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	<title>Air Pollution London Archives - Digital Urban</title>
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	<description>Data, Cities, IoT, Writing, Music and Making Things</description>
	<lastBuildDate>Fri, 07 Nov 2008 17:33:00 +0000</lastBuildDate>
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	<title>Air Pollution London Archives - Digital Urban</title>
	<link>https://www.digitalurban.org/blog/category/air-pollution-london/</link>
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		<title>Particles in the City: Agents For Understanding Flow and City Dynamics</title>
		<link>https://www.digitalurban.org/blog/2008/11/07/particles-in-city-agents-for/</link>
					<comments>https://www.digitalurban.org/blog/2008/11/07/particles-in-city-agents-for/#comments</comments>
		
		<dc:creator><![CDATA[Andy]]></dc:creator>
		<pubDate>Fri, 07 Nov 2008 17:33:00 +0000</pubDate>
				<category><![CDATA[3D Agents]]></category>
		<category><![CDATA[3dmax]]></category>
		<category><![CDATA[Agent Based Modelling]]></category>
		<category><![CDATA[Air Pollution London]]></category>
		<category><![CDATA[Particles]]></category>
		<guid isPermaLink="false">http://digitalurban.net/?p=1542</guid>

					<description><![CDATA[<p>We thought we would put up a quick post on &#8216;what we are currently doing&#8217;&#8230; At the moment we are looking into simulating and visualising flow in the city, linked...</p>
<p>The post <a href="https://www.digitalurban.org/blog/2008/11/07/particles-in-city-agents-for/">Particles in the City: Agents For Understanding Flow and City Dynamics</a> appeared first on <a href="https://www.digitalurban.org">Digital Urban</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p><a href="http://3.bp.blogspot.com/_ADwvfqkxChw/SRR78RIjD0I/AAAAAAAAB04/QpbTYtwt_6k/s1600-h/particlesBT1.png"><img decoding="async" style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 400px; height: 210px;" src="http://3.bp.blogspot.com/_ADwvfqkxChw/SRR78RIjD0I/AAAAAAAAB04/QpbTYtwt_6k/s400/particlesBT1.png" alt="" id="BLOGGER_PHOTO_ID_5265970139624574786" border="0" /></a>We thought we would put up a quick post on &#8216;what we are currently doing&#8217;&#8230; At the moment we are looking into simulating and visualising flow in the city, linked into <a href="http://digitalurban.blogspot.com/search?q=3d+agent+based+modelling">our earlier 3D based agent work</a>. Its early days but using a particle system linked to known wind dynamics and a 3D city model you can create a rapid visualisation of the dispersion of particles. This maybe useful if, for example, a &#8216;dirty bomb&#8217; was exploded or if some sort of contamination was detected.</p>
<p><a href="http://3.bp.blogspot.com/_ADwvfqkxChw/SRR-0e5bn1I/AAAAAAAAB1A/ZvwFlv7N_3U/s1600-h/Fantasyparticles.png"><img decoding="async" style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 400px; height: 210px;" src="http://3.bp.blogspot.com/_ADwvfqkxChw/SRR-0e5bn1I/AAAAAAAAB1A/ZvwFlv7N_3U/s400/Fantasyparticles.png" alt="" id="BLOGGER_PHOTO_ID_5265973304415199058" border="0" /></a><br />Taking this further it can also be used for crowd modelling and pedestrian evacuation analysis within the cityscape. We are using our &#8216;fantasy city&#8217; as a first test bed, rather than our London model at the moment as its easier to work with in the first stage of development&#8230;</p>
<p>You can see how we created the model via our <a href="http://digitalurban.blogspot.com/2008/03/greeble-3d-city-tutorial-2-cityscape.html">Fantasy City Tutorial for 3D Studio Max</a>.</p>
<p>The post <a href="https://www.digitalurban.org/blog/2008/11/07/particles-in-city-agents-for/">Particles in the City: Agents For Understanding Flow and City Dynamics</a> appeared first on <a href="https://www.digitalurban.org">Digital Urban</a>.</p>
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					<wfw:commentRss>https://www.digitalurban.org/blog/2008/11/07/particles-in-city-agents-for/feed/</wfw:commentRss>
			<slash:comments>2</slash:comments>
		
		
			</item>
		<item>
		<title>Particles in the City: Agents For Understanding Flow and City Dynamics</title>
		<link>https://www.digitalurban.org/blog/2008/11/07/particles-in-city-agents-for-2/</link>
					<comments>https://www.digitalurban.org/blog/2008/11/07/particles-in-city-agents-for-2/#comments</comments>
		
		<dc:creator><![CDATA[Andy]]></dc:creator>
		<pubDate>Fri, 07 Nov 2008 17:33:00 +0000</pubDate>
				<category><![CDATA[3D Agents]]></category>
		<category><![CDATA[3dmax]]></category>
		<category><![CDATA[Agent Based Modelling]]></category>
		<category><![CDATA[Air Pollution London]]></category>
		<category><![CDATA[Particles]]></category>
		<guid isPermaLink="false">http://digitalurban.net/?p=1542</guid>

					<description><![CDATA[<p>We thought we would put up a quick post on &#8216;what we are currently doing&#8217;&#8230; At the moment we are looking into simulating and visualising flow in the city, linked...</p>
<p>The post <a href="https://www.digitalurban.org/blog/2008/11/07/particles-in-city-agents-for-2/">Particles in the City: Agents For Understanding Flow and City Dynamics</a> appeared first on <a href="https://www.digitalurban.org">Digital Urban</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p><a href="http://3.bp.blogspot.com/_ADwvfqkxChw/SRR78RIjD0I/AAAAAAAAB04/QpbTYtwt_6k/s1600-h/particlesBT1.png"><img decoding="async" style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 400px; height: 210px;" src="http://3.bp.blogspot.com/_ADwvfqkxChw/SRR78RIjD0I/AAAAAAAAB04/QpbTYtwt_6k/s400/particlesBT1.png" alt="" id="BLOGGER_PHOTO_ID_5265970139624574786" border="0" /></a>We thought we would put up a quick post on &#8216;what we are currently doing&#8217;&#8230; At the moment we are looking into simulating and visualising flow in the city, linked into <a href="http://digitalurban.blogspot.com/search?q=3d+agent+based+modelling">our earlier 3D based agent work</a>. Its early days but using a particle system linked to known wind dynamics and a 3D city model you can create a rapid visualisation of the dispersion of particles. This maybe useful if, for example, a &#8216;dirty bomb&#8217; was exploded or if some sort of contamination was detected.</p>
<p><a href="http://3.bp.blogspot.com/_ADwvfqkxChw/SRR-0e5bn1I/AAAAAAAAB1A/ZvwFlv7N_3U/s1600-h/Fantasyparticles.png"><img decoding="async" style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 400px; height: 210px;" src="http://3.bp.blogspot.com/_ADwvfqkxChw/SRR-0e5bn1I/AAAAAAAAB1A/ZvwFlv7N_3U/s400/Fantasyparticles.png" alt="" id="BLOGGER_PHOTO_ID_5265973304415199058" border="0" /></a><br />Taking this further it can also be used for crowd modelling and pedestrian evacuation analysis within the cityscape. We are using our &#8216;fantasy city&#8217; as a first test bed, rather than our London model at the moment as its easier to work with in the first stage of development&#8230;</p>
<p>You can see how we created the model via our <a href="http://digitalurban.blogspot.com/2008/03/greeble-3d-city-tutorial-2-cityscape.html">Fantasy City Tutorial for 3D Studio Max</a>.</p>
<p>The post <a href="https://www.digitalurban.org/blog/2008/11/07/particles-in-city-agents-for-2/">Particles in the City: Agents For Understanding Flow and City Dynamics</a> appeared first on <a href="https://www.digitalurban.org">Digital Urban</a>.</p>
]]></content:encoded>
					
					<wfw:commentRss>https://www.digitalurban.org/blog/2008/11/07/particles-in-city-agents-for-2/feed/</wfw:commentRss>
			<slash:comments>2</slash:comments>
		
		
			</item>
		<item>
		<title>Air Pollution in the City Visualisation: Nitrogen Dioxide, London</title>
		<link>https://www.digitalurban.org/blog/2008/08/12/air-pollution-in-city-visualisation/</link>
					<comments>https://www.digitalurban.org/blog/2008/08/12/air-pollution-in-city-visualisation/#comments</comments>
		
		<dc:creator><![CDATA[Andy]]></dc:creator>
		<pubDate>Tue, 12 Aug 2008 11:08:00 +0000</pubDate>
				<category><![CDATA[Air Pollution London]]></category>
		<category><![CDATA[Data Visualisation]]></category>
		<category><![CDATA[Nitrogen Dioxide]]></category>
		<category><![CDATA[Virtual London]]></category>
		<guid isPermaLink="false">http://digitalurban.net/?p=1601</guid>

					<description><![CDATA[<p>Air Pollution Visualisation: Nitrogen Dioxide, London from digitalurban on Vimeo. Nitrogen dioxide (NO2): NO2 is produced in high temperature combustion processes and chemical reactions in the atmosphere. Road transport is...</p>
<p>The post <a href="https://www.digitalurban.org/blog/2008/08/12/air-pollution-in-city-visualisation/">Air Pollution in the City Visualisation: Nitrogen Dioxide, London</a> appeared first on <a href="https://www.digitalurban.org">Digital Urban</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p><center><object width="480" height="270"><param name="allowfullscreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="movie" value="http://www.vimeo.com/moogaloop.swf?clip_id=1515604&#038;server=www.vimeo.com&#038;show_title=1&#038;show_byline=0&#038;show_portrait=0&#038;color=ffffff&#038;fullscreen=1" /><embed src="http://www.vimeo.com/moogaloop.swf?clip_id=1515604&#038;server=www.vimeo.com&#038;show_title=1&#038;show_byline=0&#038;show_portrait=0&#038;color=ffffff&#038;fullscreen=1" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" width="480" height="270"></embed></object><br /><a href="http://www.vimeo.com/1515604?pg=embed&#038;sec=1515604">Air Pollution Visualisation: Nitrogen Dioxide, London</a> from <a href="http://www.vimeo.com/user584207?pg=embed&#038;sec=1515604">digitalurban</a> on <a href="http://vimeo.com?pg=embed&#038;sec=1515604">Vimeo</a>.</center></p>
<p>Nitrogen dioxide (NO2): NO2 is produced in high temperature combustion processes and chemical reactions in the atmosphere. Road transport is responsible for 60 per cent of emissions of NOx (the pollutant that causes NO2) in London. It can affect the lungs and airways when exposed over long periods or at high concentrations over a short period.</p>
<p>The movie about depicts our visualisation at CASA of N02 in London, created in association with the Environmental Research Group at Kings College London. The movie was created to illustrate the use of the Virtual London model to gain a sense of location and place when communicating geo-specific information.</p>
<p>Moving data into the third dimension can however be counter productive. While the movie clearly communicates areas of high N02 concentration it also falsely suggests to some that the air is clear above the peaks &#8211; which is course it is not as N02 is measured from a set height. Although in general we would argue that it is more successful than the standard 2D map in getting the spatial information across&#8230;(?)</p>
<p>Click &#8216;HD&#8217; in the movie to view in high definition via Vimeo.</p>
<p>The post <a href="https://www.digitalurban.org/blog/2008/08/12/air-pollution-in-city-visualisation/">Air Pollution in the City Visualisation: Nitrogen Dioxide, London</a> appeared first on <a href="https://www.digitalurban.org">Digital Urban</a>.</p>
]]></content:encoded>
					
					<wfw:commentRss>https://www.digitalurban.org/blog/2008/08/12/air-pollution-in-city-visualisation/feed/</wfw:commentRss>
			<slash:comments>3</slash:comments>
		
		
			</item>
		<item>
		<title>Air Pollution in the City Visualisation: Nitrogen Dioxide, London</title>
		<link>https://www.digitalurban.org/blog/2008/08/12/air-pollution-in-city-visualisation-2/</link>
					<comments>https://www.digitalurban.org/blog/2008/08/12/air-pollution-in-city-visualisation-2/#comments</comments>
		
		<dc:creator><![CDATA[Andy]]></dc:creator>
		<pubDate>Tue, 12 Aug 2008 11:08:00 +0000</pubDate>
				<category><![CDATA[Air Pollution London]]></category>
		<category><![CDATA[Data Visualisation]]></category>
		<category><![CDATA[Nitrogen Dioxide]]></category>
		<category><![CDATA[Virtual London]]></category>
		<guid isPermaLink="false">http://digitalurban.net/?p=1601</guid>

					<description><![CDATA[<p>Air Pollution Visualisation: Nitrogen Dioxide, London from digitalurban on Vimeo. Nitrogen dioxide (NO2): NO2 is produced in high temperature combustion processes and chemical reactions in the atmosphere. Road transport is...</p>
<p>The post <a href="https://www.digitalurban.org/blog/2008/08/12/air-pollution-in-city-visualisation-2/">Air Pollution in the City Visualisation: Nitrogen Dioxide, London</a> appeared first on <a href="https://www.digitalurban.org">Digital Urban</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p><center><object width="480" height="270"><param name="allowfullscreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="movie" value="http://www.vimeo.com/moogaloop.swf?clip_id=1515604&#038;server=www.vimeo.com&#038;show_title=1&#038;show_byline=0&#038;show_portrait=0&#038;color=ffffff&#038;fullscreen=1" /><embed src="http://www.vimeo.com/moogaloop.swf?clip_id=1515604&#038;server=www.vimeo.com&#038;show_title=1&#038;show_byline=0&#038;show_portrait=0&#038;color=ffffff&#038;fullscreen=1" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" width="480" height="270"></embed></object><br /><a href="http://www.vimeo.com/1515604?pg=embed&#038;sec=1515604">Air Pollution Visualisation: Nitrogen Dioxide, London</a> from <a href="http://www.vimeo.com/user584207?pg=embed&#038;sec=1515604">digitalurban</a> on <a href="http://vimeo.com?pg=embed&#038;sec=1515604">Vimeo</a>.</center></p>
<p>Nitrogen dioxide (NO2): NO2 is produced in high temperature combustion processes and chemical reactions in the atmosphere. Road transport is responsible for 60 per cent of emissions of NOx (the pollutant that causes NO2) in London. It can affect the lungs and airways when exposed over long periods or at high concentrations over a short period.</p>
<p>The movie about depicts our visualisation at CASA of N02 in London, created in association with the Environmental Research Group at Kings College London. The movie was created to illustrate the use of the Virtual London model to gain a sense of location and place when communicating geo-specific information.</p>
<p>Moving data into the third dimension can however be counter productive. While the movie clearly communicates areas of high N02 concentration it also falsely suggests to some that the air is clear above the peaks &#8211; which is course it is not as N02 is measured from a set height. Although in general we would argue that it is more successful than the standard 2D map in getting the spatial information across&#8230;(?)</p>
<p>Click &#8216;HD&#8217; in the movie to view in high definition via Vimeo.</p>
<p>The post <a href="https://www.digitalurban.org/blog/2008/08/12/air-pollution-in-city-visualisation-2/">Air Pollution in the City Visualisation: Nitrogen Dioxide, London</a> appeared first on <a href="https://www.digitalurban.org">Digital Urban</a>.</p>
]]></content:encoded>
					
					<wfw:commentRss>https://www.digitalurban.org/blog/2008/08/12/air-pollution-in-city-visualisation-2/feed/</wfw:commentRss>
			<slash:comments>3</slash:comments>
		
		
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