1 <?xml version=
"1.0" encoding=
"UTF-8"?>
2 <!DOCTYPE book PUBLIC
"-//OASIS//DTD DocBook MathML Module V1.1b1//EN"
3 "http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd">
4 <refentry id=
"gluQuadricNormals">
9 <holder>Silicon Graphics, Inc.
</holder>
12 <refentrytitle>gluQuadricNormals
</refentrytitle>
13 <manvolnum>3G
</manvolnum>
16 <refname>gluQuadricNormals
</refname>
17 <refpurpose>specify what kind of normals are desired for quadrics
</refpurpose>
19 <refsynopsisdiv><title>C Specification
</title>
22 <funcdef>void
<function>gluQuadricNormals
</function></funcdef>
23 <paramdef>GLUquadric*
<parameter>quad
</parameter></paramdef>
24 <paramdef>GLenum
<parameter>normal
</parameter></paramdef>
28 <!-- eqn: ignoring delim $$ -->
29 <refsect1 id=
"parameters"><title>Parameters
</title>
32 <term><parameter>quad
</parameter></term>
35 Specifies the quadrics object (created with
<citerefentry><refentrytitle>gluNewQuadric
</refentrytitle></citerefentry>).
40 <term><parameter>normal
</parameter></term>
43 Specifies the desired type of normals. Valid values are
44 <constant>GLU_NONE
</constant>,
45 <constant>GLU_FLAT
</constant>, and
46 <constant>GLU_SMOOTH
</constant>.
52 <refsect1 id=
"description"><title>Description
</title>
54 <function>gluQuadricNormals
</function> specifies what kind of normals are desired for quadrics rendered with
55 <parameter>quad
</parameter>. The legal values are as follows:
59 <term><constant>GLU_NONE
</constant></term>
62 No normals are generated.
67 <term><constant>GLU_FLAT
</constant></term>
70 One normal is generated for every facet of a quadric.
75 <term><constant>GLU_SMOOTH
</constant></term>
78 One normal is generated for every vertex of a quadric. This is the
85 <refsect1 id=
"seealso"><title>See Also
</title>
87 <citerefentry><refentrytitle>gluNewQuadric
</refentrytitle></citerefentry>,
88 <citerefentry><refentrytitle>gluQuadricDrawStyle
</refentrytitle></citerefentry>,
89 <citerefentry><refentrytitle>gluQuadricOrientation
</refentrytitle></citerefentry>,
90 <citerefentry><refentrytitle>gluQuadricTexture
</refentrytitle></citerefentry>
93 <refsect1 id=
"Copyright"><title>Copyright
</title>
95 Copyright
<trademark class=
"copyright"></trademark> 1991-
2006
96 Silicon Graphics, Inc. This document is licensed under the SGI
97 Free Software B License. For details, see
98 <ulink url=
"http://oss.sgi.com/projects/FreeB/">http://oss.sgi.com/projects/FreeB/
</ulink>.