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	<id>https://giswiki.ch/index.php?action=history&amp;feed=atom&amp;title=TopoJSON</id>
	<title>TopoJSON - Versionsgeschichte</title>
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	<updated>2026-04-29T20:52:20Z</updated>
	<subtitle>Versionsgeschichte dieser Seite in Geometa Lab OST</subtitle>
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	<entry>
		<id>https://giswiki.ch/index.php?title=TopoJSON&amp;diff=67565&amp;oldid=prev</id>
		<title>Stefan am 9. März 2020 um 14:06 Uhr</title>
		<link rel="alternate" type="text/html" href="https://giswiki.ch/index.php?title=TopoJSON&amp;diff=67565&amp;oldid=prev"/>
		<updated>2020-03-09T14:06:36Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version vom 9. März 2020, 14:06 Uhr&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l10&quot;&gt;Zeile 10:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 10:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;https://www.digitale-nachhaltigkeit.unibe.ch/e90958/e490158/e490446/e490536/rightcol490545/OpenData2015_Termin09_Uebung_GastvortragLukasVonlanthen__ger.pdf&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;https://www.digitale-nachhaltigkeit.unibe.ch/e90958/e490158/e490446/e490536/rightcol490545/OpenData2015_Termin09_Uebung_GastvortragLukasVonlanthen__ger.pdf&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Data&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;:&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;== &lt;/ins&gt;Data &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;in TopoJSON format ==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Swiss admin. boundaries, lakes and zip code (PLZ) geodata in TopoJSON format:  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Swiss admin. boundaries, lakes and zip code (PLZ) geodata in TopoJSON format:  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;https://github.com/interactivethings/swiss-maps&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;https://github.com/interactivethings/swiss-maps&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;quot;Choropleth with wealth distribution of Switzerland&amp;quot; by huembelin’s Block: https://bl.ocks.org/huembelin/5452de6dff30c70d642439a7746ec418&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;quot;Choropleth with wealth distribution of Switzerland&amp;quot; by huembelin’s Block: https://bl.ocks.org/huembelin/5452de6dff30c70d642439a7746ec418&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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		<author><name>Stefan</name></author>
	</entry>
	<entry>
		<id>https://giswiki.ch/index.php?title=TopoJSON&amp;diff=67554&amp;oldid=prev</id>
		<title>Stefan: Die Seite wurde neu angelegt: «An extension of GeoJSON that encodes topology. It is more compact than GeoJSON and it is used by data journalists and tools like [http://forio.com/contour/do…»</title>
		<link rel="alternate" type="text/html" href="https://giswiki.ch/index.php?title=TopoJSON&amp;diff=67554&amp;oldid=prev"/>
		<updated>2020-03-07T00:16:45Z</updated>

		<summary type="html">&lt;p&gt;Die Seite wurde neu angelegt: «An extension of &lt;a href=&quot;/GeoJSON&quot; title=&quot;GeoJSON&quot;&gt;GeoJSON&lt;/a&gt; that encodes topology. It is more compact than GeoJSON and it is used by data journalists and tools like [http://forio.com/contour/do…»&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Neue Seite&lt;/b&gt;&lt;/p&gt;&lt;div&gt;An extension of [[GeoJSON]] that encodes topology. It is more compact than GeoJSON and it is used by data journalists and tools like [http://forio.com/contour/documentation.html#topojson forio D3.js], PowerBI or Looker, etc..&lt;br /&gt;
&lt;br /&gt;
* Specification and Javascript tools: https://github.com/topojson/topojson&lt;br /&gt;
* Free online web tool to display, simplify and convert TopoJSON: https://mapshaper.org/ &lt;br /&gt;
* Tools and demos by Mike Bostock (Javascript): &lt;br /&gt;
** topojson cli tool to create TopoJSON: https://github.com/mbostock/topojson&lt;br /&gt;
** About topojson tool (Javascript) &amp;quot;How To Infer Topology&amp;quot;: https://bost.ocks.org/mike/topology/&lt;br /&gt;
** About topojson tool ff.: [https://blog.mastermaps.com/2013/06/converting-shapefiles-to-topojson.html Converting Sapefiles to TopoJSON]&lt;br /&gt;
* Programming with GeoJSON and TopoJSON (PDF, deutsch): &lt;br /&gt;
https://www.digitale-nachhaltigkeit.unibe.ch/e90958/e490158/e490446/e490536/rightcol490545/OpenData2015_Termin09_Uebung_GastvortragLukasVonlanthen__ger.pdf&lt;br /&gt;
&lt;br /&gt;
Data:&lt;br /&gt;
* Swiss admin. boundaries, lakes and zip code (PLZ) geodata in TopoJSON format: &lt;br /&gt;
https://github.com/interactivethings/swiss-maps&lt;br /&gt;
* &amp;quot;Choropleth with wealth distribution of Switzerland&amp;quot; by huembelin’s Block: https://bl.ocks.org/huembelin/5452de6dff30c70d642439a7746ec418&lt;/div&gt;</summary>
		<author><name>Stefan</name></author>
	</entry>
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