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	<title>Thomas Fischer&#039;s Weblog</title>
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	<description>Life, Linux, LaTeX</description>
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		<title>Thomas Fischer&#039;s Weblog</title>
		<link>http://tfischernet.wordpress.com</link>
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			<item>
		<title>Reiten auf Islandpferden</title>
		<link>http://tfischernet.wordpress.com/2009/10/25/reiten-auf-islandpferden/</link>
		<comments>http://tfischernet.wordpress.com/2009/10/25/reiten-auf-islandpferden/#comments</comments>
		<pubDate>Sun, 25 Oct 2009 16:29:38 +0000</pubDate>
		<dc:creator>Thomas Fischer</dc:creator>
				<category><![CDATA[Schweden]]></category>
		<category><![CDATA[islandpferde]]></category>
		<category><![CDATA[isländer]]></category>
		<category><![CDATA[kyrkekvarn]]></category>
		<category><![CDATA[reiten]]></category>

		<guid isPermaLink="false">http://tfischernet.wordpress.com/?p=341</guid>
		<description><![CDATA[Vor zwei Wochen war ich mit Freundin und Bekannten auf einer Reittour mit Islandpferden. Wie auf Wikipedia beschrieben und was ich auch bestätigen kann, sind diese Pferde schön ruhig, nicht zu groß und lassen sich auch ohne Erfahrung reiten.
An besagtem Reitsonntag sind wir zu viert nach Kyrkekvarn zu einem Reithof gefahren und haben eine 2-Stunden-Tour [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tfischernet.wordpress.com&blog=5193812&post=341&subd=tfischernet&ref=&feed=1" />]]></description>
			<content:encoded><![CDATA[<div class='snap_preview'><br /><p>Vor zwei Wochen war ich mit Freundin und Bekannten auf einer Reittour mit <a href="http://de.wikipedia.org/wiki/Islandpferd">Islandpferden</a>. Wie auf Wikipedia beschrieben und was ich auch bestätigen kann, sind diese Pferde schön ruhig, nicht zu groß und lassen sich auch ohne Erfahrung reiten.</p>
<p>An besagtem Reitsonntag sind wir zu viert nach <a href="http://www.openstreetmap.org/?lat=57.99484&amp;lon=13.85101&amp;zoom=16&amp;layers=B000FTF">Kyrkekvarn</a> zu einem <a href="http://www.kyrkekvarn.com/">Reithof</a> gefahren und haben eine 2-Stunden-Tour gebucht. Am Stall angekommen, mussten wir uns erstmal Ausrüstung (Helm) aus dem Lager aussuchen und vor dem Tor aufstellen. Von einer der Tourleiterinnen wurde uns der Umgang mit Pferden erklärt, wie man Sattel und Saum einstellt und auf das Pferd auf- und absteigt. Jeder von uns wurde zu einem passenden Pferd im Stall eingeteilt und durfte es nach draußen führen. Nachdem alle aufgestiegen und alle Gurte überprüft waren, durften wir zum &#8220;Aufwärmen&#8221; in einer kleinen Koppel im Kreis reiten um etwas Gefühl für das Tier zu bekommen.</p>
<p>Danach ging es los in die Berge. Zwischendurch wurde immer wieder Halt gemacht, um einige Dinge zu erklären, z.B. die Gangarten. Eine Besonderheit von Islandpferden ist ihre Fähigkeit zum <a href="http://de.wikipedia.org/w/index.php?title=Tölt">Tölt</a>, eine Gangart, die einen ruhigen Ritt erlauben soll. Ich bin mir aber nicht sicher, ob das bei mir so richtig funktioniert hat, bin trotzdem gut durchgeschüttelt worden&#8230; <img src='http://s.wordpress.com/wp-includes/images/smilies/icon_wink.gif' alt=';-)' class='wp-smiley' /> </p>
<p>Da die gesamte Reittruppe aus ca. 15–20 Leute bestand, sind wir als eine lange Kette geritten. Mein Pferd („Blakkur“) kannte die Ausflugsroute schon sehr gut und ist praktisch ohne Lenken der Strecke gefolgt. Auf den Strecken, wo wir galoppieren durften, ist das Pferd von alleine losgerannt.</p>
<p>Etwa auf halber Strecke wurde Rast eingelegt mit Tee/Kaffee und belegten Broten. Für die Pferde gab es Knäckebrot. Danach wurde die Gruppe in eine &#8220;langsame&#8221; und eine &#8220;schnelle&#8221; Hälfte aufgeteilt. Als Anfänger sollte ich in der langsamen Gruppe bleiben, aber mein Pferd wollte unbedingt bei der schnellen Gruppe (zuerst weitergeritten) dabei sein. Nur mit kräftigen Zerren ließ es sich zum Warten überreden.</p>
<p>Auf dem Rückweg, überwiegend bergab, hatte man einen schönen Überblick über die Umgebung, trotz des leichten Regens, der dann einsetzte. Zurück am Stall mussten die Pferde versorgt, Zaumzeug abgemacht, gereinigt und ins Lager gebracht werden. Mit dem Wetter hatten wir insgesamt Glück, erst auf der Rückfahrt setzte der Wolkenbruch ein.</p>
<p>Insgesamt ein schöner Ausflug, kann ich jedem Schweden-Touristen wärmstens empfehlen.</p>
<p>Unten die <a href="http://www.informationfreeway.org/?lat=58.1107605251607&amp;lon=13.798505101668194&amp;zoom=9&amp;layers=B0000F000F">Karte</a> zeigt meinen GPS-Trace von der Reittour. Leider habe ich das Gerät erst ab der Rast eingeschaltet, daher fehlt die erste Tourhälfte.</p>
<div id="attachment_352" class="wp-caption aligncenter" style="width: 310px"><a href="http://tfischernet.files.wordpress.com/2009/10/kyrkekvarn_map2.png"><img src="http://tfischernet.files.wordpress.com/2009/10/kyrkekvarn_map2.png?w=300&#038;h=300" alt="Kyrekvarn (medium scale, Västra Götaland, Skövde and Jönköping)" title="Kyrkekvarn (medium scale)" width="300" height="300" class="size-medium wp-image-352" /></a><p class="wp-caption-text">Kyrekvarn (medium scale, Västra Götaland, Skövde and Jönköping)</p></div>
<p>Natürlich dürfen die obligatorischen Fotos nicht fehlen. Leider sind nicht alle Fotos auf Grund der wackligen und dunklen Bedingungen scharf geworden.</p>
<p><a href="http://tfischernet.files.wordpress.com/2009/10/kyrkekvarn-reiten-01.jpg"><img style="border:1px solid #ccc;margin:1ex;padding:1ex;" src="http://tfischernet.files.wordpress.com/2009/10/kyrkekvarn-reiten-01.jpg?w=207&#038;h=300" alt="Auf einem Pferd (1)" title="Auf einem Pferd (1)" width="207" height="300" class="alignleft size-medium wp-image-366" /></a><a href="http://tfischernet.files.wordpress.com/2009/10/kyrkekvarn-reiten-02.jpg"><img style="border:1px solid #ccc;margin:1ex;padding:1ex;" src="http://tfischernet.files.wordpress.com/2009/10/kyrkekvarn-reiten-02.jpg?w=300&#038;h=195" alt="Neben einem Pferd (1)" title="Neben einem Pferd (1)" width="300" height="195" class="alignleft size-medium wp-image-367" /></a><a href="http://tfischernet.files.wordpress.com/2009/10/kyrkekvarn-reiten-03.jpg"><img style="border:1px solid #ccc;margin:1ex;padding:1ex;" src="http://tfischernet.files.wordpress.com/2009/10/kyrkekvarn-reiten-03.jpg?w=300&#038;h=278" alt="Auf einem Pferd (2)" title="Auf einem Pferd (2)" width="300" height="278" class="alignleft size-medium wp-image-368" /></a><a href="http://tfischernet.files.wordpress.com/2009/10/kyrkekvarn-reiten-04.jpg"><img style="border:1px solid #ccc;margin:1ex;padding:1ex;" src="http://tfischernet.files.wordpress.com/2009/10/kyrkekvarn-reiten-04.jpg?w=271&#038;h=300" alt="Auf einem Pferd (3)" title="Auf einem Pferd (3)" width="271" height="300" class="alignleft size-medium wp-image-370" /></a><a href="http://tfischernet.files.wordpress.com/2009/10/kyrkekvarn-reiten-05.jpg"><img style="border:1px solid #ccc;margin:1ex;padding:1ex;" src="http://tfischernet.files.wordpress.com/2009/10/kyrkekvarn-reiten-05.jpg?w=300&#038;h=242" alt="Neben einem Pferd (2)" title="Neben einem Pferd (2)" width="300" height="242" class="alignleft size-medium wp-image-371" /></a></p>
Posted in Schweden Tagged: islandpferde, isländer, kyrkekvarn, reiten <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gocomments/tfischernet.wordpress.com/341/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/comments/tfischernet.wordpress.com/341/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godelicious/tfischernet.wordpress.com/341/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/delicious/tfischernet.wordpress.com/341/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gostumble/tfischernet.wordpress.com/341/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/stumble/tfischernet.wordpress.com/341/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godigg/tfischernet.wordpress.com/341/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/digg/tfischernet.wordpress.com/341/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/goreddit/tfischernet.wordpress.com/341/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/reddit/tfischernet.wordpress.com/341/" /></a> <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tfischernet.wordpress.com&blog=5193812&post=341&subd=tfischernet&ref=&feed=1" /></div>]]></content:encoded>
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			<media:title type="html">Kyrkekvarn (medium scale)</media:title>
		</media:content>

		<media:content url="http://tfischernet.files.wordpress.com/2009/10/kyrkekvarn-reiten-01.jpg?w=207" medium="image">
			<media:title type="html">Auf einem Pferd (1)</media:title>
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			<media:title type="html">Neben einem Pferd (1)</media:title>
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			<media:title type="html">Auf einem Pferd (2)</media:title>
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			<media:title type="html">Auf einem Pferd (3)</media:title>
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		<item>
		<title>Waltag</title>
		<link>http://tfischernet.wordpress.com/2009/09/22/waltag/</link>
		<comments>http://tfischernet.wordpress.com/2009/09/22/waltag/#comments</comments>
		<pubDate>Tue, 22 Sep 2009 20:02:56 +0000</pubDate>
		<dc:creator>Thomas Fischer</dc:creator>
				<category><![CDATA[Society]]></category>
		<category><![CDATA[bundestagswahl]]></category>
		<category><![CDATA[wahl-o-mat]]></category>
		<category><![CDATA[wahltag]]></category>
		<category><![CDATA[waltag]]></category>

		<guid isPermaLink="false">http://tfischernet.wordpress.com/?p=326</guid>
		<description><![CDATA[
Aus aktuellem Anlass möchte ich auf den Wahltag am kommenden Sonntag hinweisen. Wer noch nicht so wie ich per Briefwahl abgestimmt hat, kann also noch dem großen Moment des Kreuzchen-machens entgegenfiebern.
Wer sich noch nicht sicher ist, was er wählen soll, sollte sich in der Parteienlandschaft außerhalb der &#8220;großen&#8221; Parteien umschauen. Bei mehr als 10 weiteren [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tfischernet.wordpress.com&blog=5193812&post=326&subd=tfischernet&ref=&feed=1" />]]></description>
			<content:encoded><![CDATA[<div class='snap_preview'><br /><p style="text-align:center;"><img src="http://tfischernet.files.wordpress.com/2009/09/waltag.png?w=536&#038;h=127" alt="Waltag" title="Waltag" width="536" height="127" style="border:none;" /></p>
<p>Aus aktuellem Anlass möchte ich auf den Wahltag am kommenden Sonntag hinweisen. Wer noch nicht so wie ich per Briefwahl abgestimmt hat, kann also noch dem großen Moment des Kreuzchen-machens entgegenfiebern.</p>
<p>Wer sich noch nicht sicher ist, was er wählen soll, sollte sich in der Parteienlandschaft außerhalb der &#8220;großen&#8221; Parteien umschauen. Bei mehr als 10 <a href="http://www.bundeswahlleiter.de/de/bundestagswahlen/BTW_BUND_09/zugelassene_parteien/">weiteren Parteien</a> für die Zweistimme sollte sich eigentlich für jeden etwas finden. Gerade für computer-affine Bürger hat sich in den letzten Monaten eine <a href="http://klarmachen-zum-aendern.de/">Alternative</a> entwickelt. Stimmen für kleine Parteien sind übrigens keine verschenkten Stimmen, da Parteien pro erhaltene Stimme <a href="http://de.wikipedia.org/wiki/Parteienfinanzierung#Finanzierung_aus_staatlichen_Mitteln">Geld vom Staat</a> bekommen können.</p>
<p>Hilfe bei der Entscheidungsfindung bietet übrigens die Bundeszentrale für politische Bildung (kennen einige von uns sicher noch von den Heftchen aus dem Gemeinschaftskundeunterricht) mit ihrem <a href="http://www.wahl-o-mat.de/bundestagswahl2009/">Wahl-O-Mat</a>.</p>
<p>Tip: Wenn keiner der Kandidaten der Erststimme zusagt (insbesondere keiner der beiden großen Blockparteien), kann die Erststimme auch getrennt von der Zweitstimme ungültig gemacht werden (z.B. durch Durchstreichen).</p>
Posted in Society Tagged: bundestagswahl, wahl-o-mat, wahltag, waltag <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gocomments/tfischernet.wordpress.com/326/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/comments/tfischernet.wordpress.com/326/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godelicious/tfischernet.wordpress.com/326/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/delicious/tfischernet.wordpress.com/326/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gostumble/tfischernet.wordpress.com/326/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/stumble/tfischernet.wordpress.com/326/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godigg/tfischernet.wordpress.com/326/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/digg/tfischernet.wordpress.com/326/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/goreddit/tfischernet.wordpress.com/326/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/reddit/tfischernet.wordpress.com/326/" /></a> <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tfischernet.wordpress.com&blog=5193812&post=326&subd=tfischernet&ref=&feed=1" /></div>]]></content:encoded>
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			<media:title type="html">Waltag</media:title>
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		<item>
		<title>Automatic AdBlock filter list updates in Konqueror</title>
		<link>http://tfischernet.wordpress.com/2009/08/05/automatic-adblock-filter-list-updates-in-konqueror/</link>
		<comments>http://tfischernet.wordpress.com/2009/08/05/automatic-adblock-filter-list-updates-in-konqueror/#comments</comments>
		<pubDate>Wed, 05 Aug 2009 22:08:41 +0000</pubDate>
		<dc:creator>Thomas Fischer</dc:creator>
				<category><![CDATA[KDE]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[adblock]]></category>
		<category><![CDATA[khtml]]></category>
		<category><![CDATA[konqueror]]></category>

		<guid isPermaLink="false">http://tfischernet.wordpress.com/?p=310</guid>
		<description><![CDATA[As a KDE user, Konqueror is my favorite browser. It offers smooth integration into KDE, both in looks and features (e.g. using the Okular part to view PDFs). Its rendering engine is so good that it was forked into WebKit used in Apple&#8217;s Safari and Qt. One aspect Konqueror lacks in comparison to Firefox, though, [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tfischernet.wordpress.com&blog=5193812&post=310&subd=tfischernet&ref=&feed=1" />]]></description>
			<content:encoded><![CDATA[<div class='snap_preview'><br /><p>As a <a href="http://www.kde.org">KDE</a> <a href="http://userbase.kde.org/">user</a>, <a href="http://konqueror.kde.org/">Konqueror</a> is my favorite browser. It offers smooth integration into KDE, both in looks and features (e.g. using the <a href="http://okular.kde.org/">Okular</a> <a href="http://techbase.kde.org/Development/Architecture/KDE4/KParts">part</a> to view PDFs). Its rendering engine is so good that it was forked into <a href="http://webkit.org/">WebKit</a> used in <a href="http://developer.apple.com/opensource/internet/webkit.html">Apple&#8217;s Safari</a> and <a href="http://doc.trolltech.com/4.4/qtwebkit.html">Qt</a>. One aspect Konqueror lacks in comparison to <a href="http://www.mozilla.com/firefox">Firefox</a>, though, is the support of <a href="https://addons.mozilla.org/en-US/firefox/">plugins/addons</a> of all kinds to add more features to the browser. There is a set of <a href="https://addons.mozilla.org/en-US/firefox/browse/type:1/cat:12">security and privacy enhancing plugins for Firefox</a> I use myself and recommend to others. One of them is <a href="https://addons.mozilla.org/en-US/firefox/addon/1865">AdBlock Plus</a> which uses a well-maintained list of URLs to block if you want to experience the net with less annoyance.</p>
<p>On the other side, Konqueror has a similar adblocking functionality built-in since <a href="http://kde.org/announcements/visualguide-3.5.php">KDE 3.5</a> (late 2005). In the configuration dialog, users can add fragments or regular expressions of URLs to be blocked. Maintaining such a list yourself is quite cumbersome, especially if you have accounts on several computers. At least since March 2007 there has been a <a href="https://bugs.kde.org/show_bug.cgi?id=143495">feature request</a> in <a href="https://bugs.kde.org/">KDE&#8217;s bug tracking system</a> to add an automatic updater to Konqueror&#8217;s ad-filtering.</p>
<p>Last weekend, I started to scratch the itch and implemented an automatic filter list updater. Luckily, the internal format of AdBlock entries in Konqueror matches the one use by <a href="http://adblockplus.org/">AdBlock Plus</a>, except that some <a href="http://adblockplus.org/en/filters#elemhide_basic">advanced features</a> are not (yet) supported. Based on the then-current KDE 4.2.4 code I made changes to both <a href="http://api.kde.org/4.2-api/kdelibs-apidocs/">kdelibs</a> and kdebase. The former one contains the <a href="http://api.kde.org/4.2-api/kdelibs-apidocs/khtml/html/">KHTML component</a> including the actual filter, the latter contains the code for Konqueror&#8217;s settings GUI.</p>
<p>The <a href="https://bugs.kde.org/attachment.cgi?id=35762">changes I made to kdelibs</a> work as follows: Read the khtmlrc configuration file to get a list of filter files following the format used by AdBlock Plus. My <a href="https://bugs.kde.org/attachment.cgi?id=35778">example configuration file</a> contains several lists from <a href="https://easylist.adblockplus.org/">easylist.adblock.org</a>. The filter list files are downloaded and cached if no local copy is available or if it is outdated. Each filter list file is loaded and added to Konqueror&#8217;s current filter list each time the browser is started. The user-configured filter list is not modified, as the changes occur in memory only.</p>
<p>If you edit your khtmlrc manually to add new filter lists, this works already fine without GUI. For a better usability experience, I modified Konqueror&#8217;s settings dialog so that users can select from a list of preconfigured filter lists (currently, all lists from EasyList) which to actually use. Additionally, the time interval to refresh the lists can be configured.</p>
<p><a href="http://tfischernet.files.wordpress.com/2009/08/adblock1.png"><img src="http://tfischernet.files.wordpress.com/2009/08/adblock1.png?w=300&#038;h=188" alt="Manual filter in Konqueror&#39;s AdBlock" title="Manual filter in Konqueror&#39;s AdBlock" width="300" height="188" class="size-medium wp-image-314" /></a><a href="http://tfischernet.files.wordpress.com/2009/08/adblock2.png"><img src="http://tfischernet.files.wordpress.com/2009/08/adblock2.png?w=300&#038;h=188" alt="Automatic filter in Konqueror&#39;s AdBlock" title="Automatic filter in Konqueror&#39;s AdBlock" width="300" height="188" class="size-medium wp-image-315" /></a></p>
<p>I refrained from adding an option to add, modify or delete list entries in the GUI. This is simply for two reasons: (1) Users may tend to enter filter lists that do not follow the format (e.g. from other adblocking filter sites) and (2) the list of available filter lists does not change that often that it cannot be changed in the next monthly update of KDE. If users are eager to add more lists not officially approved, they can still edit their configuration files manually.</p>
<p>All patches and an example configuration file are available from <a href="https://bugs.kde.org/show_bug.cgi?id=143495">bug report 143495</a> in KDE&#8217;s bug tracking system. If you have constructive suggestions, please <a href="https://bugs.kde.org/show_bug.cgi?id=143495">add you comments to the bug report</a> (do not post comments in this blog, that won&#8217;t help). To support the patch in getting approved and added to the official code base, <a href="https://bugs.kde.org/votes.cgi?action=show_user&amp;bug_id=143495#vote_143495">vote for the bug</a> (login required).</p>
Posted in KDE, Linux Tagged: adblock, khtml, konqueror <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gocomments/tfischernet.wordpress.com/310/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/comments/tfischernet.wordpress.com/310/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godelicious/tfischernet.wordpress.com/310/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/delicious/tfischernet.wordpress.com/310/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gostumble/tfischernet.wordpress.com/310/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/stumble/tfischernet.wordpress.com/310/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godigg/tfischernet.wordpress.com/310/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/digg/tfischernet.wordpress.com/310/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/goreddit/tfischernet.wordpress.com/310/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/reddit/tfischernet.wordpress.com/310/" /></a> <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tfischernet.wordpress.com&blog=5193812&post=310&subd=tfischernet&ref=&feed=1" /></div>]]></content:encoded>
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			<media:title type="html">Manual filter in Konqueror&#39;s AdBlock</media:title>
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			<media:title type="html">Automatic filter in Konqueror&#39;s AdBlock</media:title>
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		<title>Mittsommer in Schweden</title>
		<link>http://tfischernet.wordpress.com/2009/06/22/mittsommer-in-schweden/</link>
		<comments>http://tfischernet.wordpress.com/2009/06/22/mittsommer-in-schweden/#comments</comments>
		<pubDate>Mon, 22 Jun 2009 22:02:13 +0000</pubDate>
		<dc:creator>Thomas Fischer</dc:creator>
				<category><![CDATA[Schweden]]></category>
		<category><![CDATA[Skövde]]></category>

		<guid isPermaLink="false">http://tfischernet.wordpress.com/?p=288</guid>
		<description><![CDATA[Am vergangenen Wochenende war Mittsommer hier in Schweden. Anders als in Deutschland hat Mittsommer (schwed. Midsommar) hier Feiertagscharakter, was man spätestens daran merkt, daß Geschäfte, die eigentlich immer offen haben*, plötzlich erst später aufmachen.
Nun, wir haben die Gelegenheit genutzt, eine kleine Nachtwanderung auf den Hausberg Billingen zu machen.
Die drei folgenden Bilder zeigen den gleichen See [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tfischernet.wordpress.com&blog=5193812&post=288&subd=tfischernet&ref=&feed=1" />]]></description>
			<content:encoded><![CDATA[<div class='snap_preview'><br /><p>Am vergangenen Wochenende war <a href="http://de.wikipedia.org/wiki/Sonnenwende">Mittsommer</a> hier in Schweden. Anders als in Deutschland hat Mittsommer (schwed. <i>Midsommar</i>) hier Feiertagscharakter, was man spätestens daran merkt, daß Geschäfte, die <a href="http://www.ica.se/FrontServlet?s=butiker&amp;state=butikssida&amp;butiksid=09588">eigentlich</a> <a href="http://www.coop.se/sektioner/butik/butik_seneste_gem.asp?intKaedeId=30&amp;intButikId=42993103201372">immer</a> <a href="http://www.willys.se/showdoc.asp?docid=655&amp;channelid=3038&amp;channelitemid=445377">offen</a> haben<sup>*</sup>, plötzlich erst später aufmachen.</p>
<p>Nun, wir haben die Gelegenheit genutzt, eine kleine Nachtwanderung auf den Hausberg <a href="http://de.wikipedia.org/wiki/Billingen">Billingen</a> zu machen.<br />
Die drei folgenden Bilder zeigen den gleichen <a href="http://www.openstreetmap.org/?mlat=58.403&amp;mlon=13.81&amp;zoom=14&amp;layers=B000FTF">See</a> (fragt mich nicht nach dem Namen), wobei die dunklen von Norden nach Süden und das helle Bild von Süden nach Norden jeweils gegen Mitternacht aufgenommen wurden. Der Nebel deutet an, daß es gar nicht trocken-sommerlich warm war&#8230;<br />
<div id="attachment_289" class="wp-caption aligncenter" style="width: 310px"><a href="http://tfischernet.files.wordpress.com/2009/06/midsommar-billingen-1.jpg"><img src="http://tfischernet.files.wordpress.com/2009/06/midsommar-billingen-1.jpg?w=300&#038;h=184" alt="Midsommar auf Billingen" title="midsommar-billingen-1" width="300" height="184" class="size-medium wp-image-289" /></a><p class="wp-caption-text">Midsommar auf Billingen</p></div><br />
<div id="attachment_290" class="wp-caption aligncenter" style="width: 310px"><a href="http://tfischernet.files.wordpress.com/2009/06/midsommar-billingen-2.jpg"><img src="http://tfischernet.files.wordpress.com/2009/06/midsommar-billingen-2.jpg?w=300&#038;h=198" alt="Midsommar auf Billingen" title="midsommar-billingen-2" width="300" height="198" class="size-medium wp-image-290" /></a><p class="wp-caption-text">Midsommar auf Billingen</p></div><br />
<div id="attachment_291" class="wp-caption aligncenter" style="width: 310px"><a href="http://tfischernet.files.wordpress.com/2009/06/midsommar-billingen-3.jpg"><img src="http://tfischernet.files.wordpress.com/2009/06/midsommar-billingen-3.jpg?w=300&#038;h=224" alt="Midsommar auf Billingen" title="midsommar-billingen-3" width="300" height="224" class="size-medium wp-image-291" /></a><p class="wp-caption-text">Midsommar auf Billingen</p></div></p>
<p>Von besagtem Billingen aus hat man auch eine schöne Sicht auf die Stadt <a href="http://de.wikipedia.org/wiki/Skövde">Skövde</a> (wobei es auf dem Bild etwas heller aussieht, als es wirklich war):<br />
<div id="attachment_292" class="wp-caption aligncenter" style="width: 310px"><a href="http://tfischernet.files.wordpress.com/2009/06/midsommar-skovde.jpg"><img src="http://tfischernet.files.wordpress.com/2009/06/midsommar-skovde.jpg?w=300&#038;h=148" alt="Midsommar: Blick auf Skövde" title="midsommar-skovde" width="300" height="148" class="size-medium wp-image-292" /></a><p class="wp-caption-text">Midsommar: Blick auf Skövde</p></div></p>
<p>Mit diesen Bildern gehe ich in den Sommerurlaub und wünsche allen ein schönes Mittsommerfest! <img src='http://s.wordpress.com/wp-includes/images/smilies/icon_smile.gif' alt=':-)' class='wp-smiley' /> </p>
<p><sup>*</sup> Anders als in Deutschland üblich verkaufen Lebensmittelgeschäfte, die sonntags offen haben, normalerweise kein Benzin.</p>
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		<title>Drawing GPS Traces on Map Tiles from OpenStreetMap</title>
		<link>http://tfischernet.wordpress.com/2009/05/04/drawing-gps-traces-on-map-tiles-from-openstreetmap/</link>
		<comments>http://tfischernet.wordpress.com/2009/05/04/drawing-gps-traces-on-map-tiles-from-openstreetmap/#comments</comments>
		<pubDate>Mon, 04 May 2009 21:33:51 +0000</pubDate>
		<dc:creator>Thomas Fischer</dc:creator>
				<category><![CDATA[openstreetmap]]></category>
		<category><![CDATA[gps]]></category>
		<category><![CDATA[gpx]]></category>
		<category><![CDATA[osm]]></category>

		<guid isPermaLink="false">http://tfischernet.wordpress.com/?p=253</guid>
		<description><![CDATA[Ever wondered how to show your GPS traces to non-techie friends? This article may be the answer to your question.
Last weekend, I had the problem of visualizing a GPS trace to show a friend where I had been. Sending a .gpx file may be an answer to this question, but for someone not related to [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tfischernet.wordpress.com&blog=5193812&post=253&subd=tfischernet&ref=&feed=1" />]]></description>
			<content:encoded><![CDATA[<div class='snap_preview'><br /><p>Ever wondered how to show your GPS traces to non-techie friends? This article may be the answer to your question.</p>
<p>Last weekend, I had the problem of visualizing a GPS trace to show a friend where I had been. Sending a <a href="http://en.wikipedia.org/wiki/GPS_eXchange_Format">.gpx file</a> may be an answer to this question, but for someone not related to this whole map-making voodoo this file won&#8217;t help.</p>
<p>Well, given that a world map rendered as .png files is freely available from the <a href="http://www.openstreetmap.org">OpenStreetMap</a> project, isn&#8217;t there a way to draw GPS tracks on those images? The OpenStreetMap project allows you to download map tiles of size 256×256 pixel. To access those tiles (and to know which tile), you have to <a href="http://wiki.openstreetmap.org/wiki/Slippy_map_tilenames">calculate the tile number</a> depending on latitute, longitude, and zoom level. Using the coordinates from a .gpx file, all neccessary tiles can be retrieved and glued together to your own map. On this map, the tour as described by the .gpx file can be drawn.</p>
<h2>Script</h2>
<p>To simplify this process, I wrote a Perl script, which takes one or several .gpx files as input and generates a PNG image containing the map tiles and the GPS tracks as colored lines.</p>
<p style="margin:0;">The script is <a href="http://www.t-fischer.net/gpx2png.pl">available for <strong>download</strong></a>, released under the GPL version 3 or any later version.</p>
<p>The script&#8217;s usage is quite simle. Run
<div style="background:#eef;border:solid 1px #dde;"><tt>perl gpx2png.pl GPSTRACK.gpx</tt></div>
<p> to generate a file called <tt>map.png</tt> which contains the track in a PNG file.</p>
<p>The output can be controlled by setting command line options:<br />
<tt>-o</tt> FILENAME: Output filename of the image.<br />
<tt>-z</tt> <i>N</i>: Zoom level, where <i>N</i> is a number between 1 (world) and 16 (most details) or &#8220;auto&#8221; (automatically determines a reasonable zoom level, default).<br />More command line options are shown when running the script with <tt>-h</tt>.</p>
<p>If you are familiar with Perl, you can change even more default settings (e.g. colors) at the start of the Perl script.<br />
Perl hackers are welcome to send bug reports (I&#8217;m sure there are bugs) and suggestions for improvements.</p>
<h2>Example</h2>
<p>Below example visualizes two GPS tracks from Skara region (<a href="http://www.openstreetmap.org/user/leojth/traces/369119">randomly</a> <a href="http://www.openstreetmap.org/user/leojth/traces/369116">selected</a>) using the script&#8217;s default settings:</p>
<div style="background:#eef;border:solid 1px #dde;"><tt>perl gpx2png.pl -o skara-default.png 369116.gpx 369119.gpx</tt></div>
<div id="attachment_255" class="wp-caption aligncenter" style="width: 310px"><a href="http://tfischernet.files.wordpress.com/2009/05/skara-default.png"><img src="http://tfischernet.files.wordpress.com/2009/05/skara-default.png?w=300&#038;h=300" alt="Visualization of two GPS tracks close to Skara, Sweden" title="skara-default" width="300" height="300" class="size-medium wp-image-255" /></a><p class="wp-caption-text">Visualization of two GPS tracks close to Skara, Sweden</p></div>

<p style="margin:0;">Using custom settings such as done by running
<div style="background:#eef;border:solid 1px #dde;"><tt>perl gpx2png.pl -z 7 -o skara-zoom7.png 369116.gpx 369119.gpx</tt></div>
<p> results in this image:<br />
<div id="attachment_263" class="wp-caption aligncenter" style="width: 266px"><a href="http://tfischernet.files.wordpress.com/2009/05/skara-zoom7.png"><img src="http://tfischernet.files.wordpress.com/2009/05/skara-zoom7.png?w=256&#038;h=256" alt="Two GPS tracks in the Skara region with zoom level 7" title="skara-zoom7" width="256" height="256" class="size-full wp-image-263" /></a><p class="wp-caption-text">Two GPS tracks in the Skara region with zoom level 7</p></div>
</p>
<p>For reference, see <a href="http://www.openstreetmap.org/?lat=58.391&amp;lon=13.332&amp;zoom=11&amp;layers=B000FTF">how the original map looks like</a>.</p>
<p><em>Update 20090623</em> I uploaded a new version which is more configurable and draws waypoints as small circles on the map.</p>
<p><em>Update 20090709</em> The new version improves the projection of coordinates on tile images (suggested by Pedja); tile sources can be selected via command line.</p>
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		<title>Angekommen in Schweden</title>
		<link>http://tfischernet.wordpress.com/2009/03/10/angekommen-in-schweden/</link>
		<comments>http://tfischernet.wordpress.com/2009/03/10/angekommen-in-schweden/#comments</comments>
		<pubDate>Tue, 10 Mar 2009 21:05:15 +0000</pubDate>
		<dc:creator>Thomas Fischer</dc:creator>
				<category><![CDATA[Skövde]]></category>

		<guid isPermaLink="false">http://tfischernet.wordpress.com/?p=237</guid>
		<description><![CDATA[Nach etwas längerer Blog-Abstinenz wollte ich mich mal wieder melden, zumal Günther den neuen Planet UNIX-AG angekündigt hat.
Nachdem ich meine Verteidigung hinter mir hatte, habe ich mich dann doch ernsthaft mit der Jobsuche befasst. Inzwischen bin ich hier in Skövde im sonnigen Südschweden gelandet. An der örtlichen Universität bin ich (vorläufig) als Gastlehrer angestellt und [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tfischernet.wordpress.com&blog=5193812&post=237&subd=tfischernet&ref=&feed=1" />]]></description>
			<content:encoded><![CDATA[<div class='snap_preview'><br /><p>Nach etwas längerer Blog-Abstinenz wollte ich mich mal wieder melden, zumal <a href="http://gnoack.wordpress.com">Günther</a> den neuen <a href="http://www.unix-ag.uni-kl.de/~guenther/planetunixag/">Planet UNIX-AG</a> angekündigt hat.</p>
<p>Nachdem ich meine <a href="http://tfischernet.wordpress.com/2008/12/12/verteidigung/">Verteidigung</a> hinter mir hatte, habe ich mich dann doch ernsthaft mit der Jobsuche befasst. Inzwischen bin ich hier in <a href="http://www.openstreetmap.org/?lat=58.3923&amp;lon=13.8434&amp;zoom=14&amp;layers=B000FTF">Skövde</a> im sonnigen Südschweden gelandet. An der örtlichen <a href="http://www.his.se/english/">Universität</a> bin ich (vorläufig) als Gastlehrer angestellt und werde in den nächsten Monaten verschiedene Informatikkurse (mit-)betreuen.</p>
<p>Das Wetter hier erfüllt alle Erwartungen und Vorurteile der Deutschen, wie schon am ersten Tag ein Blick aus dem (Büro)Fenster zeigte:<br />
<a href="http://tfischernet.files.wordpress.com/2009/03/buero1.jpg"><img src="http://tfischernet.files.wordpress.com/2009/03/buero1.jpg?w=224&#038;h=300" alt="Blick aus Büro" title="Blick aus Büro" width="224" height="300" class="aligncenter size-medium wp-image-238" /></a></p>
<p>Auch wenn das Wetter zwischen Tauen, Gefrieren mit Glatteis und Neuschnee schwankt, sieht es zwischendurch doch immer ganz nett aus:</p>
<div style="text-align:center;"><a href="http://tfischernet.files.wordpress.com/2009/03/skovde-winter1.jpg"><img src="http://tfischernet.files.wordpress.com/2009/03/skovde-winter1.jpg?w=72&#038;h=96" alt="Skövde (Dälderna) im Winter" title="Skövde (Dälderna) im Winter" width="72" height="96" class="size-thumbnail wp-image-239" /></a><a href="http://tfischernet.files.wordpress.com/2009/03/skovde-winter2.jpg"><img src="http://tfischernet.files.wordpress.com/2009/03/skovde-winter2.jpg?w=96&#038;h=72" alt="Skövde (Dälderna) im Winter" title="Skövde (Dälderna) im Winter" width="96" height="72" class="size-thumbnail wp-image-240" /></a><a href="http://tfischernet.files.wordpress.com/2009/03/skovde-winter3.jpg"><img src="http://tfischernet.files.wordpress.com/2009/03/skovde-winter3.jpg?w=72&#038;h=96" alt="Skövde (Dälderna) im Winter" title="Skövde (Dälderna) im Winter" width="72" height="96" class="size-thumbnail wp-image-241" /></a></div>
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		<media:content url="http://tfischernet.files.wordpress.com/2009/03/buero1.jpg?w=224" medium="image">
			<media:title type="html">Blick aus Büro</media:title>
		</media:content>

		<media:content url="http://tfischernet.files.wordpress.com/2009/03/skovde-winter1.jpg?w=72" medium="image">
			<media:title type="html">Skövde (Dälderna) im Winter</media:title>
		</media:content>

		<media:content url="http://tfischernet.files.wordpress.com/2009/03/skovde-winter2.jpg?w=96" medium="image">
			<media:title type="html">Skövde (Dälderna) im Winter</media:title>
		</media:content>

		<media:content url="http://tfischernet.files.wordpress.com/2009/03/skovde-winter3.jpg?w=72" medium="image">
			<media:title type="html">Skövde (Dälderna) im Winter</media:title>
		</media:content>
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		<title>Enlarge Fullscreen Programs in Wine</title>
		<link>http://tfischernet.wordpress.com/2009/02/14/enlarge-fullscreen-programs-in-wine/</link>
		<comments>http://tfischernet.wordpress.com/2009/02/14/enlarge-fullscreen-programs-in-wine/#comments</comments>
		<pubDate>Sat, 14 Feb 2009 14:50:21 +0000</pubDate>
		<dc:creator>Thomas Fischer</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[games]]></category>
		<category><![CDATA[wine]]></category>

		<guid isPermaLink="false">http://tfischernet.wordpress.com/?p=227</guid>
		<description><![CDATA[Back in the good old days, PC games used a resolution of 320×200, 640×480, or maybe 800×600 for the game play. This was even true for Windows games. Then it was common to have a 15&#8243; CRT monitor which could display a large number of different resolutions with only little loss in quality.
Today, we have [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tfischernet.wordpress.com&blog=5193812&post=227&subd=tfischernet&ref=&feed=1" />]]></description>
			<content:encoded><![CDATA[<div class='snap_preview'><br /><p>Back in the good old days, PC games used a resolution of 320×200, 640×480, or maybe 800×600 for the game play. This was even true for Windows games. Then it was common to have a 15&#8243; CRT monitor which could display a large number of different resolutions with only little loss in quality.</p>
<p>Today, we have nice and shiny LCD displays, which are perfect for common office tasks. But with a horizontal resolution of e.g. 1600 pixel, you have a problem when playing these old games. Basically, you have two options when running your games with <a href="http://www.winehq.org/">Wine</a>: Scale the game&#8217;s small resolution to your display&#8217;s physical resolution (which looks ugly depending on the interpolation and the display&#8217;s aspect ration, e.g. widescreen displays) or run the game in a small window which makes a game designed for fullscreen displaying as large as your palm. No fun playing games here&#8230;</p>
<p>As far as I know, there is no possibility to scale a Windows program in Wine to make it more readable for high-resolution displays. However, I was able to create an ugly hack which allows us to &#8220;zoom&#8221; into these programs. The basic idea is to set up a dedicated X server with a fixed resolution for the Windows program and use a VNC connection (which can scale images) to get an enlarged view on this program.</p>
<p>If you like to follow the examples below, you will need to have the following programs installed:</p>
<ul>
<li><a href="http://freedesktop.org/wiki/Software/Xephyr">Xephyr</a>, which is part of your X server installation</li>
<li><a href="http://www.winehq.org/">Wine</a>, installed and configured to run programs fullscreen (deselect &#8220;Emulate a virtual desktop&#8221; in winecfg)</li>
<li><a href="http://www.karlrunge.com/x11vnc/">x11vnc</a></li>
<li><a href="http://www.realvnc.com/">RealVNC</a>, <a href="http://www.tightvnc.com/">TightVNC</a>, or any other VNC client (server component not required here)</li>
</ul>
<p>Most distributions such as <a href="http://www.gentoo.org/">Gentoo Linux</a> provide packages for above programs.</p>
<h3>Getting started</h3>
<p>To run Windows programs within a scaled VNC session, the following four easy steps are neccessary. You can start each program in the background by appending an ampersand (&amp;) or opening a terminal (simplifies debugging if something doesn&#8217;t work).</p>
<ol>
<li>Start Xephyr to initiate a nested X server session. Set the resolution to match the requirements of your game (here, it is set to 640×480). I observed that some programs crash if the GLX extension is activated, so I disabled it here. The display number is set to 5 (arbitrarily).<br />
<code>Xephyr -once -screen 640x480 -extension GLX :5</code></li>
<li>Start Wine and your Windows program. Take care to use the display provided by the new Xephyr instance.<br />
<code>DISPLAY=:5 wine path/to/your/windows/program</code></li>
<li>Start the VNC server which attachs to Xephyr&#8217;s display. Only connections from localhost will be accepted (for security purposes) and the scaling factor will be set to 2 (change to other factor to match your requirements). Option &#8220;:nb&#8221; speeds up the scaling.<br />
<code>x11vnc -localhost -scale 2:nb -display :5</code></li>
<li>Start the VNC client which connects to the server (the following example is for RealVNC).<br />
<code>vncviewer -FullColor -ZlibLevel 0 localhost</code></li>
</ol>
<p>Well, this is rather cumbersome, but it works <img src='http://s.wordpress.com/wp-includes/images/smilies/icon_smile.gif' alt=':-)' class='wp-smiley' /> </p>
<h3>Shell script</h3>
<p>Here is a shell script which performs above operations:</p>
<div style="border:1px solid #ccc;background:#eee;padding:1ex;"><code><br />
#!/bin/sh</p>
<p>XEPHYR_BIN=/usr/bin/Xephyr<br />
WINE_BIN=/usr/bin/wine<br />
WINPROG_BIN=/path/to/windows/program.exe<br />
X11VNC_BIN=/usr/bin/x11vnc<br />
VNCVIEWER_BIN=/usr/bin/vncviewer<br />
XDISPLAY=:5</p>
<p># start Xephyr in background<br />
# note: *with* GLX extension wine crashs sometimes<br />
${XEPHYR_BIN} -once -screen 640x480 -extension GLX ${XDISPLAY} &amp;<br />
XEPHYR_PID=$!<br />
sleep 2</p>
<p># start wine<br />
DISPLAY=${XDISPLAY} ${WINE_BIN} "${WINPROG_BIN}" &amp;<br />
WINE_PID=$!</p>
<p># start VNC server<br />
${X11VNC_BIN} -localhost -scale 2:nb -display :5 &amp;<br />
VNCSERVER_PID=$!<br />
sleep 3</p>
<p># RealVNC<br />
## ${VNCVIEWER_BIN} -FullColor -ZlibLevel 0 localhost &amp;<br />
# TightVNC<br />
${VNCVIEWER_BIN} -compresslevel 0 -nojpeg localhost &amp;<br />
# keep for both RealVNC and TightVNC<br />
VNCVIEWER_PID=$!</p>
<p>wait ${WINE_PID}<br />
sleep 1<br />
kill ${VNCVIEWER_PID}<br />
sleep 1<br />
kill ${VNCSERVER_PID}<br />
sleep 1<br />
kill ${XEPHYR_PID}<br />
</code></div>
Posted in Linux Tagged: games, wine <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gocomments/tfischernet.wordpress.com/227/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/comments/tfischernet.wordpress.com/227/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godelicious/tfischernet.wordpress.com/227/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/delicious/tfischernet.wordpress.com/227/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gostumble/tfischernet.wordpress.com/227/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/stumble/tfischernet.wordpress.com/227/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godigg/tfischernet.wordpress.com/227/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/digg/tfischernet.wordpress.com/227/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/goreddit/tfischernet.wordpress.com/227/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/reddit/tfischernet.wordpress.com/227/" /></a> <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tfischernet.wordpress.com&blog=5193812&post=227&subd=tfischernet&ref=&feed=1" /></div>]]></content:encoded>
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		<title>Kindsbach mapped for OSM</title>
		<link>http://tfischernet.wordpress.com/2008/12/29/kindsbach-mapped-for-osm/</link>
		<comments>http://tfischernet.wordpress.com/2008/12/29/kindsbach-mapped-for-osm/#comments</comments>
		<pubDate>Mon, 29 Dec 2008 17:30:24 +0000</pubDate>
		<dc:creator>Thomas Fischer</dc:creator>
				<category><![CDATA[openstreetmap]]></category>
		<category><![CDATA[gps]]></category>
		<category><![CDATA[osm]]></category>

		<guid isPermaLink="false">http://tfischernet.wordpress.com/?p=217</guid>
		<description><![CDATA[During the last few month I mapped Kindsbach (small village near Kaiserslautern, Germany) for the OpenStreetMap project. Before I started, the map contained only the railway line (without station) and the country road passing through the village. Within three weekends totaling into about 8 hours of walking or cycling, I mapped basically all residential roads [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tfischernet.wordpress.com&blog=5193812&post=217&subd=tfischernet&ref=&feed=1" />]]></description>
			<content:encoded><![CDATA[<div class='snap_preview'><br /><p>During the last few month I mapped <a href="http://en.wikipedia.org/wiki/Kindsbach">Kindsbach</a> (small village near <a href="http://en.wikipedia.org/wiki/Kaiserslautern">Kaiserslautern</a>, Germany) for the <a href="http://www.openstreetmap.org/">OpenStreetMap project</a>. Before I started, the map contained only the railway line (without station) and the country road passing through the village. Within three weekends totaling into about 8 hours of walking or cycling, I mapped basically all residential roads in Kindsbach.</p>
<p>Creating a map for OSM consists of two steps. First, real-world data must be collected. This data consists of both GPS coordinates and additional information such as street names, important traffic attributes (one-ways, speed limits, &#8230;), or other useful information (play grounds, parking lots, restaurants, &#8230;). Second, this data gets imported into OSM e.g. using <a href="http://josm.openstreetmap.de/">JOSM</a>. This (potentially time consuming) step is required to smooth the scattered GPS points and to integrate the additional information.</p>
<p>The additional information may be collected by making photos of relevant objects (such as traffic signs), as based on the photo&#8217;s <a href="http://en.wikipedia.org/wiki/Exif">EXIF</a> time stamp the <a href="http://freefoote.dview.net/linux_gpscorr.html">actual position can be determined later</a>. Alternatively, voice recorders may be used to memorize street names. My favorite method is paper&amp;pen. Below is a scan of a drawing of the south-west part of Kindsbach, which I created while walking through the streets:</p>
<p><a href="http://tfischernet.files.wordpress.com/2008/12/kindsbach-skizze.png"><img src="http://tfischernet.files.wordpress.com/2008/12/kindsbach-skizze.png?w=300&#038;h=209" alt="Kindsbach (sketch)" title="Kindsbach (sketch)" width="300" height="209" class="aligncenter size-medium wp-image-218" /></a></p>
<p>After a few days, changes and additions made in JOSM were rendered on the OpenStreetMap website. Eventually, the <a href="http://www.openstreetmap.org/?lat=49.41699&amp;lon=7.61432&amp;zoom=15&amp;layers=B000FTF">map of Kindsbach</a> looked as follows:</p>
<div id="attachment_219" class="wp-caption aligncenter" style="width: 310px"><a href="http://tfischernet.files.wordpress.com/2008/12/kindsbach-osm.png"><img src="http://tfischernet.files.wordpress.com/2008/12/kindsbach-osm.png?w=300&#038;h=181" alt="South-west of Kindsbach, Screenshot from OSM" title="Kindsbach (OSM)" width="300" height="181" class="size-medium wp-image-219" /></a><p class="wp-caption-text">South-west of Kindsbach, Screenshot from OSM</p></div>
<p>Mapping streets for OSM is a nice hobby. Besides of supporting the project, it is a good reason to switch off your computer and to get some fresh air&#8230; <img src='http://s.wordpress.com/wp-includes/images/smilies/icon_wink.gif' alt=';-)' class='wp-smiley' /> </p>
Posted in openstreetmap Tagged: gps, osm <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gocomments/tfischernet.wordpress.com/217/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/comments/tfischernet.wordpress.com/217/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godelicious/tfischernet.wordpress.com/217/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/delicious/tfischernet.wordpress.com/217/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gostumble/tfischernet.wordpress.com/217/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/stumble/tfischernet.wordpress.com/217/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godigg/tfischernet.wordpress.com/217/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/digg/tfischernet.wordpress.com/217/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/goreddit/tfischernet.wordpress.com/217/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/reddit/tfischernet.wordpress.com/217/" /></a> <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tfischernet.wordpress.com&blog=5193812&post=217&subd=tfischernet&ref=&feed=1" /></div>]]></content:encoded>
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			<media:title type="html">tfischernet</media:title>
		</media:content>

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			<media:title type="html">Kindsbach (sketch)</media:title>
		</media:content>

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			<media:title type="html">Kindsbach (OSM)</media:title>
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		<item>
		<title>Verteidigung</title>
		<link>http://tfischernet.wordpress.com/2008/12/12/verteidigung/</link>
		<comments>http://tfischernet.wordpress.com/2008/12/12/verteidigung/#comments</comments>
		<pubDate>Fri, 12 Dec 2008 21:56:29 +0000</pubDate>
		<dc:creator>Thomas Fischer</dc:creator>
				<category><![CDATA[University]]></category>
		<category><![CDATA[phd]]></category>

		<guid isPermaLink="false">http://tfischernet.wordpress.com/?p=209</guid>
		<description><![CDATA[Vor 11 Jahren, 2 Monaten und 12 Tagen habe ich mein Studium an einer Universität begonnen. Nach meinem Diplom an der TU Darmstadt habe ich eine Promotion hier in Kaiserslautern begonnen, die jetzt (fast) abgeschlossen ist. Heute war die öffentliche Aussprache (Verteidigung) meiner Arbeit.

Anschließend gab es einen kleinen Sektempfang. Höhepunkt war die Überreichung des &#8220;Doktorhuts&#8221;:

Ich [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tfischernet.wordpress.com&blog=5193812&post=209&subd=tfischernet&ref=&feed=1" />]]></description>
			<content:encoded><![CDATA[<div class='snap_preview'><br /><p>Vor 11 Jahren, 2 Monaten und 12 Tagen habe ich mein Studium an einer Universität begonnen. Nach meinem Diplom an der TU Darmstadt habe ich eine Promotion hier in Kaiserslautern begonnen, die jetzt (fast) abgeschlossen ist. Heute war die öffentliche Aussprache (Verteidigung) meiner Arbeit.<br />
<a href="http://tfischernet.files.wordpress.com/2008/12/20081212-thomasverteidigung-a-000009_klein.jpg"><img src="http://tfischernet.files.wordpress.com/2008/12/20081212-thomasverteidigung-a-000009_klein.jpg?w=300&#038;h=154" alt="Vortrag Dissertation" title="Vortrag Dissertation" width="300" height="154" class="aligncenter size-medium wp-image-210" /></a></p>
<p>Anschließend gab es einen kleinen Sektempfang. Höhepunkt war die Überreichung des &#8220;Doktorhuts&#8221;:<br />
<a href="http://tfischernet.files.wordpress.com/2008/12/20081212-thomasverteidigung-a-000062_klein.jpg"><img src="http://tfischernet.files.wordpress.com/2008/12/20081212-thomasverteidigung-a-000062_klein.jpg?w=210&#038;h=300" alt="In Talar mit Doktorhut" title="In Talar mit Doktorhut" width="210" height="300" class="aligncenter size-medium wp-image-211" /></a></p>
<p>Ich möchte allen meinen Freunden und Kollegen danken, die mich durch die guten und schwierigen Zeiten meiner Dissertation begleitet haben.</p>
Posted in University Tagged: phd <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gocomments/tfischernet.wordpress.com/209/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/comments/tfischernet.wordpress.com/209/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godelicious/tfischernet.wordpress.com/209/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/delicious/tfischernet.wordpress.com/209/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gostumble/tfischernet.wordpress.com/209/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/stumble/tfischernet.wordpress.com/209/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godigg/tfischernet.wordpress.com/209/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/digg/tfischernet.wordpress.com/209/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/goreddit/tfischernet.wordpress.com/209/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/reddit/tfischernet.wordpress.com/209/" /></a> <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tfischernet.wordpress.com&blog=5193812&post=209&subd=tfischernet&ref=&feed=1" /></div>]]></content:encoded>
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		<media:content url="" medium="image">
			<media:title type="html">tfischernet</media:title>
		</media:content>

		<media:content url="http://tfischernet.files.wordpress.com/2008/12/20081212-thomasverteidigung-a-000009_klein.jpg?w=300" medium="image">
			<media:title type="html">Vortrag Dissertation</media:title>
		</media:content>

		<media:content url="http://tfischernet.files.wordpress.com/2008/12/20081212-thomasverteidigung-a-000062_klein.jpg?w=210" medium="image">
			<media:title type="html">In Talar mit Doktorhut</media:title>
		</media:content>
	</item>
		<item>
		<title>Searchable PDFs with Linux</title>
		<link>http://tfischernet.wordpress.com/2008/11/26/searchable-pdfs-with-linux/</link>
		<comments>http://tfischernet.wordpress.com/2008/11/26/searchable-pdfs-with-linux/#comments</comments>
		<pubDate>Wed, 26 Nov 2008 22:23:03 +0000</pubDate>
		<dc:creator>Thomas Fischer</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[ocr]]></category>
		<category><![CDATA[pdf]]></category>

		<guid isPermaLink="false">http://tfischernet.wordpress.com/?p=198</guid>
		<description><![CDATA[Recently, I came across a news posting that there is an open source document management software called ArchivistaBox 2008/IX that can create searchable PDFs from scanned documents. Core components of this software package are Cuneiform (an OCR system) and hocr2pdf (a special PDF generator from ExactCODE).
Using these two programs (both are GPL-2), everyone can generated [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tfischernet.wordpress.com&blog=5193812&post=198&subd=tfischernet&ref=&feed=1" />]]></description>
			<content:encoded><![CDATA[<div class='snap_preview'><br /><p>Recently, I came across a news posting that there is an open source document management software called <a href="http://www.archivista.ch/en/pages/news-blog/searchable-pdf-files.php">ArchivistaBox 2008/IX</a> that can create searchable PDFs from scanned documents. Core components of this software package are <a href="https://launchpad.net/cuneiform-linux">Cuneiform</a> (an <a href="http://en.wikipedia.org/wiki/Optical_character_recognition">OCR</a> system) and <a href="http://www.exactcode.de/site/open_source/exactimage/hocr2pdf/">hocr2pdf</a> (a special PDF generator from <a href="http://www.exactcode.de/">ExactCODE</a>).</p>
<p>Using these two programs (both are GPL-2), everyone can generated searchable PDFs which I will demonstrate in the following example.</p>
<p>Lacking a scanned document, I created a LaTeX document using a sample text from <a href="http://www.gutenberg.org/">Project Gutenberg</a> and generated a TIFF file using GhostScript:</p>
<p><code>pdflatex mammalia.tex<br />
gs -r320 -dBATCH -sOutputFile=mammalia.tiff -sDEVICE=tiffgray mammalia.pdf</code></p>
<p>Tip: When scanning or generating TIFF images, try different image resolutions where the recognization rate is sufficient and the image size is still acceptable small.</p>
<p>Generating a searchable PDFs is a two-step process. First, cuneiform is used to generate a special HTML document which contains information where letters and words are located on the TIFF image.<br />
This HTML document uses the suffix .hocr:</p>
<p><code>cuneiform -f hocr -o mammalia.hocr mammalia.tiff</code></p>
<p>Tip: You can use cuneiform to write its output in different other formats such as normal HTML or plain text. Use <code>cuneiform -f</code> to get a list of formats.<br />
Tip: Linked against ImageMagick, cuneiform can read a large number of image formats, not only TIFF.</p>
<p>Once <code>mammalia.hocr</code> has been generated, the searchable PDF document is generated using hocr2pdf:</p>
<p><code>hocr2pdf -i mammalia.tiff  -o mammalia-ocr.pdf &lt;mammalia.hocr</code></p>
<p>Here, the TIFF image is used for the PDF&#8217;s visual content, but when you search for text, the meta information from the .hocr file is used to find and highlight the search hits in the document.</p>
<p>Above example is rather artificial, as the used TIFF image has a much better quality compared to a scanned document. If scan results degenerate (not all letters are recognized and some word boundaries are detected wrong), you may want to try the optional switch <code>-s</code> for hocr2pdf to use a more sloppy approach on detecting words.</p>
<p>Now you can use above tools to run your own document management system at home e.g. to scan incomming letters. Happy OCRing&#8230; <img src='http://s.wordpress.com/wp-includes/images/smilies/icon_smile.gif' alt=':-)' class='wp-smiley' /> </p>
<p>Note: <a href="http://www.gentoo.org/">Gentoo Linux</a> users can use ebuilds from bug reports for <a href="https://bugs.gentoo.org/show_bug.cgi?id=234824">cuneiform</a> and <a href="https://bugs.gentoo.org/show_bug.cgi?id=249032">exactimage</a>.</p>
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