public void addCell(cell ecoli, int x, int y){
	int myx; int myy;
	if(x >= xmin && x < xmax){myx = x-xmin;}else{myx = -1;}
	if(y >= ymin && y < ymax){myy = y-ymin;}else{myy = -1;}
	if(myy == -1 || myx == -1){ }
	else{culture[myx][myy] = null; 
		culture[myx][myy] = ecoli;
		 if(ecoli.getOption("Mirror")){}else{ culture[myx][myy].setLocation(x,y);}} 
	}