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[Plplot-cvs] SF.net SVN: plplot:[11085] trunk/doc/docbook/src/api.xml
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From: <hba...@us...> - 2010-07-02 22:30:18
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Revision: 11085
http://plplot.svn.sourceforge.net/plplot/?rev=11085&view=rev
Author: hbabcock
Date: 2010-07-02 22:30:12 +0000 (Fri, 02 Jul 2010)
Log Message:
-----------
Tweak plarc docs. Add documentation for plfsurf3d.
Modified Paths:
--------------
trunk/doc/docbook/src/api.xml
Modified: trunk/doc/docbook/src/api.xml
===================================================================
--- trunk/doc/docbook/src/api.xml 2010-06-30 09:57:53 UTC (rev 11084)
+++ trunk/doc/docbook/src/api.xml 2010-07-02 22:30:12 UTC (rev 11085)
@@ -368,9 +368,13 @@
</para>
<para>
- Draw a possible filled arc centered at x,y with
- semimajor axis a and semiminor axis b, starting
- at angle1 and ending at angle2.
+ Draw a possible filled arc centered at
+ <literal><parameter>x</parameter></literal>,
+ <literal><parameter>y</parameter></literal> with semimajor axis
+ <literal><parameter>a</parameter></literal> and semiminor axis
+ <literal><parameter>b</parameter></literal>, starting at
+ <literal><parameter>angle1</parameter></literal> and ending at
+ <literal><parameter>angle2</parameter></literal>.
</para>
<variablelist>
@@ -13882,6 +13886,218 @@
</para>
<para>
+ This function is not used in any examples.
+ </para>
+
+ </sect1>
+
+ <sect1 id="plfsurf3d" renderas="sect3">
+ <title>
+ <function>plfsurf3d</function>: Plot shaded 3-d surface plot
+ </title>
+
+ <para>
+ <funcsynopsis>
+ <funcprototype>
+ <funcdef>
+ <function>plsurf3d</function>
+ </funcdef>
+ <paramdef><parameter>x</parameter></paramdef>
+ <paramdef><parameter>y</parameter></paramdef>
+ <paramdef><parameter>zops</parameter></paramdef>
+ <paramdef><parameter>zp</parameter></paramdef>
+ <paramdef><parameter>nx</parameter></paramdef>
+ <paramdef><parameter>ny</parameter></paramdef>
+ <paramdef><parameter>opt</parameter></paramdef>
+ <paramdef><parameter>clevel</parameter></paramdef>
+ <paramdef><parameter>nlevel</parameter></paramdef>
+ </funcprototype>
+ </funcsynopsis>
+ </para>
+
+ <para>
+ Plots a three dimensional shaded surface plot within the environment set up
+ by &plw3d;. The surface is defined by the data contained in the 2D
+ <literal>PLFLT **</literal> matrix or the <literal>PLfGrid2</literal> structure
+ <literal><parameter>zp</parameter></literal>. How the data in
+ <literal><parameter>zp</parameter></literal> is rendered is determined by the
+ <literal><parameter>zops</parameter></literal> parameter.
+ <literal><parameter>zops</parameter></literal> is a pointer to a function
+ that reads the data out of the grid structure. The following functions in
+ PLplot core will return an appropriate function pointer:
+ <literal>plf2ops_c()</literal> (use when
+ <literal><parameter>zp</parameter></literal> is of type
+ <literal>PLFLT **</literal>),
+ <literal>plf2ops_grid_c()</literal> (use when
+ <literal><parameter>zp</parameter></literal>
+ is a pointer to a row-major <literal>PLfGrid2</literal> structure),
+ <literal>plf2ops_grid_row_major()</literal>
+ (same as <literal>plf2ops_grid_c()</literal>?) and
+ <literal>plf2ops_grid_col_major()</literal>
+ (use when <literal><parameter>zp</parameter></literal> is a pointer to a
+ column-major <literal>PLfGrid2</literal> structure).
+ <literal><parameter>nx</parameter></literal>,
+ <literal><parameter>ny</parameter></literal>
+ <literal><parameter>opt</parameter></literal>
+ <literal><parameter>clevel</parameter></literal> and
+ <literal><parameter>nlevel</parameter></literal> are the same as in
+ for example &plsurf3d;.
+ </para>
+
+ <variablelist>
+ <varlistentry>
+ <term>
+ <parameter>x</parameter>
+ (<literal>PLFLT *</literal>, input)
+ </term>
+ <listitem>
+ <para>
+ Pointer to set of x coordinate values at which the function is
+ evaluated.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>
+ <parameter>y</parameter>
+ (<literal>PLFLT *</literal>, input)
+ </term>
+ <listitem>
+ <para>
+ Pointer to set of y coordinate values at which the function is
+ evaluated.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>
+ <parameter>zops</parameter>
+ (<literal>void (*) (?)</literal>, input)
+ </term>
+ <listitem>
+ <para>
+ Pointer to a function for processing the data contained in zp.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>
+ <parameter>zp</parameter>
+ (<literal>PLFLT ** or PLfGrid2 *</literal>, input)
+ </term>
+ <listitem>
+ <para>
+ Pointer to the data to be plotted, either as a vectored
+ two-dimensional array with set of function values, or as
+ PLfGrid2 structure.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>
+ <parameter>nx</parameter>
+ (<literal>PLINT</literal>, input)
+ </term>
+ <listitem>
+ <para>
+ Number of <literal><parameter>x</parameter></literal> values at
+ which function is evaluated.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>
+ <parameter>ny</parameter>
+ (<literal>PLINT</literal>, input)
+ </term>
+ <listitem>
+ <para>
+ Number of <literal><parameter>y</parameter></literal> values at
+ which function is evaluated.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>
+ <parameter>opt</parameter>
+ (<literal>PLINT</literal>, input)
+ </term>
+ <listitem>
+ <para>
+ Determines the way in which the surface is represented. To specify
+ more than one option just add the options, e.g. FACETED + SURF_CONT
+ <itemizedlist>
+ <listitem>
+ <para>
+ <literal><parameter>opt</parameter>=FACETED</literal>: Network
+ of lines is drawn connecting points at which function is
+ defined.
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ <literal><parameter>opt</parameter>=BASE_CONT</literal>: A contour
+ plot is drawn at the base XY plane using parameters
+ <parameter>nlevel</parameter> and <parameter>clevel</parameter>.
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ <literal><parameter>opt</parameter>=SURF_CONT</literal>: A contour
+ plot is drawn at the surface plane using parameters
+ <parameter>nlevel</parameter> and <parameter>clevel</parameter>.
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ <literal><parameter>opt</parameter>=DRAW_SIDES</literal>: draws a curtain
+ between the base XY plane and the borders of the plotted function.
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ <literal><parameter>opt</parameter>=MAG_COLOR</literal>:
+ the surface is colored according to the value of Z; if
+ <literal>MAG_COLOR</literal> is not used, then the default
+ the surface is colored according to the intensity of the
+ reflected light in the surface from a light source whose
+ position is set using &pllightsource;.
+ </para>
+ </listitem>
+ </itemizedlist>
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <parameter>clevel</parameter>
+ (<literal>PLFLT *</literal>, input)
+ </term>
+ <listitem>
+ <para>
+ Pointer to the array that defines the contour level spacing.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>
+ <parameter>nlevel</parameter>
+ (<literal>PLINT</literal>, input)
+ </term>
+ <listitem>
+ <para>
+ Number of elements in the <literal>clevel</literal> array.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+
+ <para>
+ Redacted form? <function>plfsurf3d(x, y, zops, zp, opt, clevel)</function>
+ </para>
+
+ <para>
This function is used in example 8.
</para>
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