diff options
| -rw-r--r-- | doc/html/Datasets.html | 14 | ||||
| -rw-r--r-- | doc/html/H5.format.html | 8 |
2 files changed, 16 insertions, 6 deletions
diff --git a/doc/html/Datasets.html b/doc/html/Datasets.html index 4520172..e0b6058 100644 --- a/doc/html/Datasets.html +++ b/doc/html/Datasets.html @@ -169,11 +169,12 @@ </dl> </dl> + <a name="Dataset_PSetChunk"> <p>Once the general layout is defined, the user can define + </a> properties of that layout. Currently, the only layout that has user-settable properties is the <code>H5D_CHUNKED</code> layout, which needs to know the dimensionality and chunk size. - <dl> <dt><code>herr_t H5Pset_chunk (hid_t <em>plist_id</em>, int <em>ndims</em>, hsize_t <em>dim</em>[])</code> @@ -220,10 +221,12 @@ H5Pset_chunk (plist, 2, size); <h2>3. Compression Properties</h2> - <p>Some types of storage layout allow data compression which is - defined by the functions described here. <b>Compression is not - implemented yet.</b> + <p>Chunked data storage + (see <a href="#Dataset_PSetChunk"><code>H5Pset_chunk</code></a>) + allows data compression as defined by the function + <code>H5Pset_deflate</code>. +<!-- <dl> <dt><code>herr_t H5Pset_compression (hid_t <em>plist_id</em>, H5Z_method_t <em>method</em>)</code> @@ -246,6 +249,7 @@ H5Pset_chunk (plist, 2, size); (LZ77) encoding is used, the same encoding used by the free GNU <code>gzip</code> program. </dl> +--> <br><br> <dt><code>herr_t H5Pset_deflate (hid_t <em>plist_id</em>, @@ -721,7 +725,7 @@ H5Pset_external (plist, "scan3.data", 0, 16); 26 chunk_size[0] = chunk_size[1] = 100; 27 properties = H5Pcreate (H5P_DATASET_CREATE); 28 H5Pset_chunk (properties, 2, chunk_size); -29 H5Pset_compression (properties, H5D_COMPRESS_LZ77); +29 H5Pset_deflate (properties, 9); 30 31 /* 32 * Create a new dataset within the file. The datatype diff --git a/doc/html/H5.format.html b/doc/html/H5.format.html index 8c0d8b2..96dd339 100644 --- a/doc/html/H5.format.html +++ b/doc/html/H5.format.html @@ -598,7 +598,13 @@ Elena> "Free-space object" ASCII. For example, the various versions of the <em>family driver</em> will be identified by <code>NCSAfami</code>, <code>NCSAfam0</code>, - <code>NCSAfam1</code>, etc. Identification for user-defined drivers + <code>NCSAfam1</code>, etc. + (<code>NCSAfami</code> is simply <code>NCSAfamily</code> truncated + to eight characters. Subsequent identifiers will be created by + substituting sequential numerical values for the final character, + starting with zero.) + <p> + Identification for user-defined drivers is arbitrary but should be unique.</td> </tr> |