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diff --git a/doc/html/Tutor/answers.html b/doc/html/Tutor/answers.html deleted file mode 100644 index e0cd15e..0000000 --- a/doc/html/Tutor/answers.html +++ /dev/null @@ -1,322 +0,0 @@ -<HTML><HEAD> -<TITLE>HDF5 Tutorial - Introductory Topics Quiz with Answers -</TITLE> -</HEAD> - -<body bgcolor="#ffffff"> - -<!-- BEGIN MAIN BODY --> - - - [ <A HREF="title.html"><I>HDF5 Tutorial Top</I></A> ] -<H1> -<FONT COLOR="#c101cd">Introductory Topics Quiz - with Answers</FONT> -</H1> - -<hr noshade size=1> - - -<h3>Section 2: HDF File Organization</h3> -<ol> - -<li>Name and describe the two primary objects that can be stored in an HDF5 - file. - - <dl> - <dt><b>Answers:</b> - <dd><em>Group:</em> A grouping structure containing zero or more - HDF5 objects, together with supporting metadata. - <dd><em>Dataset:</em> A multidimensional array of data elements, - together with supporting metadata. - </dl> - -<p> -<li>What is an attribute? - - <dl> - <dt><b>Answer:</b> - <dd>An HDF5 attribute is a user-defined HDF5 structure that provides extra - information about an HDF5 object. - </dl> - -<p> -<li>Give the path name for an object called <code>harry</code> that is - a member of a group called <code>dick</code>, which, in turn, is a - member of the root group. - - <dl> - <dt><b>Answer:</b> - <dd><code>/dick/harry</code> - </dl> - - -</ol> -<h3>Section 3: The HDF5 API</h3> -<ol> - -<li>Describe the purpose of each of the following HDF5 APIs: - - <dir> - H5A, H5D, H5E, H5F, H5G, H5T, H5Z - </dir> - - <dl> - <dt><b>Answers:</b> - <dir> - H5A: Attribute access and manipulation routines <br> - H5D: Dataset access and manipulation routines <br> - H5E: Error handling routines <br> - H5F: File access routines <br> - H5G: Routines for creating and operating on groups <br> - H5T: Routines for creating and manipulating the - datatypes of dataset elements <br> - H5Z: Data compression routines - </dir> - </dl> - - -</ol> -<h3>Section 4: Creating an HDF5 File</h3> -<ol> - -<li>What two HDF5 routines must be called to create an HDF5 file? - - <dl> - <dt><b>Answer:</b> - <dd><code>H5Fcreate</code> and <code>H5Fclose</code>. - </dl> - -<p> -<li>What include file must be included in any file that uses the HDF5 library? - - <dl> - <dt><b>Answer:</b> - <dd><code>hdf5.h</code> must be included because it contains definitions - and declarations used by the library. - </dl> - -<p> -<li>An HDF5 file is never completely empty because as soon as it is created, - it automatically contains a certain primary object. What is that object? - - <dl> - <dt><b>Answer:</b> - <dd>The root group. - </dl> - - -</ol> -<h3>Section 5: Creating a Dataset</h3> -<ol> - -<li>Name and describe two major datatype categories. - - <dl> - <dt><b>Answers:</b> - <dd><em>Atomic datatype:</em> - An atomic datatype cannot be decomposed into smaller units at the - API level. - <br> - <em>Compound datatype:</em> - A compound datatype is a collection of atomic and compound datatypes, - or small arrays of such types. - </dl> - -<p> -<li>List the HDF5 atomic datatypes. Give an example of a predefined datatype. - - <dl> - <dt><b>Answers:</b> - <dd>There are six HDF5 atomic datatypes: integer, floating point, - date and time, character string, bit field, and opaque. - Examples of predefined datatypes include the following: - <dir> - <code>H5T_IEEE_F32LE</code> - - 4-byte little-endian, IEEE floating point <br> - <code>H5T_NATIVE_INT</code> - - native integer - </dir> - </dl> - -<p> -<li>What does the dataspace describe? What are the major characteristics of - the simple dataspace? - - <dl> - <dt><b>Answers:</b> - <dd>The dataspace describes the dimensionality of the dataset. - A simple dataspace is characterized by its rank and dimension sizes. - </dl> - -<p> -<li>What information needs to be passed to the H5Dcreate function, i.e., - what information is needed to describe a dataset at creation time? - - <dl> - <dt><b>Answer:</b> - <dd>The dataset location, name, dataspace, datatype, and dataset - creation property list. - </dl> - - -</ol> -<h3>Section 6: Reading from and Writing to a Dataset</h3> -<ol> - -<li>What are six pieces of information which need to be specified for - reading and writing a dataset? - - <dl> - <dt><b>Answer:</b> - <dd>The dataset identifier, the dataset's datatype and dataspace in - memory, the dataspace in the file, the dataset transfer property - list, and a data buffer. - </dl> - -<p> -<li>Why are both the memory dataspace and file dataspace needed for - read/write operations, while only the memory datatype is required? - - <dl> - <dt><b>Answer:</b> - <dd>A dataset's file datatype is not required for a read/write operation - because the file datatype is specified when the dataset is created - and cannot be changed. Both file and memory dataspaces are required - for dataset subsetting and for performing partial I/O operations. - </dl> - -<p> -<li>What does the line - <br> - <code>DATASPACE { SIMPLE (4 , 6 ) / ( 4 , 6 ) } </code> - <br>in Figure 6.1 mean? - - <dl> - <dt><b>Answer:</b> - <dd>It means that the dataset <code>dset</code> has a simple dataspace - with the current dimensions (4,6) and the maximum size of the - dimensions (4,6). - </dl> - - -</ol> -<h3>Section 7: Creating an Attribute</h3> -<ol> - -<li>What is an attribute? - - <dl> - <dt><b>Answer:</b> - <dd>An attribute is a dataset attached to an object. It describes the - nature and/or the intended usage of the object. - </dl> - -<p> -<li>Can partial I/O operations be performed on attributes? - - <dl> - <dt><b>Answer:</b> - <dd>No. - </dl> - - -</ol> -<h3>Section 8: Creating a Group</h3> -<ol> - -<li>What are the two primary objects that can be included in a group? - - <dl> - <dt><b>Answer:</b> - <dd>A group and a dataset. - </dl> - - -</ol> -<h3>Section 9: Creating Groups Using Absolute and Relative Names</h3> -<ol> - -<li>Group names can be specified in two ways. What are these two types - of group names? - - <dl> - <dt><b>Answer:</b> - <dd>Relative and absolute. - </dl> - -<p> -<li>You have a dataset named <code>moo</code> in the group - <code>boo</code>, which is in the group <code>foo</code>, - which, in turn, is in the root group. - How would you specify an absolute name to access this dataset? - - <dl> - <dt><b>Answer:</b> - <dd><code>/foo/boo/moo</code> - </dl> - - -</ol> -<h3>Section 10: Creating Datasets in Groups</h3> -<ol> - -<li>Describe a way to access the dataset <code>moo</code> described in - the previous section (Section 9, question 2) using a - relative name. - Describe a way to access the same dataset using an absolute name. - - <dl> - <dt><b>Answers:</b> - <ol> - <li>Access the group <code>/foo</code> and get the group ID. - Access the group <code>boo</code> using the group ID obtained - in Step 1. - Access the dataset <code>moo</code> using the group ID obtained - in Step 2. - <pre> -gid = H5Gopen (file_id, "/foo", 0); /* absolute path */ -gid1 = H5Gopen (gid, "boo", 0); /* relative path */ -did = H5Dopen (gid1, "moo"); /* relative path */ </pre> - - <li>Access the group <code>/foo</code> and get the group ID. - Access the dataset <code>boo/moo</code> with the group ID - just obtained. - <pre> -gid = H5Gopen (file_id, "/foo", 0); /* absolute path */ -did = H5Dopen (gid, "boo/moo"); /* relative path */ </pre> - - <li>Access the dataset with an absolute path. - <pre> -did = H5Dopen (file_id, "/foo/boo/moo"); /* absolute path */ </pre> - </ol> - </dl> - -</ol> - -<!-- BEGIN FOOTER INFO --> - -<P><hr noshade size=1> -<font face="arial,helvetica" size="-1"> - <a href="http://www.ncsa.uiuc.edu/"><img border=0 - src="footer-ncsalogo.gif" - width=78 height=27 alt="NCSA"><br> - The National Center for Supercomputing Applications</A><br> - <a href="http://www.uiuc.edu/">University of Illinois - at Urbana-Champaign</a><br> - <br> -<!-- <A HREF="helpdesk.mail.html"> --> -<A HREF="mailto:hdfhelp@ncsa.uiuc.edu"> -hdfhelp@ncsa.uiuc.edu</A> -<br> -<BR> <H6>Last Modified: June 22, 2001</H6><BR> -<!-- modified by Barbara Jones - bljones@ncsa.uiuc.edu --> -</FONT> -<BR> -<!-- <A HREF="mailto:hdfhelp@ncsa.uiuc.edu"> --> - -</BODY> -</HTML> - - - |