how to combine two topojson into one's new object?

topojson / topojson-client

Manipulate TopoJSON, such as to merge shapes, and convert it back to GeoJSON.

ISC License

213 stars 63 forks source link

how to combine two topojson into one's new object? #40

Closed winner106 closed 1 year ago

winner106 commented 1 year ago

https://observablehq.com/@observablehq/plot-state-labels

I have multiple TopoJSON files representing different layers within the same overall shape, and I would like to merge them into one file together for easier future use(keep multiple objects), similar to the effect achieved "us-counties-10m.json" file in above link.