断面分析功能实现

dcb

2025-07-09 e53252b99e7b49b435b7a6ee3eab21ae1bd7a055

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