Render legend after polygon is drawn and also remove previous legend
Render legend after polygon is drawn and also remove previous legend

geotrellis/geotrellis-osm-elevation,longcmu/geotrellis-osm-elevation,geotrellis/geotrellis-osm-elevation,longcmu/geotrellis-osm-elevation,longcmu/geotrellis-osm-elevation,geotrellis/geotrellis-osm-elevation