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author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 18:04:34 +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>Saving and loading AOs (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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17
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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 "ltpda_training_topic_1_4.html"><img src="b_prev.gif" border="0" align=
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30 "bottom" alt="Basic math with AOs"></a>&nbsp;&nbsp;&nbsp;<a href=
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31 "ltpda_training_topic_1_6.html"><img src="b_next.gif" border="0" align=
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32 "bottom" alt="Constructing AOs from data files"></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>Saving and loading AOs</h1>
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37 <hr>
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38
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39 <p>
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40 <p>
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41 Having made all these nice AOs, you will be keen to save them to disk. You'll
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42 be delighted to hear that this is easy.
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43 </p>
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44 <p>
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45 To file formats are supported by LTPDA: the MATLAB binary MAT format, and
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46 an XML file format. The choice is made by the file extension.
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47 </p>
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48 <div class="fragment"><pre>
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49 save(a1, <span class="string">'foo.xml'</span>);
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50 save(a1, <span class="string">'foo.mat'</span>);
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51 </pre></div>
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52 <p>
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53 To load the files again, you use the AO constructor:
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54 </p>
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55 <div class="fragment"><pre>
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56 a1 = ao(<span class="string">'foo.xml'</span>);
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57 a2 = ao(<span class="string">'foo.mat'</span>);
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58 </pre></div>
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59 <p>
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60 That's all there is to it.
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61 </p>
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62 <p>
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63 To load files on the workbench, you use the relevant constructor block. For example, to load
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64 an AO XML file from disk, use the <tt>ao</tt> constructor with the parameter set "From XML File"
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65 (or "From MAT File" to load from a MAT file). This parameter set has one default parameter: <tt>FILENAME</tt>.
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66 If you double click the cell corresponding to the parameter value you will be presented with a 'load file' dialog
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67 from which you can choose the file to load.
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68 </p>
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69 <p>
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70 To save files from within the workbench, use the <tt>save</tt> block. The parameter list and key is the same.
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71 The only difference will be you will be presented with a 'save file' dialog box when editing the parameter value.
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72 </p>
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73 <p>
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74 The following pipeline shows the load and save in action:
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75 </p>
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76 <img src="images/ltpda_training_1/topic1/load_save_eg.png" alt="Load/Save example" border="1">
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77
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78 </p>
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79
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80 <br>
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81 <br>
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82 <table class="nav" summary="Navigation aid" border="0" width=
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83 "100%" cellpadding="0" cellspacing="0">
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84 <tr valign="top">
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85 <td align="left" width="20"><a href="ltpda_training_topic_1_4.html"><img src=
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86 "b_prev.gif" border="0" align="bottom" alt=
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87 "Basic math with AOs"></a>&nbsp;</td>
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88
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89 <td align="left">Basic math with AOs</td>
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90
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91 <td>&nbsp;</td>
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92
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93 <td align="right">Constructing AOs from data files</td>
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94
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95 <td align="right" width="20"><a href=
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96 "ltpda_training_topic_1_6.html"><img src="b_next.gif" border="0" align=
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97 "bottom" alt="Constructing AOs from data files"></a></td>
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98 </tr>
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99 </table><br>
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100
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101 <p class="copy">&copy;LTP Team</p>
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102 </body>
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103 </html>