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<TITLE>Tao User Manual -- Testing <B>Tao</B></TITLE>
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<H2>Testing <B>Tao</B></H2>
To test that everything is working once the installation is complete open
a new shell window. Change to the top level directory in the <B>Tao</B>
distribution copy the script <CODE>examples/test.tao</CODE> to your home
directory. This test script contains the following text although you don't
need to understand how it works for the moment.
<P><PRE>
Audio rate: 44100;
Circle c(800 Hz, 20 secs);
String strings[4]=
{
(800 Hz, 20 secs),
(810 Hz, 20 secs),
(820 Hz, 20 secs),
(830 Hz, 20 secs)
};
Rectangle r(800 Hz, 900 Hz, 20 secs);
Triangle t(800 Hz, 900 Hz, 20 secs);
Connector conn1, conn2, conn3, conn4;
Counter s;
Init:
For s = 0 to 3:
strings[s].lockEnds();
...
c.lockPerimeter();
r.lockCorners();
t.lockLeft().lockRight();
strings[0](0.1) -- conn1 -- strings[1](0.1);
strings[1](0.9) -- conn2 -- strings[2](0.9);
strings[2](0.1) -- conn3 -- strings[3](0.1);
r(0.6,0.2) -- conn4 -- 0.0;
r.placeRightOf(c,20);
t.placeAbove(r);
...
Score 20 secs:
At start for 0.1 msecs:
strings[0](0.1).applyForce(1.0);
strings[1](0.1).applyForce(1.0);
strings[2](0.1).applyForce(1.0);
strings[3](0.1).applyForce(1.0);
c(0.1,0.5).applyForce(10.0);
r(0.7,0.8).applyForce(10.0);
t(0.8,0.6).applyForce(10.0);
...
...
</PRE>
<P>Change directory in the shell window to your home directory and type:
<PRE>
tao test
</PRE>
<P>If everything is working OK <B>Tao</B> should respond firstly by printing
the following messages in the shell window:
<P><PRE>
========================================
| Tao (c) 1996-99 Mark Pearson |
| Sound Synthesis with Physical Models |
========================================
Processing test.tao
Making test.exe
Executing test.exe
Sample rate=44100 KHz
Score duration=1 seconds
</PRE>
<P>It should then open a window like the one shown in figure <A HREF="#2">*</A>.
This is <B>Tao</B>'s <EM>instrument visualisation window</EM><A NAME="1">,</A>
which presents a 3-D animated representation of the instruments
described in the script <CODE>test.tao</CODE>. In the current implementation this
window is meant for visualisation only, it is not possible to edit the
instruments graphically.
<P><P> <A NAME="2">
<BLOCKQUOTE><CENTER>
<IMG SRC="instrvis.gif">
</CENTER></BLOCKQUOTE>
<CENTER><B>Tao</B>'s instrument visualisation window</CENTER>
</A>
<P><P>This is a good opportunity to try some of the key and mouse bindings which
affect the behaviour of the instrument visualisation window. These are
listed below but there is one thing you have to do first to set the synthesis
engine in motion.
<P><B>IMPORTANT:</B> When the visualisation window opens initially the
instrument animation is paused. This gives you time to move/resize/rotate
the image to get the view you want before setting everything in motion.
So the first thing you need to do is press the <B>right-arrow</B> key.
After doing this you should see the instruments spring to life, showing
the propagating waves. You can now try out some of the key and mouse bindings.
<P><MENU>
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<tr><td colspan="3" class="addr"><!-- bottom panel --><ADDRESS><FONT SIZE=-1>©1999,2000 Mark Pearson
<A HREF="mailto:m.pearson@ukonline.co.uk">m.pearson@ukonline.co.uk</A> April 30, 2000</ADDRESS><BR></td></tr><!-- end bottom panel --></table></BODY></HTML>
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