util.py 文件源码

def has_geos():
    pnt1 = ogr.CreateGeometryFromWkt('POINT(10 20)')
    pnt2 = ogr.CreateGeometryFromWkt('POINT(30 20)')
    ogrex = ogr.GetUseExceptions()
    ogr.DontUseExceptions()
    hasgeos = pnt1.Union(pnt2) is not None
    if ogrex:
        ogr.UseExceptions()
    return hasgeos