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<?xml version="1.0" encoding="ISO-8859-1"?>
<!--
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) ENPC - Jean-Philippe Chancelier
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
*
-->
<refentry version="5.0-subset Scilab" xml:id="Matplot1" xml:lang="en"
xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:svg="http://www.w3.org/2000/svg"
xmlns:ns5="http://www.w3.org/1999/xhtml"
xmlns:mml="http://www.w3.org/1998/Math/MathML"
xmlns:db="http://docbook.org/ns/docbook">
<info>
<pubdate>$LastChangedDate$</pubdate>
</info>
<refnamediv>
<refname>Matplot1</refname>
<refpurpose>Esboo 2d de matrizes utilizando cores</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Seqncia de Chamamento</title>
<synopsis>Matplot1(a,rect)</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parmetros</title>
<variablelist>
<varlistentry>
<term>a</term>
<listitem>
<para>matriz de reais de tamanho (n1,n2). </para>
</listitem>
</varlistentry>
<varlistentry>
<term>rect</term>
<listitem>
<para> <literal>[xmin,ymin,xmax,ymax]</literal></para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Descrio</title>
<para>As entradas da matriz <literal>int(a)</literal> so utilizadas como
entradas de mapa de cores no mapa de cores corrente.
<literal>rect</literal> especifica um retngulo na escala corrente e a
matriz desenhada dentro deste retngulo. Cada entrada da matriz ser
renderizada como um pequeno retngulo preenchido com sua cor
associada.</para>
</refsection>
<refsection>
<title>Exemplos</title>
<programlisting role="example"><![CDATA[
//--- primeiro exemplo
clf();
ax=gca();//obtendo o manipulador dos eixos correntes
ax.data_bounds=[0,0;10,10];//set the data_bounds
ax.box='on'; //desenha uma caixa
a=5*ones(11,11); a(2:10,2:10)=4; a(5:7,5:7)=2;
// primeira matriz no retngulo [1,1,3,3]
Matplot1(a,[1,1,3,3])
a=ones(10,10); a= 3*tril(a)+ 2*a;
// segunda matriz no retngulo [5,6,7,8]
Matplot1(a,[5,6,7,8])
//--- segundo exemplo (animao)
n=100;
clf();
f=gcf();//obtendo o manipulador da figura corrente
f.pixmap='on';//modo de buffer duplo
ax=gca();//obtendo o manipulador dos eixos corrente
ax.data_bounds=[0,0;10,10];//ajustando the data_bounds
ax.box='on'; //desenhando uma caixa
show_pixmap()
for k=-n:n,
a=ones(n,n);
a= 3*tril(a,k)+ 2*a;
a= a + a';
k1= 3*(k+100)/200;
if k>-n then delete(gce()),end
Matplot1(a,[k1,2,k1+7,9])
show_pixmap() //enviando o buffer duplo para a tela
end
]]></programlisting>
</refsection>
<refsection>
<title>Ver Tambm</title>
<simplelist type="inline">
<member><link linkend="colormap">colormap</link></member>
<member><link linkend="plot2d">plot2d</link></member>
<member><link linkend="Matplot">Matplot</link></member>
<member><link linkend="grayplot">grayplot</link></member>
<member><link
linkend="Matplot_properties">Matplot_properties</link></member>
</simplelist>
</refsection>
<refsection>
<title>Autor</title>
<para>J.Ph.C.</para>
</refsection>
</refentry>
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