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N glNormal Description The current normal is set to the given coordinates whenever glNormal is issued. Byte, short, or integer arguments are converted to floating-point format with a linear mapping that maps the most positive representable integer value to 1.0, and the most negative representable integer value to - 1.0. Normals specified with glNormal need not have unit length. If normalization is enabled, then normals specified with glNormal are normalized after transformation. To enable and disable normalization, call glEnable and glDisable with the argument GL_NORMALIZE. Normalization is initially disabled. Notes The current normal can be updated at any time. In particular, glNormal can be called between a call to glBegin and the corresponding call to glEnd. Associated Gets glGet with argument GL_CURRENT_NORMAL glIsEnabled with argument GL_NORMALIZE See Also glBegin glColor, glIndex, glNormalPointer, glTexCoord, glVertex Chapter 12 301

Section	Page
OpenGL 1.1 Reference	1
OpenGL 1.1 Reference	1
OpenGL 1.1 Reference	1
for HP-UX 11.x	1
Manufacturing Part Number: B2355-IE001	1
Edition E0302	1
© Copyright 2002 by Hewlett-Packard	1
© Copyright 2002 by Hewlett-Packard	1
Legal Notices	2
Legal Notices	2
The information contained in this document is subject to change without notice. Hewlett-Packard a...	2
Restricted Rights Legend	2
Restricted Rights Legend	2
Use, duplication, or disclosure by the U.S. Government Department of Defense is subject to restri...	2
This document contains proprietary information that is protected by copyright. All rights are res...	2
UNIX is a registered trademark in the United States of America and other countries, licensed excl...	2
This software and documentation is based in part on the Fourth Berkeley Software Distribution und...	2
© Copyright 2002 Hewlett-Packard Company. All Rights Reserved.	2
© Copyright 2002 Hewlett-Packard Company. All Rights Reserved.	2
© Copyright 1980, 1984 AT&T, Inc.	2
© Copyright 1980, 1984 AT&T, Inc.	2
© Copyright 1979, 1980, 1983 The Regents of the University of California.	2
© Copyright 1979, 1980, 1983 The Regents of the University of California.	2
1 A	9
glAccum	10
C Specification	10
Parameters	10
Description	10
Notes	11
Errors	11
Associated Gets	11
See Also	11
glAlphaFunc	13
C Specification	13
Parameters	13
Description	13
Notes	14
Errors	14
Associated Gets	14
See Also	14
glAreaTexturesResident	15
C Specification	15
Parameters	15
Description	15
Notes	15
Errors	16
Associated Gets	16
See Also	16
glArrayElement	17
C Specification	17
Parameters	17
Description	17
Notes	17
See Also	17
2 B	19
glBegin	20
C Specification	20
Parameters	20
Description	20
Errors	21
See Also	22
gluBeginCurve	23
C Specification	23
Parameters	23
Description	23
See Also	23
gluBeginPolygon	24
C Specification	24
Parameters	24
Description	24
Notes	24
See Also	24
gluBeginSurface	25
C Specification	25
Parameters	25
Description	25
See Also	25
gluBeginTrim	26
C Specification	26
Parameters	26
Description	26
See Also	27
glBindTexture	28
C Specification	28
Parameters	28
Description	28
Notes	29
Errors	29
Associated Gets	29
See Also	29
glBitMap	30
C Specification	30
Parameters	30
Description	30
Notes	31
Errors	31
Associated Gets	31
See Also	31
glBlendColorEXT	32
C Specification	32
Parameters	32
Description	32
Notes	32
Errors	32
Associated Gets	32
See Also	32
glBlendFunc	33
C Specification	33
Parameters	33
Description	33
Parameters	34
<TABLE>	34
Examples	35
Notes	35
Errors	35
Associated Gets	35
See Also	35
gluBuild1DMipmaps	36
C Specification	36
Parameters	36
Description	36
Notes	37
Errors	37
Bugs	37
See Also	37
gluBuild2DMipmaps	38
C Specification	38
Parameters	38
Description	38
Notes	39
Errors	39
See Also	39
3 C	41
glCallList	42
C Specification	42
Parameters	42
Description	42
Notes	42
Associated Gets	42
See Also	42
glCallLists	43
C Specification	43
Parameters	43
Description	43
Notes	44
Errors	44
Associated Gets	44
See Also	45
glXChooseVisual	46
C Specification	46
Parameters	46
Description	46
Examples	48
Notes	48
Errors	48
See Also	49
glClear	50
C Specification	50
Parameters	50
Description	50
Notes	50
Errors	51
Associated gets	51
See Also	51
glClearAccum	52
C Specification	52
Parameters	52
Description	52
Errors	52
Associated Gets	52
See Also	52
glClearColor	53
C Specification	53
Parameters	53
Description	53
Errors	53
Associated Gets	53
See Also	53
glClearDepth	54
C Specification	54
Parameters	54
Description	54
Errors	54
Associated Gets	54
See Also	54
glClearindex	55
C Specification	55
Parameters	55
Description	55
Errors	55
Associated Gets	55
See Also	55
glClearStencil	56
C Specification	56
Parameters	56
Description	56
Errors	56
Associated Gets	56
See Also	56
glClipPlane	57
C Specification	57
Parameters	57
Description	57
Notes	57
Errors	57
Associated gets	58
See Also	58
glColor	59
C Specification	59
Parameters	61
Description	61
Notes	61
Associated Gets	62
See Also	62
glColorMask	63
C Specification	63
Parameters	63
Description	63
Errors	63
Associated Gets	63
See Also	63
glColorMaterial	64
C Specification	64
Parameters	64
Description	64
Notes	64
Errors	64
Associated Gets	65
See Also	65
glColorPointer	66
C Specification	66
Parameters	66
Description	66
Notes	66
Errors	67
Associated Gets	67
See Also	67
glXCopyContext	68
C Specification	68
Parameters	68
Description	68
Notes	68
Errors	69
See Also	69
glCopyPixels	70
C Specification	70
Parameters	70
Description	70
Examples	72
Notes	72
Errors	72
Associated Gets	72
See Also	72
glCopyTexImage1D	74
C Specification	74
Parameters	74
Description	74
Notes	75
Errors	75
Associated Gets	75
See Also	76
glCopyTexImage2D	77
C Specification	77
Parameters	77
Description	78
Notes	78
Errors	78
Associated Gets	79
See Also	79
glCopyTexSubImage1D	80
C Specification	80
Parameters	80
Description	80
Notes	80
Errors	81
Associated Gets	81
See Also	81
glCopyTexSubImage2D	82
C Specification	82
Parameters	82
Description	82
Notes	83
Errors	83
Associated gets	83
See Also	83
glCopyTexSubImage3DEXT	85
C Specification	85
Parameters	85
Description	85
Notes	86
Errors	86
Associated Gets	86
See Also	86
glXCreateContext	87
C Specification	87
Parameters	87
Description	87
Notes	88
Errors	88
See Also	88
glXCreateGLXPixmap	89
C Specification	89
Parameters	89
Description	89
Notes	89
Errors	89
See Also	90
glCullFace	91
C Specification	91
Parameters	91
Description	91
Notes	91
Errors	91
Associated Gets	91
See Also	91
gluCylinder	92
C Specification	92
Parameters	92
Description	92
See Also	92
4 D	93
glDeleteLists	94
C Specification	94
Parameters	94
Description	94
Errors	94
See Also	94
gluDeleteNurbsRenderer	95
C Specification	95
Parameters	95
Description	95
See Also	95
gluDeleteQuadric	96
C Specification	96
Parameters	96
Description	96
See Also	96
gluDeleteTess	97
C Specification	97
Parameters	97
Description	97
See Also	97
glDeleteTextures	98
C Specification	98
Parameters	98
Description	98
Notes	98
Errors	98
Associated Gets	98
See Also	98
glDepthFunc	100
C Specification	100
Parameters	100
Description	100
Notes	101
Errors	101
Associated Gets	101
See Also	101
glDepthMask	102
C Specification	102
Parameters	102
Description	102
Errors	102
Associated Gets	102
See Also	102
glDepthRange	103
C Specification	103
Parameters	103
Description	103
Notes	103
Errors	103
Associated Gets	103
See Also	103
glXDestroyContext	104
C Specification	104
Parameters	104
Description	104
Errors	104
See Also	104
glXDestroyGLXPixmap	105
C Specification	105
Parameters	105
Description	105
Errors	105
See Also	105
glDisable	106
C Specification	106
Parameters	106
Description	106
Notes	110
Errors	110
See Also	110
gluDisk	112
C Specification	112
Parameters	112
Description	112
See Also	112
glDrawArrays	113
C Specification	113
Parameters	113
Description	113
Notes	113
Errors	114
See Also	114
glDrawArraysSethp	115
C Specification	115
Parameters	115
Description	115
Notes	115
Errors	116
See Also	116
glDrawBuffer	117
C Specification	117
Parameters	117
Description	117
Notes	118
Errors	118
Associated Gets	118
See Also	118
glDrawElements	119
C Specification	119
Parameters	119
Description	119
Notes	119
Errors	120
See Also	120
glDrawPixels	121
C Specification	121
Parameters	121
Description	121
<TABLE>	125
Errors	125
Associated Gets	125
See Also	126
5 E	127
glEdgeFlag	128
C Specification	128
Parameters	128
Description	128
Notes	128
Associated Gets	128
See Also	128
glEdgeFlagPointer	129
C Specification	129
Parameters	129
Description	129
Notes	129
Errors	130
Associated Gets	130
See Also	130
glEnable	131
C Specification	131
Parameters	131
Description	131
Notes	135
Errors	135
See Also	135
glEnableClientState	137
C Specification	137
Parameters	137
Description	137
Notes	138
Errors	138
See Also	138
glErrorString	139
C Specification	139
Parameters	139
Description	139
See Also	139
glEvalCoord	140
C Specification	140
Parameters	140
Description	140
Associated Gets	141
See Also	142
glEvalMesh	143
C Specification	143
Parameters	143
Description	143
Errors	144
Associated Gets	145
See Also	145
glEvalPoint	146
C Specification	146
Parameters	146
Description	146
Associated Gets	147
See Also	147
6 F	149
glFeedbackBuffer	150
C Specification	150
Parameters	150
Description	150
<TABLE>	152
Notes	152
Errors	152
Associated Gets	152
See Also	152
glFinish	153
C Specification	153

Match case Limit results 1 per page

glNormal

Chapter 12

301

Description

The current normal is set to the given coordinates whenever glNormal is issued. Byte,

short, or integer arguments are converted to ﬂoating-point format with a linear mapping

that maps the most positive representable integer value to 1.0, and the most negative

representable integer value to - 1.0.

Normals speciﬁed with glNormal need not have unit length. If normalization is enabled,

then normals speciﬁed with glNormal are normalized after transformation. To enable

and disable normalization, call glEnable and glDisable with the argument

GL_NORMALIZE. Normalization is initially disabled.

Notes

The current normal can be updated at any time. In particular, glNormal can be called

between a call to glBegin and the corresponding call to glEnd.

Associated Gets

glGet with argument GL_CURRENT_NORMAL

glIsEnabled with argument GL_NORMALIZE