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| author | byrnHDF <byrnHDF@users.noreply.github.com> | 2023-06-26 19:22:17 (GMT) |
|---|---|---|
| committer | byrnHDF <byrnHDF@users.noreply.github.com> | 2023-06-26 19:22:17 (GMT) |
| commit | d12e43bc201e15edffcdf94fe820aeae6ab44882 (patch) | |
| tree | 90aa12006b20849b65b7bc8e3d4fe60a488f7247 /_accessibility.html | |
| parent | 4d49d1ee001bd4dff6b01e1830902bee22a19f3e (diff) | |
| download | hdf5-d12e43bc201e15edffcdf94fe820aeae6ab44882.zip hdf5-d12e43bc201e15edffcdf94fe820aeae6ab44882.tar.gz hdf5-d12e43bc201e15edffcdf94fe820aeae6ab44882.tar.bz2 | |
deploy: ab4d2aec9779b7a37747c95bd7b514417b299f73
Diffstat (limited to '_accessibility.html')
| -rw-r--r-- | _accessibility.html | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/_accessibility.html b/_accessibility.html new file mode 100644 index 0000000..8139e02 --- /dev/null +++ b/_accessibility.html @@ -0,0 +1,164 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml"> +<head> +<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> +<meta http-equiv="X-UA-Compatible" content="IE=9"/> +<meta name="generator" content="Doxygen 1.9.1"/> +<meta name="viewport" content="width=device-width, initial-scale=1"/> +<title>HDF5: $title</title> +<link href="tabs.css" rel="stylesheet" type="text/css"/> +<script type="text/javascript" src="jquery.js"></script> +<script type="text/javascript" src="dynsections.js"></script> +<link href="navtree.css" rel="stylesheet" type="text/css"/> +<script type="text/javascript" src="resize.js"></script> +<script type="text/javascript" src="navtreedata.js"></script> +<script type="text/javascript" src="navtree.js"></script> +<link href="search/search.css" rel="stylesheet" type="text/css"/> +<script type="text/javascript" src="search/searchdata.js"></script> +<script type="text/javascript" src="search/search.js"></script> +<script type="text/javascript"> +/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ + $(document).ready(function() { init_search(); }); +/* @license-end */ +</script> +<link href="doxygen.css" rel="stylesheet" type="text/css" /> +<link href="hdf5doxy.css" rel="stylesheet" type="text/css"> +<!-- <link href="hdf5doxy.css" rel="stylesheet" type="text/css"/> + --> +<script type="text/javascript" src="hdf5_navtree_hacks.js"></script> +</head> +<body> +<div style="background:#FFDDDD;font-size:120%;text-align:center;margin:0;padding:5px">Please, help us to better serve our user community by answering the following short survey: <a href="https://www.hdfgroup.org/website-survey/">https://www.hdfgroup.org/website-survey/</a></div> +<div id="top"><!-- do not remove this div, it is closed by doxygen! --> +<div id="titlearea"> +<table cellspacing="0" cellpadding="0"> + <tbody> + <tr style="height: 56px;"> + <td id="projectlogo"><img alt="Logo" src="HDFG-logo.png"/></td> + <td id="projectalign" style="padding-left: 0.5em;"> + <div id="projectname"><a href="https://www.hdfgroup.org">HDF5</a> +  <span id="projectnumber">1.15.0.ab4d2ae</span> + </div> + <div id="projectbrief">API Reference</div> + </td> + <td> <div id="MSearchBox" class="MSearchBoxInactive"> + <span class="left"> + <img id="MSearchSelect" src="search/mag_sel.svg" + onmouseover="return searchBox.OnSearchSelectShow()" + onmouseout="return searchBox.OnSearchSelectHide()" + alt=""/> + <input type="text" id="MSearchField" value="Search" accesskey="S" + onfocus="searchBox.OnSearchFieldFocus(true)" + onblur="searchBox.OnSearchFieldFocus(false)" + onkeyup="searchBox.OnSearchFieldChange(event)"/> + </span><span class="right"> + <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.svg" alt=""/></a> + </span> + </div> +</td> + </tr> + </tbody> +</table> +</div> +<!-- end header part --> +<!-- Generated by Doxygen 1.9.1 --> +<script type="text/javascript"> +/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ +var searchBox = new SearchBox("searchBox", "search",false,'Search','.html'); +/* @license-end */ +</script> +</div><!-- top --> +<div id="side-nav" class="ui-resizable side-nav-resizable"> + <div id="nav-tree"> + <div id="nav-tree-contents"> + <div id="nav-sync" class="sync"></div> + </div> + </div> + <div id="splitbar" style="-moz-user-select:none;" + class="ui-resizable-handle"> + </div> +</div> +<script type="text/javascript"> +/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ +$(document).ready(function(){initNavTree('_accessibility.html',''); initResizable(); }); +/* @license-end */ +</script> +<div id="doc-content"> +<!-- window showing the filter options --> +<div id="MSearchSelectWindow" + onmouseover="return searchBox.OnSearchSelectShow()" + onmouseout="return searchBox.OnSearchSelectHide()" + onkeydown="return searchBox.OnSearchSelectKey(event)"> +</div> + +<!-- iframe showing the search results (closed by default) --> +<div id="MSearchResultsWindow"> +<iframe src="javascript:void(0)" frameborder="0" + name="MSearchResults" id="MSearchResults"> +</iframe> +</div> + +<div class="PageDoc"><div class="contents"> +<div class="textblock"><h1><a class="anchor" id="secAccessibility"></a> +Accessibility</h1> +<h2><a class="anchor" id="CB_MaintainCompat"></a> +Maintaining Compatibility with other HDF5 Library Versions</h2> +<dl class="section user"><dt>Problem</dt><dd>You want to ensure that the HDF5 files you produce or modify are accessible by all releavnt tools and applications</dd></dl> +<dl class="section user"><dt>Solution</dt><dd>For HDF5 items (objects, attributes, etc.) that you would like to create in new or existing HDF5 files, ascertain the supported range of HDF5 library versions as lower and upper bounds. When creating new or opening existing HDF5 files, use a file access property list and configure the supported range via the <a class="el" href="group___f_a_p_l.html#gacbe1724e7f70cd17ed687417a1d2a910" title="Controls the range of library release versions used when creating objects in a file.">H5Pset_libver_bounds()</a> function.<br /> +In the example below, we restrict HDF5 item creation to the HDF5 1.8.x family of library versions. <div class="fragment"><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  {</div> +<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  __label__ fail_fapl, fail_file;</div> +<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  <a class="code" href="_h5_ipublic_8h.html#a0045db7ff9c22ad35db6ae91662e1943">hid_t</a> fapl, file, aspace, attr;</div> +<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  </div> +<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="keywordflow">if</span> ((fapl = <a class="code" href="group___p_l_c_r.html#gaf1b11da01d4d45d788c45f8bc5f0cbfa">H5Pcreate</a>(<a class="code" href="_h5_ppublic_8h.html#a60ec2d4334addfc0eda89614598ee38e">H5P_FILE_ACCESS</a>)) < 0) {</div> +<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  ret_val = EXIT_FAILURE;</div> +<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keywordflow">goto</span> fail_fapl;</div> +<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  }</div> +<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#if H5_VERSION_GE(1, 10, 0)</span></div> +<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keywordflow">if</span> (<a class="code" href="group___f_a_p_l.html#gacbe1724e7f70cd17ed687417a1d2a910">H5Pset_libver_bounds</a>(fapl, <a class="code" href="_h5_fpublic_8h.html#a2d963b599894f684571fbd4d5e8a96a2a434ca8def77a117013577c8cec6af0d8">H5F_LIBVER_V18</a>, <a class="code" href="_h5_fpublic_8h.html#a2d963b599894f684571fbd4d5e8a96a2a434ca8def77a117013577c8cec6af0d8">H5F_LIBVER_V18</a>) < 0) {</div> +<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#elif H5_VERSION_GE(1, 8, 0)</span></div> +<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keywordflow">if</span> (<a class="code" href="group___f_a_p_l.html#gacbe1724e7f70cd17ed687417a1d2a910">H5Pset_libver_bounds</a>(fapl, <a class="code" href="_h5_fpublic_8h.html#a47d050173da48a2b85c730446f0771c0">H5F_LIBVER_LATEST</a>, <a class="code" href="_h5_fpublic_8h.html#a47d050173da48a2b85c730446f0771c0">H5F_LIBVER_LATEST</a>) < 0) {</div> +<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#else</span></div> +<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#error Only HDF5 1.8.x and later supported.</span></div> +<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#endif</span></div> +<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  ret_val = EXIT_FAILURE;</div> +<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordflow">goto</span> fail_file;</div> +<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  }</div> +<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordflow">if</span> ((file = <a class="code" href="group___h5_f.html#gae64b51ee9ac0781bc4ccc599d98387f4">H5Fcreate</a>(<span class="stringliteral">"set_libver_bounds.h5"</span>, <a class="code" href="_h5_fpublic_8h.html#a5a2d6726f9ad8d2bca8df2b817e5ad6a">H5F_ACC_TRUNC</a>, <a class="code" href="_h5_ppublic_8h.html#afa85e97bfbf9bf1c58e39263846c568f">H5P_DEFAULT</a>, fapl)) < 0) {</div> +<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  ret_val = EXIT_FAILURE;</div> +<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">goto</span> fail_file;</div> +<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  }</div> +<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div> +<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <a class="code" href="group___h5_f.html#gac55cd91d80822e4f8c2a7f04ea71b124">H5Fclose</a>(file);</div> +<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> fail_file:</div> +<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <a class="code" href="group___p_l_c_r.html#ga5dce61149211d3ef319452aa598887fb">H5Pclose</a>(fapl);</div> +<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> fail_fapl:;</div> +<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  }</div> +<div class="ttc" id="a_h5_fpublic_8h_html_a2d963b599894f684571fbd4d5e8a96a2a434ca8def77a117013577c8cec6af0d8"><div class="ttname"><a href="_h5_fpublic_8h.html#a2d963b599894f684571fbd4d5e8a96a2a434ca8def77a117013577c8cec6af0d8">H5F_LIBVER_V18</a></div><div class="ttdeci">@ H5F_LIBVER_V18</div><div class="ttdef"><b>Definition:</b> H5Fpublic.h:187</div></div> +<div class="ttc" id="a_h5_fpublic_8h_html_a47d050173da48a2b85c730446f0771c0"><div class="ttname"><a href="_h5_fpublic_8h.html#a47d050173da48a2b85c730446f0771c0">H5F_LIBVER_LATEST</a></div><div class="ttdeci">#define H5F_LIBVER_LATEST</div><div class="ttdef"><b>Definition:</b> H5Fpublic.h:195</div></div> +<div class="ttc" id="a_h5_fpublic_8h_html_a5a2d6726f9ad8d2bca8df2b817e5ad6a"><div class="ttname"><a href="_h5_fpublic_8h.html#a5a2d6726f9ad8d2bca8df2b817e5ad6a">H5F_ACC_TRUNC</a></div><div class="ttdeci">#define H5F_ACC_TRUNC</div><div class="ttdef"><b>Definition:</b> H5Fpublic.h:50</div></div> +<div class="ttc" id="a_h5_ipublic_8h_html_a0045db7ff9c22ad35db6ae91662e1943"><div class="ttname"><a href="_h5_ipublic_8h.html#a0045db7ff9c22ad35db6ae91662e1943">hid_t</a></div><div class="ttdeci">int64_t hid_t</div><div class="ttdef"><b>Definition:</b> H5Ipublic.h:60</div></div> +<div class="ttc" id="a_h5_ppublic_8h_html_a60ec2d4334addfc0eda89614598ee38e"><div class="ttname"><a href="_h5_ppublic_8h.html#a60ec2d4334addfc0eda89614598ee38e">H5P_FILE_ACCESS</a></div><div class="ttdeci">#define H5P_FILE_ACCESS</div><div class="ttdef"><b>Definition:</b> H5Ppublic.h:52</div></div> +<div class="ttc" id="a_h5_ppublic_8h_html_afa85e97bfbf9bf1c58e39263846c568f"><div class="ttname"><a href="_h5_ppublic_8h.html#afa85e97bfbf9bf1c58e39263846c568f">H5P_DEFAULT</a></div><div class="ttdeci">#define H5P_DEFAULT</div><div class="ttdef"><b>Definition:</b> H5Ppublic.h:102</div></div> +<div class="ttc" id="agroup___f_a_p_l_html_gacbe1724e7f70cd17ed687417a1d2a910"><div class="ttname"><a href="group___f_a_p_l.html#gacbe1724e7f70cd17ed687417a1d2a910">H5Pset_libver_bounds</a></div><div class="ttdeci">herr_t H5Pset_libver_bounds(hid_t plist_id, H5F_libver_t low, H5F_libver_t high)</div><div class="ttdoc">Controls the range of library release versions used when creating objects in a file.</div></div> +<div class="ttc" id="agroup___h5_f_html_gac55cd91d80822e4f8c2a7f04ea71b124"><div class="ttname"><a href="group___h5_f.html#gac55cd91d80822e4f8c2a7f04ea71b124">H5Fclose</a></div><div class="ttdeci">herr_t H5Fclose(hid_t file_id)</div><div class="ttdoc">Terminates access to an HDF5 file.</div></div> +<div class="ttc" id="agroup___h5_f_html_gae64b51ee9ac0781bc4ccc599d98387f4"><div class="ttname"><a href="group___h5_f.html#gae64b51ee9ac0781bc4ccc599d98387f4">H5Fcreate</a></div><div class="ttdeci">hid_t H5Fcreate(const char *filename, unsigned flags, hid_t fcpl_id, hid_t fapl_id)</div><div class="ttdoc">Creates an HDF5 file.</div></div> +<div class="ttc" id="agroup___p_l_c_r_html_ga5dce61149211d3ef319452aa598887fb"><div class="ttname"><a href="group___p_l_c_r.html#ga5dce61149211d3ef319452aa598887fb">H5Pclose</a></div><div class="ttdeci">herr_t H5Pclose(hid_t plist_id)</div><div class="ttdoc">Terminates access to a property list.</div></div> +<div class="ttc" id="agroup___p_l_c_r_html_gaf1b11da01d4d45d788c45f8bc5f0cbfa"><div class="ttname"><a href="group___p_l_c_r.html#gaf1b11da01d4d45d788c45f8bc5f0cbfa">H5Pcreate</a></div><div class="ttdeci">hid_t H5Pcreate(hid_t cls_id)</div><div class="ttdoc">Creates a new property list as an instance of a property list class.</div></div> +</div><!-- fragment --> </dd></dl> +<dl class="section user"><dt>Discussion</dt><dd>See RFC <a href="https://docs.hdfgroup.org/hdf5/rfc/RFC-bounds.pdf">Setting Bounds for Object Creation in HDF5 1.10.0</a> for a detailed and comprehensive account of HDF5 versioning (library, file format spec., etc.) and the <a class="el" href="group___f_a_p_l.html#gacbe1724e7f70cd17ed687417a1d2a910" title="Controls the range of library release versions used when creating objects in a file.">H5Pset_libver_bounds()</a> function.<br /> +The default range <a class="el" href="_h5_fpublic_8h.html#a2d963b599894f684571fbd4d5e8a96a2abed98059b4a02d048b1eb3985fba5fa1">H5F_LIBVER_EARLIEST</a> (low) - <a class="el" href="_h5_fpublic_8h.html#a47d050173da48a2b85c730446f0771c0">H5F_LIBVER_LATEST</a> (high) offers the widest compatibility range, but may not be suitable for certain (feature-)use cases.<br /> +The HDF5 library comes with a <em>forward-</em> and <em>backward-compatibility</em> guarantee: This means that the latest version of the library can always read HDF5 files created by a version realesed earlier (backward compatibility). It also means that a given release of the library can read the contents of HDF5 files created with later versions of the library as long as the files do not contain features introduced in later versions (forward compatibility).</dd></dl> +<dl class="section user"><dt>See Also</dt><dd>See the recipe <a class="el" href="_attributes.html#CB_LargeAttributes">Creating "Large" HDF5 Attributes</a> for an example where we use HDF5 compatibility settings to enable the creation of large HDF5 attributes. </dd></dl> +</div></div><!-- contents --> +</div><!-- PageDoc --> +</div><!-- doc-content --> +<!-- start footer part --> +<div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> + <ul> + <li class="footer">Generated on Mon Jun 26 2023 19:01:33 for HDF5 by + <a href="http://www.doxygen.org/index.html"> + <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.9.1 </li> + </ul> +</div> +</body> +</html> |