def test_declarative_smooth_contour():
"""Test making a contour plot using smooth_contour."""
data = xr.open_dataset(get_test_data('narr_example.nc', as_file_obj=False))
contour = ContourPlot()
contour.data = data
contour.field = 'Temperature'
contour.level = 700 * units.hPa
contour.contours = 30
contour.linewidth = 1
contour.linecolor = 'red'
contour.smooth_contour = 5
panel = MapPanel()
panel.area = 'us'
panel.projection = 'lcc'
panel.layers = ['coastline', 'borders', 'usstates']
panel.plots = [contour]
pc = PanelContainer()
pc.size = (8.0, 8)
pc.panels = [panel]
pc.draw()
return pc.figure
def test_declarative_smooth_contour_order():
"""Test making a contour plot using smooth_contour with tuple."""
data = xr.open_dataset(get_test_data('narr_example.nc', as_file_obj=False))
contour = ContourPlot()
contour.data = data
contour.field = 'Geopotential_height'
contour.level = 700 * units.hPa
contour.contours = list(range(0, 4000, 30))
contour.linewidth = 1
contour.linecolor = 'black'
contour.smooth_contour = (10, 4)
panel = MapPanel()
panel.area = 'us'
panel.projection = 'lcc'
panel.layers = ['coastline', 'borders', 'usstates']
panel.plots = [contour]
pc = PanelContainer()
pc.size = (8.0, 8)
pc.panels = [panel]
pc.draw()
return pc.figure
