[add]cityjson转sem

张洋洋

2025-02-10 c3137476e71b28cb77f52d24b2714cee336fc2f4

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{"type":"CityJSON","metadata":{"referenceSystem":"urn:ogc:def:crs:EPSG::4326","datasetPointOfContact":{}},"version":"1.0","CityObjects":{},"vertices":[]}