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#viridis

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Eugene Alvin Villar 🇵🇭<p>I guess one reason why I haven’t done heat maps before is because I don’t think they are as useful compared to other cartographic <a href="https://en.osm.town/tags/dataviz" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>dataviz</span></a> techniques such as binning and choropleths. But maybe I’m missing something?</p><p>Anyway, for the heat map, I used the Leaflet.heat <a href="https://en.osm.town/tags/LeafletJS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LeafletJS</span></a> plugin by Volodymyr Agafonkin, creator of Leaflet: <a href="https://github.com/Leaflet/Leaflet.heat" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">github.com/Leaflet/Leaflet.hea</span><span class="invisible">t</span></a></p><p>The hexbin map uses the <a href="https://en.osm.town/tags/H3" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>H3</span></a> hex grid system with the <a href="https://en.osm.town/tags/Viridis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Viridis</span></a> Inferno sequential palette.</p><p>🧵 2/2</p>
Eugene Alvin Villar 🇵🇭<p><a href="https://en.osm.town/tags/30DayMapChallenge" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>30DayMapChallenge</span></a> 🗺️ Day 8️⃣: <a href="https://en.osm.town/tags/HumanitarianDataExchange" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HumanitarianDataExchange</span></a> (<a href="https://en.osm.town/tags/HDX" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HDX</span></a>)</p><p>I have questions. 🙋</p><p>I was browsing the HDX data on <a href="https://en.osm.town/tags/ClimateChange" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ClimateChange</span></a> and found this wind speed hazard data from <a href="https://en.osm.town/tags/ETHZ%C3%BCrich" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ETHZürich</span></a> Weather and Climate Risks group generated using their Climada tool. What’s interesting was they provided wind speeds in a ~4×4–km grid but as a CSV file! I had no idea what the data looked like and so I rendered it as a map with the speed colored using the <a href="https://en.osm.town/tags/Viridis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Viridis</span></a> Mako palette (originally from seaborne).</p><p>🧵 1/3</p>
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