<p><div><div><div><div data-show-faces="false" data-height="21" data-width="100" data-layout="button_count" data-send="true" data-href="https://www.r-bloggers.com/pixel-art-of-ggplot2-faceting-using-geofacet/"></div></div><div></div></div><div></div></div>
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(This article was first published on <strong><a href="https://guangchuangyu.github.io/2017/06/pixel-art-of-ggplot2-faceting-using-geofacet/"> R on Guangchuang YU</a></strong>, and kindly contributed to <a rel="nofollow" href="https://www.r-bloggers.com/">R-bloggers)</a> </div>
<p>I just discovered an interesting <code>ggplot2</code> extension, <code>geofacet</code>, that supports arranging facet panels that mimics geographic topoloty.</p>
<p>After playing with it, I realized that it is not only for visualizing <code>geo</code>-related data, but also can be fun for presenting data to mimics pixel art.</p>
<p><img alt="" src="https://i0.wp.com/guangchuangyu.github.io/blog_images/2017/Screenshot%202017-06-26%2015.49.50.png?w=456&ssl=1" data-recalc-dims="1"></p>

<p>Here is an example using the Turkey shape:</p>
<pre><code>Turkey &lt;- read.csv(&quot;http://pages.iu.edu/~cdesante/turkey.csv&quot;)
Turkey = Turkey[, -3]
colnames(Turkey)[2:1] = c(&quot;row&quot;, &quot;col&quot;)
Turkey$row = max(Turkey$row) - Turkey$row +1
Turkey$name &lt;- Turkey$code &lt;- paste0('turkey', 1:nrow(Turkey))

require(ggplot2)
require(geofacet)
x &lt;- split(eu_gdp, eu_gdp$code)
x &lt;- x[sample.int(length(x), nrow(Turkey), replace=T)]
for (i in 1:length(x)) {
  x[[i]]$code = Turkey$code[i]
}
y &lt;-  do.call(rbind, x)

p1 &lt;- ggplot(y, aes(gdp_pc, year))+ geom_line(color=&quot;steelblue&quot;) +
  facet_geo(~code, grid=Turkey, scales='free')
print(p1)
</code></pre>
<p><img alt="" src="https://i0.wp.com/guangchuangyu.github.io/blog_images/R/geofacet/Screenshot%202017-06-26%2014.00.53.png?w=456&ssl=1" data-recalc-dims="1"></p>
<pre><code>p1 + theme_void() + theme(strip.text.x = element_blank())
</code></pre>
<p><img alt="" src="https://i1.wp.com/guangchuangyu.github.io/blog_images/R/geofacet/Screenshot%202017-06-26%2014.01.12.png?w=456&ssl=1" data-recalc-dims="1"></p>
	<p>
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