def get_location_tiles(top_left, bottom_right, zoom, layer):
top_left_tile = mapTool.coord_to_tile((top_left[0], top_left[1], zoom))
bottom_right_tile = mapTool.coord_to_tile((bottom_right[0], bottom_right[1], zoom))
xmin = top_left_tile[0][0]
ymin = top_left_tile[0][1]
xmax = bottom_right_tile[0][0]
ymax = bottom_right_tile[0][1]
return get_region_tiles(xmin, xmax, ymin, ymax, zoom, layer)
def get_location_tiles(top_left, bottom_right, zoom, layer):
top_left_tile = mapTool.coord_to_tile((top_left[0], top_left[1], zoom))
bottom_right_tile = mapTool.coord_to_tile(
(bottom_right[0], bottom_right[1], zoom))
xmin = top_left_tile[0][0]
ymin = top_left_tile[0][1]
xmax = bottom_right_tile[0][0]
ymax = bottom_right_tile[0][1]
return get_region_tiles(xmin, xmax, ymin, ymax, zoom, layer)
def merge_location_image(top_left, bottom_right, zoom, layer):
top_left_tile = mapTool.coord_to_tile((top_left[0], top_left[1], zoom))
bottom_right_tile = mapTool.coord_to_tile(
(bottom_right[0], bottom_right[1], zoom))
xmin = top_left_tile[0][0]
ymin = top_left_tile[0][1]
xmax = bottom_right_tile[0][0]
ymax = bottom_right_tile[0][1]
world_tiles = 1 << zoom
if xmax - xmin >= world_tiles:
xmin, xmax = 0, world_tiles - 1
if ymax - ymin >= world_tiles:
ymin, ymax = 0, world_tiles - 1
width = (xmax - xmin + world_tiles) % world_tiles + 1
height = (ymax - ymin + world_tiles) % world_tiles + 1
map_image = Image.new("RGB", (width * 256, height * 256))
for i in xrange(width):
x = (xmin + i) % world_tiles
for j in xrange(height):
y = (ymin + j) % world_tiles
tile = MapTile(layer, x, y, zoom)
file_path = tile.get_file_path()
if os.path.exists(file_path):
paste_box = (i * 256, j * 256, (i + 1) * 256, (j + 1) * 256)
paste_im = Image.open(file_path)
map_image.paste(paste_im, paste_box)
if layer == 'sat_cn':
tile = MapTile('road_cn', x, y, zoom)
file_path = tile.get_file_path()
if os.path.exists(file_path):
#paste_box = (i*256, j*256, (i+1)*256, (j+1)*256)
paste_im = Image.open(file_path)
map_image.paste(paste_im, paste_box, paste_im)
return map_image
def merge_location_image(top_left, bottom_right, zoom, layer):
top_left_tile = mapTool.coord_to_tile((top_left[0], top_left[1], zoom))
bottom_right_tile = mapTool.coord_to_tile((bottom_right[0], bottom_right[1], zoom))
xmin = top_left_tile[0][0]
ymin = top_left_tile[0][1]
xmax = bottom_right_tile[0][0]
ymax = bottom_right_tile[0][1]
world_tiles = 1 << zoom
if xmax - xmin >= world_tiles:
xmin, xmax = 0, world_tiles-1
if ymax - ymin >= world_tiles:
ymin, ymax = 0, world_tiles-1
width = (xmax - xmin+world_tiles)%world_tiles + 1
height = (ymax - ymin+world_tiles)%world_tiles + 1
map_image = Image.new("RGB", (width*256,height*256))
for i in xrange(width):
x = (xmin + i)%world_tiles
for j in xrange(height):
y = (ymin + j)%world_tiles
tile = MapTile(layer, x, y, zoom)
file_path = tile.get_file_path()
if os.path.exists(file_path):
paste_box = (i*256, j*256, (i+1)*256, (j+1)*256)
paste_im = Image.open(file_path)
map_image.paste(paste_im, paste_box)
if layer == 'sat_cn':
tile = MapTile('road_cn', x, y, zoom)
file_path = tile.get_file_path()
if os.path.exists(file_path):
#paste_box = (i*256, j*256, (i+1)*256, (j+1)*256)
paste_im = Image.open(file_path)
map_image.paste(paste_im, paste_box, paste_im)
return map_image
