def fetch_tile_range(thread_no, svc, layer, startX, endX, stepX, startY, endY, stepY, z, total, zcount, start, force=False, reverse=False, delay=0):
from Layer import Tile
print "Generating tiles from (", startX, ",", startY, ") to (", endX, ",", endY, ")"
# Local count
total_tiles = (endY - startY) * (endX - startX)
for y in range(startY, endY, stepY):
for x in range(startX, endX, stepX):
try:
tileStart = time.time()
tile = Tile(layer,x,y,z)
bounds = tile.bounds()
svc.renderTile(tile,force=force)
total += 1
zcount += 1
box = "(%.4f %.4f %.4f %.4f)" % bounds
print "[Thread %s] %01d (%06d, %06d) = %s [%.4fs : %.3f/s] %s/%s" \
% (thread_no, z,x,y, box, time.time() - tileStart, total / (time.time() - start + .0001), zcount, total_tiles)
if delay:
time.sleep(delay)
except KeyboardInterrupt, k:
return
except Exception, e:
print >> sys.stderr, "Thread [%s]" % thread_no
print >> sys.stderr, e
print >> sys.stderr, "(%s, %s, %s) %s/%s" % (x, y, z, zcount, total_tiles)
def seed(svc, base, layer, levels=(0, 5), bbox=None):
from Layer import Tile
if not bbox: bbox = layer.bbox
start = time.time()
total = 0
for z in range(*levels):
bottomleft = layer.getClosestCell(z, bbox[0:2])
topright = layer.getClosestCell(z, bbox[2:4])
print >> sys.stderr, "###### %s, %s" % (bottomleft, topright)
zcount = 0
metaSize = layer.getMetaSize(z)
ztiles = int(
math.ceil(float(topright[1] - bottomleft[1]) / metaSize[0]) *
math.ceil(float(topright[0] - bottomleft[0]) / metaSize[1]))
for y in range(bottomleft[1], topright[1], metaSize[1]):
for x in range(bottomleft[0], topright[0], metaSize[0]):
tileStart = time.time()
tile = Tile(layer, x, y, z)
bounds = tile.bounds()
svc.renderTile(tile)
total += 1
zcount += 1
box = "(%.4f %.4f %.4f %.4f)" % bounds
print "%02d (%06d, %06d) = %s [%.4fs : %.3f/s] %s/%s" \
% (z,x,y, box, time.time() - tileStart, total / (time.time() - start + .0001), zcount, ztiles)
def seed(svc,
layer,
levels=(0, 5),
bbox=None,
padding=0,
force=False,
reverse=False,
delay=0):
from Layer import Tile
try:
padding = int(padding)
except:
raise Exception(
'Your padding parameter is %s, but should be an integer' % padding)
if not bbox: bbox = layer.bbox
start = time.time()
total = 0
for z in range(*levels):
bottomleft = layer.getClosestCell(z, bbox[0:2])
topright = layer.getClosestCell(z, bbox[2:4])
# Why Are we printing to sys.stderr??? It's not an error.
# This causes a termination if run from cron or in background if shell is terminated
#print >>sys.stderr, "###### %s, %s" % (bottomleft, topright)
print "###### %s, %s" % (bottomleft, topright)
zcount = 0
metaSize = layer.getMetaSize(z)
ztiles = int(
math.ceil(float(topright[1] - bottomleft[1]) / metaSize[0]) *
math.ceil(float(topright[0] - bottomleft[0]) / metaSize[1]))
if reverse:
startX = topright[0] + metaSize[0] + (1 * padding)
endX = bottomleft[0] - (1 * padding)
stepX = -metaSize[0]
startY = topright[1] + metaSize[1] + (1 * padding)
endY = bottomleft[1] - (1 * padding)
stepY = -metaSize[1]
else:
startX = bottomleft[0] - (1 * padding)
endX = topright[0] + metaSize[0] + (1 * padding)
stepX = metaSize[0]
startY = bottomleft[1] - (1 * padding)
endY = topright[1] + metaSize[1] + (1 * padding)
stepY = metaSize[1]
for y in range(startY, endY, stepY):
for x in range(startX, endX, stepX):
tileStart = time.time()
tile = Tile(layer, x, y, z)
bounds = tile.bounds()
svc.renderTile(tile, force=force)
total += 1
zcount += 1
box = "(%.4f %.4f %.4f %.4f)" % bounds
print "%02d (%06d, %06d) = %s [%.4fs : %.3f/s] %s/%s" \
% (z,x,y, box, time.time() - tileStart, total / (time.time() - start + .0001), zcount, ztiles)
if delay:
time.sleep(delay)
def seed (svc, layer, levels = (0, 5), bbox = None, padding = 0, force = False, reverse = False, delay = 0 ):
from Layer import Tile
try:
padding = int(padding)
except:
raise Exception('Your padding parameter is %s, but should be an integer' % padding)
if not bbox: bbox = layer.bbox
start = time.time()
total = 0
for z in range(*levels):
sys.stdout.write ("z:"+str(z))
bottomleft = layer.getClosestCell(z, bbox[0:2])
topright = layer.getClosestCell(z, bbox[2:4])
# Why Are we printing to sys.stderr??? It's not an error.
# This causes a termination if run from cron or in background if shell is terminated
#print >>sys.stderr, "###### %s, %s" % (bottomleft, topright)
print "###### %s, %s" % (bottomleft, topright)
zcount = 0
metaSize = layer.getMetaSize(z)
zTileDim = 2**z
ztiles = int(math.ceil(float(topright[1] - bottomleft[1]) / metaSize[0]) * math.ceil(float(topright[0] - bottomleft[0]) / metaSize[1]))
if reverse:
startX = topright[0] + metaSize[0] + (1 * padding)
endX = bottomleft[0] - (1 * padding)
stepX = -metaSize[0]
startY = topright[1] + metaSize[1] + (1 * padding)
endY = bottomleft[1] - (1 * padding)
stepY = -metaSize[1]
else:
startX = bottomleft[0] - (1 * padding)
endX = topright[0] + metaSize[0] + (1 * padding)
stepX = metaSize[0]
startY = bottomleft[1] - (1 * padding)
endY = topright[1] + metaSize[1] + (1 * padding)
stepY = metaSize[1]
if endX >= zTileDim:
endX = endX - stepX
if endY >= zTileDim:
endY = endY - stepX
for y in range(int(startY), int(endY), stepY):
for x in range(int(startX), int(endX), stepX):
tileStart = time.time()
tile = Tile(layer,x,y,z)
bounds = tile.bounds()
svc.renderTile(tile,force=force)
total += 1
zcount += 1
box = "(%.4f %.4f %.4f %.4f)" % bounds
print "%02d (%06d, %06d) = %s [%.4fs : %.3f/s] %s/%s" \
% (z,x,y, box, time.time() - tileStart, total / (time.time() - start + .0001), zcount, ztiles)
if delay:
time.sleep(delay)
def seed (layer, levels = (0, 5), bbox = None, zone = "", path_to_tiles= "", delete = False):
from Layer import Tile
if not bbox: bbox = layer.bbox
geom_filter = loads(zone)
for z in range(*levels):
bottomleft = layer.getClosestCell(z, bbox[0:2])
topright = layer.getClosestCell(z, bbox[2:4])
print "###### %s, %s" % (bottomleft, topright)
zcount = 0
metaSize = (1,1)
ztiles = int(math.ceil(float(topright[1] - bottomleft[1]) / metaSize[0]) * math.ceil(float(topright[0] - bottomleft[0]) / metaSize[1]))
startX = topright[0] + metaSize[0]
endX = bottomleft[0]
stepX = -metaSize[0]
startY = topright[1] + metaSize[1]
endY = bottomleft[1]
stepY = -metaSize[1]
for y in range(startY, endY, stepY):
for x in range(startX, endX, stepX):
tile = Tile(layer,x,y,z)
bounds = tile.bounds()
tile_wkt = "POLYGON ((%s %s, %s %s, %s %s, %s %s, %s %s))" % (bounds[0], bounds[1], bounds[0], bounds[3], bounds[2], bounds[3], bounds[2], bounds[1], bounds[0], bounds[1])
tile_geom = loads(tile_wkt)
intersect = geom_filter.intersects(tile_geom)
if not intersect:
# Then delete the tile
zcount += 1
file_to_del = "%s/%s/%d/%d/%d.%s" % (path_to_tiles,layer.name, z, x, y, layer.extension)
if not delete:
print "To be deleted : %s" % (file_to_del)
else :
try:
os.remove(file_to_del)
print "File deleted : %s" % (file_to_del)
except:
print "File not found : %s" % (file_to_del)
pass
def seed(svc, base, layer, levels=(0, 5), bbox=None):
from Layer import Tile
if not bbox:
bbox = layer.bbox
start = time.time()
total = 0
for z in range(*levels):
bottomleft = layer.getClosestCell(z, bbox[0:2])
topright = layer.getClosestCell(z, bbox[2:4])
print >> sys.stderr, "###### %s, %s" % (bottomleft, topright)
zcount = 0
metaSize = layer.getMetaSize(z)
ztiles = int(
math.ceil(float(topright[1] - bottomleft[1]) / metaSize[0])
* math.ceil(float(topright[0] - bottomleft[0]) / metaSize[1])
)
for y in range(bottomleft[1], topright[1], metaSize[1]):
for x in range(bottomleft[0], topright[0], metaSize[0]):
tileStart = time.time()
tile = Tile(layer, x, y, z)
bounds = tile.bounds()
svc.renderTile(tile)
total += 1
zcount += 1
box = "(%.4f %.4f %.4f %.4f)" % bounds
print "%02d (%06d, %06d) = %s [%.4fs : %.3f/s] %s/%s" % (
z,
x,
y,
box,
time.time() - tileStart,
total / (time.time() - start + 0.0001),
zcount,
ztiles,
)
def thaw_GET(self, msgtxt, layers):
layername, level, row, col = struct.unpack(self.tilespec, msgtxt)
self.tile = Tile(layers[layername], row, col, level)
