def test_pil():
image_manager = PILImageManager("RGB")
osm = OSMManager(image_manager=image_manager)
image, bounds = osm.create_osm_image((30, 31, -117, -116), 9)
wh_ratio = float(image.size[0]) / image.size[1]
image2 = image.resize((int(800 * wh_ratio), 800), Image.ANTIALIAS)
del image
image2.show()
def _get_osm_image(bbox, zoom, osm_base):
# Just a wrapper for osm.createOSMImage to translate coordinate schemes
try:
from osmviz.manager import PILImageManager, OSMManager
osm = OSMManager(cache="./tmp",
image_manager=PILImageManager('RGB'),
server=osm_base)
(c1, c2) = bbox.corners()
image, bounds = osm.create_osm_image((c1.lat, c2.lat, c1.lon, c2.lon),
zoom)
(lat1, lat2, lon1, lon2) = bounds
return image, Extent(coords=(LatLon(lat1, lon1), LatLon(lat2, lon2)))
except ImportError as e:
logging.error(
"ImportError: %s.\n"
"The --osm option depends on the osmviz module, available from\n"
"http://cbick.github.com/osmviz/\n\n" % str(e))
sys.exit(1)
"""
This example demonstrates how to create and show a PIL image
of OSM tiles patched together.
"""
from PIL import Image
from osmviz.manager import OSMManager, PILImageManager
image_manager = PILImageManager("RGB")
osm = OSMManager(image_manager=image_manager)
image, bounds = osm.create_osm_image((30, 35, -117, -112), 9)
wh_ratio = float(image.size[0]) / image.size[1]
image2 = image.resize((int(800 * wh_ratio), 800), Image.ANTIALIAS)
del image
image2.show()
