fixed bug with polygon drawing tool
fixed bug with polygon drawing tool

crs4/ome_seadragon,lucalianas/ome_seadragon,lucalianas/ome_seadragon,lucalianas/ome_seadragon,crs4/ome_seadragon,crs4/ome_seadragon,crs4/ome_seadragon,lucalianas/ome_seadragon