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author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 23 Nov 2011 19:22:13 +0100
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1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
2 "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
3
4 <html lang="en">
5 <head>
6 <meta name="generator" content=
7 "HTML Tidy for Mac OS X (vers 1st December 2004), see www.w3.org">
8 <meta http-equiv="Content-Type" content=
9 "text/html; charset=us-ascii">
10
11 <title>Analysis Objects (LTPDA Toolbox)</title>
12 <link rel="stylesheet" href="docstyle.css" type="text/css">
13 <meta name="generator" content="DocBook XSL Stylesheets V1.52.2">
14 <meta name="description" content=
15 "Presents an overview of the features, system requirements, and starting the toolbox.">
16 </head>
17
18 <body>
19 <a name="top_of_page" id="top_of_page"></a>
20
21 <p style="font-size:1px;">&nbsp;</p>
22
23 <table class="nav" summary="Navigation aid" border="0" width=
24 "100%" cellpadding="0" cellspacing="0">
25 <tr>
26 <td valign="baseline"><b>LTPDA Toolbox</b></td><td><a href="../helptoc.html">contents</a></td>
27
28 <td valign="baseline" align="right"><a href=
29 "objects_working.html"><img src="b_prev.gif" border="0" align=
30 "bottom" alt="Working with LTPDA objects"></a>&nbsp;&nbsp;&nbsp;<a href=
31 "ao_create.html"><img src="b_next.gif" border="0" align=
32 "bottom" alt="Creating Analysis Objects"></a></td>
33 </tr>
34 </table>
35
36 <h1 class="title"><a name="f3-12899" id="f3-12899"></a>Analysis Objects</h1>
37 <hr>
38
39 <p>
40
41 <p>Based on the requirement that all results produced by the LTP Data Analysis software must be
42 easily reproducible as well as fully traceable, the idea of implementing analysis objects (AO) as
43 they are described in S2-AEI-TN-3037 arose.</p>
44
45 <p>An analysis object contains all information necessary to be able to reproduce a given result. For
46 example
47 <ul>
48 <li>which raw data was involved (date, channel, time segment, time of retrieval if data can be
49 changed later by new downlinks)</li>
50 <li>all operations performed on the data</li>
51 <li>the above for all channels of a multi-channel plot</li>
52 </ul>
53 </p>
54 <p>The AO will therefore hold
55 <ul>
56 <li>the numerical data belonging to the result</li>
57 <li>the full processing history needed to reproduce the numerical result</li>
58 </ul>
59 </p>
60
61 <p>The majority of algorithms in the LTPDA Toolbox will operate on AOs only (these are always methods
62 of the AO class) but there are also utility functions which do not take AOs as inputs, as well as methods
63 of other classes. Functions in the toolbox are designed to be as simple and elementary as
64 possible. </p>
65
66
67
68 </p>
69
70 <br>
71 <br>
72 <table class="nav" summary="Navigation aid" border="0" width=
73 "100%" cellpadding="0" cellspacing="0">
74 <tr valign="top">
75 <td align="left" width="20"><a href="objects_working.html"><img src=
76 "b_prev.gif" border="0" align="bottom" alt=
77 "Working with LTPDA objects"></a>&nbsp;</td>
78
79 <td align="left">Working with LTPDA objects</td>
80
81 <td>&nbsp;</td>
82
83 <td align="right">Creating Analysis Objects</td>
84
85 <td align="right" width="20"><a href=
86 "ao_create.html"><img src="b_next.gif" border="0" align=
87 "bottom" alt="Creating Analysis Objects"></a></td>
88 </tr>
89 </table><br>
90
91 <p class="copy">&copy;LTP Team</p>
92 </body>
93 </html>