\fP )
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.fi
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.EQ
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delim $$
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.EN
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.SH PARAMETERS
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.TP \w'\f2left\fP\ \f2right\fP\ \ 'u
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\f2left\fP, \f2right\fP
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Specify the coordinates for the left and right vertical clipping planes.
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.TP
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\f2bottom\fP, \f2top\fP
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Specify the coordinates for the bottom and top horizontal clipping planes.
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.SH DESCRIPTION
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\%\f3gluOrtho2D\fP sets up a two-dimensional orthographic viewing region.
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This is equivalent to calling \f3glOrtho\fP with $ near ~=~ -1 $ and
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$ far ~=~ 1 $.
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.SH SEE ALSO
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\f3glOrtho(3G)\fP, \%\f3gluPerspective(3G)\fP
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