102 lines
4.1 KiB
XML
102 lines
4.1 KiB
XML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook MathML Module V1.1b1//EN"
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"http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd">
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<refentry id="gluQuadricNormals">
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<refmeta>
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<refmetainfo>
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<copyright>
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<year>1991-2006</year>
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<holder>Silicon Graphics, Inc.</holder>
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</copyright>
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</refmetainfo>
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<refentrytitle>gluQuadricNormals</refentrytitle>
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<manvolnum>3G</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>gluQuadricNormals</refname>
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<refpurpose>specify what kind of normals are desired for quadrics</refpurpose>
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</refnamediv>
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<refsynopsisdiv><title>C Specification</title>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>gluQuadricNormals</function></funcdef>
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<paramdef>GLUquadric* <parameter>quad</parameter></paramdef>
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<paramdef>GLenum <parameter>normal</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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</refsynopsisdiv>
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<!-- eqn: ignoring delim $$ -->
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<refsect1 id="parameters"><title>Parameters</title>
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<variablelist>
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<varlistentry>
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<term><parameter>quad</parameter></term>
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<listitem>
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<para>
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Specifies the quadrics object (created with <citerefentry><refentrytitle>gluNewQuadric</refentrytitle></citerefentry>).
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>normal</parameter></term>
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<listitem>
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<para>
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Specifies the desired type of normals. Valid values are
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<constant>GLU_NONE</constant>,
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<constant>GLU_FLAT</constant>, and
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<constant>GLU_SMOOTH</constant>.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1 id="description"><title>Description</title>
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<para>
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<function>gluQuadricNormals</function> specifies what kind of normals are desired for quadrics rendered with
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<parameter>quad</parameter>. The legal values are as follows:
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</para>
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<variablelist>
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<varlistentry>
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<term><constant>GLU_NONE</constant></term>
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<listitem>
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<para>
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No normals are generated.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><constant>GLU_FLAT</constant></term>
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<listitem>
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<para>
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One normal is generated for every facet of a quadric.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><constant>GLU_SMOOTH</constant></term>
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<listitem>
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<para>
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One normal is generated for every vertex of a quadric. This is the
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initial value.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1 id="seealso"><title>See Also</title>
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<para>
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<citerefentry><refentrytitle>gluNewQuadric</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>gluQuadricDrawStyle</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>gluQuadricOrientation</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>gluQuadricTexture</refentrytitle></citerefentry>
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</para>
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</refsect1>
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<refsect1 id="Copyright"><title>Copyright</title>
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<para>
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Copyright <trademark class="copyright"></trademark> 1991-2006
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Silicon Graphics, Inc. This document is licensed under the SGI
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Free Software B License. For details, see
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<ulink url="http://oss.sgi.com/projects/FreeB/">http://oss.sgi.com/projects/FreeB/</ulink>.
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</para>
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</refsect1>
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</refentry>
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