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	<title>color &#8211; Alan Richmond</title>
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	<link>https://tuxar.uk</link>
	<description>Scientific systems programmer (ex NASA, ESA/ESO, Hubble), web developer, online retailer (retired)</description>
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	<title>color &#8211; Alan Richmond</title>
	<link>https://tuxar.uk</link>
	<width>32</width>
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	<item>
		<title>Spectral Harmonographs</title>
		<link>https://tuxar.uk/spectral-harmonographs-2/</link>
					<comments>https://tuxar.uk/spectral-harmonographs-2/#comments</comments>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Mon, 05 Oct 2015 11:24:25 +0000</pubDate>
				<category><![CDATA[Harmonograph]]></category>
		<category><![CDATA[Intermediate]]></category>
		<category><![CDATA[color]]></category>
		<category><![CDATA[graphics]]></category>
		<category><![CDATA[math]]></category>
		<category><![CDATA[pygame]]></category>
		<category><![CDATA[random]]></category>
		<category><![CDATA[simulation]]></category>
		<category><![CDATA[sin]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=573</guid>

					<description><![CDATA[This Python + Pygame program draws the trace of 4 decaying sine waves, 2 per axis, with rainbow colours. It... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/spectral-harmonographs-2/">read more<span class="gridview-sr-only"> Spectral Harmonographs</span></a></span>]]></description>
		
					<wfw:commentRss>https://tuxar.uk/spectral-harmonographs-2/feed/</wfw:commentRss>
			<slash:comments>3</slash:comments>
		
		
			</item>
		<item>
		<title>Stars and Stripes</title>
		<link>https://tuxar.uk/stars-and-stripes/</link>
					<comments>https://tuxar.uk/stars-and-stripes/#respond</comments>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Sat, 04 Jul 2015 19:43:42 +0000</pubDate>
				<category><![CDATA[Basic]]></category>
		<category><![CDATA[color]]></category>
		<category><![CDATA[graphics]]></category>
		<category><![CDATA[import]]></category>
		<category><![CDATA[pygame]]></category>
		<category><![CDATA[range]]></category>
		<category><![CDATA[RGB]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=518</guid>

					<description><![CDATA[A variation on the Stars and Stripes American Flag for Independence Day. It&#8217;s an exercise in the use of transparency in... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/stars-and-stripes/">read more<span class="gridview-sr-only"> Stars and Stripes</span></a></span>]]></description>
		
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			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>Animated Tower of Hanoi</title>
		<link>https://tuxar.uk/animated-tower-of-hanoi/</link>
					<comments>https://tuxar.uk/animated-tower-of-hanoi/#respond</comments>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Fri, 03 Jul 2015 11:29:32 +0000</pubDate>
				<category><![CDATA[Intermediate]]></category>
		<category><![CDATA[color]]></category>
		<category><![CDATA[graphics]]></category>
		<category><![CDATA[pygame]]></category>
		<category><![CDATA[recursion]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=499</guid>

					<description><![CDATA[The Tower of Hanoi is a classic problem that lends itself well to a recursive solution. The story involves some... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/animated-tower-of-hanoi/">read more<span class="gridview-sr-only"> Animated Tower of Hanoi</span></a></span>]]></description>
		
					<wfw:commentRss>https://tuxar.uk/animated-tower-of-hanoi/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>Rainbow Flag in Pygame</title>
		<link>https://tuxar.uk/rainbow-flag-in-pygame/</link>
					<comments>https://tuxar.uk/rainbow-flag-in-pygame/#respond</comments>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Mon, 29 Jun 2015 09:10:30 +0000</pubDate>
				<category><![CDATA[Beginner]]></category>
		<category><![CDATA[color]]></category>
		<category><![CDATA[enumerate]]></category>
		<category><![CDATA[for]]></category>
		<category><![CDATA[graphics]]></category>
		<category><![CDATA[import]]></category>
		<category><![CDATA[libraries]]></category>
		<category><![CDATA[loop]]></category>
		<category><![CDATA[pygame]]></category>
		<category><![CDATA[RGB]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=485</guid>

					<description><![CDATA[This little Pygame program paints the Rainbow Flag, as used by the LGBT movement. It illustrates: Importing the Pygame library... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/rainbow-flag-in-pygame/">read more<span class="gridview-sr-only"> Rainbow Flag in Pygame</span></a></span>]]></description>
		
					<wfw:commentRss>https://tuxar.uk/rainbow-flag-in-pygame/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>Fast Mandelbrot Set by QuadTree</title>
		<link>https://tuxar.uk/fast-mandelbrot-set-by-quadtree/</link>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Wed, 27 May 2015 19:59:36 +0000</pubDate>
				<category><![CDATA[Advanced]]></category>
		<category><![CDATA[Fractals]]></category>
		<category><![CDATA[color]]></category>
		<category><![CDATA[complex]]></category>
		<category><![CDATA[fractal]]></category>
		<category><![CDATA[graphics]]></category>
		<category><![CDATA[HSV]]></category>
		<category><![CDATA[pygame]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=298</guid>

					<description><![CDATA[Most Mandelbrot Set programs proceed along the display area, pixel by pixel horizontally, row by row from top to bottom.... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/fast-mandelbrot-set-by-quadtree/">read more<span class="gridview-sr-only"> Fast Mandelbrot Set by QuadTree</span></a></span>]]></description>
		
		
		
			</item>
		<item>
		<title>Random Walk</title>
		<link>https://tuxar.uk/random-walk/</link>
					<comments>https://tuxar.uk/random-walk/#respond</comments>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Sat, 18 Apr 2015 16:52:46 +0000</pubDate>
				<category><![CDATA[Basic]]></category>
		<category><![CDATA[Turtle]]></category>
		<category><![CDATA[color]]></category>
		<category><![CDATA[colorsys]]></category>
		<category><![CDATA[random]]></category>
		<category><![CDATA[range]]></category>
		<category><![CDATA[turtle]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=77</guid>

					<description><![CDATA[A colourful random walk. The basic idea is very simple: choose a random heading in the range 0:360 degrees. Step... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/random-walk/">read more<span class="gridview-sr-only"> Random Walk</span></a></span>]]></description>
		
					<wfw:commentRss>https://tuxar.uk/random-walk/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>Turtle Star</title>
		<link>https://tuxar.uk/turtle-star/</link>
					<comments>https://tuxar.uk/turtle-star/#respond</comments>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Sat, 18 Apr 2015 15:26:01 +0000</pubDate>
				<category><![CDATA[Beginner]]></category>
		<category><![CDATA[Turtle]]></category>
		<category><![CDATA[color]]></category>
		<category><![CDATA[conditionals]]></category>
		<category><![CDATA[turtle]]></category>
		<category><![CDATA[while]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=71</guid>

					<description><![CDATA[A very simple Turtle program. Turtle can draw intricate shapes using programs that repeat simple moves. Turtle graphics is a... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/turtle-star/">read more<span class="gridview-sr-only"> Turtle Star</span></a></span>]]></description>
		
					<wfw:commentRss>https://tuxar.uk/turtle-star/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>Naive Mandelbrot Set</title>
		<link>https://tuxar.uk/naive-mandelbrot-set/</link>
					<comments>https://tuxar.uk/naive-mandelbrot-set/#respond</comments>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Fri, 17 Apr 2015 16:38:47 +0000</pubDate>
				<category><![CDATA[Basic]]></category>
		<category><![CDATA[Fractals]]></category>
		<category><![CDATA[color]]></category>
		<category><![CDATA[complex]]></category>
		<category><![CDATA[float]]></category>
		<category><![CDATA[for]]></category>
		<category><![CDATA[fractal]]></category>
		<category><![CDATA[loop]]></category>
		<category><![CDATA[modulo]]></category>
		<category><![CDATA[pillow]]></category>
		<category><![CDATA[pygame]]></category>
		<category><![CDATA[range]]></category>
		<category><![CDATA[RGB]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=53</guid>

					<description><![CDATA[This is your basic Mandelbrot Set plotter. Very little effort made to speed it up, except for plotting top &#38;... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/naive-mandelbrot-set/">read more<span class="gridview-sr-only"> Naive Mandelbrot Set</span></a></span>]]></description>
		
					<wfw:commentRss>https://tuxar.uk/naive-mandelbrot-set/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>Fractal Tree</title>
		<link>https://tuxar.uk/fractal-tree/</link>
					<comments>https://tuxar.uk/fractal-tree/#comments</comments>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Fri, 17 Apr 2015 14:28:33 +0000</pubDate>
				<category><![CDATA[Fractals]]></category>
		<category><![CDATA[Intermediate]]></category>
		<category><![CDATA[color]]></category>
		<category><![CDATA[colorsys]]></category>
		<category><![CDATA[cos]]></category>
		<category><![CDATA[events]]></category>
		<category><![CDATA[fractal]]></category>
		<category><![CDATA[HSV]]></category>
		<category><![CDATA[math]]></category>
		<category><![CDATA[pillow]]></category>
		<category><![CDATA[recursion]]></category>
		<category><![CDATA[RGB]]></category>
		<category><![CDATA[sin]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=49</guid>

					<description><![CDATA[This program draws a &#8216;tree&#8217; by drawing a trunk (initially; later it&#8217;s a branch) and appending a tree, recursively. Uses... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/fractal-tree/">read more<span class="gridview-sr-only"> Fractal Tree</span></a></span>]]></description>
		
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			<slash:comments>1</slash:comments>
		
		
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