func (this *Geos) AsWkt(geom *Geom) string {
str := C.GEOSGeomToWKT_r(this.v, geom.v)
if str == nil {
return ""
}
result := C.GoString(str)
C.free(unsafe.Pointer(str))
return result
}
func cGEOSGeomToWKT(g *C.GEOSGeometry) *C.char {
handlemu.Lock()
defer handlemu.Unlock()
return C.GEOSGeomToWKT_r(handle, g)
}