Convert OVOBJ to SHP

Convert Ovital Map .ovobj label or sampling-point files into validated ESRI Shapefiles. Use when Codex needs to inspect or convert 奥维互动地图/奥维地图 point objects, preserve Chinese label names and source coordinates, handle mainland-China GCJ-02 coordinates, convert geometry to WGS84 EPSG:4326, process one file or a directory, or diagnose OVOBJ conversion results.

by @ruiduobao·MIT-0