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author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 18:04:34 +0100
parents f0afece42f48
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<h2>Introduction</h2>


<p>
	The LTPDA package contains a sophisticated graphical programming interface which allows the user to construct and execute 
	data analysis pipelines entirely graphically.
</p>

  <img src="images/model_1.png" alt="A LTP Analysis in Simulink" border="1">
  <br>
  <br>
  <br>
  <br>
<p>
	The Simulink drawing interface is used to construct the analysis pipelines. The blocks that compose the analysis
	pipelines are drawn from the LTPDA blockset. The LTPDA Analysis GUI then executes the commands represented by each
	block in the appropriate order in order to achieve the desired analysis pipeline.
    <br><br>
    To start the LTPDA GUI use the command <tt>ltpdagui</tt> .
    
  <div class="fragment"><pre>
      >> ltpdagui
  </pre></div>  
    <br>
    If there's no open LTPDA GUI window, the user will be asked to log in:<br><br>
    <img src="images/login.png" alt="A simple analysis" border="1"><br><br>
    These data are not mandatory, as long as the user do not want to connect to a LTPDA Repository, for example to retrieve previous
    analyses or to send in his own work. If the user just wants to use the software to compile trials or personal analyses, not meant to
    be shared with others, he can leave these fields empty: the GUI will identify him as anonymous ('<tt>JohnDoe</tt>'), and this name
    will be stored into every produced model.<br>
    On the contrary, if the GUI has to produce shared results, i.e. if the user want to submit/retrieve from an LTPDA Repository,
    these login and password are those necessary to access the repository database. The user must possess a valid account, which
    can be requested to the database administrator.<br>
    The username will be used also to ensure better traceability, storing the name itself into a short description created using
    the LTPDA GUI.<br><br>
    However, it's possible at anytime to log off and re-log in, using different data, so it will be possible to type in valid
    credentials to access a repository only when needed.
    <br><br><br>
    
    <hr>
    The first appearance of the GUI is:<br><br>
    <img src="images/ltpdagui_1.png" alt="A simple analysis" border="1">
    <br><br>
    The upper part of the window lists all the possible panels: clicking on the corresponding tab the proper panel
    will be drawn below.<br><br>
    The help associated to each panel will be dealt into different pages.
    <br><br><br>
    
</p>