contour_dem Contour from DEM Extracts contours from DEM data interval 100 simplify true rule 1 Contour Line (100) 250000 #662200 0.4 rule 2 Contour Line (500) value 500.0 0 #662200 1 rule 3 Label (100) 250000 Arial Normal 10 2 #FFFFFF 0.6 #662200 2000 true 300 50 30 20 rule 4 Label (500) value 500.0 0 Arial Bold 10 2 #FFFFFF 0.6 #662200 3000 true 300 50 30 20