def MultiTileSave(getArea, queryArea, zoom):
tl = slippy.deg2num(queryArea[3], queryArea[0], 11)
br = slippy.deg2num(queryArea[1], queryArea[2], 11)
for tilex in range(tl[0], br[0]+2):
if not os.path.exists(str(tilex)):
os.mkdir(str(tilex))
for tiley in range(tl[1], br[1]+2):
fina = "{0}/{1}.osm.bz2".format(tilex, tiley)
try:
getArea.GetTile(tilex, tiley, zoom, bz2.BZ2File(fina, "w"), False)
except RuntimeError as err:
print err
os.unlink(fina)
def GetViewBounds(self): tilex, tiley = slippy.deg2num(self.viewPos[0], self.viewPos[1], self.viewZoom) #print tilex, tiley left = tilex - 0.5 * self.size[0] / self.tileSize right = tilex + 0.5 * self.size[0] / self.tileSize top = tiley - 0.5 * self.size[1] / self.tileSize bottom = tiley + 0.5 * self.size[1] / self.tileSize return left, right, top, bottom
def RecusiveZoomAdd(self, currentZoom, lat, lon, objId, version):
tilex, tiley = slippy.deg2num(lat, lon, currentZoom)
#print lat, lon, tilex, tiley
#fullFile = "/{0}/{1}/{2}.full".format(currentZoom, tilex, tiley)
#if self.outFileSystem.exists(fullFile) and currentZoom < self.maxZoom:
# self.RecusiveZoomAdd(currentZoom + 1, lat, lon, objId, version)
# return
fi = self.Open(currentZoom, tilex, tiley)
objIdInt = int(objId)
if objIdInt == 0:
print "Warning: adding a zero objId"
fi.write(self.entry.pack(objIdInt, version))
numEntries = len(fi) / self.entry.size
def on_touch_move(self, touch): #Calculate distance dragged relativeMove = (touch.pos[0] - self.lastTouch[0], touch.pos[1] - self.lastTouch[1]) self.lastTouch = touch.pos fractRelativeMove = (relativeMove[0] / self.size[0], relativeMove[1] / self.size[1]) #Update view left, right, top, bottom = self.GetViewBounds() dx = (right - left) * fractRelativeMove[0] dy = (bottom - top) * fractRelativeMove[1] tilex, tiley = slippy.deg2num(self.viewPos[0], self.viewPos[1], self.viewZoom) tilex -= dx tiley += dy self.viewPos = slippy.num2deg(tilex, tiley, self.viewZoom) self.UpdateExistingTilePositions() self.AddNewTilesAsRequired() self.RemoveUnneededTiles()
