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<channel>
	<title>graphics &#8211; Alan Richmond</title>
	<atom:link href="https://tuxar.uk/tag/graphics/feed/" rel="self" type="application/rss+xml" />
	<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>graphics &#8211; Alan Richmond</title>
	<link>https://tuxar.uk</link>
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	<item>
		<title>Multi-pendulum Harmonograph simulator using numpy and matplotlib</title>
		<link>https://tuxar.uk/multi-pendulum-harmonograph-simulator-using-numpy-and-matplotlib/</link>
					<comments>https://tuxar.uk/multi-pendulum-harmonograph-simulator-using-numpy-and-matplotlib/#comments</comments>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Thu, 22 Jun 2017 11:40:04 +0000</pubDate>
				<category><![CDATA[Harmonograph]]></category>
		<category><![CDATA[Pyplot]]></category>
		<category><![CDATA[graphics]]></category>
		<category><![CDATA[matplotlib]]></category>
		<category><![CDATA[numpy]]></category>
		<category><![CDATA[random]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=829</guid>

					<description><![CDATA[This is a simple harmonograph simulator to generate random-ish harmonographs. It asks for the number of pendulums, and exits if... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/multi-pendulum-harmonograph-simulator-using-numpy-and-matplotlib/">read more<span class="gridview-sr-only"> Multi-pendulum Harmonograph simulator using numpy and matplotlib</span></a></span>]]></description>
		
					<wfw:commentRss>https://tuxar.uk/multi-pendulum-harmonograph-simulator-using-numpy-and-matplotlib/feed/</wfw:commentRss>
			<slash:comments>2</slash:comments>
		
		
			</item>
		<item>
		<title>A Neural Network in Python, Part 2: activation functions, bias, SGD, etc.</title>
		<link>https://tuxar.uk/a-neural-network-in-python-part-2-activation-functions-bias-sgd-etc/</link>
					<comments>https://tuxar.uk/a-neural-network-in-python-part-2-activation-functions-bias-sgd-etc/#comments</comments>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Thu, 09 Feb 2017 14:38:43 +0000</pubDate>
				<category><![CDATA[Advanced]]></category>
		<category><![CDATA[Artificial Intelligence]]></category>
		<category><![CDATA[AI]]></category>
		<category><![CDATA[dict]]></category>
		<category><![CDATA[graphics]]></category>
		<category><![CDATA[lambda]]></category>
		<category><![CDATA[matplotlib]]></category>
		<category><![CDATA[matrices]]></category>
		<category><![CDATA[neural network]]></category>
		<category><![CDATA[numpy]]></category>
		<category><![CDATA[random]]></category>
		<category><![CDATA[sin]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=774</guid>

					<description><![CDATA[This is Part 2 of A Neural Network in Python, which was a very simple neural network to learn the... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/a-neural-network-in-python-part-2-activation-functions-bias-sgd-etc/">read more<span class="gridview-sr-only"> A Neural Network in Python, Part 2: activation functions, bias, SGD, etc.</span></a></span>]]></description>
		
					<wfw:commentRss>https://tuxar.uk/a-neural-network-in-python-part-2-activation-functions-bias-sgd-etc/feed/</wfw:commentRss>
			<slash:comments>1</slash:comments>
		
		
			</item>
		<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>Harmonograph in Pygame</title>
		<link>https://tuxar.uk/harmonograph-in-pygame/</link>
					<comments>https://tuxar.uk/harmonograph-in-pygame/#respond</comments>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Sat, 03 Oct 2015 11:14:09 +0000</pubDate>
				<category><![CDATA[Harmonograph]]></category>
		<category><![CDATA[graphics]]></category>
		<category><![CDATA[pygame]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=567</guid>

					<description><![CDATA[You may have seen those devices at the Science Museum or Exploratorium or Techniquest&#8230; There&#8217;s a drawing surface and some... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/harmonograph-in-pygame/">read more<span class="gridview-sr-only"> Harmonograph in Pygame</span></a></span>]]></description>
		
					<wfw:commentRss>https://tuxar.uk/harmonograph-in-pygame/feed/</wfw:commentRss>
			<slash:comments>0</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>
		
					<wfw:commentRss>https://tuxar.uk/stars-and-stripes/feed/</wfw:commentRss>
			<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>A Graphical Dice Simulator</title>
		<link>https://tuxar.uk/a-graphical-dice-simulator/</link>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Sun, 31 May 2015 14:07:07 +0000</pubDate>
				<category><![CDATA[Beginner]]></category>
		<category><![CDATA[Games]]></category>
		<category><![CDATA[conditionals]]></category>
		<category><![CDATA[graphics]]></category>
		<category><![CDATA[libraries]]></category>
		<category><![CDATA[modulo]]></category>
		<category><![CDATA[pygame]]></category>
		<category><![CDATA[random]]></category>
		<category><![CDATA[range]]></category>
		<category><![CDATA[RGB]]></category>
		<category><![CDATA[simulation]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=328</guid>

					<description><![CDATA[This PyGame program simulates the roll of a die (or dice if you prefer). It&#8217;s a fairly simple, straightforward thing... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/a-graphical-dice-simulator/">read more<span class="gridview-sr-only"> A Graphical Dice Simulator</span></a></span>]]></description>
		
		
		
			</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>Extensible Harmonograph</title>
		<link>https://tuxar.uk/extensible-harmonograph/</link>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Mon, 18 May 2015 13:35:54 +0000</pubDate>
				<category><![CDATA[Harmonograph]]></category>
		<category><![CDATA[Intermediate]]></category>
		<category><![CDATA[colorsys]]></category>
		<category><![CDATA[function]]></category>
		<category><![CDATA[graphics]]></category>
		<category><![CDATA[math]]></category>
		<category><![CDATA[random]]></category>
		<category><![CDATA[simulation]]></category>
		<category><![CDATA[turtle]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=273</guid>

					<description><![CDATA[Often seen in science museums, the harmonograph is a device that combines wave motions (e.g. from some pendulums) to move... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/extensible-harmonograph/">read more<span class="gridview-sr-only"> Extensible Harmonograph</span></a></span>]]></description>
		
		
		
			</item>
		<item>
		<title>Easy Graph Plotting with Pyplot</title>
		<link>https://tuxar.uk/easy-graph-plotting-with-pyplot/</link>
					<comments>https://tuxar.uk/easy-graph-plotting-with-pyplot/#comments</comments>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Thu, 07 May 2015 15:09:36 +0000</pubDate>
				<category><![CDATA[Basic]]></category>
		<category><![CDATA[Pyplot]]></category>
		<category><![CDATA[graphics]]></category>
		<category><![CDATA[import]]></category>
		<category><![CDATA[libraries]]></category>
		<category><![CDATA[matplotlib]]></category>
		<category><![CDATA[numpy]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=133</guid>

					<description><![CDATA[Graphs (also known as charts) are an indispensible visual aid for conveying a lot of data in an easy-to-digest form.... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/easy-graph-plotting-with-pyplot/">read more<span class="gridview-sr-only"> Easy Graph Plotting with Pyplot</span></a></span>]]></description>
		
					<wfw:commentRss>https://tuxar.uk/easy-graph-plotting-with-pyplot/feed/</wfw:commentRss>
			<slash:comments>1</slash:comments>
		
		
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