kartograph.js

The API allows quick setup with simple code, as shown in the README example where a map is loaded and styled in a few lines using `$K.map()` and `loadMap()`.

Supports choropleth maps with customizable color scales, evidenced by the example using `chroma.ColorScale` to style fills based on data attributes.

Enables easy addition of symbols like bubbles using geographic coordinates and data-driven sizing, as demonstrated with `addSymbols()` and `Kartograph.Bubble`.

Provides tools to add interactive layers with titles and custom styles, shown in the layer initialization where titles are set dynamically based on data.