Пример #1
0
def test_hef():

    grid = salem.grids.local_mercator_grid(center_ll=(10.76, 46.798444),
                                               extent=(10000, 7000))
    c = Map(grid, countries=False)
    c.set_lonlat_countours(interval=10)
    c.set_shapefile(get_demo_file('Hintereisferner_UTM.shp'))
    c.set_topography(get_demo_file('hef_srtm.tif'),
                     interp='linear')
    c.visualize(addcbar=False, title='linear')

    c.set_topography(get_demo_file('hef_srtm.tif'),
                     interp='spline', ks=2)
    c.visualize(addcbar=False, title='spline deg 2')

    c.set_topography(get_demo_file('hef_srtm.tif'))
    c.visualize(addcbar=False, title='Default: spline deg 3')

    h = c.set_topography(get_demo_file('hef_srtm.tif'),
                     interp='spline', ks=5)
    c.visualize(addcbar=False, title='spline deg 5')

    dem = salem.GeoTiff(get_demo_file('hef_srtm.tif'))
    mytopo = dem.get_vardata()
    c.set_topography(mytopo, crs=dem.grid, interp='spline')
    c.visualize(addcbar=False, title='From array')

    c.set_lonlat_countours()
    c.set_cmap(cleo.get_cm('topo'))
    c.set_plot_params(nlevels=256)
    c.set_data(h)
    c.visualize()
Пример #2
0
def test_gmap():

    g = GoogleCenterMap(center_ll=(10.762660, 46.794221), zoom=13,
                        size_x=640, size_y=640)

    m = Map(g.grid, countries=False, nx=640)
    m.set_lonlat_countours(interval=0.025)
    m.set_shapefile(get_demo_file('Hintereisferner.shp'),
                    linewidths=2, edgecolor='darkred')
    m.set_rgb(g.get_vardata())
    m.visualize(addcbar=False)

    dem = salem.GeoTiff(get_demo_file('hef_srtm.tif'))
    dem.set_subset(margin=-100)

    dem = salem.grids.local_mercator_grid(center_ll=(10.76, 46.798444),
                                               extent=(10000, 7000))

    i, j = dem.ij_coordinates
    g = GoogleVisibleMap(x=i, y=j, src=dem, size_x=500, size_y=400)
    img = g.get_vardata()

    m = Map(dem, countries=False)

    assert_raises(ValueError, m.set_data, img)

    m.set_lonlat_countours(interval=0.025)
    m.set_shapefile(get_demo_file('Hintereisferner.shp'),
                    linewidths=2, edgecolor='darkred')
    m.set_rgb(img, g.grid)
    m.visualize(addcbar=False)
Пример #3
0
def test_oceans():

    f = os.path.join(get_demo_file('wrf_tip_d1.nc'))
    grid = GeoNetcdf(f).grid
    m = Map(grid, countries=False)
    m.set_shapefile(rivers=True, linewidths=2)
    m.set_shapefile(oceans=True, edgecolor='k', linewidth=3)

    fig, ax = plt.subplots(1, 1)
    m.visualize(ax=ax, addcbar=False)
    plt.tight_layout()