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author | Frank Baker <fbaker@hdfgroup.org> | 2005-01-12 18:18:43 (GMT) |
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committer | Frank Baker <fbaker@hdfgroup.org> | 2005-01-12 18:18:43 (GMT) |
commit | 39b18b8e0fb1b7d19a178a31ac16b1baaf113d98 (patch) | |
tree | d78ef8784261e3143d4d99b0d556de75b12efcaf /doc/html/RM_H5P.html | |
parent | 72fcca656a05643d335038e2f1f262fbcd909e4e (diff) | |
download | hdf5-39b18b8e0fb1b7d19a178a31ac16b1baaf113d98.zip hdf5-39b18b8e0fb1b7d19a178a31ac16b1baaf113d98.tar.gz hdf5-39b18b8e0fb1b7d19a178a31ac16b1baaf113d98.tar.bz2 |
[svn-r9813] Purpose:
Added H5Pset/get_data_transform
These are initial entries; they need technical review.
Removed several deprecated functions that have been commented out
through several release cycles (H5Pget_deflate and
H5Pset/get_compression) and several lines of no-longer-used
template code.
Minor formatting changes.
Platforms tested:
Mozilla
Diffstat (limited to 'doc/html/RM_H5P.html')
-rw-r--r-- | doc/html/RM_H5P.html | 362 |
1 files changed, 138 insertions, 224 deletions
diff --git a/doc/html/RM_H5P.html b/doc/html/RM_H5P.html index 4504519..2d0572a 100644 --- a/doc/html/RM_H5P.html +++ b/doc/html/RM_H5P.html @@ -242,6 +242,8 @@ which require many different parameters to be easily manipulated. <li><a href="#Property-SetEdcCheck">H5Pset_edc_check</a> <li><a href="#Property-GetEdcCheck">H5Pget_edc_check</a> <li><a href="#Property-SetFilterCallback">H5Pset_filter_callback</a> + <li><a href="#Property-SetDataTransform">H5Pset_data_transform</a> + <li><a href="#Property-GetDataTransform">H5Pget_data_transform</a> <li><a href="#Property-SetHyperVectorSize">H5Pset_hyper_vector_size</a> <li><a href="#Property-GetHyperVectorSize">H5Pget_hyper_vector_size</a> <li><a href="#Property-SetBTreeRatios">H5Pset_btree_ratios</a> @@ -285,7 +287,7 @@ which require many different parameters to be easily manipulated. <li><a href="#Property-Copy">H5Pcopy</a> <li><a href="#Property-Close">H5Pclose</a> </ul> - + <i>Generic Properties</i> <ul> <li><a href="#Property-CreateClass">H5Pcreate_class</a> @@ -379,11 +381,11 @@ which require many different parameters to be easily manipulated. <li><a href="#Property-GetIstoreK">H5Pget_istore_k</a> </ul> - <br><br> + <br><br> || <i>Indicates functions<br> available only in the<br> parallel HDF5 library.</i> - <br><br><br><br><br><br><br><br><br><br><br><br> + <br><br><br><br><br><br><br><br><br><br><br><br> <i>(Function listing<br> continues on next page.)</i></pre> </td> @@ -484,7 +486,7 @@ See further notes in the description of each function. <table border="0"> <tr> <td valign="top"> - <ul> + <ul> <li><a href="#Property-AllFiltersAvail">H5Pall_filters_avail</a> <li><a href="#Property-Close">H5Pclose</a> <li><a href="#Property-CloseClass">H5Pclose_class</a> @@ -525,13 +527,13 @@ See further notes in the description of each function. <li><a href="#Property-GetFaplStream">H5Pget_fapl_stream</a> <li><a href="#Property-GetFcloseDegree">H5Pget_fclose_degree</a> <li><a href="#Property-GetFillTime">H5Pget_fill_time</a> - </ul> + </ul> </td> <td> </td> <td valign="top"> - <ul> + <ul> <li><a href="#Property-GetFillValue">H5Pget_fill_value</a> <li><a href="#Property-GetFilter">H5Pget_filter</a> <li><a href="#Property-GetFilterById">H5Pget_filter_by_id</a> @@ -572,13 +574,13 @@ See further notes in the description of each function. <li><a href="#Property-SetDxplMulti">H5Pset_dxpl_multi</a> <li><a href="#Property-SetEdcCheck">H5Pset_edc_check</a> <li><a href="#Property-SetExternal">H5Pset_external</a> - </ul> + </ul> </td> <td> </td> <td valign="top"> - <ul> + <ul> <li><a href="#Property-SetFamilyOffset">H5Pset_family_offset</a> <li><a href="#Property-SetFaplCore">H5Pset_fapl_core</a> <li><a href="#Property-SetFaplFamily">H5Pset_fapl_family</a> @@ -614,7 +616,7 @@ See further notes in the description of each function. <li><a href="#Property-SetUserblock">H5Pset_userblock</a> <li><a href="#Property-SetVLMemManager">H5Pset_vlen_mem_manager</a> <li><a href="#Property-Unregister">H5Punregister</a> - </ul> + </ul> <br><br> || <i>Available only in the parallel HDF5 library.</i> </td> @@ -2310,6 +2312,69 @@ END SUBROUTINE h5pget_class_parent_f </dl> <!-- NEW PAGE --> +<!-- HEADER RIGHT "H5Pget_data_transform" --> +<hr> +<dl> + <dt><strong>Name:</strong> <a name="Property-GetDataTransform">H5Pget_data_transform</a> + <dt><strong>Signature:</strong> + <dd><em>ssize_t</em> <code>H5Pget_data_transform</code> + (<em>hid_t</em> <code>plist_id</code>, + <em>char</em> *<code>expression</code>, + <em>size_t</em> <code>size</code>) + <dt><strong>Purpose:</strong> + <dd>Retrieves a data transform expression. + <dt><strong>Description:</strong> + <dd><code>H5Pget_data_transform</code> retrieves the data + transform expression previously set in the dataset transfer + property list plist_id by <code>H5Pset_data_transform</code>. + <p><code>H5Pget_data_transform</code> can be used to both + retrieve the transform expression and to query its size. + <p> + If <code>expression</code> is non-NULL, up to <code>size</code> + bytes of the data transform expression are written to the buffer. + If <code>expression</code> is NULL, <code>size</code> is ignored + and the function does not write anything to the buffer. + The function always returns the size of the data transform expression. + <p> + If <code>0</code> is returned for the size of the expression, + no data transform expression exists for the property list. + <p> + If an error occurs, the buffer pointed to by <code>expression</code> + is unchanged and the function returns a negative value. + <dt><strong>Parameters:</strong> + <ul><table> + <tr> + <td valign="top"><em>hid_t</em> <code>plist_id</code></td> + <td valign="top">IN: Identifier of the property list or class</td></tr> + <tr> + <td valign="top"><em>char</em> *<code>expression </code></td> + <td valign="top">OUT: Pointer to memory where the transform + expression will be copied</td></tr> + <tr> + <td valign="top"><em>size_t</em> <code>size</code></td> + <td valign="top">IN: Number of bytes of the transform expression + to copy to</td></tr> + </table></ul> + <dt><strong>Returns:</strong> + <dd>Success: size of the transform expression. + <dd>Failure: a negative value. + <dt><strong>Fortran90 Interface:</strong> + <dd>None. +<!-- + <pre> +SUBROUTINE + </pre> +--> + + <!--<dt><strong>Non-C API(s):</strong> + <dd> + + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> +</dl> + +<!-- NEW PAGE --> <!-- HEADER RIGHT "H5Pget_driver" --> <hr> <dl> @@ -6153,6 +6218,69 @@ END SUBROUTINE h5pset_chunk_f </dl> <!-- NEW PAGE --> +<!-- HEADER RIGHT "H5Pset_data_transform" --> +<hr> +<dl> + <dt><strong>Name:</strong> <a name="Property-SetDataTransform">H5Pset_data_transform</a> + <dt><strong>Signature:</strong> + <dd><em>herr_t</em> <code>H5Pset_data_transform</code> + (<em>hid_t</em> <code>plist_id</code>, + <em>const char</em> *<code>expression</code>) + <dt><strong>Purpose:</strong> + <dd>Sets a data transform expression. + <dt><strong>Description:</strong> + <dd><code>H5Pset_data_transform</code> sets the data transform to + be used for reading and writing data. + This function operates on the dataset transfer property lists + plist_id. + <p> + The expression parameter is a string containing an algebraic + expression, such as <code>(5/9.0)*(x-32)</code> + or <code>x*(x-5)</code>. + When a dataset is read or written with this property list, + the transform expression is applied with the <code>x</code> + being replaced by the values in the dataset. + When reading data, the values in the file are not changed + and the transformed data is returned to the user. + <p> + Data transforms can only be applied to integer or floating-point + datasets. Order of operations is obeyed and the only supported + operations are +, -, *, and /. Parentheses can be nested arbitrarily + and can be used to change precedence. + <p> + When writing data back to the dataset, the transformed data is + written to the file and there is no way to recover the original + values to which the transform was applied. + <dt><strong>Parameters:</strong> + <ul><table> + <tr> + <td valign="top"><em>hid_t</em> <code>plist_id</code></td> + <td valign="top">IN: Identifier of the property list or class</td></tr> + <tr> + <td valign="top"><em>const char</em> *<code>expression </code></td> + <td valign="top">IN: Pointer to the null-terminated data transform expression + </td></tr> + </table></ul> + <dt><strong>Returns:</strong> + <dd>Success: a non-negative value + <dd>Failure: a negative value + <dt><strong>Fortran90 Interface:</strong> + <dd>None. +<!-- + <pre> +SUBROUTINE + </pre> +--> + + <!--<dt><strong>Non-C API(s):</strong> + <dd> + + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> +</dl> + +<!-- NEW PAGE --> <!-- HEADER RIGHT "H5Pset_deflate" --> <hr> <dl> @@ -9534,220 +9662,6 @@ END SUBROUTINE h5punregister_f </dl> -<!-- - -<hr> -<dl> - <dt><strong>Name:</strong> <a name="Property-SetCompression">H5Pset_compression</a> - <dt><strong>Signature:</strong> - <dd><em>herr_t</em> <code>H5Pset_compression</code>(<em>hid_t</em> <code>plist</code>, - <em>H5Z_method_t</em> <code>method</code>, - <em>unsigned int</em> <code>flags</code>, - <em>size_t</em> <code>cd_size</code>, - <em>const void</em> <code>*client_data</code> - ) - <dt><strong>Purpose:</strong> - <dd>Sets compression method. - <dt><strong>Description:</strong> - <dd><code>H5Pset_compression</code> sets the compression method - in a dataset creation property list. This is a catch-all - function for defining compression methods - and is intended to be called from a wrapper such as - <code>H5Pset_deflate</code>. The dataset creation property - list <em>plist</em> is adjusted to use the specified - compression method. The <em>flags</em> is an 8-bit vector - which is stored in the file as part of the compression message - and passed to the compress and uncompress functions. The - <em>client_data</em> is a byte array of length - <em>cd_size</em> which is copied to the file and passed to the - compress and uncompress methods. - <p> - The FLAGS, CD_SIZE, and CLIENT_DATA are copied to the - property list and eventually to the file and passed to the - compression functions. - <p> - 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. - <dt><strong>Parameters:</strong> - <dl> - <dt><em>hid_t</em> <code>plist</code> - <dd>IN: Identifier for the dataset creation property list. - <dt><em>H5Z_method_t</em> <code>method</code> - <dd>IN: Compression method, an integer from 16 to 225. - <dt><em>unsigned int</em> <code>flags</code> - <dd>IN: Compression flags. - <dt><em>size_t</em> <code>cd_size</code> - <dd>IN: Size of the byte array <code>client_data</code>. - <dt><em>const void</em> <code>*client_data</code> - <dd>IN: Client data byte array passed to the compression method. - </dl> - <dt><strong>Returns:</strong> - <dd>Returns a non-negative value if successful; - otherwise returns a negative value. - <dt><strong>Non-C API(s):</strong> - <dd><a href="fortran/h5p_FORTRAN.html#h5pxxx" - target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> - <img src="Graphics/Java.gif"> - <img src="Graphics/C++.gif"> -</dl> - ---> - - -<!-- - -<hr> -<dl> - <dt><strong>Name:</strong> <a name="Property-GetCompression">H5Pget_compression</a> - <dt><strong>Signature:</strong> - <dd><em>H5Z_method_t</em> <code>H5Pget_compression</code>(<em>hid_t</em> <code>plist</code>, - <em>unsigned int</em> <code>*flags</code>, - <em>size_t</em> <code>*cd_size</code>, - <em>void</em> <code>*client_data</code> - ) - <dt><strong>Purpose:</strong> - <dd>Gets compression method. - <dt><strong>Description:</strong> - <dd><code>H5Pget_compression</code> gets the compression method - information from a dataset creation property list. - The <code>client_data</code> buffer is initially - <code>cd_size</code> bytes. On return, <code>client_data</code> - will be initialized with at most that many bytes, and - <code>cd_size</code> will contain the actual size of the - client data, which might be larger than its original value. - <dt><strong>Parameters:</strong> - <dl> - <dt><em>hid_t</em> <code>plist</code> - <dd>IN: Identifier for the dataset creation property list. - <dt><em>unsigned int</em> <code>*flags</code> - <dd>OUT: Compression flags. - <dt><em>size_t</em> <code>*cd_size</code> - <dd>IN/OUT: Size of the <code>client_data</code> array. - <dt><em>void</em> <code>*client_data</code> - <dd>OUT: Byte array for the client data. - </dl> - <dt><strong>Returns:</strong> - <dd>Returns compression method if successful; - otherwise returns a negative value. - <dt><strong>Non-C API(s):</strong> - <dd><a href="fortran/h5p_FORTRAN.html#h5pxxx" - target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> - <img src="Graphics/Java.gif"> - <img src="Graphics/C++.gif"> -</dl> - ---> - - -<!-- - -<hr> -<dl> - <dt><strong>Name:</strong> <a name="Property-GetDeflate">H5Pget_deflate</a> - <dt><strong>Signature:</strong> - <dd><em>int</em> <code>H5Pget_deflate</code>(<em>hid_t</em> <code>plist</code> - ) - <dt><strong>Purpose:</strong> - <dd>Returns the deflate compression level from a dataset creation - property list. - <dt><strong>Description:</strong> - <dd><code>H5Pget_deflate</code> returns the deflate compression level - from a dataset creation property list that uses that method. - <dt><strong>Parameters:</strong> - <dl> - <dt><em>hid_t</em> <code>plist</code> - <dd>IN: Identifier for the dataset creation property list. - </dl> - <dt><strong>Returns:</strong> - <dd>Returns compression level, a value between 0 and 9, if successful. - Otherwise returns a negative value. - <dt><strong>Non-C API(s):</strong> - <dd><a href="fortran/h5p_FORTRAN.html#h5pxxx" - target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> - <img src="Graphics/Java.gif"> - <img src="Graphics/C++.gif"> -</dl> - ---> - - -<!-- ***** TEMPLATE ***** - -<hr> -<dl> - <dt><strong>Name:</strong> <a name="Property-SGetFaplxxx">H5Psget_fapl_xxx</a> - <dt><strong>Signature:</strong> - <dd><em>xxx</em> <code>H5Psget_fapl_xxx</code>( - <em>xxx</em> <code>xxx</code>, - <em>xxx</em> <code>xxx</code>, - <em>xxx</em> <code>xxx</code> - ) - <dt><strong>Purpose:</strong> - <dd> - <dt><strong>Description:</strong> - <dd><code>H5Psget_fapl_xxx</code> - - <dt><strong>Parameters:</strong> - <dl> - <dt><em>xxx</em> <code>xxx</code> - <dd>IN: - <dd>OUT: - </dl> - <dt><strong>Returns:</strong> - <dd>Returns a non-negative value if successful. - Otherwise returns a negative value. ---> -<!-- - <dt><strong>Non-C API(s):</strong> - <dd><a href="fortran/h5p_FORTRAN.html#h5pxxx_f" - target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> - --> -<!-- - <img src="Graphics/Java.gif"> - <img src="Graphics/C++.gif"> - --> -<!-- -</dl> ---> -<!-- ***** TEMPLATE ***** - -<hr> -<dl> - <dt><strong>Name:</strong> <a name="Property-xxx">xxx</a> - <dt><strong>Signature:</strong> - <dd><em>xxx</em> <code>xxx</code>( - <em>xxx</em> <code>xxx</code>, - <em>xxx</em> <code>xxx</code>, - <em>xxx</em> <code>xxx</code> - ) - <dt><strong>Purpose:</strong> - <dd> - <dt><strong>Description:</strong> - <dd><code>xxx</code> - - <dt><strong>Parameters:</strong> - <dl> - <dt><em>xxx</em> <code>xxx</code> - <dd>IN: - <dd>OUT: - </dl> - <dt><strong>Returns:</strong> - <dd>Returns xxx if successful. - Otherwise returns xxx. ---> -<!-- - <dt><strong>Non-C API(s):</strong> - <dd><a href="fortran/h5p_FORTRAN.html#h5pxxx_f" - target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> - --> -<!-- - <img src="Graphics/Java.gif"> - <img src="Graphics/C++.gif"> - --> -<!-- -</dl> ---> <!-- #BeginLibraryItem "/ed_libs/NavBar_RM.lbi" --><hr> @@ -9789,7 +9703,7 @@ And in this document, the Describes HDF5 Release 1.7, the unreleased development branch; working toward HDF5 Release 1.8.0 </address><!-- #EndLibraryItem --><SCRIPT LANGUAGE="JAVASCRIPT"> <!-- -document.writeln("Last modified: 7 October 2004"); +document.writeln("Last modified: 19 November 2004"); --> </SCRIPT> |