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	<title>PIPRIME.FR &#187; Path Orientation</title>
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		<title>Orientation of a closed path with Asymptote &#8211; fig0040</title>
		<link>http://www.piprime.fr/860/orientation-of-a-closed-path-with-asymptote-fig0040/</link>
		<comments>http://www.piprime.fr/860/orientation-of-a-closed-path-with-asymptote-fig0040/#comments</comments>
		<pubDate>Thu, 01 Nov 2007 22:36:44 +0000</pubDate>
		<dc:creator>Ph. Ivaldi</dc:creator>
				<category><![CDATA[Asymptote]]></category>
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		<description><![CDATA[You may view all the posts of the category "Path Orientation" (Compiled with Asymptote version 1.84svn-r4619) // Use of the windingnumber works also for CROSSED curves size(8cm,10cm,false); import math; bool counterclockwise(path g) { // Return "true" if "g" is counterclockwise // Retounre "true" si "g" est dans le sens contraire des aiguilles d'une montre return [...]]]></description>
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		<title>Orientation of a closed path with Asymptote &#8211; fig0030</title>
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		<pubDate>Thu, 01 Nov 2007 21:36:44 +0000</pubDate>
		<dc:creator>Ph. Ivaldi</dc:creator>
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		<description><![CDATA[You may view all the posts of the category "Path Orientation" (Compiled with Asymptote version 1.84svn-r4619) // Use of the native windingnumber Asymptote routine // this is the most fast and robust. // Utilisation du nombre d'enroulement avec la routine native windingnumber d'Asymptote // c'est plus rapide et plus robuste. /* Explanations are here: http://mathworld.wolfram.com/ContourWindingNumber.html [...]]]></description>
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		<title>Orientation of a closed path with Asymptote &#8211; fig0020</title>
		<link>http://www.piprime.fr/858/orientation-of-a-closed-path-with-asymptote-fig0020/</link>
		<comments>http://www.piprime.fr/858/orientation-of-a-closed-path-with-asymptote-fig0020/#comments</comments>
		<pubDate>Thu, 01 Nov 2007 20:36:44 +0000</pubDate>
		<dc:creator>Ph. Ivaldi</dc:creator>
				<category><![CDATA[Asymptote]]></category>
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		<description><![CDATA[You may view all the posts of the category "Path Orientation" (Compiled with Asymptote version 1.84svn-r4619) size(6cm); bool counterclockwise(path g, int n=10^3) { // Return "true" if "g" (SIMPLE CURVE i.e. NON CROSSED) is counterclockwise // Retounre "true" si "g" (NON CROISÉ) est dans le sens contraire des aiguilles d'une montre if (!cyclic(g) &#124;&#124; length(g)==0) [...]]]></description>
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		<title>Orientation of a closed path with Asymptote &#8211; fig0010</title>
		<link>http://www.piprime.fr/857/orientation-of-a-closed-path-with-asymptote-fig0010/</link>
		<comments>http://www.piprime.fr/857/orientation-of-a-closed-path-with-asymptote-fig0010/#comments</comments>
		<pubDate>Thu, 01 Nov 2007 19:36:44 +0000</pubDate>
		<dc:creator>Ph. Ivaldi</dc:creator>
				<category><![CDATA[Asymptote]]></category>
		<category><![CDATA[Path Orientation]]></category>
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		<description><![CDATA[You may view all the posts of the category "Path Orientation" (Compiled with Asymptote version 1.84svn-r4619) /* About the used algorithms look at: http://cgafaq.info/wiki/Simple_Polygon_Orientation */ size(8cm, false); real signedArea(pair [] pt) { // Return the signed area of a simple (NON CROSSED) polygon of vertex "pt" // Retourne l'aire algébrique d'un polygone NON CROIÉ pair [...]]]></description>
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