Question 1

What GeoJSON checks does 地図と地理スタジオ run?

Accepted Answer

Validate type fields, count features/geometries and compute bounding boxes before GIS import.

Question 2

Can I convert WKT?

Accepted Answer

Yes — WKT ↔ GeoJSON conversion for POINT geometries runs locally.

Question 3

Is Mapbox required?

Accepted Answer

No — all GeoJSON utilities run without external map API keys.