CreateFeatureTypeSewer(featureType, startX, startY, stopX, stopY, precision)
Returns the FeatureTypeSewer object, a tool for sewing map features. The featureType argument specifies a feature type being sewed. The startX, startY, stopX and stopY float arguments specify the initial and final points of a sewing line along which the sewing will be executed. Only horizontal or vertical sewings are possible. The precision argument specifies a sewing width. The sewing width is a maximum distance between boundaries of features to execute sewing of features located along the sewing line.