def main():
for tile,points in groupby(read_points(stdin), lambda x: x[0]):
try:
zoom = get_zoom(tile)
map = init_map(zoom, points)
map.zoom_all()
im = mapnik.Image(256,256)
mapnik.render(map,im)
emit(tile, encode_image(im))
except Exception as e:
print_status("Error while rendering tile %s: %s" % (tile,e))
raise e
def main():
for tile, points in groupby(read_points(stdin), lambda x: x[0]):
try:
zoom = get_zoom(tile)
map = init_map(zoom, points)
map.zoom_all()
im = mapnik.Image(256, 256)
mapnik.render(map, im)
emit(tile, encode_image(im))
except Exception as e:
print_status("Error while rendering tile %s: %s" % (tile, e))
raise e
from os.path import dirname
from shapely.geometry import box, Point
from sys import path, stdin, stderr
from tilebrute.core import print_status, inc_counter, emit, which, merc_srs
try:
from gdal2tiles import GlobalMercator
except ImportError:
# look for gdal2tiles in the system path
p = which('gdal2tiles.py')
if p:
path.append(dirname(p))
from gdal2tiles import GlobalMercator
else:
print_status('Unable to locate gdal2tiles.py in PYTHONPATH or PATH. Aborting.')
raise
# quadkey[zoom -z]
# quadkey[levelOfDetail -i]
# geo helpers
def tile_to_meters_Box2d(tile):
"""
From a 'tile string' of the form tx,ty,zoom', create a mapnik.Box2d
corresponding to that tile's extend in meters.
"""
merc = GlobalMercator()
tx,ty,z = [int(x) for x in tile.split(',')]
tx,ty = merc.GoogleTile(tx,ty,z)
from os.path import dirname
from shapely.geometry import box, Point
from sys import path, stdin, stderr
from tilebrute.core import print_status, inc_counter, emit, which, merc_srs
try:
from gdal2tiles import GlobalMercator
except ImportError:
# look for gdal2tiles in the system path
p = which('gdal2tiles.py')
if p:
path.append(dirname(p))
from gdal2tiles import GlobalMercator
else:
print_status(
'Unable to locate gdal2tiles.py in PYTHONPATH or PATH. Aborting.')
raise
# quadkey[zoom -z]
# quadkey[levelOfDetail -i]
# geo helpers
def tile_to_meters_Box2d(tile):
"""
From a 'tile string' of the form tx,ty,zoom', create a mapnik.Box2d
corresponding to that tile's extend in meters.
"""
merc = GlobalMercator()
tx, ty, z = [int(x) for x in tile.split(',')]
