256 oc.addDescription("keep-edges.in-boundary", "Edge Removal", "Only keep edges which are located within the given boundary (given either as CARTESIAN corner coordinates <xmin,ymin,xmax,ymax> or as polygon <x0,y0,x1,y1,...>)");
259 oc.addDescription("keep-edges.in-geo-boundary", "Edge Removal", "Only keep edges which are located within the given boundary (given either as GEODETIC corner coordinates <lon-min,lat-min,lon-max,lat-max> or as polygon <lon0,lat0,lon1,lat1,...>)");