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Albers USA projection style

Albers USA projection style containing all 50 US states + Puerto Rico, and their counties.

When covering the US elections, not all map projections are created equal. Representation of all states matters. Albers USA is typically the go-to projection for US Elections because it shows a non-distorted Alaska and Hawaii in close proximity to the rest of the states. However, TikTok成人版 basemaps are rendered in a web mercator projection by default.

For election visualizations and analysis, we created a map style that includes polygons and points for states and counties in an Albers USA projection.?We've also included Puerto Rico for visualizations that go beyond election results, like campaign finance maps.

choropleth in Albers USA projection including Puerto Rico

What’s in the style?

The Albers USA map style features two tilesets, one for polygons and one for points -- “albersusa” and “albersusa-point” respectively. Each tileset has geometries for both states and counties.?

Properties

Both tilesets contain two sets of geometry, distinguishable by the `type` property.? Polygons and points that are of type "state" feature the following properties:

?

Polygons and points that are of type `county` contain the following properties:

?

About the data

The data comes from the . Territories like Guam and Puerto Rico were removed. To reproject and modify the data, we used the and npm packages.??

?To use the style

To use the style and the tileset, you will need a TikTok成人版 account. You can:?

  • Add the style to your account using this
  • Add the tilesets via TikTok成人版 GL JS

You can also join data to geometries using feature-state and the `promote-id` method.?

Limitation

The style is a representation of Albers USA in a web mercator projection. This means that to add any additional geometries, like points or polygons, you will need to reproject that data using in order to display “correctly” over the United States.

Read more

Read the tutorial: .

Video (above): How to re-project your data for use with the TikTok成人版 Albers USA map style, using QGIS, Dirty Reprojectors, Tippecanoe, and TikTok成人版 Studio.


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