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Andrea Aime
GeoSolutions
Styling Natural Earth
with GeoServer CSS
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GeoSolutions
Enterprise Support
Services
Deployment
Subscription
Professional
Training
Customized
Solutions
GeoNode
• Offices in Italy & US, Global Clients/Team
• 40+ collaborators, 30+ Engineers
• Our products
• Our Offer
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Affiliations
We strongly support Open
Source, it Is in our core
We actively participate in
OGC working groups and
get funded to advance new
open standards
We support standards
critical to GEOINT
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Intro: Natural Earth and GeoCSS
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Natural Earth
• Natural Earth is a public domain map dataset
available at 1:10m, 1:50m, and 1:110 million
scales.
• Featuring tightly integrated vector and raster
data
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GeoServer CSS (GeoCSS)
• CSS inspired language for map styling
• Compact, powerful, human readable, human
writable
* {
stroke: blue;
fill: #7EB5D3;
label: [name];
label-anchor: 0.5 0.5;
font-fill: black;
font-family: "Arial";
font-size: 14;
halo-radius: 2;
halo-color: #7EB5D3;
halo-opacity:0.8;
}
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The challenge
• Wanted to have a significant, yet not too
complicated, base map, in CSS, for our training
package
• What about osm-styles?
• Nice, but too
complicated!
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The political map
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Political map of the world
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Political map of the world
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Political map of the world
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Political map of the world
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The layer group
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One sample style: countries
/* @title Countries */
[@sd > 20M][@sd < 70M] {
stroke: darken(darkgray, 5%);
stroke-width: 0.1;
/* https://colorbrewer2.org/#type=qualitative&scheme=Pastel1&n=7 */
fill: [Recode(MAPCOLOR7, 1, '#fbb4ae', 2, lighten('#b3cde3', '5%'),
3, '#ccebc5', 4, lighten('#decbe4', '5%'), 5, '#fed9a6',
6, '#ffffcc', 7, '#e5d8bd')];
label: [NAME];
label-anchor: 0.5 0.5;
font-family: 'Noto Sans';
font-size: 14;
font-fill: lighten(black, 20%);
halo-color: white;
halo-radius: 1;
halo-opacity: 70%;
label-priority: [POP_EST];
label-auto-wrap: 100;
label-max-displacement: 50;
}
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How about a physical map?
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Physical map of the world
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Physical map of the world
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Ok, how can I get it?
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But on GitHub, of course!
• GeoSolution’s Natural Earth styles repository
• https://github.com/geosolutions-it/ne-styles
• The physical map is in a branch right now:
• https://github.com/geosolutions-it/ne-styles/tree
/physical