double compareZoomFactor = 2.75;
ManualMapFilter filter = new ManualMapFilter(battleId);
filter.showPolygon(new Polygon(new int[] { 5, 25, 25, 5 },
new int[] { 5, 5, 25, 25 }, 4));
filter.hidePolygon(new Polygon(new int[] { 5, 25, 25, 5 },
new int[] { 5, 5, 25, 25 }, 4));
CampaignClient.getInstance().addBean(filter);
UniqueID filterId = filter.getId();