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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>Connecting blocks (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 "lwb_blockProps.html"><img src="b_prev.gif" border="0" align=
30 "bottom" alt="Setting block properties and parameters"></a>&nbsp;&nbsp;&nbsp;<a href=
31 "lwb_subsystems.html"><img src="b_next.gif" border="0" align=
32 "bottom" alt="Creating subsystems"></a></td>
33 </tr>
34 </table>
35
36 <h1 class="title"><a name="f3-12899" id="f3-12899"></a>Connecting blocks</h1>
37 <hr>
38
39 <p>
40 <p>
41 Blocks of type "LTPDA Block" (MBlock), "Subsystem Block" (MSubsystem), "MATLAB Expression Block" (MATBlock),
42 "Terminal Block" (MTerminal) all have input ports or output ports, or both.
43 </p>
44 <p>
45 These ports are connected together with "pipes" (MPipe is the underlying java class). Output ports
46 can have more than one pipe connected; input ports can have only one pipe at a time. The binding object
47 between a port and pipe is a "node" (MNode is the underlying java class). Nodes are displayed as small
48 black circles.
49 </p>
50 <br>
51 <br>
52 <img src="images/block_connections.png" alt="Block Connections" border="3">
53 <br>
54 <br>
55 </p>
56 <p>
57 To connect these blocks together, do one of the following:
58 </p>
59 <il>
60 <li> Click and drag from one port to another.</li>
61 <li> Click and drag from one output node to an input port.</li>
62 <li> Click and drag from one output port to a block. Connection is made to the first free input (if there is one).</li>
63 <li> Click and drag from one output node to a block. Connection is made to the first free input (if there is one).</li>
64 <li> Select a source block, then ctrl-left-click a destination block to join the two. There must be at least one free
65 input on the destination block. On the source block, the next free output is used, or the first output if no free
66 outputs are available.</li>
67 </il>
68
69
70 </p>
71
72 <br>
73 <br>
74 <table class="nav" summary="Navigation aid" border="0" width=
75 "100%" cellpadding="0" cellspacing="0">
76 <tr valign="top">
77 <td align="left" width="20"><a href="lwb_blockProps.html"><img src=
78 "b_prev.gif" border="0" align="bottom" alt=
79 "Setting block properties and parameters"></a>&nbsp;</td>
80
81 <td align="left">Setting block properties and parameters</td>
82
83 <td>&nbsp;</td>
84
85 <td align="right">Creating subsystems</td>
86
87 <td align="right" width="20"><a href=
88 "lwb_subsystems.html"><img src="b_next.gif" border="0" align=
89 "bottom" alt="Creating subsystems"></a></td>
90 </tr>
91 </table><br>
92
93 <p class="copy">&copy;LTP Team</p>
94 </body>
95 </html>