source $drc_test_source target $drc_test_target b = input(0, 0) a = input(1, 0) b.output(0, 0) a.output(1, 0) a.with_density(0..0.1, tile_size(10.um), tile_boundary(b)).output(100, 0) a.without_density(0..0.1, tile_size(10.um)).output(101, 0) a.with_density(0.1, nil, tile_size(10.um), tile_origin(25.um, 10.um)).output(102, 0) a.with_density(0.1, nil, tile_size(10.um, 20.um)).output(103, 0) a.with_density(0.1, 1.0, tile_size(10.um), tile_step(10.um, 20.um)).output(104, 0) a.with_density(0.1, nil, tile_size(10.um), tile_origin(25.um, 10.um), tile_count(10, 15)).output(105, 0) a.with_density(0..0.1, tile_size(100.um), tile_step(10.um)).output(110, 0)