def test_basemap(dump):
polygons = haz_files.ReadBNA(input_file, 'PolygonSet')
gmap = map_canvas.MapCanvas((400, 800), polygons)
gmap.draw_background()
gmap.save_background(os.path.join(dump, 'background1.png'))
assert True
def test_basemap_wide(dump_folder):
polygons = haz_files.ReadBNA(input_file, 'PolygonSet')
gmap = map_canvas.MapCanvas((800, 400), polygons)
gmap.draw_background()
gmap.save_background(os.path.join(dump_folder, 'background2.png'))
assert True
def test_basemap_square3(dump):
p1 = Polygon([[0, 45], [1, 45], [1, 46], [0, 46]], metadata=('name'
, 'land', '1'))
poly_set = PolygonSet()
poly_set.append(p1)
gmap = map_canvas.MapCanvas((300, 100), land_polygons=poly_set)
gmap.draw_background()
gmap.save_background(os.path.join(dump, 'background_square3.png'))
assert True
def test_draw_raster_map(dump):
"""
tests drawing the raster map
"""
import gnome
polygons = haz_files.ReadBNA(input_file, 'PolygonSet')
gmap = map_canvas.MapCanvas((1000, 1000), polygons)
gmap.viewport = ((-127.47,48.10),(-127.22, 48.24))
gmap.draw_background()
# make a raster map out of the BNA:
raster_map = gnome.map.MapFromBNA(input_file, raster_size=10000)
gmap.draw_raster_map(raster_map, outline=True)
gmap.save_background(os.path.join(dump, 'raster.png'))
def plot_LEs(positions, filename='le_plot.png'):
"""
plot the LEs and save as an image
"""
# compute the bounding box:
bb = BBox.fromPoints(positions)
# bb.scale(1.1)
canvas = map_canvas.MapCanvas(
(500, 500),
viewport=bb,
preset_colors='web',
background_color='white',
)
canvas.draw_points(positions,
diameter=1,
color='black',
shape="round",
background=False)
canvas.save("test.png")