def render_tile(z,x,y,db,coastlines=False):
callback = "onKothicDataResponse"
bbox = projections.bbox_by_tile(z+1,x,y,"EPSG:3857")
style = MapCSS(0,30)
style.parse(open(os.path.join(os.path.dirname(__file__),"server.mapcss"),"r").read())
zoom = z+2
if coastlines is True:
tiledata = get_vectors(db,bbox,zoom,style,"coastline")
tiledata["features"].extend(get_vectors(db,bbox,zoom,style,"polygon")["features"])
else:
tiledata = get_vectors(db,bbox,zoom,style,"polygon")
tiledata["features"].extend(get_vectors(db,bbox,zoom,style,"line")["features"])
tiledata["features"].extend(get_vectors(db,bbox,zoom,style,"point")["features"])
tiledata = callback+"("+json.dumps(tiledata,True,False,separators=(',', ':'))+",%s,%s,%s);"%(z,x,y)
return tiledata
def kothic_fetcher(z, x, y, this_layer):
if "max_zoom" in this_layer:
if z >= this_layer["max_zoom"]:
return None
bbox = projections.bbox_by_tile(z, x, y, "EPSG:3857")
db = DataBackend(path="/home/kom/osm/kothic/src/tiles")
res = RasterTile(256, 256, 1, db, "EPSG:3857")
res.update_surface(bbox, z, style)
f = NamedTemporaryFile()
f.close()
res.surface.write_to_png(f.name)
del res
del db
im = Image.open(f.name)
os.unlink(f.name)
im = im.convert("RGBA")
return im
def kothic_fetcher(z, x, y, this_layer):
if "max_zoom" in this_layer:
if z >= this_layer["max_zoom"]:
return None
bbox = projections.bbox_by_tile(z, x, y, "EPSG:3857")
db = DataBackend(path="/home/kom/osm/kothic/src/tiles")
res = RasterTile(256, 256, 1, db, "EPSG:3857")
res.update_surface(bbox, z, style)
f = NamedTemporaryFile()
f.close()
res.surface.write_to_png(f.name)
del res
del db
im = Image.open(f.name)
os.unlink(f.name)
im = im.convert("RGBA")
return im
def get_tile(x, y, z, conf):
if z>conf['maxz']:
return
style = conf['style']
callback = "onKothicDataResponse"
connect_string = "dbname=" + conf['dbname'] + " user="******"EPSG:3857")
zoom = z+2
#aaaa = get_vectors(database,bbox,zoom,style,"coastline")
aaaa = get_vectors(database,bbox,zoom,style,"polygon")
aaaa["features"].extend(get_vectors(database,bbox,zoom,style,"polygon")["features"])
aaaa["features"].extend(get_vectors(database,bbox,zoom,style,"line")["features"])
# aaaa["features"].extend(get_vectors(database,bbox,zoom,style,"point")["features"])
aaaa = callback+"("+json.dumps(aaaa,True,False,separators=(',', ':'))+",%s,%s,%s);"%(z,x,y)
return aaaa
print "need z"
exit()
if "x" not in form:
print "need x"
exit()
if "y" not in form:
print "need y"
exit()
z = int(form["z"].value)
x = int(form["x"].value)
y = int(form["y"].value)
if z > 22:
exit()
callback = "onKothicDataResponse"
bbox = projections.bbox_by_tile(z + 1, x, y, "EPSG:3857")
style = MapCSS(0, 30)
style.parse(open("styles/osmosnimki-maps.mapcss", "r").read())
zoom = z + 2
aaaa = get_vectors(bbox, zoom, style, "coastline")
aaaa["features"].extend(get_vectors(bbox, zoom, style, "polygon")["features"])
aaaa["features"].extend(get_vectors(bbox, zoom, style, "line")["features"])
aaaa["features"].extend(get_vectors(bbox, zoom, style, "point")["features"])
aaaa = callback + "(" + json.dumps(aaaa, True, False, separators=(',', ':')) + ",%s,%s,%s);" % (z, x, y)
print aaaa
dir = "/var/www/vtile/%s/%s/" % (z, x)
file = "%s.js" % y
print "need z"
exit()
if "x" not in form:
print "need x"
exit()
if "y" not in form:
print "need y"
exit()
z = int(form["z"].value)
x = int(form["x"].value)
y = int(form["y"].value)
if z > 22:
exit()
callback = "onKothicDataResponse"
bbox = projections.bbox_by_tile(z + 1, x, y, "EPSG:3857")
style = MapCSS(0, 30)
style.parse(open("styles/osmosnimki-maps.mapcss", "r").read())
zoom = z + 2
aaaa = get_vectors(bbox, zoom, style, "coastline")
aaaa["features"].extend(get_vectors(bbox, zoom, style, "polygon")["features"])
aaaa["features"].extend(get_vectors(bbox, zoom, style, "line")["features"])
aaaa["features"].extend(get_vectors(bbox, zoom, style, "point")["features"])
aaaa = callback + "(" + json.dumps(
aaaa, True, False, separators=(',', ':')) + ",%s,%s,%s);" % (z, x, y)
print aaaa
dir = "/var/www/vtile/%s/%s/" % (z, x)
file = "%s.js" % y
self._singlethread = False
self._prerender = True
def __getitem__(self,(z,x,y),wait=False):
try:
#if "surface" in self.tiles[(z,x,y)] and not wait:
# self._callback((z,x,y), True)
print "Tiles count:", len(self.tiles)
return self.tiles[(z,x,y)]["surface"]
except:
self.tiles[(z,x,y)] = {"tile": RasterTile(self.tilewidth, self.tileheight, z, self.data_backend)}
self.tiles[(z,x,y)]["start_time"] = datetime.datetime.now()
if self._singlethread:
self.tiles[(z,x,y)]["surface"] = self.tiles[(z,x,y)]["tile"].surface
self.tiles[(z,x,y)]["tile"].update_surface(projections.bbox_by_tile(z,x,y,"EPSG:3857"), z, self.style_backend, lambda p=False: self._callback((z,x,y),p))
del self.tiles[(z,x,y)]["tile"]
else:
self.tiles[(z,x,y)]["surface"] = self.tiles[(z,x,y)]["tile"].surface.create_similar(cairo.CONTENT_COLOR_ALPHA, self.tilewidth, self.tileheight)
self.tiles[(z,x,y)]["thread"] = threading.Thread(None, self.tiles[(z,x,y)]["tile"].update_surface,None, (projections.bbox_by_tile(z,x,y,"EPSG:3857"), z, self.style_backend, lambda p=False: self._callback((z,x,y),p)))
self.tiles[(z,x,y)]["thread"].start()
if wait:
self.tiles[(z,x,y)]["thread"].join()
return self.tiles[(z,x,y)]["surface"]
def _callback (self, (z,x,y),last):
#if last:
# print last, "dddddddddddddddddd"
if not self._singlethread:
if ((z,x,y) in self.onscreen or last) and "tile" in self.tiles[(z,x,y)]:
cr = cairo.Context(self.tiles[(z,x,y)]["surface"])
print "Tiles count:", len(self.tiles)
return self.tiles[(z, x, y)]["surface"]
except:
self.tiles[(z, x, y)] = {
"tile":
RasterTile(self.tilewidth, self.tileheight, z,
self.data_backend)
}
self.tiles[(z, x, y)]["start_time"] = datetime.datetime.now()
if self._singlethread:
self.tiles[(z, x,
y)]["surface"] = self.tiles[(z, x,
y)]["tile"].surface
self.tiles[(z, x, y)]["tile"].update_surface(
projections.bbox_by_tile(z, x, y, "EPSG:3857"),
z,
self.style_backend,
lambda p=False: self._callback((z, x, y), p))
del self.tiles[(z, x, y)]["tile"]
else:
self.tiles[(z, x, y)]["surface"] = self.tiles[(
z, x, y)]["tile"].surface.create_similar(
cairo.CONTENT_COLOR_ALPHA, self.tilewidth,
self.tileheight)
self.tiles[(z, x, y)]["thread"] = threading.Thread(
None, self.tiles[(z, x, y)]["tile"].update_surface, None,
(projections.bbox_by_tile(z, x, y, "EPSG:3857"), z,
self.style_backend, lambda p=False: self._callback(
(z, x, y), p)))
z = int(form["z"])
x = int(form["x"])
y = int(form["y"])
import sys
coords = sys.argv[1] #'12/10590/1450'
z, x, y = coords.split('/')
z = int(z)
x = int(x)
y = int(y)
print z, x, y
if z>22:
exit()
callback = "onKothicDataResponse"
bbox = projections.bbox_by_tile(z+1,x,y,"EPSG:900913")
style = MapCSS(0,30)
style.parse(open("styles/osmosnimki-maps.mapcss","r").read())
zoom = z
aaaa = get_vectors(bbox,zoom,style)
aaaa["features"].extend(get_vectors(bbox,zoom,style,"polygon")["features"])
aaaa["features"].extend(get_vectors(bbox,zoom,style,"line")["features"])
aaaa["features"].extend(get_vectors(bbox,zoom,style,"point")["features"])
aaaa = callback+"("+json.dumps(aaaa,True,False,separators=(',', ':'))+",%s,%s,%s);"%(z,x,y)
#print aaaa
dir = "vtile/%s/%s/"%(z,x)
file = "%s.js"%y