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 * Copyright (C) 2012 - 2016 - Scilab Enterprises
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<refentry 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" xmlns:scilab="http://www.scilab.org" xml:id="h5read" xml:lang="en">
    <refnamediv>
        <refname>h5read</refname>
        <refpurpose>Read the data of HDF5 dataset</refpurpose>
    </refnamediv>
    <refsynopsisdiv>
        <title>Syntax</title>
        <synopsis>
            h5read(obj [, name, [, start, count [, stride [, block]]]])
            h5read(filename, name [, start, count [, stride [, block]])
        </synopsis>
    </refsynopsisdiv>
    <refsection>
        <title>Arguments</title>
        <variablelist>
            <varlistentry>
                <term>obj</term>
                <listitem>
                    <para>a H5Object</para>
                </listitem>
            </varlistentry>
            <varlistentry>
                <term>name</term>
                <listitem>
                    <para>a string giving the path to the new dataset</para>
                </listitem>
            </varlistentry>
            <varlistentry>
                <term>start</term>
                <listitem>
                    <para>a row of doubles containing the start of the hyperslab</para>
                </listitem>
            </varlistentry>
            <varlistentry>
                <term>count</term>
                <listitem>
                    <para>a row of doubles containing the count of the hyperslab</para>
                </listitem>
            </varlistentry>
            <varlistentry>
                <term>stride</term>
                <listitem>
                    <para>a row of doubles containing the stride of the hyperslab</para>
                </listitem>
            </varlistentry>
            <varlistentry>
                <term>block</term>
                <listitem>
                    <para>a row of doubles containing the block of the hyperslab</para>
                </listitem>
            </varlistentry>
            <varlistentry>
                <term>filename</term>
                <listitem>
                    <para>a string giving the filename</para>
                </listitem>
            </varlistentry>
        </variablelist>
    </refsection>
    <refsection>
        <title>Description</title>
        <para>Read the content of a dataset according to the optional hyperslab selection.</para>
        <para>It is possible to make an hyperslab selection on the data.</para>
        <para>
            <inlinemediaobject>
                <imageobject>
                    <imagedata fileref="../images/hyperslab_selection.png" align="center" valign="middle"/>
                </imageobject>
            </inlinemediaobject>
        </para>
        <para>The arguments start, count, stride and block must have a size equal to the number of dimensions of the data:
            <simplelist type="inline">
                <member>
                    start: gives the coordinates in the data where to start the selection.
                </member>
                <member>
                    count: gives the number of selected blocks in each dimension.
                </member>
                <member>
                    stride: gives the shift between two consecutives blocks in each dimension. Take care that the stride must be greater than the corresponding block dimension.
                </member>
                <member>
                    block: gives the block dimensions.
                </member>
            </simplelist>
        </para>
        <para>By default stride and block are set to 1 in each dimension.</para>
    </refsection>
    <refsection>
        <title>Examples</title>
        <programlisting role="example"><![CDATA[
x = int8(matrix(1:80, 10, 8));
save(TMPDIR + "/x.sod", "x"); // SOD files are HDF5 ones

// Open the created file
a = h5open(TMPDIR + "/x.sod");

// Read the data from the dataset 'x'
dx = h5read(a, "/x")

// Now select a part
dx1 = h5read(a, "/x", [3 4], [5 3])

// ...which is equivalent to
dx(3:(3+5-1),4:(4+3-1))

// We have finished so we free all the resources
h5close(a);
    ]]></programlisting>
    </refsection>
    <refsection role="see also">
        <title>See also</title>
        <simplelist type="inline">
            <member>
                <link linkend="h5readattr">h5readattr</link>
            </member>
            <member>
                <link linkend="h5write">h5write</link>
            </member>
            <member>
                <link linkend="h5dataset">h5dataset</link>
            </member>
        </simplelist>
    </refsection>
    <refsection>
        <title>History</title>
        <revhistory>
            <revision>
                <revnumber>5.5.0</revnumber>
                <revremark>HDF5 module introduced.</revremark>
            </revision>
        </revhistory>
    </refsection>
</refentry>
