本人要自定義一下光闌，但是UDA經(jīng)過原點(diǎn)的話，好像就break了。 7 P]Sc  
有沒有方法解決這個(gè)問題

我頂啊

UDA 的說明里面有，“ if a vertex must be defined at (0,0), a work around is to instead use some very small (but larger than the tolerance) value for one of the coordinates, such as (1.0E-05, 0). As long as at least one of the coordinates is not zero, the point will be considered a vertex rather than indicating the end of a polygon.”