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[svn-r503] HDF5 Reference Manual Updated for Alpha2.
1998-07-15 12:51:50 +08:00
<html>
[svn-r5769] Purpose: Bugfix Description: Corrected H5Zregister description, syntax, and parameter descriptions. There is one 'function' parameter, rather than the separate 'compression-function' and 'uncompression-function' parameters that were previously listed. Platforms tested: IE 5
2002-07-06 05:13:15 +08:00
<head>
<title>
[svn-r985] Checking in changes from "HDF5 Release 1.0" CVS branch that have not yet been checked into "HDF5 Development" branch. General ======= Various "copy edit" types of repairs. Revisions to document cross-linking. Added structural links tying all docs together (banners at top and bottom of documents, similar to Reference Manual banners of the Beta release). Set background color to white in all documents. NCSAfooterlogo.gif hdf2.jpg New image files to make the documents more self-contained (i.e., to prevent loading images from NCSA and HDF home servers). index.html Redesigned to isolate links external to the installation in a single location. Intro to HDF5 ============= H5.intro.html Fixed banner linking Intro to other docs. Set all URLs to be relative within the distribution; nothing points back to the HDF server. Updates to "Limits of the Current Release" and "Changes in the Current Release." HDF5 User's Guide ================= Changed several User Guide section titles such that all sections that are primarily about a particular interface are now titled in the format "The xxxxx Interface (H5x)". H5.user.html Commented out links to developer docs since they are marked in MANIFEST as not being for distribution in the release. Removed 2nd and 3rd indices from page. Changed "freeform" lists of sections (TOCs) to aligned tables. Datatypes.html Removed the sentence "I'm deferring definition until later since they're probably not as important as the other data types." from Section 3.3, "Properties of Date and Time Atomic Types." Added info regarding 'char' versus 'string' datatypes. Added as Section 3.7, "Character and String Datatype Issues." References.html Commented out substantial material (at end of document) from References planning document that is not appropriate for the User Guide but that is worth keeping around. Groups.html Final edits from elimination of "current working group." HDF5 Reference Manual ===================== Removed "Draft" from the <title>__</title> lines. RM_H5Front.html Removed 2nd and 3rd indices from page. Changed "freeform" lists of sections (TOCs) to aligned tables. RM_H5F.html RM_H5P.html Add file mounting information.
1998-12-22 06:52:56 +08:00
HDF5/H5Z API Specification
[svn-r5769] Purpose: Bugfix Description: Corrected H5Zregister description, syntax, and parameter descriptions. There is one 'function' parameter, rather than the separate 'compression-function' and 'uncompression-function' parameters that were previously listed. Platforms tested: IE 5
2002-07-06 05:13:15 +08:00
</title>
[svn-r6478] Purpose: DreamWeaver (DW) adaptation of the HDF5 doc set, introducing the use of stylesheets and DW libraries. Stylesheets -- for consistent format management. DW libraries -- for managing common elements across documents. Platforms tested: IE 5 and 6 Netscape
2003-03-15 03:12:34 +08:00
<!-- #BeginLibraryItem "/ed_libs/styles_RM.lbi" --><link href="ed_styles/RMelect.css" rel="stylesheet" type="text/css"><!-- #EndLibraryItem --></head>
[svn-r503] HDF5 Reference Manual Updated for Alpha2.
1998-07-15 12:51:50 +08:00
[svn-r985] Checking in changes from "HDF5 Release 1.0" CVS branch that have not yet been checked into "HDF5 Development" branch. General ======= Various "copy edit" types of repairs. Revisions to document cross-linking. Added structural links tying all docs together (banners at top and bottom of documents, similar to Reference Manual banners of the Beta release). Set background color to white in all documents. NCSAfooterlogo.gif hdf2.jpg New image files to make the documents more self-contained (i.e., to prevent loading images from NCSA and HDF home servers). index.html Redesigned to isolate links external to the installation in a single location. Intro to HDF5 ============= H5.intro.html Fixed banner linking Intro to other docs. Set all URLs to be relative within the distribution; nothing points back to the HDF server. Updates to "Limits of the Current Release" and "Changes in the Current Release." HDF5 User's Guide ================= Changed several User Guide section titles such that all sections that are primarily about a particular interface are now titled in the format "The xxxxx Interface (H5x)". H5.user.html Commented out links to developer docs since they are marked in MANIFEST as not being for distribution in the release. Removed 2nd and 3rd indices from page. Changed "freeform" lists of sections (TOCs) to aligned tables. Datatypes.html Removed the sentence "I'm deferring definition until later since they're probably not as important as the other data types." from Section 3.3, "Properties of Date and Time Atomic Types." Added info regarding 'char' versus 'string' datatypes. Added as Section 3.7, "Character and String Datatype Issues." References.html Commented out substantial material (at end of document) from References planning document that is not appropriate for the User Guide but that is worth keeping around. Groups.html Final edits from elimination of "current working group." HDF5 Reference Manual ===================== Removed "Draft" from the <title>__</title> lines. RM_H5Front.html Removed 2nd and 3rd indices from page. Changed "freeform" lists of sections (TOCs) to aligned tables. RM_H5F.html RM_H5P.html Add file mounting information.
1998-12-22 06:52:56 +08:00
<body bgcolor="#FFFFFF">
[svn-r503] HDF5 Reference Manual Updated for Alpha2.
1998-07-15 12:51:50 +08:00
[svn-r6478] Purpose: DreamWeaver (DW) adaptation of the HDF5 doc set, introducing the use of stylesheets and DW libraries. Stylesheets -- for consistent format management. DW libraries -- for managing common elements across documents. Platforms tested: IE 5 and 6 Netscape
2003-03-15 03:12:34 +08:00
<!-- #BeginLibraryItem "/ed_libs/NavBar_RM.lbi" --><hr>
[svn-r504] HDF5 Reference Manual RM_H5Z.html -- Compression functions, H5Z Interface Updated for Alpha2.
1998-07-15 13:14:11 +08:00
<center>
[svn-r985] Checking in changes from "HDF5 Release 1.0" CVS branch that have not yet been checked into "HDF5 Development" branch. General ======= Various "copy edit" types of repairs. Revisions to document cross-linking. Added structural links tying all docs together (banners at top and bottom of documents, similar to Reference Manual banners of the Beta release). Set background color to white in all documents. NCSAfooterlogo.gif hdf2.jpg New image files to make the documents more self-contained (i.e., to prevent loading images from NCSA and HDF home servers). index.html Redesigned to isolate links external to the installation in a single location. Intro to HDF5 ============= H5.intro.html Fixed banner linking Intro to other docs. Set all URLs to be relative within the distribution; nothing points back to the HDF server. Updates to "Limits of the Current Release" and "Changes in the Current Release." HDF5 User's Guide ================= Changed several User Guide section titles such that all sections that are primarily about a particular interface are now titled in the format "The xxxxx Interface (H5x)". H5.user.html Commented out links to developer docs since they are marked in MANIFEST as not being for distribution in the release. Removed 2nd and 3rd indices from page. Changed "freeform" lists of sections (TOCs) to aligned tables. Datatypes.html Removed the sentence "I'm deferring definition until later since they're probably not as important as the other data types." from Section 3.3, "Properties of Date and Time Atomic Types." Added info regarding 'char' versus 'string' datatypes. Added as Section 3.7, "Character and String Datatype Issues." References.html Commented out substantial material (at end of document) from References planning document that is not appropriate for the User Guide but that is worth keeping around. Groups.html Final edits from elimination of "current working group." HDF5 Reference Manual ===================== Removed "Draft" from the <title>__</title> lines. RM_H5Front.html Removed 2nd and 3rd indices from page. Changed "freeform" lists of sections (TOCs) to aligned tables. RM_H5F.html RM_H5P.html Add file mounting information.
1998-12-22 06:52:56 +08:00
<table border=0 width=98%>
<tr><td valign=top align=left>
[svn-r6478] Purpose: DreamWeaver (DW) adaptation of the HDF5 doc set, introducing the use of stylesheets and DW libraries. Stylesheets -- for consistent format management. DW libraries -- for managing common elements across documents. Platforms tested: IE 5 and 6 Netscape
2003-03-15 03:12:34 +08:00
<a href="index.html">HDF5 documents and links</a>&nbsp;<br>
[svn-r985] Checking in changes from "HDF5 Release 1.0" CVS branch that have not yet been checked into "HDF5 Development" branch. General ======= Various "copy edit" types of repairs. Revisions to document cross-linking. Added structural links tying all docs together (banners at top and bottom of documents, similar to Reference Manual banners of the Beta release). Set background color to white in all documents. NCSAfooterlogo.gif hdf2.jpg New image files to make the documents more self-contained (i.e., to prevent loading images from NCSA and HDF home servers). index.html Redesigned to isolate links external to the installation in a single location. Intro to HDF5 ============= H5.intro.html Fixed banner linking Intro to other docs. Set all URLs to be relative within the distribution; nothing points back to the HDF server. Updates to "Limits of the Current Release" and "Changes in the Current Release." HDF5 User's Guide ================= Changed several User Guide section titles such that all sections that are primarily about a particular interface are now titled in the format "The xxxxx Interface (H5x)". H5.user.html Commented out links to developer docs since they are marked in MANIFEST as not being for distribution in the release. Removed 2nd and 3rd indices from page. Changed "freeform" lists of sections (TOCs) to aligned tables. Datatypes.html Removed the sentence "I'm deferring definition until later since they're probably not as important as the other data types." from Section 3.3, "Properties of Date and Time Atomic Types." Added info regarding 'char' versus 'string' datatypes. Added as Section 3.7, "Character and String Datatype Issues." References.html Commented out substantial material (at end of document) from References planning document that is not appropriate for the User Guide but that is worth keeping around. Groups.html Final edits from elimination of "current working group." HDF5 Reference Manual ===================== Removed "Draft" from the <title>__</title> lines. RM_H5Front.html Removed 2nd and 3rd indices from page. Changed "freeform" lists of sections (TOCs) to aligned tables. RM_H5F.html RM_H5P.html Add file mounting information.
1998-12-22 06:52:56 +08:00
<a href="H5.intro.html">Introduction to HDF5</a>&nbsp;<br>
<a href="H5.user.html">HDF5 User Guide</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>
[svn-r504] HDF5 Reference Manual RM_H5Z.html -- Compression functions, H5Z Interface Updated for Alpha2.
1998-07-15 13:14:11 +08:00
<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;
[svn-r830] ====== Intro ====== H5.intro.html Major rewrite to Groups section. New Example 7 (groups). Added TOC and requisite links. Numbered sections. Labelled figures and centered those that were not. Fixed table formatting. =========== User Guide =========== H5.user.html Linked in Chunking.html. Linked in References.html. Linked in DDL.html. Chunking.html Minor edits. DDL.html References.html New documents. Datatypes.html Added "R Reference" to base name description and "H5T_STD_ROBJ -- Reference to an entire object in a file" to list of datatype names. Files.html H5Fflush Added scope parameter. Groups.html Removed references to "current working group." Removed H5Gpush, H5Gpop, and H5Gset functions. Removed note that H5Glink and H5Gunlink were not implemented. ================= Reference Manual ================= RM_*.html and Tools.html Updated Reference Manual internal cross-linking (the link banner at the top and bottom of each page). Changed Returns SUCCEED (0) if successful; otherwise FAIL (-1). to read Returns a non-negative value if successful; otherwise returns a negative value. and several derived changes where circumstances differred only slightly. Minor copy edits throughout. RM_H5.html Corrected H5open "Purpose" statement. RM_H5A.html Changed H5Aget_name return type to hssize_t. RM_H5F.html H5Fflush Added scope parameter. Added H5Freopen. RM_H5Front.html Reordered listing of interfaces to alphabetical order (H5, H5A, H5D, ...) Added H5I, H5R, and H5RA. RM_H5G.html H5Gopen Edited "Description." H5Gget_objinfo Added named datatype to list of valid values for loc_id. RM_H5I.html Identifier Interface New section. RM_H5P.html Added H5Pset_fill_value and H5Pget_fill_value. Several minor copy edits. RM_H5R.html Reference Interface New section. H5RA.html Essentially a new section. It was in the tree previously, but it did not actually have content. RM_H5S.html Changed H5Sget_select_npoints return type to hssize_t. Tools.html Updated h5dump documentation.
1998-10-30 06:13:17 +08:00
<a href="RM_H5I.html">H5I</a>&nbsp;&nbsp;
[svn-r504] HDF5 Reference Manual RM_H5Z.html -- Compression functions, H5Z Interface Updated for Alpha2.
1998-07-15 13:14:11 +08:00
<a href="RM_H5P.html">H5P</a>&nbsp;&nbsp;
[svn-r3117] Purpose: Linking the new "Predefined Dataypes" document into the RM. Description: Added PredefDTypes.html link into all RM files. Platforms tested: IE 5
2000-12-13 06:43:02 +08:00
<br>
[svn-r830] ====== Intro ====== H5.intro.html Major rewrite to Groups section. New Example 7 (groups). Added TOC and requisite links. Numbered sections. Labelled figures and centered those that were not. Fixed table formatting. =========== User Guide =========== H5.user.html Linked in Chunking.html. Linked in References.html. Linked in DDL.html. Chunking.html Minor edits. DDL.html References.html New documents. Datatypes.html Added "R Reference" to base name description and "H5T_STD_ROBJ -- Reference to an entire object in a file" to list of datatype names. Files.html H5Fflush Added scope parameter. Groups.html Removed references to "current working group." Removed H5Gpush, H5Gpop, and H5Gset functions. Removed note that H5Glink and H5Gunlink were not implemented. ================= Reference Manual ================= RM_*.html and Tools.html Updated Reference Manual internal cross-linking (the link banner at the top and bottom of each page). Changed Returns SUCCEED (0) if successful; otherwise FAIL (-1). to read Returns a non-negative value if successful; otherwise returns a negative value. and several derived changes where circumstances differred only slightly. Minor copy edits throughout. RM_H5.html Corrected H5open "Purpose" statement. RM_H5A.html Changed H5Aget_name return type to hssize_t. RM_H5F.html H5Fflush Added scope parameter. Added H5Freopen. RM_H5Front.html Reordered listing of interfaces to alphabetical order (H5, H5A, H5D, ...) Added H5I, H5R, and H5RA. RM_H5G.html H5Gopen Edited "Description." H5Gget_objinfo Added named datatype to list of valid values for loc_id. RM_H5I.html Identifier Interface New section. RM_H5P.html Added H5Pset_fill_value and H5Pget_fill_value. Several minor copy edits. RM_H5R.html Reference Interface New section. H5RA.html Essentially a new section. It was in the tree previously, but it did not actually have content. RM_H5S.html Changed H5Sget_select_npoints return type to hssize_t. Tools.html Updated h5dump documentation.
1998-10-30 06:13:17 +08:00
<a href="RM_H5R.html">H5R</a>&nbsp;&nbsp;
[svn-r504] HDF5 Reference Manual RM_H5Z.html -- Compression functions, H5Z Interface Updated for Alpha2.
1998-07-15 13:14:11 +08:00
<a href="RM_H5S.html">H5S</a>&nbsp;&nbsp;
<a href="RM_H5T.html">H5T</a>&nbsp;&nbsp;
[svn-r6478] Purpose: DreamWeaver (DW) adaptation of the HDF5 doc set, introducing the use of stylesheets and DW libraries. Stylesheets -- for consistent format management. DW libraries -- for managing common elements across documents. Platforms tested: IE 5 and 6 Netscape
2003-03-15 03:12:34 +08:00
<a href="RM_H5Z.html">H5Z</a>&nbsp;&nbsp;
[svn-r693] Update for beta release. Complete CVS log messages can be found with the versions of these files that are maintained in hdf5/doc/src/.
1998-09-12 00:00:43 +08:00
<a href="Tools.html">Tools</a>&nbsp;&nbsp;
[svn-r3117] Purpose: Linking the new "Predefined Dataypes" document into the RM. Description: Added PredefDTypes.html link into all RM files. Platforms tested: IE 5
2000-12-13 06:43:02 +08:00
<a href="PredefDTypes.html">Datatypes</a>&nbsp;&nbsp;
[svn-r985] Checking in changes from "HDF5 Release 1.0" CVS branch that have not yet been checked into "HDF5 Development" branch. General ======= Various "copy edit" types of repairs. Revisions to document cross-linking. Added structural links tying all docs together (banners at top and bottom of documents, similar to Reference Manual banners of the Beta release). Set background color to white in all documents. NCSAfooterlogo.gif hdf2.jpg New image files to make the documents more self-contained (i.e., to prevent loading images from NCSA and HDF home servers). index.html Redesigned to isolate links external to the installation in a single location. Intro to HDF5 ============= H5.intro.html Fixed banner linking Intro to other docs. Set all URLs to be relative within the distribution; nothing points back to the HDF server. Updates to "Limits of the Current Release" and "Changes in the Current Release." HDF5 User's Guide ================= Changed several User Guide section titles such that all sections that are primarily about a particular interface are now titled in the format "The xxxxx Interface (H5x)". H5.user.html Commented out links to developer docs since they are marked in MANIFEST as not being for distribution in the release. Removed 2nd and 3rd indices from page. Changed "freeform" lists of sections (TOCs) to aligned tables. Datatypes.html Removed the sentence "I'm deferring definition until later since they're probably not as important as the other data types." from Section 3.3, "Properties of Date and Time Atomic Types." Added info regarding 'char' versus 'string' datatypes. Added as Section 3.7, "Character and String Datatype Issues." References.html Commented out substantial material (at end of document) from References planning document that is not appropriate for the User Guide but that is worth keeping around. Groups.html Final edits from elimination of "current working group." HDF5 Reference Manual ===================== Removed "Draft" from the <title>__</title> lines. RM_H5Front.html Removed 2nd and 3rd indices from page. Changed "freeform" lists of sections (TOCs) to aligned tables. RM_H5F.html RM_H5P.html Add file mounting information.
1998-12-22 06:52:56 +08:00
</td></tr>
</table>
[svn-r504] HDF5 Reference Manual RM_H5Z.html -- Compression functions, H5Z Interface Updated for Alpha2.
1998-07-15 13:14:11 +08:00
</center>
<hr>
[svn-r6478] Purpose: DreamWeaver (DW) adaptation of the HDF5 doc set, introducing the use of stylesheets and DW libraries. Stylesheets -- for consistent format management. DW libraries -- for managing common elements across documents. Platforms tested: IE 5 and 6 Netscape
2003-03-15 03:12:34 +08:00
<!-- #EndLibraryItem --><center>
[svn-r503] HDF5 Reference Manual Updated for Alpha2.
1998-07-15 12:51:50 +08:00
<h1>H5Z: Compression Interface</h1>
</center>
<h2>Compression API Functions</h2>
This function enable the user to configure a new compression
method for the local environment.
<table border=0>
<tr><td valign=top>
<ul>
<li><a href="#Compression-Register">H5Zregister</a>
</ul>
</td><td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td><td valign=top>
<ul>
&nbsp;
</ul>
</td></tr>
</table>
<p>
HDF5 supports compression of raw data by compression methods
built into the library or defined by an application.
A compression method is associated with a dataset when the dataset is
created and is applied independently to each storage chunk of the dataset.
The dataset must use the <code>H5D_CHUNKED</code> storage layout.
<p>
The HDF5 library does not support compression for contiguous datasets
because of the difficulty of implementing random access for partial I/O.
Compact dataset compression is not supported because it would not produce
significant results.
<p>
[svn-r2525] RM_H5P.html RM_H5Z.html Corrected compression cross-reference.
2000-09-08 23:35:39 +08:00
See <a href="Datasets.html"><cite>The Dataset Interface (H5D)</cite></a>
in the <cite>HDF5 User's Guide</cite> for further information regarding
data compression.
[svn-r503] HDF5 Reference Manual Updated for Alpha2.
1998-07-15 12:51:50 +08:00
<hr>
<dl>
<dt><strong>Name:</strong> <a name="Compression-Register">H5Zregister</a>
<dt><strong>Signature:</strong>
<dd><em>herr_t</em> <code>H5Zregister</code>(<em>H5Z_method_t</em> <code>method</code>,
<em>const char *</em><code>name</code>,
[svn-r5769] Purpose: Bugfix Description: Corrected H5Zregister description, syntax, and parameter descriptions. There is one 'function' parameter, rather than the separate 'compression-function' and 'uncompression-function' parameters that were previously listed. Platforms tested: IE 5
2002-07-06 05:13:15 +08:00
<em>H5Z_func_t</em> <code>function</code>
[svn-r503] HDF5 Reference Manual Updated for Alpha2.
1998-07-15 12:51:50 +08:00
)
<dt><strong>Purpose:</strong>
[svn-r5769] Purpose: Bugfix Description: Corrected H5Zregister description, syntax, and parameter descriptions. There is one 'function' parameter, rather than the separate 'compression-function' and 'uncompression-function' parameters that were previously listed. Platforms tested: IE 5
2002-07-06 05:13:15 +08:00
<dd> Registers new compression / uncompression function.
[svn-r503] HDF5 Reference Manual Updated for Alpha2.
1998-07-15 12:51:50 +08:00
<dt><strong>Description:</strong>
[svn-r5769] Purpose: Bugfix Description: Corrected H5Zregister description, syntax, and parameter descriptions. There is one 'function' parameter, rather than the separate 'compression-function' and 'uncompression-function' parameters that were previously listed. Platforms tested: IE 5
2002-07-06 05:13:15 +08:00
<dd><code>H5Zregister</code> registers a new compression / uncompression
function for the compression method specified by
the method number, <code>method</code>.
<p>
<code>name</code> is used for debugging and may be the null pointer.
<p>
<code>function</code> is a user-defined function providing both
compression and uncompression; it may be the null pointer.
[svn-r503] HDF5 Reference Manual Updated for Alpha2.
1998-07-15 12:51:50 +08:00
<p>
The statistics associated with a method number are not reset
by this function; they accumulate over the life of the library.
[svn-r6393] Purpose: To bring the H5Z_func_t definition from the old User's Guide into the Reference Manual. Description: Added custom filter function H5Z_func_t definition to the H5Zregister function description. This definition will next be edited to bring it up-to-date. Platforms tested: IE 5
2003-02-12 01:09:25 +08:00
<p><strong>New filters</strong> are defined in two phases. Before a filter can be
linked into the application with <code>H5Zregister</code>,
<code>H5Z_func_t</code> must first be defined as follows:
<dir>
<em>typedef size_t</em> (*<code>H5Z_func_t</code>)
(<em>unsigned int</em> <code>flags</code>,
<em>size_t</em> <code>cd_nelmts</code>,
<em>const unsigned int</em> <code>cd_values[]</code>,
<em>size_t</em> <code>nbytes</code>,
<em>size_t *</em><code>buf_size</code>,
<em>void **</em><code>buf</code>)
</dir>
<p>The parameters <code>flags</code>, <code>cd_nelmts</code>,
and <code>cd_values</code> are the same as for the
<code>H5Pset_filter()</code> function.
The additional flag <code>H5Z_FLAG_REVERSE</code> is set when
the filter is called as part of the input pipeline.
The parameter <code>*buf</code> points to the input buffer
which has a total size of <code>*buf_size</code> bytes,
<code>nbytes</code> of which are valid data.
<p>The filter should perform the transformation in place if
possible and return the number of valid bytes or zero for
failure. If the transformation cannot be done in place,
then the filter should allocate a new buffer with
<code>malloc()</code> and assign it to <code>*buf</code>,
assigning the allocated size of that buffer to
<code>*buf_size</code>.
The old buffer should be freed by calling <code>free()</code>.
[svn-r503] HDF5 Reference Manual Updated for Alpha2.
1998-07-15 12:51:50 +08:00
<dt><strong>Parameters:</strong>
<dl>
<dt><em>H5Z_method_t</em> <code>method</code>
[svn-r5769] Purpose: Bugfix Description: Corrected H5Zregister description, syntax, and parameter descriptions. There is one 'function' parameter, rather than the separate 'compression-function' and 'uncompression-function' parameters that were previously listed. Platforms tested: IE 5
2002-07-06 05:13:15 +08:00
<dd>IN: Number specifying compression method.
[svn-r503] HDF5 Reference Manual Updated for Alpha2.
1998-07-15 12:51:50 +08:00
<dt><em>const char *</em><code>name</code>
[svn-r5769] Purpose: Bugfix Description: Corrected H5Zregister description, syntax, and parameter descriptions. There is one 'function' parameter, rather than the separate 'compression-function' and 'uncompression-function' parameters that were previously listed. Platforms tested: IE 5
2002-07-06 05:13:15 +08:00
<dd>IN: Name associated with the method number.
Used for debugging purposes only.
<dt><em>H5Z_func_t</em> <code>function</code>
<dd>IN: Compression / uncompression method.
[svn-r503] HDF5 Reference Manual Updated for Alpha2.
1998-07-15 12:51:50 +08:00
</dl>
<dt><strong>Returns:</strong>
[svn-r830] ====== Intro ====== H5.intro.html Major rewrite to Groups section. New Example 7 (groups). Added TOC and requisite links. Numbered sections. Labelled figures and centered those that were not. Fixed table formatting. =========== User Guide =========== H5.user.html Linked in Chunking.html. Linked in References.html. Linked in DDL.html. Chunking.html Minor edits. DDL.html References.html New documents. Datatypes.html Added "R Reference" to base name description and "H5T_STD_ROBJ -- Reference to an entire object in a file" to list of datatype names. Files.html H5Fflush Added scope parameter. Groups.html Removed references to "current working group." Removed H5Gpush, H5Gpop, and H5Gset functions. Removed note that H5Glink and H5Gunlink were not implemented. ================= Reference Manual ================= RM_*.html and Tools.html Updated Reference Manual internal cross-linking (the link banner at the top and bottom of each page). Changed Returns SUCCEED (0) if successful; otherwise FAIL (-1). to read Returns a non-negative value if successful; otherwise returns a negative value. and several derived changes where circumstances differred only slightly. Minor copy edits throughout. RM_H5.html Corrected H5open "Purpose" statement. RM_H5A.html Changed H5Aget_name return type to hssize_t. RM_H5F.html H5Fflush Added scope parameter. Added H5Freopen. RM_H5Front.html Reordered listing of interfaces to alphabetical order (H5, H5A, H5D, ...) Added H5I, H5R, and H5RA. RM_H5G.html H5Gopen Edited "Description." H5Gget_objinfo Added named datatype to list of valid values for loc_id. RM_H5I.html Identifier Interface New section. RM_H5P.html Added H5Pset_fill_value and H5Pget_fill_value. Several minor copy edits. RM_H5R.html Reference Interface New section. H5RA.html Essentially a new section. It was in the tree previously, but it did not actually have content. RM_H5S.html Changed H5Sget_select_npoints return type to hssize_t. Tools.html Updated h5dump documentation.
1998-10-30 06:13:17 +08:00
<dd>Returns a non-negative value if successful;
otherwise returns a negative value.
[svn-r503] HDF5 Reference Manual Updated for Alpha2.
1998-07-15 12:51:50 +08:00
</dl>
[svn-r6478] Purpose: DreamWeaver (DW) adaptation of the HDF5 doc set, introducing the use of stylesheets and DW libraries. Stylesheets -- for consistent format management. DW libraries -- for managing common elements across documents. Platforms tested: IE 5 and 6 Netscape
2003-03-15 03:12:34 +08:00
<!-- #BeginLibraryItem "/ed_libs/NavBar_RM.lbi" --><hr>
[svn-r504] HDF5 Reference Manual RM_H5Z.html -- Compression functions, H5Z Interface Updated for Alpha2.
1998-07-15 13:14:11 +08:00
<center>
[svn-r985] Checking in changes from "HDF5 Release 1.0" CVS branch that have not yet been checked into "HDF5 Development" branch. General ======= Various "copy edit" types of repairs. Revisions to document cross-linking. Added structural links tying all docs together (banners at top and bottom of documents, similar to Reference Manual banners of the Beta release). Set background color to white in all documents. NCSAfooterlogo.gif hdf2.jpg New image files to make the documents more self-contained (i.e., to prevent loading images from NCSA and HDF home servers). index.html Redesigned to isolate links external to the installation in a single location. Intro to HDF5 ============= H5.intro.html Fixed banner linking Intro to other docs. Set all URLs to be relative within the distribution; nothing points back to the HDF server. Updates to "Limits of the Current Release" and "Changes in the Current Release." HDF5 User's Guide ================= Changed several User Guide section titles such that all sections that are primarily about a particular interface are now titled in the format "The xxxxx Interface (H5x)". H5.user.html Commented out links to developer docs since they are marked in MANIFEST as not being for distribution in the release. Removed 2nd and 3rd indices from page. Changed "freeform" lists of sections (TOCs) to aligned tables. Datatypes.html Removed the sentence "I'm deferring definition until later since they're probably not as important as the other data types." from Section 3.3, "Properties of Date and Time Atomic Types." Added info regarding 'char' versus 'string' datatypes. Added as Section 3.7, "Character and String Datatype Issues." References.html Commented out substantial material (at end of document) from References planning document that is not appropriate for the User Guide but that is worth keeping around. Groups.html Final edits from elimination of "current working group." HDF5 Reference Manual ===================== Removed "Draft" from the <title>__</title> lines. RM_H5Front.html Removed 2nd and 3rd indices from page. Changed "freeform" lists of sections (TOCs) to aligned tables. RM_H5F.html RM_H5P.html Add file mounting information.
1998-12-22 06:52:56 +08:00
<table border=0 width=98%>
<tr><td valign=top align=left>
[svn-r6478] Purpose: DreamWeaver (DW) adaptation of the HDF5 doc set, introducing the use of stylesheets and DW libraries. Stylesheets -- for consistent format management. DW libraries -- for managing common elements across documents. Platforms tested: IE 5 and 6 Netscape
2003-03-15 03:12:34 +08:00
<a href="index.html">HDF5 documents and links</a>&nbsp;<br>
[svn-r985] Checking in changes from "HDF5 Release 1.0" CVS branch that have not yet been checked into "HDF5 Development" branch. General ======= Various "copy edit" types of repairs. Revisions to document cross-linking. Added structural links tying all docs together (banners at top and bottom of documents, similar to Reference Manual banners of the Beta release). Set background color to white in all documents. NCSAfooterlogo.gif hdf2.jpg New image files to make the documents more self-contained (i.e., to prevent loading images from NCSA and HDF home servers). index.html Redesigned to isolate links external to the installation in a single location. Intro to HDF5 ============= H5.intro.html Fixed banner linking Intro to other docs. Set all URLs to be relative within the distribution; nothing points back to the HDF server. Updates to "Limits of the Current Release" and "Changes in the Current Release." HDF5 User's Guide ================= Changed several User Guide section titles such that all sections that are primarily about a particular interface are now titled in the format "The xxxxx Interface (H5x)". H5.user.html Commented out links to developer docs since they are marked in MANIFEST as not being for distribution in the release. Removed 2nd and 3rd indices from page. Changed "freeform" lists of sections (TOCs) to aligned tables. Datatypes.html Removed the sentence "I'm deferring definition until later since they're probably not as important as the other data types." from Section 3.3, "Properties of Date and Time Atomic Types." Added info regarding 'char' versus 'string' datatypes. Added as Section 3.7, "Character and String Datatype Issues." References.html Commented out substantial material (at end of document) from References planning document that is not appropriate for the User Guide but that is worth keeping around. Groups.html Final edits from elimination of "current working group." HDF5 Reference Manual ===================== Removed "Draft" from the <title>__</title> lines. RM_H5Front.html Removed 2nd and 3rd indices from page. Changed "freeform" lists of sections (TOCs) to aligned tables. RM_H5F.html RM_H5P.html Add file mounting information.
1998-12-22 06:52:56 +08:00
<a href="H5.intro.html">Introduction to HDF5</a>&nbsp;<br>
<a href="H5.user.html">HDF5 User Guide</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>
[svn-r504] HDF5 Reference Manual RM_H5Z.html -- Compression functions, H5Z Interface Updated for Alpha2.
1998-07-15 13:14:11 +08:00
<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;
[svn-r830] ====== Intro ====== H5.intro.html Major rewrite to Groups section. New Example 7 (groups). Added TOC and requisite links. Numbered sections. Labelled figures and centered those that were not. Fixed table formatting. =========== User Guide =========== H5.user.html Linked in Chunking.html. Linked in References.html. Linked in DDL.html. Chunking.html Minor edits. DDL.html References.html New documents. Datatypes.html Added "R Reference" to base name description and "H5T_STD_ROBJ -- Reference to an entire object in a file" to list of datatype names. Files.html H5Fflush Added scope parameter. Groups.html Removed references to "current working group." Removed H5Gpush, H5Gpop, and H5Gset functions. Removed note that H5Glink and H5Gunlink were not implemented. ================= Reference Manual ================= RM_*.html and Tools.html Updated Reference Manual internal cross-linking (the link banner at the top and bottom of each page). Changed Returns SUCCEED (0) if successful; otherwise FAIL (-1). to read Returns a non-negative value if successful; otherwise returns a negative value. and several derived changes where circumstances differred only slightly. Minor copy edits throughout. RM_H5.html Corrected H5open "Purpose" statement. RM_H5A.html Changed H5Aget_name return type to hssize_t. RM_H5F.html H5Fflush Added scope parameter. Added H5Freopen. RM_H5Front.html Reordered listing of interfaces to alphabetical order (H5, H5A, H5D, ...) Added H5I, H5R, and H5RA. RM_H5G.html H5Gopen Edited "Description." H5Gget_objinfo Added named datatype to list of valid values for loc_id. RM_H5I.html Identifier Interface New section. RM_H5P.html Added H5Pset_fill_value and H5Pget_fill_value. Several minor copy edits. RM_H5R.html Reference Interface New section. H5RA.html Essentially a new section. It was in the tree previously, but it did not actually have content. RM_H5S.html Changed H5Sget_select_npoints return type to hssize_t. Tools.html Updated h5dump documentation.
1998-10-30 06:13:17 +08:00
<a href="RM_H5I.html">H5I</a>&nbsp;&nbsp;
[svn-r504] HDF5 Reference Manual RM_H5Z.html -- Compression functions, H5Z Interface Updated for Alpha2.
1998-07-15 13:14:11 +08:00
<a href="RM_H5P.html">H5P</a>&nbsp;&nbsp;
[svn-r3117] Purpose: Linking the new "Predefined Dataypes" document into the RM. Description: Added PredefDTypes.html link into all RM files. Platforms tested: IE 5
2000-12-13 06:43:02 +08:00
<br>
[svn-r830] ====== Intro ====== H5.intro.html Major rewrite to Groups section. New Example 7 (groups). Added TOC and requisite links. Numbered sections. Labelled figures and centered those that were not. Fixed table formatting. =========== User Guide =========== H5.user.html Linked in Chunking.html. Linked in References.html. Linked in DDL.html. Chunking.html Minor edits. DDL.html References.html New documents. Datatypes.html Added "R Reference" to base name description and "H5T_STD_ROBJ -- Reference to an entire object in a file" to list of datatype names. Files.html H5Fflush Added scope parameter. Groups.html Removed references to "current working group." Removed H5Gpush, H5Gpop, and H5Gset functions. Removed note that H5Glink and H5Gunlink were not implemented. ================= Reference Manual ================= RM_*.html and Tools.html Updated Reference Manual internal cross-linking (the link banner at the top and bottom of each page). Changed Returns SUCCEED (0) if successful; otherwise FAIL (-1). to read Returns a non-negative value if successful; otherwise returns a negative value. and several derived changes where circumstances differred only slightly. Minor copy edits throughout. RM_H5.html Corrected H5open "Purpose" statement. RM_H5A.html Changed H5Aget_name return type to hssize_t. RM_H5F.html H5Fflush Added scope parameter. Added H5Freopen. RM_H5Front.html Reordered listing of interfaces to alphabetical order (H5, H5A, H5D, ...) Added H5I, H5R, and H5RA. RM_H5G.html H5Gopen Edited "Description." H5Gget_objinfo Added named datatype to list of valid values for loc_id. RM_H5I.html Identifier Interface New section. RM_H5P.html Added H5Pset_fill_value and H5Pget_fill_value. Several minor copy edits. RM_H5R.html Reference Interface New section. H5RA.html Essentially a new section. It was in the tree previously, but it did not actually have content. RM_H5S.html Changed H5Sget_select_npoints return type to hssize_t. Tools.html Updated h5dump documentation.
1998-10-30 06:13:17 +08:00
<a href="RM_H5R.html">H5R</a>&nbsp;&nbsp;
[svn-r504] HDF5 Reference Manual RM_H5Z.html -- Compression functions, H5Z Interface Updated for Alpha2.
1998-07-15 13:14:11 +08:00
<a href="RM_H5S.html">H5S</a>&nbsp;&nbsp;
<a href="RM_H5T.html">H5T</a>&nbsp;&nbsp;
[svn-r6478] Purpose: DreamWeaver (DW) adaptation of the HDF5 doc set, introducing the use of stylesheets and DW libraries. Stylesheets -- for consistent format management. DW libraries -- for managing common elements across documents. Platforms tested: IE 5 and 6 Netscape
2003-03-15 03:12:34 +08:00
<a href="RM_H5Z.html">H5Z</a>&nbsp;&nbsp;
[svn-r693] Update for beta release. Complete CVS log messages can be found with the versions of these files that are maintained in hdf5/doc/src/.
1998-09-12 00:00:43 +08:00
<a href="Tools.html">Tools</a>&nbsp;&nbsp;
[svn-r3117] Purpose: Linking the new "Predefined Dataypes" document into the RM. Description: Added PredefDTypes.html link into all RM files. Platforms tested: IE 5
2000-12-13 06:43:02 +08:00
<a href="PredefDTypes.html">Datatypes</a>&nbsp;&nbsp;
[svn-r985] Checking in changes from "HDF5 Release 1.0" CVS branch that have not yet been checked into "HDF5 Development" branch. General ======= Various "copy edit" types of repairs. Revisions to document cross-linking. Added structural links tying all docs together (banners at top and bottom of documents, similar to Reference Manual banners of the Beta release). Set background color to white in all documents. NCSAfooterlogo.gif hdf2.jpg New image files to make the documents more self-contained (i.e., to prevent loading images from NCSA and HDF home servers). index.html Redesigned to isolate links external to the installation in a single location. Intro to HDF5 ============= H5.intro.html Fixed banner linking Intro to other docs. Set all URLs to be relative within the distribution; nothing points back to the HDF server. Updates to "Limits of the Current Release" and "Changes in the Current Release." HDF5 User's Guide ================= Changed several User Guide section titles such that all sections that are primarily about a particular interface are now titled in the format "The xxxxx Interface (H5x)". H5.user.html Commented out links to developer docs since they are marked in MANIFEST as not being for distribution in the release. Removed 2nd and 3rd indices from page. Changed "freeform" lists of sections (TOCs) to aligned tables. Datatypes.html Removed the sentence "I'm deferring definition until later since they're probably not as important as the other data types." from Section 3.3, "Properties of Date and Time Atomic Types." Added info regarding 'char' versus 'string' datatypes. Added as Section 3.7, "Character and String Datatype Issues." References.html Commented out substantial material (at end of document) from References planning document that is not appropriate for the User Guide but that is worth keeping around. Groups.html Final edits from elimination of "current working group." HDF5 Reference Manual ===================== Removed "Draft" from the <title>__</title> lines. RM_H5Front.html Removed 2nd and 3rd indices from page. Changed "freeform" lists of sections (TOCs) to aligned tables. RM_H5F.html RM_H5P.html Add file mounting information.
1998-12-22 06:52:56 +08:00
</td></tr>
</table>
[svn-r504] HDF5 Reference Manual RM_H5Z.html -- Compression functions, H5Z Interface Updated for Alpha2.
1998-07-15 13:14:11 +08:00
</center>
[svn-r503] HDF5 Reference Manual Updated for Alpha2.
1998-07-15 12:51:50 +08:00
<hr>
[svn-r6478] Purpose: DreamWeaver (DW) adaptation of the HDF5 doc set, introducing the use of stylesheets and DW libraries. Stylesheets -- for consistent format management. DW libraries -- for managing common elements across documents. Platforms tested: IE 5 and 6 Netscape
2003-03-15 03:12:34 +08:00
<!-- #EndLibraryItem -->
[svn-r503] HDF5 Reference Manual Updated for Alpha2.
1998-07-15 12:51:50 +08:00
[svn-r6478] Purpose: DreamWeaver (DW) adaptation of the HDF5 doc set, introducing the use of stylesheets and DW libraries. Stylesheets -- for consistent format management. DW libraries -- for managing common elements across documents. Platforms tested: IE 5 and 6 Netscape
2003-03-15 03:12:34 +08:00
<!-- #BeginLibraryItem "/ed_libs/Footer.lbi" --><address>
[svn-r504] HDF5 Reference Manual RM_H5Z.html -- Compression functions, H5Z Interface Updated for Alpha2.
1998-07-15 13:14:11 +08:00
<a href="mailto:hdfhelp@ncsa.uiuc.edu">HDF Help Desk</a>
[svn-r2438] Added "Describes HDF5 Release..." line in page footers.
2000-07-18 03:40:34 +08:00
<br>
[svn-r3823] Purpose: Update "Describes HDF5 Release..." footer from R1.4 to "Release 1.5, Unreleased Development Branch" Platforms tested: IE 5
2001-04-19 06:03:09 +08:00
Describes HDF5 Release 1.5, Unreleased Development Branch
[svn-r6478] Purpose: DreamWeaver (DW) adaptation of the HDF5 doc set, introducing the use of stylesheets and DW libraries. Stylesheets -- for consistent format management. DW libraries -- for managing common elements across documents. Platforms tested: IE 5 and 6 Netscape
2003-03-15 03:12:34 +08:00
</address><!-- #EndLibraryItem -->
[svn-r3822] Purpose: Update "Describes HDF5 Release..." footer from R1.4 to "Release 1.5, Unreleased Development Branch" Platforms tested: IE 5
2001-04-19 05:50:43 +08:00
[svn-r6478] Purpose: DreamWeaver (DW) adaptation of the HDF5 doc set, introducing the use of stylesheets and DW libraries. Stylesheets -- for consistent format management. DW libraries -- for managing common elements across documents. Platforms tested: IE 5 and 6 Netscape
2003-03-15 03:12:34 +08:00
Last modified: 11 February 2003
[svn-r503] HDF5 Reference Manual Updated for Alpha2.
1998-07-15 12:51:50 +08:00
</body>
</html>
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