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+ − 11 <title>Introducing LTPDA Objects (LTPDA Toolbox)</title>
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+ − 14 <meta name="description" content=
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+ − 15 "Presents an overview of the features, system requirements, and starting the toolbox.">
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+ − 16 </head>
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+ − 19 <a name="top_of_page" id="top_of_page"></a>
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+ − 21 <p style="font-size:1px;"> </p>
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+ − 23 <table class="nav" summary="Navigation aid" border="0" width=
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+ − 25 <tr>
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+ − 26 <td valign="baseline"><b>LTPDA Toolbox</b></td><td><a href="../helptoc.html">contents</a></td>
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+ − 29 "userguide.html"><img src="b_prev.gif" border="0" align=
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+ − 31 "object_types.html"><img src="b_next.gif" border="0" align=
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+ − 32 "bottom" alt="Types of User Objects"></a></td>
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+ − 33 </tr>
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+ − 34 </table>
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+ − 36 <h1 class="title"><a name="f3-12899" id="f3-12899"></a>Introducing LTPDA Objects</h1>
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+ − 37 <hr>
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+ − 39 <p>
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+ − 40 <p>
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+ − 41 The LTPDA toolbox is object oriented and as such, extends the MATLAB object types to many others. All data processing is
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+ − 42 done using objects and methods of those classes.
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+ − 43 </p>
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+ − 44 <p>
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+ − 45 For full details of objects in MATLAB, refer to <a href="matlab:web(['jar:file:///' matlabroot '/help/techdoc/help.jar!/matlab_oop/ug_intropage.html'])">MATLAB Classes and Object-Oriented Programming</a>.
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+ − 46 </p>
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+ − 47 <a name="classes" id= "classes"><h3 class="title">LTPDA Classes</h3></a>
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+ − 49 <p>
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+ − 50 Various classes make up the object-oriented infrastructure of LTPDA. The figure below shows all the classes in LTPDA.
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+ − 51 All classes are derived from the base class, <tt>ltpda_obj</tt>. The classes then fall into two main types deriving
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+ − 52 from the classes <tt>ltpda_nuo</tt> and <tt>ltpda_uo</tt>.
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+ − 53 </p>
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+ − 54 <br>
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+ − 55 <img src="images/objects_class_diagram.png" alt="LTPDA classes">
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+ − 56 <br>
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+ − 57 <p>
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+ − 58 The left branch, <tt>ltpda_nuo</tt>, are termed 'non-user objects'. These
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+ − 59 objects are not typically accessed or created by users. The right branch, <tt>ltpda_uo</tt>, are termed 'user objects'.
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+ − 60 These objects have a 'name' and a 'history' property which means that their processing history is tracked through all
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+ − 61 LTPDA algorithms. In addition, these 'user objects' can be saved to disk or to an LTPDA repository.
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+ − 62 </p>
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+ − 63 <p>
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+ − 64 The objects drawn in green are expected to be created by users in scripts or on the LTPDA GUI.
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+ − 65 </p>
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+ − 67
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+ − 68 <p>Details of each class are given in:</p>
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+ − 71 <tr valign="top">
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+ − 72 <td><a href="class_desc_ao.html">analysis object class</a></td>
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+ − 78 <td><a href="class_desc_rational.html">rational class</a></td>
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+ − 136 </tr>
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+ − 137 </table>
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+ − 139 </p>
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+ − 148 "User Guide"></a> </td>
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+ − 150 <td align="left">User Guide</td>
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+ − 152 <td> </td>
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+ − 154 <td align="right">Types of User Objects</td>
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+ − 157 "object_types.html"><img src="b_next.gif" border="0" align=
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+ − 158 "bottom" alt="Types of User Objects"></a></td>
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+ − 159 </tr>
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+ − 160 </table><br>
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+ − 162 <p class="copy">©LTP Team</p>
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+ − 163 </body>
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+ − 164 </html>