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  <channel>
    <title>MaplePrimes - comments on Post, Canadian Flag</title>
    <link>http://www.mapleprimes.com/posts/35682-Canadian-Flag</link>
    <language>en-us</language>
    <copyright>2026 Maplesoft, A Division of Waterloo Maple Inc.</copyright>
    <generator>Maplesoft Document System</generator>
    <lastBuildDate>Tue, 09 Jun 2026 17:23:48 GMT</lastBuildDate>
    <pubDate>Tue, 09 Jun 2026 17:23:48 GMT</pubDate>
    <itunes:subtitle />
    <itunes:summary />
    <description>The latest comments added to the Post, Canadian Flag</description>
    <image>
      <url>http://www.mapleprimes.com/images/mapleprimeswhite.jpg</url>
      <title>MaplePrimes - comments on Post, Canadian Flag</title>
      <link>http://www.mapleprimes.com/posts/35682-Canadian-Flag</link>
    </image>
    <item>
      <title>Canadian flag</title>
      <link>http://www.mapleprimes.com/posts/35682-Canadian-Flag?ref=Feed:MaplePrimes:Canadian Flag:Comments#comment44698</link>
      <itunes:summary>&lt;p&gt;That's a rather funky Maple leaf.&amp;nbsp; Here's a more standard flag.&amp;nbsp; It requires Standard GUI (because Classic doesn't fill polygons properly).&lt;/p&gt;
&lt;pre&gt;&amp;gt; with(plots):with(plottools):
  G1:= (p1,p2) -&amp;gt; arccos(.3/sqrt((p1[1]-p2[1])^2 + (p1[2]-p2[2])^2)) + arctan(p2[2]-p1[2],p2[1]-p1[1]):
  G2:= (p1,p2) -&amp;gt; -arccos(.3/sqrt((p1[1]-p2[1])^2 + (p1[2]-p2[2])^2)) + arctan(p2[2]-p1[2],p2[1]-p1[1]):
  C:=[31.5,2],[32.5,2], 
    op(op(arc([32.5,8], .3,  G2([32.5,8],[32.5,2])+2*Pi.. G1([32.5,8],[39,7.5])))),
    [39,7.5],
    op(op(arc([38.3,9.5],.3, G2([38.3,9.5],[39,7.5])+2*Pi .. G1([38.3,9.5],[44.6,15])))),
    [44.6,15],
    op(op(arc([43.3,16.1],.3, G2([43.3,16.1],[44.6,15])+2*Pi .. G1([43.3,16.1],[44.1,20.1])))),
    [44.1,20.1],
    op(op(arc([40.5,20],.3, G2([40.5,20],[44.1,20.1])+2*Pi .. G1([40.5,20],[39.5,21.5])))),
    [39.5,21.5],
    op(op(arc([35.8,18.3],.3,G2([35.8,18.3],[39.5,21.5])+2*Pi .. G1([35.8,18.3],[37,25.5])))),
    [37,25.5],
    op(op(arc([34.3,24.9],.3,G2([34.3,24.9],[37,25.5])+2*Pi .. G1([34.3,24.9],[32,29])))),
    [32,29]:
  C:= C,op(ListTools[Reverse](map(t -&amp;gt; [64-t[1],t[2]], [C]))):
  display([POLYGONS([C],COLOUR(RGB,1,0,0)),
    rectangle([0,0],[16,32],colour=red),
    rectangle([48,0],[64,32],colour=red),
    curve([[0,0],[64,0],[64,32],[0,32],[0,0]])],scaling=constrained,axes=none);
&lt;/pre&gt;
&lt;p&gt;&lt;span&gt;&lt;img src="http://www.mapleprimes.com/files/4541_flag.jpg" alt="" width="600" height="300" /&gt;&lt;/span&gt;&lt;/p&gt;</itunes:summary>
      <description>The latest comments added to the Post, Canadian Flag</description>
      <guid>44698</guid>
      <pubDate>Mon, 22 Feb 2010 02:01:50 Z</pubDate>
      <itunes:author>Robert Israel</itunes:author>
      <author>Robert Israel</author>
    </item>
    <item>
      <title>I tend to agree with you</title>
      <link>http://www.mapleprimes.com/posts/35682-Canadian-Flag?ref=Feed:MaplePrimes:Canadian Flag:Comments#comment44699</link>
      <itunes:summary>&lt;p&gt;I tend to agree with you Robert. My flag (or more specifically Andre Heck's flag) look more like a marijuana leaf&lt;br /&gt;
compared to your flag ha ha.  I hope the people of canada was not insulted too much&amp;nbsp; :-)&lt;/p&gt;</itunes:summary>
      <description>The latest comments added to the Post, Canadian Flag</description>
      <guid>44699</guid>
      <pubDate>Mon, 22 Feb 2010 02:44:31 Z</pubDate>
      <itunes:author>alex_01</itunes:author>
      <author>alex_01</author>
    </item>
    <item>
      <title>Another Flag</title>
      <link>http://www.mapleprimes.com/posts/35682-Canadian-Flag?ref=Feed:MaplePrimes:Canadian Flag:Comments#comment44700</link>
      <itunes:summary>&lt;p&gt;Here is the Swedish flag or at least something that resembles it .&lt;br /&gt; &lt;img src="file:///C:/Users/Marcus/AppData/Local/Temp/moz-screenshot-7.png" alt="" /&gt;&lt;img src="file:///C:/Users/Marcus/AppData/Local/Temp/moz-screenshot-8.png" alt="" /&gt;&lt;br /&gt; restart: &lt;br /&gt; with(plots):&lt;br /&gt; with(plottools):&lt;br /&gt; &lt;br /&gt; display({rectangle([0, 2], [6, 1.5], color = yellow), rectangle([0, 1.5], [2, 0], color = blue), rectangle([0, 3.5], [2, 2], color = blue), rectangle([2, 0], [2.5, 3.5], color = yellow), rectangle([2.5, 2], [6, 3.5], color = blue), rectangle([2.5, 1.5], [6, 0], color = blue)}, axes = none);&lt;/p&gt;
&lt;p&gt;&lt;span&gt;&lt;img src="http://www.mapleprimes.com/files/8342_Swe.jpg" alt="" width="346" height="232" /&gt;&lt;/span&gt;&lt;/p&gt;</itunes:summary>
      <description>The latest comments added to the Post, Canadian Flag</description>
      <guid>44700</guid>
      <pubDate>Mon, 22 Feb 2010 03:09:42 Z</pubDate>
      <itunes:author>alex_01</itunes:author>
      <author>alex_01</author>
    </item>
    <item>
      <title>Another Flag</title>
      <link>http://www.mapleprimes.com/posts/35682-Canadian-Flag?ref=Feed:MaplePrimes:Canadian Flag:Comments#comment44701</link>
      <itunes:summary>&lt;p&gt;Here is the German flag &lt;br /&gt; &lt;br /&gt; &lt;img src="file:///C:/Users/Marcus/AppData/Local/Temp/moz-screenshot-9.png" alt="" /&gt;restart: &lt;br /&gt; with(plots): &lt;br /&gt; with(plottools): &lt;br /&gt; &lt;br /&gt; display({rectangle([0, 1], [6, 0], color = yellow), rectangle([0, 2], [6, 1], color = red), rectangle([0, 2], [6, 3], color = black)}, axes = none);&lt;br /&gt; &amp;nbsp;&lt;/p&gt;
&lt;p&gt;&lt;span&gt;&lt;img src="http://www.mapleprimes.com/files/8342_Germany.jpg" alt="" width="269" height="152" /&gt;&lt;/span&gt;&lt;/p&gt;</itunes:summary>
      <description>The latest comments added to the Post, Canadian Flag</description>
      <guid>44701</guid>
      <pubDate>Mon, 22 Feb 2010 03:34:32 Z</pubDate>
      <itunes:author>alex_01</itunes:author>
      <author>alex_01</author>
    </item>
    <item>
      <title>Another Flag</title>
      <link>http://www.mapleprimes.com/posts/35682-Canadian-Flag?ref=Feed:MaplePrimes:Canadian Flag:Comments#comment44702</link>
      <itunes:summary>&lt;p&gt;Here is the Italian flag&lt;br /&gt; &lt;br /&gt; &lt;img src="file:///C:/Users/Marcus/AppData/Local/Temp/moz-screenshot-10.png" alt="" /&gt;restart: &lt;br /&gt; with(plots): &lt;br /&gt; with(plottools): &lt;br /&gt; &lt;br /&gt; display({rectangle([0, 3], [2, 0], color = "DarkGreen"), rectangle([2, 3], [4, 0], color = white), rectangle([4, 3], [6, 0], color = red)}, axes = none);&lt;br /&gt; &lt;br /&gt; &lt;span&gt;&lt;img src="http://www.mapleprimes.com/files/8342_Italy.jpg" alt="" width="315" height="237" /&gt;&lt;/span&gt;&lt;/p&gt;</itunes:summary>
      <description>The latest comments added to the Post, Canadian Flag</description>
      <guid>44702</guid>
      <pubDate>Mon, 22 Feb 2010 03:50:21 Z</pubDate>
      <itunes:author>alex_01</itunes:author>
      <author>alex_01</author>
    </item>
    <item>
      <title>Another Flag</title>
      <link>http://www.mapleprimes.com/posts/35682-Canadian-Flag?ref=Feed:MaplePrimes:Canadian Flag:Comments#comment44703</link>
      <itunes:summary>&lt;p&gt;This will be the last flag for me today. Feel free to add more flags to this blog post if you feel like it :-) &lt;br /&gt; &lt;br /&gt; Here is the French flag&lt;br /&gt; &lt;br /&gt; &lt;img src="file:///C:/Users/Marcus/AppData/Local/Temp/moz-screenshot-11.png" alt="" /&gt;&lt;img src="file:///C:/Users/Marcus/AppData/Local/Temp/moz-screenshot-12.png" alt="" /&gt;restart: &lt;br /&gt; with(plots): &lt;br /&gt; with(plottools): &lt;br /&gt; &lt;br /&gt; display({rectangle([0, 3], [2, 0], color = "DarkBlue"), rectangle([2, 3], [4, 0], color = white), rectangle([4, 3], [6, 0], color = red)}, axes = none);&lt;/p&gt;
&lt;p&gt;&lt;span&gt;&lt;img src="http://www.mapleprimes.com/files/8342_France.jpg" alt="" width="297" height="205" /&gt;&lt;/span&gt;&lt;/p&gt;</itunes:summary>
      <description>The latest comments added to the Post, Canadian Flag</description>
      <guid>44703</guid>
      <pubDate>Mon, 22 Feb 2010 04:00:51 Z</pubDate>
      <itunes:author>alex_01</itunes:author>
      <author>alex_01</author>
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