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<channel>
	<title>Matthew Venn &#187; linux</title>
	<atom:link href="http://www.mattvenn.net/tag/linux/feed/" rel="self" type="application/rss+xml" />
	<link>http://www.mattvenn.net</link>
	<description>music, improvisation, technology, design</description>
	<lastBuildDate>Sun, 29 Jan 2012 16:20:18 +0000</lastBuildDate>
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	<language>en</language>
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		<title>The science of Snow</title>
		<link>http://www.mattvenn.net/2010/11/01/the-science-of-snow/</link>
		<comments>http://www.mattvenn.net/2010/11/01/the-science-of-snow/#comments</comments>
		<pubDate>Mon, 01 Nov 2010 15:52:53 +0000</pubDate>
		<dc:creator>matthew venn</dc:creator>
				<category><![CDATA[news]]></category>
		<category><![CDATA[projects]]></category>
		<category><![CDATA[exhibition]]></category>
		<category><![CDATA[gallery]]></category>
		<category><![CDATA[interactive]]></category>
		<category><![CDATA[java]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[science]]></category>
		<category><![CDATA[simulation]]></category>
		<category><![CDATA[snow]]></category>

		<guid isPermaLink="false">http://www.mattvenn.net/?p=520</guid>
		<description><![CDATA["The science of snow” is an interactive exhibit that starts by illustrating how snowflakes form and ends with a unique snowflake postcard to take away.]]></description>
			<content:encoded><![CDATA[<p>The &#8220;science of snow” is an interactive exhibit that starts by illustrating how snowflakes form and ends with a unique snowflake postcard to take away.<br />
<a title="press image by matthewvenn, on Flickr" href="http://www.flickr.com/photos/matthewvenn/sets/72157624979132411/with/5080934222/"><img src="http://farm5.static.flickr.com/4113/5080934222_57b2809d42.jpg" alt="press image" width="500" height="433" /></a><br />
By controlling environmental conditions, you grow a unique snowflake; its shape is a visual history of the journey from cloud to ground.</p>
<p>The exhibit has been shown at many galleries including The Crypt (London) Motorcycle showroom and Lakota (Bristol).</p>
<p>More photos of the <a href="http://www.flickr.com/photos/matthewvenn/5179650130/in/set-72157624979132411/">build process</a> and the <a href="http://www.flickr.com/photos/matthewvenn/5218025503/in/set-72157624979132411/">final product</a> including <a href="http://www.flickr.com/photos/matthewvenn/5212145772/in/set-72157624979132411/">example snow flakes</a>. Source <a href="https://github.com/mattvenn/science-of-snow/tree/master/src/snow">code is here</a>.</p>
<p>I would like to thank Janko Gravner, David Griffeath and Clifford A. Reiter for their research in the field. Their work was used extensively to build this computer model. Lou Smith for his interest and work building the physical installation. Rachel Carless for help with the funding application. David Murray-Rust for computer help and advice. The open source community for providing all the excellent free software with which this exhibit was built.</p>
<p>Comments by the public:</p>
<ul>
<li>We came for our christmas party had such great fun , made xmas cards and snow flakes. Thank you</li>
<li>Loved it all, but especially the snowflake machine and advent calendar.</li>
<li>I loved the snow flake guys work Thanks.</li>
<li>Personally thought the snowflake was the best ! Thank you for an interesting afternoon.</li>
<li>We particularly enjoyed the installation by Matthew Venn where we produced our own digital snow flake.</li>
<li>Loved the snow flake machine.</li>
<li>I made my own snowflake to take home great idea.</li>
<li>I made the opening night and it was absolutely mind blowing, came back again to play on the snow flake machine.</li>
</ul>
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		</item>
		<item>
		<title>virtual graffiti instructable / howto</title>
		<link>http://www.mattvenn.net/2009/12/18/virtual-graffiti-instructable-howto/</link>
		<comments>http://www.mattvenn.net/2009/12/18/virtual-graffiti-instructable-howto/#comments</comments>
		<pubDate>Sat, 19 Dec 2009 05:32:48 +0000</pubDate>
		<dc:creator>matthew venn</dc:creator>
				<category><![CDATA[howto]]></category>
		<category><![CDATA[news]]></category>
		<category><![CDATA[projects]]></category>
		<category><![CDATA[instructable]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[processing]]></category>
		<category><![CDATA[virtual graffiti]]></category>
		<category><![CDATA[wiimote]]></category>

		<guid isPermaLink="false">http://www.mattvenn.net/?p=490</guid>
		<description><![CDATA[Build your own virtual graffiti system - full instructions and code.]]></description>
			<content:encoded><![CDATA[<p>I&#8217;ve finished the first version of the virtual graffiti system, which is now fully published (including all code) on the <a href="http://www.instructables.com/id/virtual-graffiti/">instructables website</a>.</p>
<p>We ran a demo at the blue hut youth club on Thursday where it was very well received!<br />
<a title="demo at blue hut youth club by matthewvenn, on Flickr" href="http://www.flickr.com/photos/matthewvenn/4195158637/"><img src="http://farm3.static.flickr.com/2582/4195158637_ca8b0287df.jpg" alt="demo at blue hut youth club" width="500" height="375" /></a></p>
]]></content:encoded>
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		</item>
		<item>
		<title>first exhibition of audible photos!</title>
		<link>http://www.mattvenn.net/2008/06/27/first-exhibition-of-audible-photos/</link>
		<comments>http://www.mattvenn.net/2008/06/27/first-exhibition-of-audible-photos/#comments</comments>
		<pubDate>Fri, 27 Jun 2008 22:09:36 +0000</pubDate>
		<dc:creator>matthew venn</dc:creator>
				<category><![CDATA[news]]></category>
		<category><![CDATA[projects]]></category>
		<category><![CDATA[audio]]></category>
		<category><![CDATA[design]]></category>
		<category><![CDATA[installation]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[photos]]></category>
		<category><![CDATA[puredata]]></category>

		<guid isPermaLink="false">http://www.mattvenn.net/2008/06/27/first-exhibition-of-audible-photos/</guid>
		<description><![CDATA[The first outing of audible photo frames is happening on the 29th June at Chisenhale dance space. The photos are of improvised performances from the last few months of &#8220;Sunday Surprises&#8221; &#8211;  a performance event celebrating cross-art form improvisation.
Right now the system uses pedals to trigger the sounds, and we are not using illuminating [...]]]></description>
			<content:encoded><![CDATA[<p>The first outing of audible photo frames is happening on the 29th June at <a href="http://www.chisenhaledancespace.co.uk">Chisenhale dance space</a>. The photos are of improvised performances from the last few months of &#8220;Sunday Surprises&#8221; &#8211;  a performance event celebrating cross-art form improvisation.</p>
<p>Right now the system uses pedals to trigger the sounds, and we are not using illuminating photo frames. When we have hired the system a few times I will add the illuminating frames.</p>
<p><img src="http://farm4.static.flickr.com/3035/2615374799_d08e84e746.jpg" width="500" height="375" /></p>
<p>If you are interested in using the system or collaborating on a new project, please <a   rel="nofollow" id="emailShroud1" stoDom="mattvenn.net" stoUser="matt" href="http://www.somethinkodd.com/emailshroud/emailaddress.php?domainName=mattvenn.net&amp;userName=matt&amp;ver=2.1.0" >contact me</a>!</p>
]]></content:encoded>
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		</item>
		<item>
		<title>midi controlled gas organ</title>
		<link>http://www.mattvenn.net/2008/02/13/midi-controlling-the-gas-organ/</link>
		<comments>http://www.mattvenn.net/2008/02/13/midi-controlling-the-gas-organ/#comments</comments>
		<pubDate>Wed, 13 Feb 2008 15:08:07 +0000</pubDate>
		<dc:creator>matthew venn</dc:creator>
				<category><![CDATA[music]]></category>
		<category><![CDATA[projects]]></category>
		<category><![CDATA[design]]></category>
		<category><![CDATA[gas organ]]></category>
		<category><![CDATA[interactive]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[puredata]]></category>

		<guid isPermaLink="false">http://www.mattvenn.net/2008/02/13/midi-controlling-the-gas-organ/</guid>
		<description><![CDATA[
I got the puredata patch to respond to midi, so now we can sequence the gas organ. For the flame and flesh event we&#8217;re going to have some performers who want to play their electric violin and cello with the gas organ. Martin came in and played a sequence (top right photo) which we recorded, [...]]]></description>
			<content:encoded><![CDATA[<p><img src="http://www.mattvenn.net/wp-content/uploads/2008/02/gasmontage.jpg" alt="gas organ montage" /></p>
<p>I got the puredata patch to respond to midi, so now we can sequence the gas organ. For the <a href="http://experiment1.co.uk">flame and flesh event</a> we&#8217;re going to have some performers who want to play their electric violin and cello with the gas organ. Martin came in and played a sequence (top right photo) which we recorded, and you can hear <a href="http://mattvenn.net/audio/samples/gasorgan.wav">here</a>.</p>
]]></content:encoded>
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		</item>
		<item>
		<title>lighterthief back up!</title>
		<link>http://www.mattvenn.net/2008/01/31/lighterthief-back-up/</link>
		<comments>http://www.mattvenn.net/2008/01/31/lighterthief-back-up/#comments</comments>
		<pubDate>Thu, 31 Jan 2008 12:24:47 +0000</pubDate>
		<dc:creator>matthew venn</dc:creator>
				<category><![CDATA[news]]></category>
		<category><![CDATA[projects]]></category>
		<category><![CDATA[design]]></category>
		<category><![CDATA[lighterthief]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[tracking]]></category>

		<guid isPermaLink="false">http://www.blog.mattvenn.net/?p=328</guid>
		<description><![CDATA[yes it&#8217;s true! go to www.lighterthief.org right now to really believe the power!
This project looks like it might be revitalised soon in a web2 stylee.
]]></description>
			<content:encoded><![CDATA[<p>yes it&#8217;s true! go to <a href="http://www.lighterthief.org">www.lighterthief.org</a> right now to really believe the power!</p>
<p>This project looks like it might be revitalised soon in a web2 stylee.</p>
]]></content:encoded>
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		</item>
		<item>
		<title>experiment 1 : the gas organ</title>
		<link>http://www.mattvenn.net/2008/01/31/experiment-1-the-gas-organ/</link>
		<comments>http://www.mattvenn.net/2008/01/31/experiment-1-the-gas-organ/#comments</comments>
		<pubDate>Thu, 31 Jan 2008 10:53:33 +0000</pubDate>
		<dc:creator>matthew venn</dc:creator>
				<category><![CDATA[news]]></category>
		<category><![CDATA[projects]]></category>
		<category><![CDATA[design]]></category>
		<category><![CDATA[gas organ]]></category>
		<category><![CDATA[interactive]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[puredata]]></category>
		<category><![CDATA[robotics]]></category>
		<category><![CDATA[sculpture]]></category>
		<category><![CDATA[wiimote]]></category>

		<guid isPermaLink="false">http://www.blog.mattvenn.net/?p=325</guid>
		<description><![CDATA[I&#8217;ve been working on the wiimote -&#62; puredata -&#62; bluemelon controlled gas organ for a while now, and we are getting ready for a full test on Monday.

We have a big event called &#8216;flame and flesh&#8217; happening on the 22nd February at Corsica Studios. Come along and check it out!
update!
the test went really well! We [...]]]></description>
			<content:encoded><![CDATA[<p>I&#8217;ve been working on the <a href="http://mikewoz.com/index.php?page=pd-stuff">wiimote</a> -&gt; <a href="http://puredata.info/">puredata</a> -&gt; <a href="http://www.bluemelon.org/index.php/Main_page/BlueSense">bluemelon</a> controlled <a href="http://experiment1.co.uk">gas organ</a> for a while now, and we are getting ready for a full test on Monday.</p>
<p><img src="http://www.mattvenn.net/wp-content/uploads/2008/02/gasorgan.jpg" alt="gas organ" /></p>
<p>We have a big event called &#8216;flame and flesh&#8217; happening on the 22nd February at Corsica Studios. Come along and check it out!</p>
<p><strong>update!</strong></p>
<p>the test went really well! We have good intuitive control of the organ using 2 wiimotes. I&#8217;ve also got a basic random mode going down too. It was great seeing Shawn dancing with the controllers because the sound was <strong>so well linked</strong> to his movement. I began to be able to recognise and predict what the sound was going to do as he moved. I think the use of wiimotes is going to really make waves in synchronising music, movement, visuals and who knows what else. Exciting!</p>
]]></content:encoded>
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		<item>
		<title>mirrordrive raid backup</title>
		<link>http://www.mattvenn.net/2007/10/16/mirrordrive-raid-backup/</link>
		<comments>http://www.mattvenn.net/2007/10/16/mirrordrive-raid-backup/#comments</comments>
		<pubDate>Tue, 16 Oct 2007 15:13:17 +0000</pubDate>
		<dc:creator>matthew venn</dc:creator>
				<category><![CDATA[howto]]></category>
		<category><![CDATA[computing]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[raid]]></category>

		<guid isPermaLink="false">http://www.mattvenn.net/2007/10/16/mirrordrive-raid-backup/</guid>
		<description><![CDATA[To backup:
just insert the secondary into the slot and the backup will start automatically.
To restore:
start with mirror drive empty



step
what to do
status A
status B


1
optional use non raid setting to wipe partition data of old primary
n/a
n/a


2
power down and remove old primary
n/a
n/a


3
put backup disk into slot A
n/a
n/a


4
ensure raid 1 mode is on, and power up.
green
red



if step 1 is [...]]]></description>
			<content:encoded><![CDATA[<p><strong>To backup:</strong></p>
<p>just insert the secondary into the slot and the backup will start automatically.</p>
<p><strong>To restore:</strong></p>
<p>start with mirror drive empty</p>
<table class="confluenceTable" border="0">
<tbody>
<tr>
<th class="confluenceTh">step</th>
<th class="confluenceTh">what to do</th>
<th class="confluenceTh">status A</th>
<th class="confluenceTh">status B</th>
</tr>
<tr>
<td class="confluenceTd">1</td>
<td class="confluenceTd"><strong>optional</strong> use non raid setting to wipe partition data of old primary</td>
<td class="confluenceTd">n/a</td>
<td class="confluenceTd">n/a</td>
</tr>
<tr>
<td class="confluenceTd">2</td>
<td class="confluenceTd">power down and remove old primary</td>
<td class="confluenceTd">n/a</td>
<td class="confluenceTd">n/a</td>
</tr>
<tr>
<td class="confluenceTd">3</td>
<td class="confluenceTd">put backup disk into slot A</td>
<td class="confluenceTd">n/a</td>
<td class="confluenceTd">n/a</td>
</tr>
<tr>
<td class="confluenceTd">4</td>
<td class="confluenceTd">ensure raid 1 mode is on, and power up.</td>
<td class="confluenceTd">green</td>
<td class="confluenceTd">red</td>
</tr>
</tbody>
</table>
<p>if step 1 is done then:</p>
<table class="confluenceTable" border="0">
<tbody>
<tr>
<th class="confluenceTh">step</th>
<th class="confluenceTh">what to do</th>
<th class="confluenceTh">status A</th>
<th class="confluenceTh">status B</th>
</tr>
<tr>
<td class="confluenceTd">5</td>
<td class="confluenceTd">put old primary into slot B</td>
<td class="confluenceTd">green flash</td>
<td class="confluenceTd">red flash</td>
</tr>
</tbody>
</table>
<p>if step 1 is <strong>not</strong> done then:</p>
<table class="confluenceTable" border="0">
<tbody>
<tr>
<th class="confluenceTh">step</th>
<th class="confluenceTh">what to do</th>
<th class="confluenceTh">status A</th>
<th class="confluenceTh">status B</th>
</tr>
<tr>
<td class="confluenceTd">5</td>
<td class="confluenceTd">put old primary into slot B</td>
<td class="confluenceTd">green</td>
<td class="confluenceTd">green</td>
</tr>
<tr>
<td class="confluenceTd">6</td>
<td class="confluenceTd">pull old primary and reinsert with power on</td>
<td class="confluenceTd">green flash</td>
<td class="confluenceTd">red flash</td>
</tr>
</tbody>
</table>
<p>I noticed when doing step 6 that status a is flash green, and b is flashing green/red (not exactly as above).</p>
]]></content:encoded>
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		<item>
		<title>using a wiimote with linux and puredata</title>
		<link>http://www.mattvenn.net/2007/05/13/using-a-wiimote-with-linux-and-puredata/</link>
		<comments>http://www.mattvenn.net/2007/05/13/using-a-wiimote-with-linux-and-puredata/#comments</comments>
		<pubDate>Sun, 13 May 2007 15:51:00 +0000</pubDate>
		<dc:creator>matthew venn</dc:creator>
				<category><![CDATA[howto]]></category>
		<category><![CDATA[news]]></category>
		<category><![CDATA[projects]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[puredata]]></category>
		<category><![CDATA[wiimote]]></category>

		<guid isPermaLink="false">http://www.mattvenn.net/2007/05/13/using-a-wiimote-with-linux-and-puredata/</guid>
		<description><![CDATA[             I got my wiimote to connect to linux yesterday!

linux

compiling the bluetooth network support as modules. I needed bluetooth, rfcomm, hidp and l2cap. I&#8217;m using a thinkpad t42 with builtin bluetooth. The bluetooth adapter is connected to the usb bus, so I also [...]]]></description>
			<content:encoded><![CDATA[<p><!-- wiki content -->             I got my wiimote to connect to linux yesterday!</p>
<p class="wiki-content" style="margin-right: 10px">
<h3 id="usingawiimotewithlinuxandpuredata-linux">linux</h3>
<ul>
<li>compiling the bluetooth network support as modules. I needed bluetooth, rfcomm, hidp and l2cap. I&#8217;m using a thinkpad t42 with builtin bluetooth. The bluetooth adapter is connected to the usb bus, so I also needed hci_usb.</li>
</ul>
<ul>
<li>installed bluez-utils, then with the wiimote on and in discovery mode run &#8216;hcitool scan&#8217;; finds the Nintendo wiimote!</li>
</ul>
<p class="code">
<p class="codeContent">
<pre class="code-java">ping:555:$ hcitool scan
Scanning ...
        00:0A:3A:6B:BD:71       n/a
        00:14:51:8C:C4:78       core
        00:19:63:1B:15:2F       Me
        00:19:1D:30:06:CE       Nintendo RVL-CNT-01</pre>
<h3 id="usingawiimotewithlinuxandpuredata-puredata">pure data</h3>
<ul>
<li>the cwiid library ( <span class="nobr"><a href="http://www.abstrakraft.org/">http://www.abstrakraft.org/<sup><img src="http://oldsite.mattvenn.net/images/icons/linkext7.gif" class="rendericon" align="absmiddle" border="0" height="7" width="7" /></sup></a></span>), version 0.4.01</li>
<li>the puredata external ( <span class="nobr"><a href="http://mikewoz.com/index.php?page=pd-stuff">http://mikewoz.com/index.php?page=pd-stuff<sup><img src="http://oldsite.mattvenn.net/images/icons/linkext7.gif" class="rendericon" align="absmiddle" border="0" height="7" width="7" /></sup></a></span>).</li>
<li>the wiimote.pd help shows how it all looks:</li>
</ul>
<p><img src="http://oldsite.mattvenn.net/download/attachments/473/pd.jpg" align="absmiddle" border="0" /></p>
<h3 id="usingawiimotewithlinuxandpuredata-Jackpdwiimotefreewheeling%3Dremotecontrolledlooping%21">Jack + pd + wiimote + freewheeling = remote controlled looping!</h3>
<p>Then I started <a href="http://oldsite.mattvenn.net/display/public/looping+tools" title="looping tools">freewheeling</a> and connected that to pd using jack. I controlled the freewheeling overdub button with pd to test and it all works! So that is proof of concept of a wiimote controlled loop setup.</p>
<h3 id="usingawiimotewithlinuxandpuredata-future...">future&#8230;</h3>
<ul>
<li>I&#8217;m going to hack up volume control with the wiimote over the weekend</li>
</ul>
<ul>
<li>I want to control master out granular filter</li>
</ul>
<ul>
<li>I want to find out is whether I can get freewheeling to give me status (maybe as a midi message or unix socket) back to PD so I can control the blue lights on the wii to give me status (like if overdub mode is on). I imagine that would be cool for any control surface.</li>
</ul>
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