问题： //Idon'tknowifsomestandardvalueexistsfortheradius,inthesame,Iwillassumethatsomesoftwarewouldprefertousesquareshape,butcirclemakesmoresensetome.//pixelsisnoiceifyouwanttozoominandouttovisualize,butmaybeforexportorcomputationyouwouldprefermeters  //我不知道半径是否有标准值，同样，我认为有些软件更倾向于使用正方形，但我认为圆形更合理。...