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author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
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1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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2 "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
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3
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4 <html lang="en">
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5 <head>
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6 <meta name="generator" content=
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7 "HTML Tidy for Mac OS X (vers 1st December 2004), see www.w3.org">
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8 <meta http-equiv="Content-Type" content=
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9 "text/html; charset=us-ascii">
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10
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11 <title>Analysis Objects (LTPDA Toolbox)</title>
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12 <link rel="stylesheet" href="docstyle.css" type="text/css">
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13 <meta name="generator" content="DocBook XSL Stylesheets V1.52.2">
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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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18 <body>
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19 <a name="top_of_page" id="top_of_page"></a>
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20
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21 <p style="font-size:1px;">&nbsp;</p>
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22
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23 <table class="nav" summary="Navigation aid" border="0" width=
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24 "100%" cellpadding="0" cellspacing="0">
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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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27
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28 <td valign="baseline" align="right"><a href=
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29 "objects_working.html"><img src="b_prev.gif" border="0" align=
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30 "bottom" alt="Working with LTPDA objects"></a>&nbsp;&nbsp;&nbsp;<a href=
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31 "ao_create.html"><img src="b_next.gif" border="0" align=
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32 "bottom" alt="Creating Analysis Objects"></a></td>
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33 </tr>
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34 </table>
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35
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36 <h1 class="title"><a name="f3-12899" id="f3-12899"></a>Analysis Objects</h1>
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37 <hr>
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38
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39 <p>
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40
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41 <p>Based on the requirement that all results produced by the LTP Data Analysis software must be
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42 easily reproducible as well as fully traceable, the idea of implementing analysis objects (AO) as
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43 they are described in S2-AEI-TN-3037 arose.</p>
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44
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45 <p>An analysis object contains all information necessary to be able to reproduce a given result. For
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46 example
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47 <ul>
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48 <li>which raw data was involved (date, channel, time segment, time of retrieval if data can be
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49 changed later by new downlinks)</li>
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50 <li>all operations performed on the data</li>
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51 <li>the above for all channels of a multi-channel plot</li>
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52 </ul>
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53 </p>
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54 <p>The AO will therefore hold
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55 <ul>
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56 <li>the numerical data belonging to the result</li>
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57 <li>the full processing history needed to reproduce the numerical result</li>
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58 </ul>
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59 </p>
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60
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61 <p>The majority of algorithms in the LTPDA Toolbox will operate on AOs only (these are always methods
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62 of the AO class) but there are also utility functions which do not take AOs as inputs, as well as methods
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63 of other classes. Functions in the toolbox are designed to be as simple and elementary as
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64 possible. </p>
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65
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68 </p>
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69
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70 <br>
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71 <br>
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72 <table class="nav" summary="Navigation aid" border="0" width=
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73 "100%" cellpadding="0" cellspacing="0">
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74 <tr valign="top">
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75 <td align="left" width="20"><a href="objects_working.html"><img src=
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76 "b_prev.gif" border="0" align="bottom" alt=
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77 "Working with LTPDA objects"></a>&nbsp;</td>
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78
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79 <td align="left">Working with LTPDA objects</td>
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80
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81 <td>&nbsp;</td>
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82
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83 <td align="right">Creating Analysis Objects</td>
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84
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85 <td align="right" width="20"><a href=
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86 "ao_create.html"><img src="b_next.gif" border="0" align=
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87 "bottom" alt="Creating Analysis Objects"></a></td>
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88 </tr>
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89 </table><br>
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90
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91 <p class="copy">&copy;LTP Team</p>
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92 </body>
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93 </html>