1GLUORTHO2D(3G) GLUORTHO2D(3G)
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6 gluOrtho2D - define a 2D orthographic projection matrix
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10 void gluOrtho2D( GLdouble left,
11 GLdouble right,
12 GLdouble bottom,
13 GLdouble top )
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17 left, right Specify the coordinates for the left and right vertical
18 clipping planes.
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20 bottom, top Specify the coordinates for the bottom and top horizontal
21 clipping planes.
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24 gluOrtho2D sets up a two-dimensional orthographic viewing region. This
25 is equivalent to calling glOrtho with near=−1 and far=1.
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28 glOrtho(3G), gluPerspective(3G)
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33 GLUORTHO2D(3G)