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-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.61 [en] (WinNT; I) [Netscape]">
- <title>HDF5/Tools API Specification
-</title>
-</head>
+<head><title>
+HDF5/Tools API Specification
+</title></head>
+
<body bgcolor="#FFFFFF">
-<hr>
+<hr>
<center>
-
-<table border="0" width="98%">
- <tr>
- <td align=left valign=top>
- <a href="H5.intro.html">Introduction to HDF5</a><br>
- <a href="H5.user.html">HDF5 User Guide</a><br>
- <a href="index.html">Other HDF5 documents and links</a><br>
- <!-- <a href="Glossary.html">Glossary</a><br> -->
- </td>
-
- <td align=right valign=top>
- And in this document, the <a href="RM_H5Front.html">HDF5 Reference Manual</a><br>
- <a href="RM_H5.html">H5</a>
- <a href="RM_H5A.html">H5A</a>
- <a href="RM_H5D.html">H5D</a>
- <a href="RM_H5E.html">H5E</a>
- <a href="RM_H5F.html">H5F</a>
- <a href="RM_H5G.html">H5G</a>
- <a href="RM_H5I.html">H5I</a>
- <a href="RM_H5P.html">H5P</a>
-
- <br>
-
- <a href="RM_H5R.html">H5R</a>
- <a href="RM_H5S.html">H5S</a>
- <a href="RM_H5T.html">H5T</a>
- <a href="RM_H5Z.html">H5Z</a>
- Tools
- <a href="PredefDTypes.html">Datatypes</a>
- </td>
- </tr>
+<table border=0 width=98%>
+<tr><td valign=top align=left>
+<a href="H5.intro.html">Introduction to HDF5</a>&nbsp;<br>
+<a href="H5.user.html">HDF5 User Guide</a>&nbsp;<br>
+<a href="index.html">Other HDF5 documents and links</a>&nbsp;<br>
+<!--
+<a href="Glossary.html">Glossary</a><br>
+-->
+</td>
+<td valign=top align=right>
+And in this document, the
+<a href="RM_H5Front.html">HDF5 Reference Manual</a>&nbsp;&nbsp;
+<br>
+<a href="RM_H5.html">H5</a>&nbsp;&nbsp;
+<a href="RM_H5A.html">H5A</a>&nbsp;&nbsp;
+<a href="RM_H5D.html">H5D</a>&nbsp;&nbsp;
+<a href="RM_H5E.html">H5E</a>&nbsp;&nbsp;
+<a href="RM_H5F.html">H5F</a>&nbsp;&nbsp;
+<a href="RM_H5G.html">H5G</a>&nbsp;&nbsp;
+<a href="RM_H5I.html">H5I</a>&nbsp;&nbsp;
+<a href="RM_H5P.html">H5P</a>&nbsp;&nbsp;
+<br>
+<a href="RM_H5R.html">H5R</a>&nbsp;&nbsp;
+<a href="RM_H5S.html">H5S</a>&nbsp;&nbsp;
+<a href="RM_H5T.html">H5T</a>&nbsp;&nbsp;
+<a href="RM_H5Z.html">H5Z</a>&nbsp;&nbsp;
+Tools&nbsp;&nbsp;
+<a href="PredefDTypes.html">Datatypes</a>&nbsp;&nbsp;
+</td></tr>
</table>
-
</center>
-
<hr>
-<center><h1>HDF5 Tools</h1></center>
-<h2>HDF5 Tool Interfaces</h2>
+<center>
+<h1>HDF5 Tools</h1>
+</center>
+<h2>HDF5 Tool Interfaces</h2>
+<p>
These tools enable the user to examine HDF5 files interactively.
-<table BORDER=0 >
- <tr>
- <td VALIGN=TOP>
- <ul>
- <li><a href="#Tools-Dump">h5dump</a> -- A tool for displaying
- HDF5 file contents</li>
-
- <li><a href="#Tools-Ls">h5ls</a> -- A tool for listing specified
- features of HDF5 file contents</li>
-
- <li><a href="#Tools-Repart">h5repart</a> -- A tool for
- repartitioning a file, creating a family of files</li>
- <li><a href="#Tools-H5toh4">h5toh4</a> -- A tool for converting
- an HDF5 file to an HDF4 file</li>
-
- <li><a href="#Tools-H4toh5">h4toh5</a> -- A tool for converting
- an HDF4 file to an HDF5 file</li>
- </ul>
- </td>
- </tr>
+<table border=0>
+<tr><td valign=top>
+<ul>
+ <li><a href="#Tools-Dump">h5dump</a> --
+ A tool for displaying HDF5 file contents
+ <li><a href="#Tools-Ls">h5ls</a> --
+ A tool for listing specified features of HDF5 file contents
+ <li><a href="#Tools-Repart">h5repart</a> --
+ A tool for repartitioning a file, creating a family of files
+ <li><a href="#Tools-H5toh4">h5toh4</a> --
+ A tool for converting an HDF5 file to an HDF4 file
+ <li><a href="#Tools-H4toh5">h4toh5</a> --
+ A tool for converting an HDF4 file to an HDF5 file
+</ul>
+</td></tr>
</table>
<p>
-<hr>
+<hr>
<dl>
- <dt><b>Tool Name:</b> <a name="Tools-Dump"></a>h5dump</dt>
-
- <dt><b>Syntax:</b></dt>
-
- <dd><tt>h5dump [</tt><i>OPTIONS</i><tt>]</tt> <i>file</i></dd>
-
- <dt><b>Purpose:</b></dt>
-
- <dd>Displays HDF5 file contents in HDF5 DDL or XML.</dd>
-
- <dt><b>Description:</b></dt>
-
- <dd>
-<p>
-The <tt>h5dump</tt> tool enables the user to interactively examine the
-contents of an HDF5 file and dump those contents, in human readable form,
-to an ASCII file. Optionally, the contents of the file may be dumped as
-XML.
-</p>
-
-<p>
-<tt>h5dump</tt> dumps an HDF5 file's contents to standard output. It can
-display the contents of the whole HDF5 file or selected objects, which
-can be groups, datasets, a subset of a dataset, links, attributes, or
-data types.
-</p>
-
-<p>
-The <tt>--header</tt> option displays object header information only.
-</p>
-
-<p>
-Names are the absolute names of the objects. <tt>h5dump</tt> displays
-objects in the same order as given on the command line. If a name does
-not start with a slash (/), <tt>h5dump</tt> begins searching for the
-specified object starting at the root group.
-</p>
-
-<p>
-If an object is hard linked with multiple names, <tt>h5dump</tt> displays
-the contents of the object in the first occurrence. Only the link
-information is displayed in later occurrences.
-</p>
-
-<p>
-<tt>h5dump</tt> assigns a name for any unnamed data type in the form of
-<tt>#</tt><i>oid1</i><tt>:</tt><i>oid2</i>, where <i>oid1</i> and
-<i>oid2</i> are the object identifiers assigned by the library. The
-unnamed types are displayed within the root group.
-</p>
-
-<p>
-Data types are displayed with standard type names. For example, if a data
-set is created with <tt>H5T_NATIVE_INT</tt> type and the standard type
-name for integer on that machine is <tt>H5T_STD_I32BE</tt>,
-<tt>h5dump</tt> displays <tt>H5T_STD_I32BE</tt> as the type of the data
-set.
-</p>
-
-<p>
-<tt>h5dump</tt> can also be used to dump a subset of data from a dataset.
-It operates in much the same way that hyperslabs do in the HDF5 library.
-The parameters specified on the command line are passed to the
-<a href="RM_H5S.html#Dataspace-SelectHyperslab"><tt>H5Sselect_hyperslab</tt></a>
-function and the resulting selection is then displayed.
-</p>
-
-<p>
-The <tt>h5dump</tt> output is described in detail in the <i><a
-href="ddl.html">DDL for HDF5</a></i>, the <i>Data Description
-Language</i> document.
-</p>
-
-<p>
-<i>Note</i>: It is no longer permissable to specify multiple attributes,
-datasets, data types, groups, or soft links with one flag. For example,
-before one could issue the command:
-</p>
-
- <blockquote>
- <tt>h5dump -a /attr1 /attr2 foo.h5</tt>
- </blockquote>
-
-<p>
-and both <tt>/attr1</tt> and <tt>/attr2</tt> would be dumped. In order to
-do this now, one must issue the command:
-</p>
-
- <blockquote>
- <tt>h5dump -a /attr1 -a /attr2 foo.h5</tt>
- </blockquote>
-
- <dt><b>XML Output</b></dt>
-
-<p>
-The <tt>--xml</tt> option selects output in XML. The XML output contains
-a complete description of the file, marked up in XML. The XML conforms to
-the HDF5 Document Type Definition (DTD), which is available at:
-</p>
-
- <dl><a href="http://hdf.ncsa.uiuc.edu/DTDs/HDF5-File.dtd">http://hdf.ncsa.uiuc.edu/DTDs/HDF5-File.dtd</a></dl>
-
-<p>
-The XML output is suitable for use with other tools, including the <a
-href="http://hdf.ncsa.uiuc.edu/java-hdf5-html">HDF5 Java Tools</a>.
-</p>
-
- <dt><b>Options and Parameters:</b></dt>
-
- <dl>
- <dt><tt>-h</tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--help</tt></dt>
-
- <dd>Print a usage message and exit.</dd>
-
- <dt><tt>-B</tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--bootblock</tt></dt>
-
- <dd>Print the content of the boot block.<br>
- <i>(This option is not yet implemented.)</i></dd>
-
- <dt><tt>-H</tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--header</tt></dt>
-
- <dd>Print the header only; no data is displayed.</dd>
-
- <dt><tt>-i</tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--object-ids</tt></dt>
-
- <dd>Print the object ids.</dd>
-
- <dt><tt>-V</tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--version</tt></dt>
-
- <dd>Print version number and exit.</dd>
-
- <dt><tt>-a <i>P</i></tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--attribute=<i>P</i></tt></dt>
-
- <dd>Print the specified attribute.</dd>
-
- <dt><tt>-d <i>P</i></tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--dataset=<i>P</i></tt></dt>
-
- <dd>Print the specified dataset.</dd>
-
- <dt><tt>-g <i>P</i></tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--group=<i>P</i></tt></dt>
-
- <dd>Print the specified group and all members.</dd>
-
- <dt><tt>-l <i>P</i></tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--soft-link=<i>P</i></tt></dt>
-
- <dd>Print the value(s) of the specified soft link.</dd>
-
- <dt><tt>-o <i>F</i></tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--output=<i>F</i></tt></dt>
-
- <dd>Output raw data into file F.</dd>
-
- <dt><tt>-t <i>T</i></tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--datatype=<i>T</i></tt></dt>
-
- <dd>Print the specified named data type.</dd>
-
- <dt><tt>-w <i>N</i></tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--width=<i>N</i></tt></dt>
-
- <dd>Set the number of columns of output.</dd>
-
- <dt><tt>-x <i>U</i></tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--xml</tt></dt>
-
- <dd>Output XML instead of DDL.</dd>
-
- <dt><tt>-D <i>U</i></tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--xml-dtd=<i>U</i></tt></dt>
-
- <dd>In XML output, refer to the DTD at U instead of the default DTD.</dd>
-
- <dt><tt>-s <i>L</i></tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--start=<i>L</i></tt></dt>
-
- <dd>Offset of start of subsetting selection [Default: beginning of
- dataset]</dd>
-
- <dt><tt>-S <i>L</i></tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--stride=<i>L</i></tt></dt>
-
- <dd>Hyperslab stride [Default: 1 in all dimensions]</dd>
-
- <dt><tt>-c <i>L</i></tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--count=<i>L</i></tt></dt>
-
- <dd>Number of blocks to include in selection</dd>
-
- <dt><tt>-k <i>L</i></tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--block=<i>L</i></tt></dt>
-
- <dd>Size of block in hyperslab [Default: 1 in all dimensions]</dd>
-
- <dt><i>file</i></dt>
-
- <dd>The file to be examined.</dd>
- </dl>
-
- <ul>
- <li><i>P</i> - is the full path from the root group to the object.</li>
-
- <li><i>T</i> - is the name of the data type.</li>
-
- <li><i>F</i> - is a filename.</li>
-
- <li><i>N</i> - is an integer greater than 1.</li>
-
- <li><i>L</i> - is a list of integers the number of which are equal to
- the number of dimensions in the dataspace being queried.</li>
-
- <li><i>U</i> - is a URI (as defined in [<a
- href="http://www.ietf.org/rfc/rfc2396.txt">IETF RFC
- 2396</a>], updated by [<a
- href="http://www.ietf.org/rfc/rfc2732.txt">IETF RFC
- 2732</a>]) that refers to the DTD to be used to
- validate the XML.</li>
-
- </ul>
-
-<p>
-Subsetting parameters can be specified in a convenient compact format.
-The format is:
-</p>
-
- <blockquote>
- <tt>--dataset="/foo/mydataset[START;STRIDE;COUNT;BLOCK]"</tt>
- </blockquote>
+<dt><strong>Tool Name:</strong> <a name="Tools-Dump">h5dump</a>
+<dt><strong>Syntax:</strong>
+ <dd><code>h5dump
+ [</code><em>OPTIONS</em><code>]</code> <em>file</em>
+<dt><strong>Purpose:</strong>
+ <dd>Displays HDF5 file contents.
+<dt><strong>Description:</strong>
+ <dd><code>h5dump</code> enables the user to interactively examine
+ the contents of an HDF5 file and dump those contents, in human
+ readable form, to an ASCII file.
+ <p>
+ <code>h5dump</code> dumps HDF5 file content to standard output.
+ It can display the contents of the entire HDF5 file or
+ selected objects, which can be groups, datasets, a subset of a
+ dataset, links, attributes, or datatypes.
+ </p>
+ <p>
+ The <code>--header</code> option displays object header
+ information only.
+ </p>
+ <p>
+ Names are the absolute names of the objects. <code>h5dump</code>
+ displays objects in the order same as the command order. If a
+ name does not start with a slash, <code>h5dump</code> begins
+ searching for the specified object starting at the root group.
+ </p>
+ <p>
+ If an object is hard linked with multiple names,
+ <code>h5dump</code> displays the content of the object in the
+ first occurrence. Only the link information is displayed in later
+ occurrences.
+ </p>
+ <p>
+ <code>h5dump</code> assigns a name for any unnamed datatype in
+ the form of
+ <code>#</code><em>oid1</em><code>:</code><em>oid2</em>, where
+ <em>oid1</em> and <em>oid2</em> are the object identifiers
+ assigned by the library. The unnamed types are displayed within
+ the root group.
+ </p>
+ <p>
+ Datatypes are displayed with standard type names. For example,
+ if a dataset is created with <code>H5T_NATIVE_INT</code> type
+ and the standard type name for integer on that machine is
+ <code>H5T_STD_I32BE</code>, <code>h5dump</code> displays
+ <code>H5T_STD_I32BE</code> as the type of the dataset.
+ </p>
+ <p>
+ <code>h5dump</code> can also dump a subset of a dataset.
+ This feature operates in much the same way as hyperslabs in HDF5;
+ the parameters specified on the commnd line are passed to the
+ function <a href="RM_H5S.html#Dataspace-SelectHyperslab">
+ <code>H5Sselect_hyperslab</code></a> and the resulting selection
+ is displayed.
+ </p>
+ <p>
+ The <code>h5dump</code> output is described in detail in the
+ <a href="ddl.html"><cite>DDL for HDF5</cite></a>, the
+ <cite>Data Description Language</cite> document.
+ </p>
+ <p>
+ <em>Note</em>: It is not permissable to specify multiple
+ attributes, datasets, datatypes, groups, or soft links with one
+ flag. For example, one may not issue the command
+ <br>
+ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+ <font size=-1>WRONG:</font> &nbsp;
+ <code>h5dump -a /attr1 /attr2 foo.h5</code>
+ </br>
+ to display both <code>/attr1</code> and <code>/attr2</code>.
+ One must issue the following command:
+ <br>
+ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+ <font size=-1>CORRECT:</font> &nbsp;
+ <code>h5dump -a /attr1 -a /attr2 foo.h5</code>
+ </br>
+
+<dt><strong>XML Output:</strong>
+ <dd>With the <code>--xml</code> option, <code>h5dump</code> generates
+ XML output. This output contains a complete description of the file,
+ marked up in XML. The XML conforms to the HDF5 Document Type
+ Definition (DTD) available at
+ <a href="http://hdf.ncsa.uiuc.edu/DTDs/HDF5-File.dtd">
+ <code>http://hdf.ncsa.uiuc.edu/DTDs/HDF5-File.dtd</code></a>.
+ <p>
+ The XML output is suitable for use with other tools, including the
+ <a href="http://hdf.ncsa.uiuc.edu/java-hdf5-html">HDF5 Java Tools</a>.
-<p>
-All of the semicolons (;) are required to be there even if you don't
-specify a value for the parameter (thereby using the default value).
-</p>
+<dt><strong>Options and Parameters:</strong>
+ <dl>
+ <dt><code>-h</code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--help</code></dt>
+ <dd>Print a usage message and exit.</dd>
+ <dt><code>-B</code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--bootblock</code></dt>
+ <dd>Print the content of the boot block.<br>
+ <em>(This option is not yet implemented.)</em></dd>
+ <dt><code>-H</code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--header</code></dt>
+ <dd>Print the header only; no data is displayed.</dd>
+ <dt><code>-i</code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--object-ids</code></dt>
+ <dd>Print the object ids.</dd>
+ <dt><code>-V</code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--version</code></dt>
+ <dd>Print version number and exit.</dd>
+ <dt><code>-a <em>P</em></code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--attribute=<em>P</em></code></dt>
+ <dd>Print the specified attribute.</dd>
+ <dt><code>-d <em>P</em></code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--dataset=<em>P</em></code></dt>
+ <dd>Print the specified dataset.</dd>
+ <dt><code>-g <em>P</em></code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--group=<em>P</em></code></dt>
+ <dd>Print the specified group and all members.</dd>
+ <dt><code>-l <em>P</em></code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--soft-link=<em>P</em></code></dt>
+ <dd>Print the value(s) of the specified soft link.</dd>
+ <dt><code>-o <em>F</em></code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--output=<em>F</em></code></dt>
+ <dd>Output raw data into file F.</dd>
+ <dt><code>-t <em>T</em></code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--datatype=<em>T</em></code></dt>
+ <dd>Print the specified named datatype.</dd>
+ <dt><code>-w <em>N</em></code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--width=<em>N</em></code></dt>
+ <dd>Set the number of columns of output.</dd>
+ <dt><code>-x <em>U</em></code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--xml</code></dt>
+ <dd>Output XML instead of DDL.</dd>
+ <dt><code>-D <em>U</em></code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--xml-dtd=<em>U</em></code></dt>
+ <dd>In XML output, refer to the DTD at <em>U</em>
+ instead of the default DTD.</dd>
+ <dt><code>-s <em>L</em></code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--start=<em>L</em></code></dt>
+ <dd>Offset of start of subsetting selection.
+ <br>
+ Default: the beginning of the dataset.</dd>
+ <dt><code>-S <em>L</em></code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--stride=<em>L</em></code></dt>
+ <dd>Hyperslab stride.
+ <br>
+ Default: 1 in all dimensions.</dd>
+ <dt><code>-c <em>L</em></code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--count=<em>L</em></code></dt>
+ <dd>Number of blocks to include in the selection.</dd>
+ <dt><code>-k <em>L</em></code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--block=<em>L</em></code></dt>
+ <dd>Size of block in hyperslab.
+ <br>
+ Default: 1 in all dimensions.</dd>
+ <dt><em>file</em></dt>
+ <dd>The file to be examined.</dd>
+ <br><br>
+ <dt>The option parameters listed above are defined as follows:
+ <dd><em>P</em> -- The full path from the root group to
+ the object</dd>
+ <dd><em>T</em> -- The name of the datatype</dd>
+ <dd><em>F</em> -- A filename</dd>
+ <dd><em>N</em> -- An integer greater than 1</dd>
+ <dd><em>L</em> -- A list of integers, the number of which is
+ equal to the number of dimensions in the dataspace being
+ queried</dd>
+ <dd><em>U</em> -- A URI (as defined in
+ [<a href="http://www.ietf.org/rfc/rfc2396.txt">IETF RFC 2396</a>],
+ updated by
+ [<a href="http://www.ietf.org/rfc/rfc2732.txt">IETF RFC 2732</a>])
+ that refers to the DTD to be used to validate the XML</dd>
+ <br><br>
+ <dt>Subsetting paramaters can also be expressed in a convenient
+ compact form, as follows:
+ <br>
+ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+ <code>--dataset="/foo/mydataset[START;STRIDE;COUNT;BLOCK]"</code>
+ <br>
+ All of the semicolons (<code>;</code>) are required, even when
+ a parameter value is not specified.
+ When not specified, default parameter values are used.
+ </dl>
+ <p>
- <dt><b>Examples:</b></dt>
+<dt><strong>Examples:</strong>
<ol>
- <li>Dumping the group <tt>/GroupFoo/GroupBar</tt> in the file
- <tt>quux.h5</tt>:</li>
-
- <blockquote>
- <tt>h5dump -g /GroupFoo/GroupBar quux.h5</tt>
- </blockquote>
-
- <li>Dumping the dataset <tt>Fnord</tt> in the group
- <tt>/GroupFoo/GroupBar</tt> in the file <tt>quux.h5</tt>:</li>
-
- <blockquote>
- <tt>h5dump -d /GroupFoo/GroupBar/Fnord quux.h5</tt>
- </blockquote>
-
- <li>Dumping the attribute <tt>metadata</tt> of the dataset
- <tt>Fnord</tt> which is in group <tt>/GroupFoo/GroupBar</tt> in
- the file <tt>quux.h5</tt>:</li>
-
- <blockquote>
- <tt>h5dump -a /GroupFoo/GroupBar/Fnord/metadata quux.h5</tt>
- </blockquote>
-
- <li>Dumping the attribute <tt>metadata</tt> which is an attribute
- of the root group in the file <tt>quux.h5</tt>:</li>
-
- <blockquote>
- <tt>h5dump -a /metadata quux.h5</tt>
- </blockquote>
-
- <li>Producing an XML listing of the file bobo.h5:</li>
-
- <blockquote>
- <tt>h5dump --xml bobo.h5 > bobo.h5.xml</tt>
- </blockquote>
-
- <li>Dumping a subset of the dataset <tt>/GroupFoo/databar</tt> in
- file <tt>quux.h5</tt>:</li>
-
- <blockquote>
- <tt>h5dump -d /GroupFoo/databar --start="1,1" --stride="2,3" --count="3,19" --block="1,1" quux.h5</tt>
- </blockquote>
-
- <li>The same example using the short form of specifying the
- subsetting parameters:</li>
-
- <blockquote>
- <tt>h5dump -d "/GroupFoo/databar[1,1;2,3;3,19;1,1]" quux.h5</tt>
- </blockquote>
+ <li>Dumping the group <code>/GroupFoo/GroupBar</code> in the file
+ <code>quux.h5</code>:
+ <blockquote>
+ <code>h5dump -g /GroupFoo/GroupBar quux.h5</code>
+ </blockquote>
+ <li>Dumping the dataset <code>Fnord</code> in the group
+ <code>/GroupFoo/GroupBar</code> in the file <code>quux.h5</code>:
+ <blockquote>
+ <code>h5dump -d /GroupFoo/GroupBar/Fnord quux.h5</code>
+ </blockquote>
+ <li>Dumping the attribute <code>metadata</code> of the dataset
+ <code>Fnord</code> which is in group
+ <code>/GroupFoo/GroupBar</code> in the file <code>quux.h5</code>:
+ <blockquote>
+ <code>h5dump -a /GroupFoo/GroupBar/Fnord/metadata quux.h5</code>
+ </blockquote>
+ <li>Dumping the attribute <code>metadata</code> which is an
+ attribute of the root group in the file <code>quux.h5</code>:
+ <blockquote>
+ <code>h5dump -a /metadata quux.h5</code>
+ </blockquote>
+ <li>Producing an XML listing of the file <code>bobo.h5</code>:
+ <blockquote>
+ <code>h5dump --xml bobo.h5 > bobo.h5.xml</code>
+ </blockquote>
+ <li>Dumping a subset of the dataset <code>/GroupFoo/databar/</code>
+ in the file <code>quux.h5</code>
+ <blockquote>
+ <code>h5dump -d /GroupFoo/databar --start="1,1" --stride="2,3"
+ <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+ --count="3,19" --block="1,1" quux.h5</code>
+ </blockquote>
+ <li>The same example using the short form to specify the
+ subsetting parameters:
+ <blockquote>
+ <code>h5dump -d "/GroupFoo/databar[1,1;2,3;3,19;1,1]" quux.h5</code>
+ </blockquote>
</ol>
-
- <dt><b>Current Status:</b></dt>
-
- <dd>The current version of <tt>h5dump</tt> displays the following
- information:</dd>
-
+<dt><strong>Current Status:</strong>
+ <dd>The current version of <code>h5dump</code> displays the
+ following information:
+ <ul>
+ <li>Group
+ <ul>
+ <li>group attribute (see Attribute)
+ <li>group member
+ </ul>
+ <li>Dataset
+ <ul>
+ <li>dataset attribute (see Attribute)
+ <li>dataset type (see Datatype)
+ <li>dataset space (see Dataspace)
+ <li>dataset data
+ </ul>
+ <li>Attribute
+ <ul>
+ <li>attribute type (see Datatype)
+ <li>attribute space (see Dataspace)
+ <li>attribute data
+ </ul>
+ <li>Datatype
+ <ul>
+ <li>integer type
+ <br>
+ - H5T_STD_I8BE, H5T_STD_I8LE, H5T_STD_I16BE, ...
+ <li>floating point type
+ <br>
+ - H5T_IEEE_F32BE, H5T_IEEE_F32LE, H5T_IEEE_F64BE, ...
+ <li>string type
+ <li>compound type
+ <br>
+ - named, unnamed and transient compound type
+ <br>
+ - integer, floating or string type member
+ <li>opaque types
+ <li>reference type
+ <br>
+ - object references
+ <br>
+ - data regions
+ <li>enum type
+ <li>variable-length datatypes
+ <br>
+ - atomic types only
+ <br>
+ - scalar or single dimensional array of variable-length
+ types supported
+ </ul>
+ <li>Dataspace
+ <ul>
+ <li>scalar and simple space
+ </ul>
+ <li>Soft link
+ <li>Hard link
+ <li>Loop detection
+ </ul>
+
+<dt><strong>See Also:</strong>
<ul>
- <li>Group</li>
-
- <ul>
- <li>group attribute (see Attribute)</li>
-
- <li>group member</li>
- </ul>
-
- <li>Dataset</li>
-
- <ul>
- <li>dataset attribute (see Attribute)</li>
-
- <li>dataset type (see Data type)</li>
-
- <li>dataset space (see Data space)</li>
-
- <li>dataset data</li>
- </ul>
-
- <li>Attribute</li>
-
- <ul>
- <li>attribute type (see Data type)</li>
-
- <li>attribute space (see Data space)</li>
-
- <li>attribute data</li>
- </ul>
+ <li>HDF5 Data Description Language syntax at
+ <a href="ddl.html"><cite>DDL for HDF5</cite></a>
- <li>Data type</li>
+ <li>HDF5 XML DTD at
+ <a href="http://hdf.ncsa.uiuc.edu/DTDs/HDF5-File.dtd">http://hdf.ncsa.uiuc.edu/DTDs/HDF5-File.dtd</a>
- <ul>
- <li>integer type</li>
-
- <dt>- <tt>H5T_STD_I8BE, H5T_STD_I8LE, H5T_STD_I16BE, ...</tt></dt>
-
- <li>floating point type</li>
-
- <dt>- <tt>H5T_IEEE_F32BE, H5T_IEEE_F32LE, H5T_IEEE_F64BE, ...</tt></dt>
-
- <li>string type</li>
-
- <li>compound type</li>
-
- <dt>- named, unnamed and transient compound type</dt>
-
- <dt>- integer, floating or string type member</dt>
-
- <li>opaque types</li>
-
- <li>reference type</li>
-
- <dt>- object references</dt>
-
- <dt>- data regions</dt>
-
- <li>enum type</li>
-
- <li>variable-length datatypes</li>
-
- <dt>- atomic types only</dt>
-
- <dt>- scalar or single dimensional array of variable-length types
- supported</dt>
- </ul>
-
- <li>Data space</li>
-
- <ul>
- <li>scalar and simple space</li>
- </ul>
-
- <li>Soft link</li>
-
- <li>Hard link</li>
-
- <li>Loop detection</li>
+ <li>HDF5 XML information at
+ <a href="http://hdf.ncsa.uiuc.edu/HDF5/XML">http://hdf.ncsa.uiuc.edu/HDF5/XML/</a>
</ul>
- <dt><b>See Also:</b></dt>
-
- <dd>HDF5 Data Description Language syntax (<i><a href="ddl.html">DDL
- for HDF5</a></i>)</dd>
-
- <dd>HDF5 XML DTD: <a
- href="http://hdf.ncsa.uiuc.edu/DTDs/HDF5-File.dtd">http://hdf.ncsa.uiuc.edu/DTDs/HDF5-File.dtd</a></dd>
-
- <dd>HDF5 XML information: <a
- href="http://hdf.ncsa.uiuc.edu/HDF5/XML">http://hdf.ncsa.uiuc.edu/HDF5/XML</a>/</dd>
- </dt>
</dl>
<hr>
-
<dl>
-<dt>
-<b>Tool Name:</b>&nbsp;<a NAME="Tools-Ls"></a>h5ls</dt>
-
-<dt>
-<b>Syntax:</b></dt>
-
-<dd>
-<tt>h5ls [</tt><i>OPTIONS</i><tt>]</tt><i> file</i><tt> [</tt><i>OBJECTS...</i><tt>]</tt></dd>
-
-<dt>
-<b>Purpose:</b></dt>
-
-<dd>
-Prints information about a file or dataset.</dd>
-
-<dt>
-<b>Description:</b></dt>
-
-<dd>
-<tt>h5ls</tt> prints selected information about file objects in the specified
-format.</dd>
-
-<dt>
-<b>Options and Parameters:</b></dt>
-
-<dl>
-<dt>
-<tt>-h</tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>-?</tt>&nbsp;&nbsp; or&nbsp;
-<tt>--help</tt></dt>
-
-<dd>
-Print a usage message and exit.</dd>
-
-<dt>
-<tt>-a</tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--address</tt></dt>
-
-<dd>
-Print addresses for raw data.</dd>
-
-<dt>
-<tt>-d</tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--data</tt></dt>
-
-<dd>
-Print the values of datasets.</dd>
-
-<dt>
-<tt>-e</tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--errors</tt></dt>
-
-<dd>
-Show all HDF5 error reporting.</dd>
-
-<dt>
-<tt>-f</tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--full</tt></dt>
-
-<dd>
-Print full path names instead of base names.</dd>
-
-<dt>
-<tt>-g</tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--group</tt></dt>
-
-<dd>
-Show information about a group, not its contents.</dd>
-
-<dt>
-<tt>-l</tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--label</tt></dt>
-
-<dd>
-Label members of compound datasets.</dd>
-
-<dt>
-<tt>-r</tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--recursive</tt></dt>
-
-<dd>
-List all groups recursively, avoiding cycles.</dd>
-
-<dt>
-<tt>-s</tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--string</tt></dt>
-
-<dd>
-Print 1-bytes integer datasets as ASCII.</dd>
-
-<dt>
-<tt>-S</tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--simple</tt></dt>
-
-<dd>
-Use a machine-readable output format.</dd>
-
-<dt>
-<tt>-w</tt><i>N</i>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--width=</tt><i>N</i></dt>
-
-<dd>
-Set the number of columns of output.</dd>
-
-<dt>
-<tt>-v</tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--verbose</tt></dt>
-
-<dd>
-Generate more verbose output.</dd>
-
-<dt>
-<tt>-V</tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--version</tt></dt>
-
-<dd>
-Print version number and exit.</dd>
-
-<dt>
-<tt>-x</tt>&nbsp;&nbsp; or&nbsp;&nbsp; <tt>--hexdump</tt></dt>
-
-<dd>
-Show raw data in hexadecimal format.</dd>
-
-<dt>
-<i>file</i></dt>
-
-<dd>
-The file name may include a printf(3C) integer format such as <tt>%%05d</tt>
-to open a file family.</dd>
-
-<dt>
-<i>objects</i></dt>
-
-<dd>
-Each object consists of an HDF5 file name optionally followed by a slash
-and an object name within the file (if no object is specified within the
-file then the contents of the root group are displayed). The file name
-may include a <tt>printf(3C)</tt> integer format such as "%05d" to open
-a file family.</dd>
-</dl>
+<dt><strong>Tool Name:</strong> <a name="Tools-Ls">h5ls</a>
+<dt><strong>Syntax:</strong>
+ <dd><code>h5ls
+ [</code><em>OPTIONS</em><code>]</code><em>
+ file</em><code>
+ [</code><em>OBJECTS...</em><code>]</code>
+<dt><strong>Purpose:</strong>
+ <dd>Prints information about a file or dataset.
+<dt><strong>Description:</strong>
+ <dd><code>h5ls</code> prints selected information about file objects
+ in the specified format.
+<dt><strong>Options and Parameters:</strong>
+ <dl>
+ <dt><code>-h</code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>-?</code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--help</code>
+ <dd>Print a usage message and exit.
+ <dt><code>-a</code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--address</code>
+ <dd>Print addresses for raw data.
+ <dt><code>-d</code> &nbsp;&nbsp;or&nbsp;&nbsp; <code>--data</code>
+ <dd>Print the values of datasets.
+ <dt><code>-e</code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--errors</code>
+ <dd>Show all HDF5 error reporting.
+ <dt><code>-f</code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--full</code>
+ <dd>Print full path names instead of base names.
+ <dt><code>-g</code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--group</code>
+ <dd>Show information about a group, not its contents.
+ <dt><code>-l</code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--label</code>
+ <dd>Label members of compound datasets.
+ <dt><code>-r</code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--recursive</code>
+ <dd>List all groups recursively, avoiding cycles.
+ <dt><code>-s</code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--string</code>
+ <dd>Print 1-bytes integer datasets as ASCII.
+ <dt><code>-S</code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--simple</code>
+ <dd>Use a machine-readable output format.
+ <dt><code>-w</code><em>N</em> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--width=</code><em>N</em>
+ <dd>Set the number of columns of output.
+ <dt><code>-v</code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--verbose</code>
+ <dd>Generate more verbose output.
+ <dt><code>-V</code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--version</code>
+ <dd>Print version number and exit.
+ <dt><code>-x</code> &nbsp;&nbsp;or&nbsp;&nbsp;
+ <code>--hexdump</code>
+ <dd>Show raw data in hexadecimal format.
+ <dt><em>file</em>
+ <dd>The file name may include a printf(3C) integer format
+ such as <code>%%05d</code> to open a file family.
+ <dt><em>objects</em>
+ <dd>Each object consists of an HDF5 file name optionally
+ followed by a slash and an object name within the file
+ (if no object is specified within the file then the
+ contents of the root group are displayed). The file name
+ may include a <code>printf(3C)</code> integer format such
+ as "%05d" to open a file family.
+ </dl>
<!--
<dt><strong>Current Status:</strong>
<dd>
<dt><strong>See Also:</strong>
<dd>
---></dl>
+-->
+</dl>
<hr>
<dl>
-<dt>
-<b>Tool Name:</b>&nbsp;<a NAME="Tools-Repart"></a>h5repart</dt>
-
-<dt>
-<b>Syntax:</b></dt>
-
-<dd>
-<tt>h5repart [-v] [-V] [-[b|m]</tt><i>N</i><tt>[g|m|k]]</tt> <i>source_file
-dest_file</i></dd>
-
-<dt>
-<b>Purpose:</b></dt>
-
-<dd>
-Repartitions a file or family of files.</dd>
-
-<dt>
-<b>Description:</b></dt>
-
-<dd>
-<tt>h5repart</tt> splits a single file into a family of files, joins a
-family of files into a single file, or copies one family of files to another
-while changing the size of the family members. <tt>h5repart</tt> can also
-be used to copy a single file to a single file with holes.</dd>
-
-<br>&nbsp;
-<p>&nbsp;
-<br>&nbsp;
-<br>&nbsp;
-<p>Sizes associated with the <tt>-b</tt> and <tt>-m</tt> options may be
-suffixed with <tt>g</tt> for gigabytes, <tt>m</tt> for megabytes, or
-<tt>k</tt>
-for kilobytes.
-<p>File family names include an integer <tt>printf</tt> format such as
-<tt>%d</tt>.
-<dt>
-<b>Options and Parameters:</b></dt>
-
-<dl>
-<dt>
-<tt>-v</tt></dt>
-
-<dd>
-Produce verbose output.</dd>
-
-<dt>
-<tt>-V</tt></dt>
-
-<dd>
-Print a version number and exit.</dd>
-
-<dt>
-<tt>-b</tt><i>N</i></dt>
-
-<dd>
-The I/O block size, defaults to 1kB</dd>
-
-<dt>
-<tt>-m</tt><i>N</i></dt>
-
-<dd>
-The destination member size or 1GB</dd>
-
-<dt>
-<i>source_file</i></dt>
-
-<dd>
-The name of the source file</dd>
-
-<dt>
-<i>dest_file</i></dt>
+<dt><strong>Tool Name:</strong> <a name="Tools-Repart">h5repart</a>
+<dt><strong>Syntax:</strong>
+ <dd><code>h5repart
+ [-v]
+ [-V]
+ [-[b|m]</code><em>N</em><code>[g|m|k]]</code>
+ <em>source_file
+ dest_file</em>
+<dt><strong>Purpose:</strong>
+ <dd>Repartitions a file or family of files.
+<dt><strong>Description:</strong>
+ <dd><code>h5repart</code> splits a single file into a family of
+ files, joins a family of files into a single file, or copies
+ one family of files to another while changing the size of the
+ family members. <code>h5repart</code> can also be used to
+ copy a single file to a single file with holes.
+ <p>
+ Sizes associated with the <code>-b</code> and <code>-m</code>
+ options may be suffixed with <code>g</code> for gigabytes,
+ <code>m</code> for megabytes, or <code>k</code> for kilobytes.
+ <p>
+ File family names include an integer <code>printf</code>
+ format such as <code>%d</code>.
-<dd>
-The name of the destination files</dd>
-</dl>
+<dt><strong>Options and Parameters:</strong>
+ <dl>
+ <dt><code>-v</code>
+ <dd>Produce verbose output.
+ <dt><code>-V</code>
+ <dd>Print a version number and exit.
+ <dt><code>-b</code><em>N</em>
+ <dd>The I/O block size, defaults to 1kB
+ <dt><code>-m</code><em>N</em>
+ <dd>The destination member size or 1GB
+ <dt><em>source_file</em>
+ <dd>The name of the source file
+ <dt><em>dest_file</em>
+ <dd>The name of the destination files
+ </dl>
<!--
<dt><strong>Current Status:</strong>
<dd>
<dt><strong>See Also:</strong>
<dd>
---></dl>
+-->
+</dl>
-<hr>
-<dl>
-<dt>
-<b>Tool Name:</b>&nbsp;<a NAME="Tools-H5toh4"></a>h5toh4</dt>
-
-<dt>
-<b>Syntax:</b></dt>
-
-<dd>
-<tt>h5toh4 -h</tt></dd>
-
-<br><tt>h5toh4 </tt><i>h5file h4file</i>
-<br><tt>h5toh4 </tt><i>h5file</i>
-<br><tt>h5toh4 -m </tt><i>h5file1 h5file2 h5file3</i> ...
-<dt>
-<b>Purpose:</b></dt>
-
-<dd>
-Converts an HDF5 file into an HDF4 file.</dd>
-
-<dt>
-<b>Description:</b></dt>
-
-<dd>
-<tt>h5toh4</tt> is an HDF5 utility which reads an HDF5 file, <i>h5file</i>,
-and converts all supported objects and pathways to produce an HDF4 file,
-<i>h4file</i>.
-If <i>h4file</i> already exists, it will be replaced.</dd>
-
-<br>&nbsp;
-<p>&nbsp;
-<br>&nbsp;
-<br>&nbsp;
-<p>If only one file name is given, the name must end in <tt>.h5</tt> and
-is assumed to represent the HDF5 input file. <tt>h5toh4</tt> replaces the
-<tt>.h5</tt>
-suffix with <tt>.hdf</tt> to form the name of the resulting HDF4 file and
-proceeds as above. If a file with the name of the intended HDF4 file already
-exists, <tt>h5toh4</tt> exits with an error without changing the contents
-of any file.
-<p>The <tt>-m</tt> option allows multiple HDF5 file arguments. Each file
-name is treated the same as the single file name case above.
-<p>The <tt>-h</tt> option causes the following syntax summary to be displayed:
-<pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; h5toh4 file.h5 file.hdf
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; h5toh4 file.h5
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; h5toh4 -m file1.h5 file2.h5 ...</pre>
-The following HDF5 objects occurring in an HDF5 file are converted to HDF4
-objects in the HDF4 file:
-<ul>
-<li>
-HDF5 group objects are converted into HDF4 Vgroup objects. HDF5 hardlinks
-and softlinks pointing to objects are converted to HDF4 Vgroup references.</li>
-
-<li>
-HDF5 dataset objects of integer datatype are converted into HDF4 SDS objects.
-These datasets may have up to 32 fixed dimensions. The slowest varying
-dimension may be extendable. 8-bit, 16-bit, and 32-bit integer datatypes
-are supported.</li>
-
-<li>
-HDF5 dataset objects of floating point datatype are converted into HDF4
-SDS objects. These datasets may have up to 32 fixed dimensions. The slowest
-varying dimension may be extendable. 32-bit and 64-bit floating point datatypes
-are supported.</li>
-
-<li>
-HDF5 dataset objects of single dimension and compound datatype are converted
-into HDF4 Vdata objects. The length of that single dimension may be fixed
-or extendable. The members of the compound datatype are constrained to
-be no more than rank 4.</li>
-
-<li>
-HDF5 dataset objects of single dimension and fixed length string datatype
-are converted into HDF4 Vdata objects. The HDF4 Vdata is a single field
-whose order is the length of the HDF5 string type. The number of records
-of the Vdata is the length of the single dimension which may be fixed or
-extendable.</li>
-</ul>
-Other objects are not converted and are not recorded in the resulting <i>h4file</i>.
-<p>Attributes associated with any of the supported HDF5 objects are carried
-over to the HDF4 objects. Attributes may be of integer, floating point,
-or fixed length string datatype and they may have up to 32 fixed dimensions.
-<p>All datatypes are converted to big-endian. Floating point datatypes
-are converted to IEEE format.
-<dt>
-<b>Options and Parameters:</b></dt>
+<hr>
<dl>
-<dt>
-<tt>-h</tt></dt>
-
-<dd>
-Displays a syntax summary.</dd>
-
-<dt>
-<tt>-m</tt></dt>
-
-<dd>
-Converts multiple HDF5 files to multiple HDF4 files.</dd>
-
-<dt>
-<i>h5file</i></dt>
-
-<dd>
-The HDF5 file to be converted.</dd>
+<dt><strong>Tool Name:</strong> <a name="Tools-H5toh4">h5toh4</a>
+<dt><strong>Syntax:</strong>
+ <dd><code>h5toh4 -h</code><br>
+ <code>h5toh4 </code><em>
+ h5file
+ h4file</em><br>
+ <code>h5toh4 </code><em>
+ h5file</em><br>
+ <code>h5toh4 -m </code><em>
+ h5file1
+ h5file2
+ h5file3</em> ...
+<dt><strong>Purpose:</strong>
+ <dd>Converts an HDF5 file into an HDF4 file.
+<dt><strong>Description:</strong>
+ <dd><code>h5toh4</code> is an HDF5 utility which reads
+ an HDF5 file, <em>h5file</em>, and converts all
+ supported objects and pathways to produce an HDF4 file,
+ <em>h4file</em>. If <em>h4file</em> already exists,
+ it will be replaced.
+ <p>
+ If only one file name is given, the name must end in
+ <code>.h5</code> and is assumed to represent the
+ HDF5 input file. <code>h5toh4</code> replaces the
+ <code>.h5</code> suffix with <code>.hdf</code> to form
+ the name of the resulting HDF4 file and proceeds as above.
+ If a file with the name of the intended HDF4 file already
+ exists, <code>h5toh4</code> exits with an error without
+ changing the contents of any file.
+ <p>
+ The <code>-m</code> option allows multiple HDF5 file
+ arguments. Each file name is treated the same as the
+ single file name case above.
+ <p>
+ The <code>-h</code> option causes the following
+ syntax summary to be displayed:
+ <pre> h5toh4 file.h5 file.hdf
+ h5toh4 file.h5
+ h5toh4 -m file1.h5 file2.h5 ...</pre>
+
+ <p>
-<dt>
-<i>h4file</i></dt>
+ The following HDF5 objects occurring in an HDF5 file are
+ converted to HDF4 objects in the HDF4 file:
+
+ <ul>
+ <li>HDF5 group objects are converted into HDF4 Vgroup
+ objects. HDF5 hardlinks and softlinks pointing to
+ objects are converted to HDF4 Vgroup references.
+ <li>HDF5 dataset objects of integer datatype are
+ converted into HDF4 SDS objects. These datasets
+ may have up to 32 fixed dimensions.
+ The slowest varying dimension may be extendable.
+ 8-bit, 16-bit, and 32-bit integer datatypes are
+ supported.
+ <li>HDF5 dataset objects of floating point datatype
+ are converted into HDF4 SDS objects.
+ These datasets may have up to 32 fixed dimensions.
+ The slowest varying dimension may be extendable.
+ 32-bit and 64-bit floating point datatypes are
+ supported.
+ <li>HDF5 dataset objects of single dimension and
+ compound datatype are converted into HDF4 Vdata
+ objects. The length of that single dimension may
+ be fixed or extendable. The members of the
+ compound datatype are constrained to be no more
+ than rank 4.
+ <li>HDF5 dataset objects of single dimension and fixed length string
+ datatype are converted into HDF4 Vdata objects. The HDF4 Vdata
+ is a single field whose order is the length of the HDF5 string
+ type. The number of records of the Vdata is the length of the
+ single dimension which may be fixed or extendable.
+ </ul>
+
+ Other objects are not converted and are not recorded
+ in the resulting <em>h4file</em>.
+ <p>
+ Attributes associated with any of the supported HDF5
+ objects are carried over to the HDF4 objects.
+ Attributes may be of integer, floating point, or fixed length
+ string datatype and they may have up to 32 fixed dimensions.
+ <p>
+ All datatypes are converted to big-endian.
+ Floating point datatypes are converted to IEEE format.
+
-<dd>
-The HDF4 file to be created.</dd>
-</dl>
+<dt><strong>Options and Parameters:</strong>
+ <dl>
+ <dt><code>-h</code>
+ <dd>Displays a syntax summary.
+ <dt><code>-m</code>
+ <dd>Converts multiple HDF5 files to multiple HDF4 files.
+ <dt><em>h5file</em>
+ <dd>The HDF5 file to be converted.
+ <dt><em>h4file</em>
+ <dd>The HDF4 file to be created.
+ </dl>
<!--
<dt><strong>Current Status:</strong>
<dd>
<dt><strong>See Also:</strong>
<dd>
---></dl>
+-->
+</dl>
+
<hr>
<dl>
-<dt>
-<b>Tool Name:</b>&nbsp;<a NAME="Tools-H4toh5"></a>h4toh5</dt>
-
-<dt>
-<b>Syntax:</b></dt>
-
-<dd>
-<tt>h4toh5 -h</tt></dd>
-
-<br><tt>h4toh5 </tt><i>h4file h5file</i>
-<br><tt>h4toh5 </tt><i>h4file</i>
-<br><!-- currently no -m option
- <tt>h4toh5 -m </tt><em>
+<dt><strong>Tool Name:</strong> <a name="Tools-H4toh5">h4toh5</a>
+<dt><strong>Syntax:</strong>
+ <dd><code>h4toh5 -h</code><br>
+ <code>h4toh5 </code><em>
+ h4file
+ h5file</em><br>
+ <code>h4toh5 </code><em>
+ h4file</em><br>
+ <!-- currently no -m option
+ <code>h4toh5 -m </code><em>
h4file1
h4file2
h4file3</em> ...
-->
-<dt>
-<b>Purpose:</b></dt>
-
-<dd>
-Converts an HDF4 file to an HDF5 file.</dd>
-
-<dt>
-<b>Description:</b></dt>
-
-<dd>
-<tt>h4toh5</tt> is a file conversion utility that reads an HDF4 file, <i>h4file</i>
-(<tt>input.hdf</tt> for example), and writes an HDF5 file, <i>h5file</i>
-(<tt>output.h5</tt> for example), containing the same data.</dd>
-
-<br>&nbsp;
-<p>&nbsp;
-<br>&nbsp;
-<br>&nbsp;
-<p>If no output file <i>h5file</i> is specified, <tt>h4toh5</tt> uses the
-input filename to designate the output file, replacing the extension
-<tt>.hdf</tt>
-with <tt>.h5</tt>. For example, if the input file <tt>scheme3.hdf</tt>
-is specified with no output filename, <tt>h4toh5</tt> will name the output
-file <tt>scheme3.h5</tt>.
-<p><!-- currently no -m option
- The <tt>-m</tt> option allows multiple HDF5 file
+<dt><strong>Purpose:</strong>
+ <dd>Converts an HDF4 file to an HDF5 file.
+<dt><strong>Description:</strong>
+ <dd><code>h4toh5</code> is a file conversion utility that reads
+ an HDF4 file, <em>h4file</em> (<code>input.hdf</code> for example),
+ and writes an HDF5 file, <em>h5file</em> (<code>output.h5</code>
+ for example), containing the same data.
+ <p>
+ If no output file <em>h5file</em> is specified,
+ <code>h4toh5</code> uses the input filename to designate
+ the output file, replacing the extension <code>.hdf</code>
+ with <code>.h5</code>.
+ For example, if the input file <code>scheme3.hdf</code> is
+ specified with no output filename, <code>h4toh5</code> will
+ name the output file <code>scheme3.h5</code>.
+ <p>
+ <!-- currently no -m option
+ The <code>-m</code> option allows multiple HDF5 file
arguments. Each file name is treated the same as the
single file name case above.
<p>
- -->The
-<tt>-h</tt>
-option causes a syntax summary similar to the following to be displayed:
-<pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; h4toh5 inputfile.hdf outputfile.h5
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; h5toh4 inputfile.hdf&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<!-- currently no -m option
- h5toh4 -m inputfile1.hdf inputfile2.hdf ... --></pre>
-Each object in the HDF4 file is converted to an equivalent HDF5 object,
-according to the mapping described in <i><a href="ADGuide/H4toH5Mapping.pdf" target="ExternalWinA">Mapping
-HDF4 Objects to HDF5 Objects</a></i>. (If this mapping changes between
-HDF5 Library releases, a more up-to-date version may be available at <a href="http://hdf.ncsa.uiuc.edu/HDF5/papers/h4toh5/H4-to-H5MappingGuidelines.pdf" target="ExternalWinB"><i>Mapping
-HDF4 Objects to HDF5 Objects</i> on the HDF FTP server</a>.)
-<p>In this inital version, <tt>h4toh5</tt> converts the following HDF4
-objects:
-<center><table BORDER=0 WIDTH="75%" >
-<tr>
-<th ALIGN=LEFT VALIGN=TOP WIDTH="40%">HDF4 Object&nbsp;</th>
-
-<th ALIGN=LEFT VALIGN=TOP WIDTH="60%">Resulting HDF5 Object&nbsp;</th>
-</tr>
-
-<tr>
-<td ALIGN=LEFT VALIGN=TOP WIDTH="40%">SDS&nbsp;</td>
-
-<td ALIGN=LEFT VALIGN=TOP WIDTH="60%">Dataset&nbsp;</td>
-</tr>
-
-<tr>
-<td ALIGN=LEFT VALIGN=TOP WIDTH="40%">GR, RI8, and RI24 image&nbsp;</td>
-
-<td ALIGN=LEFT VALIGN=TOP WIDTH="60%">Dataset&nbsp;</td>
-</tr>
-
-<tr>
-<td ALIGN=LEFT VALIGN=TOP WIDTH="40%">Vdata&nbsp;</td>
-
-<td ALIGN=LEFT VALIGN=TOP WIDTH="60%">Dataset&nbsp;</td>
-</tr>
-
-<tr>
-<td ALIGN=LEFT VALIGN=TOP WIDTH="40%">Vgroup&nbsp;</td>
-
-<td ALIGN=LEFT VALIGN=TOP WIDTH="60%">Group&nbsp;</td>
-</tr>
-
-<tr>
-<td ALIGN=LEFT VALIGN=TOP WIDTH="40%">Annotation&nbsp;</td>
-
-<td ALIGN=LEFT VALIGN=TOP WIDTH="60%">Attribute&nbsp;</td>
-</tr>
-
-<tr>
-<td ALIGN=LEFT VALIGN=TOP WIDTH="40%">Palette&nbsp;</td>
-
-<td ALIGN=LEFT VALIGN=TOP WIDTH="60%">Dataset&nbsp;</td>
-</tr>
-</table></center>
-
-<dt>
-<b>Options and Parameters:</b></dt>
-
-<dl>
-<dt>
-<tt>-h</tt></dt>
-
-<dd>
-Displays a syntax summary.&nbsp;<!-- currently no -m option
- <dt><tt>-m</tt>
+ -->
+ The <code>-h</code> option causes a syntax summary
+ similar to the following to be displayed:
+ <pre> h4toh5 inputfile.hdf outputfile.h5
+ h5toh4 inputfile.hdf <!-- currently no -m option
+ h5toh4 -m inputfile1.hdf inputfile2.hdf ... --> </pre>
+ <p>
+ Each object in the HDF4 file is converted to an equivalent
+ HDF5 object, according to the mapping described in
+ <a href="ADGuide/H4toH5Mapping.pdf" target=ExternalWinA>
+ <cite>Mapping HDF4 Objects to HDF5 Objects</cite></a>.
+ (If this mapping changes between HDF5 Library releases, a more up-to-date
+ version may be available at
+ <a href="http://hdf.ncsa.uiuc.edu/HDF5/papers/h4toh5/H4-to-H5MappingGuidelines.pdf" target=ExternalWinB>
+ <cite>Mapping HDF4 Objects to HDF5 Objects</cite> on the HDF FTP server</a>.)
+ <p>
+ In this inital version, <code>h4toh5</code> converts the following
+ HDF4 objects:
+ <center>
+ <table width=75% border=0>
+ <tr><th width=40% valign=top align=left>
+ HDF4 Object
+ </td><th width=60% valign=top align=left>
+ Resulting HDF5 Object
+ </td></tr>
+ <tr><td width=40% valign=top align=left>
+ SDS
+ </td><td width=60% valign=top align=left>
+ Dataset
+ </td></tr>
+ <tr><td width=40% valign=top align=left>
+ GR, RI8, and RI24 image
+ </td><td width=60% valign=top align=left>
+ Dataset
+ </td></tr>
+ <tr><td width=40% valign=top align=left>
+ Vdata
+ </td><td width=60% valign=top align=left>
+ Dataset
+ </td></tr>
+ <tr><td width=40% valign=top align=left>
+ Vgroup
+ </td><td width=60% valign=top align=left>
+ Group
+ </td></tr>
+ <tr><td width=40% valign=top align=left>
+ Annotation
+ </td><td width=60% valign=top align=left>
+ Attribute
+ </td></tr>
+ <tr><td width=40% valign=top align=left>
+ Palette
+ </td><td width=60% valign=top align=left>
+ Dataset
+ </td></tr>
+ </table>
+ </center>
+<dt><strong>Options and Parameters:</strong>
+ <dl>
+ <dt><code>-h</code>
+ <dd>Displays a syntax summary.
+ <!-- currently no -m option
+ <dt><code>-m</code>
<dd>Converts multiple HDF4 files to multiple HDF5 files.
- --></dd>
-
-<dt>
-<i>h4file</i></dt>
-
-<dd>
-The HDF4 file to be converted.</dd>
-
-<dt>
-<i>h5file</i></dt>
-
-<dd>
-The HDF5 file to be created.</dd>
-</dl>
+ -->
+ <dt><em>h4file</em>
+ <dd>The HDF4 file to be converted.
+ <dt><em>h5file</em>
+ <dd>The HDF5 file to be created.
+ </dl>
<!--
<dt><strong>Current Status:</strong>
<dd>
<dt><strong>See Also:</strong>
<dd>
---></dl>
-<!-- Template, next 40 lines --><!-- Template, next 40 lines --><!-- Template, next 40 lines
+-->
+</dl>
+
+
+<!-- Template, next 40 lines -->
+<!-- Template, next 40 lines -->
+<!-- Template, next 40 lines
<hr>
<dl>
<dt><strong>Tool Name:</strong> <a name="Tools-H5toh4">h5toh4</a>
<dt><strong>Syntax:</strong>
- <dd><tt>h5toh4 -h</tt><br>
- <tt>h5toh4 </tt><em>
+ <dd><code>h5toh4 -h</code><br>
+ <code>h5toh4 </code><em>
h5file
h4file</em><br>
- <tt>h5toh4 </tt><em>
+ <code>h5toh4 </code><em>
h5file</em><br>
- <tt>h5toh4 -m </tt><em>
+ <code>h5toh4 -m </code><em>
h5file1
h5file2
h5file3</em> ...
<dt><strong>Purpose:</strong>
<dd>Purpose...
<dt><strong>Description:</strong>
- <dd><tt>TOOL</tt> is an HDF5 utility which ...
+ <dd><code>TOOL</code> is an HDF5 utility which ...
Paragraph
<pre> sample code
sample code
@@ -964,7 +750,7 @@ The HDF5 file to be created.</dd>
Paragraph
<dt><strong>Options and Parameters:</strong>
<dl>
- <dt><tt>-option</tt>
+ <dt><code>-option</code>
<dd>Description
<dt><em>parameter</em>
<dd>Description
@@ -977,35 +763,53 @@ The HDF5 file to be created.</dd>
-->
+
+
<hr>
-<center><table BORDER=0 WIDTH="98%" >
-<tr>
-<td ALIGN=LEFT VALIGN=TOP><a href="H5.intro.html">Introduction to HDF5</a>
-<br><a href="H5.user.html">HDF5 User Guide</a>
-<br><a href="index.html">Other HDF5 documents and links</a>
-<br><!--
+<center>
+<table border=0 width=98%>
+<tr><td valign=top align=left>
+<a href="H5.intro.html">Introduction to HDF5</a>&nbsp;<br>
+<a href="H5.user.html">HDF5 User Guide</a>&nbsp;<br>
+<a href="index.html">Other HDF5 documents and links</a>&nbsp;<br>
+<!--
<a href="Glossary.html">Glossary</a><br>
---></td>
-
-<td ALIGN=RIGHT VALIGN=TOP>And in this document, the <a href="RM_H5Front.html">HDF5
-Reference Manual</a>
-<br><a href="RM_H5.html">H5</a>&nbsp; <a href="RM_H5A.html">H5A</a>
-<a href="RM_H5D.html">H5D</a>&nbsp;
-<a href="RM_H5E.html">H5E</a>
-<a href="RM_H5F.html">H5F</a>&nbsp; <a href="RM_H5G.html">H5G</a>
-
-<a href="RM_H5I.html">H5I</a>&nbsp; <a href="RM_H5P.html">H5P</a>
-<br><a href="RM_H5R.html">H5R</a>&nbsp; <a href="RM_H5S.html">H5S</a>
-<a href="RM_H5T.html">H5T</a>&nbsp;
-<a href="RM_H5Z.html">H5Z</a>&nbsp;&nbsp; Tools&nbsp; <a href="PredefDTypes.html">Datatypes</a></td>
-</tr>
-</table></center>
-
+-->
+</td>
+<td valign=top align=right>
+And in this document, the
+<a href="RM_H5Front.html">HDF5 Reference Manual</a>&nbsp;&nbsp;
+<br>
+<a href="RM_H5.html">H5</a>&nbsp;&nbsp;
+<a href="RM_H5A.html">H5A</a>&nbsp;&nbsp;
+<a href="RM_H5D.html">H5D</a>&nbsp;&nbsp;
+<a href="RM_H5E.html">H5E</a>&nbsp;&nbsp;
+<a href="RM_H5F.html">H5F</a>&nbsp;&nbsp;
+<a href="RM_H5G.html">H5G</a>&nbsp;&nbsp;
+<a href="RM_H5I.html">H5I</a>&nbsp;&nbsp;
+<a href="RM_H5P.html">H5P</a>&nbsp;&nbsp;
+<br>
+<a href="RM_H5R.html">H5R</a>&nbsp;&nbsp;
+<a href="RM_H5S.html">H5S</a>&nbsp;&nbsp;
+<a href="RM_H5T.html">H5T</a>&nbsp;&nbsp;
+<a href="RM_H5Z.html">H5Z</a>&nbsp;&nbsp;
+Tools&nbsp;&nbsp;
+<a href="PredefDTypes.html">Datatypes</a>&nbsp;&nbsp;
+</td></tr>
+</table>
+</center>
<hr>
+
+
<address>
-<a href="mailto:hdfhelp@ncsa.uiuc.edu">HDF Help Desk</a></address>
+<a href="mailto:hdfhelp@ncsa.uiuc.edu">HDF Help Desk</a>
+
+<br>
+Last modified: 18 April 2001
+
+<br>
+Describes HDF5 Release 1.4.1, April 2001
+
-<br>Last modified: 15 December 2000
-<br>Describes HDF5 Release 1.4, February 2001
</body>
</html>