def __getitem__(self, key):
if self.cache_responses:
if key in self.seen_layers:
return self.seen_layers[key]
elif key in self.lookup_failures:
# If we are caching, raise KnownUnknown if we have previously failed to find this layer
raise TileStache.KnownUnknown("Layer %s previously not found",
key)
logging.debug("Requesting layer %s", self.url_root + "/layer/" + key)
res = urlopen(self.url_root + "/layer/" + key)
if (res.getcode() != 200):
logging.info("Config response code %s for %s", res.getcode(), key)
if (self.cache_responses):
self.lookup_failures.add(key)
raise TileStache.KnownUnknown("Layer %s not found", key)
try:
layer = self.parse_layer(res)
self.seen_layers[key] = layer
return layer
except ValueError:
logging.error("Invalid JSON response seen for %s", key)
if (self.cache_responses):
# If caching responses, cache this failure
self.lookup_failures.add(key)
# KnownUnknown seems like the appropriate thing to raise here since this is akin
# to a missing configuration.
raise TileStache.KnownUnknown(
"Failed to parse JSON configuration for %s", key)
def tiles(request, service_slug, z, x, y, extension):
"""
Proxy to tilestache
{X} - coordinate column.
{Y} - coordinate row.
{B} - bounding box.
{Z} - zoom level.
{S} - host.
"""
service = TileService.objects.get(slug=service_slug)
config = {
"cache": {"name": "Test"},
"layers": {}
}
config["layers"][service_slug]={
"provider": {
'name': 'mapnik',
"mapfile": service.mapfile
}
}
config = TileStache.Config.buildConfiguration(config)
path_info = "%s/%s/%s/%s.%s" % (service_slug, z, x, y, extension)
coord, extension = TileStache.splitPathInfo(path_info)[1:]
mimetype, content = TileStache.getTile(config.layers[service_slug], coord, extension)
return HttpResponse(content, mimetype=mimetype)
def seed_resource_cache():
datatype_factory = DataTypeFactory()
zooms = range(settings.CACHE_SEED_MAX_ZOOM + 1)
extension = 'pbf'
lat1, lon1, lat2, lon2 = GeoUtils().get_bounds_from_geojson(settings.CACHE_SEED_BOUNDS)
south, west = min(lat1, lat2), min(lon1, lon2)
north, east = max(lat1, lat2), max(lon1, lon2)
northwest = Location(north, west)
southeast = Location(south, east)
padding = 0
datatypes = [
d.pk for d in models.DDataType.objects.filter(isgeometric=True)]
nodes = models.Node.objects.filter(
graph__isresource=True, datatype__in=datatypes)
for node in nodes:
datatype = datatype_factory.get_instance(node.datatype)
count = models.TileModel.objects.filter(
data__has_key=str(node.nodeid)).count()
if datatype.should_cache(node) and count > 0:
config = TileStache.parseConfig(get_tileserver_config(node.nodeid))
layer = config.layers[str(node.nodeid)]
ul = layer.projection.locationCoordinate(northwest)
lr = layer.projection.locationCoordinate(southeast)
coordinates = generateCoordinates(ul, lr, zooms, padding)
for (offset, count, coord) in coordinates:
path = '%s/%d/%d/%d.%s' % (layer.name(), coord.zoom,
coord.column, coord.row, extension)
progress = {"tile": path,
"offset": offset + 1,
"total": count}
attempts = 3
rendered = False
while not rendered:
print '%(offset)d of %(total)d...' % progress,
try:
mimetype, content = TileStache.getTile(
layer, coord, extension, True)
except:
attempts -= 1
print 'Failed %s, will try %s more.' % (progress['tile'], ['no', 'once', 'twice'][attempts])
if attempts == 0:
print 'Failed %(zoom)d/%(column)d/%(row)d, trying next tile.\n' % coord.__dict__
break
else:
rendered = True
progress['size'] = '%dKB' % (len(content) / 1024)
print '%(tile)s (%(size)s)' % progress
def seed_resource_cache():
zooms = range(settings.CACHE_SEED_MAX_ZOOM + 1)
extension = 'pbf'
lat1, lon1, lat2, lon2 = settings.CACHE_SEED_BOUNDS
south, west = min(lat1, lat2), min(lon1, lon2)
north, east = max(lat1, lat2), max(lon1, lon2)
northwest = Location(north, west)
southeast = Location(south, east)
padding = 0
datatypes = [
d.pk for d in models.DDataType.objects.filter(isgeometric=True)
]
nodes = models.Node.objects.filter(graph__isresource=True,
datatype__in=datatypes)
for node in nodes:
datatype = datatype_factory.get_instance(node.datatype)
count = models.TileModel.objects.filter(
data__has_key=str(node.nodeid)).count()
if datatype.should_cache(node) and count > 0:
config = TileStache.parseConfig(get_tileserver_config(node.nodeid))
layer = config.layers[str(node.nodeid)]
ul = layer.projection.locationCoordinate(northwest)
lr = layer.projection.locationCoordinate(southeast)
coordinates = generateCoordinates(ul, lr, zooms, padding)
for (offset, count, coord) in coordinates:
path = '%s/%d/%d/%d.%s' % (layer.name(), coord.zoom,
coord.column, coord.row, extension)
progress = {"tile": path, "offset": offset + 1, "total": count}
attempts = 3
rendered = False
while not rendered:
print '%(offset)d of %(total)d...' % progress,
try:
mimetype, content = TileStache.getTile(
layer, coord, extension, True)
except:
attempts -= 1
print 'Failed %s, will try %s more.' % (
progress['tile'], ['no', 'once', 'twice'
][attempts])
if attempts == 0:
print 'Failed %(zoom)d/%(column)d/%(row)d, trying next tile.\n' % coord.__dict__
break
else:
rendered = True
progress['size'] = '%dKB' % (len(content) / 1024)
print '%(tile)s (%(size)s)' % progress
def tilestache(request, layer_name, z, x, y, extension):
"""
Proxy to tilestache
{X} - coordinate column.
{Y} - coordinate row.
{B} - bounding box.
{Z} - zoom level.
{S} - host.
"""
config = get_config()
path_info = "%s/%s/%s/%s.%s" % (layer_name, z, x, y, extension)
coord, extension = TileStache.splitPathInfo(path_info)[1:]
mimetype, content = TileStache.getTile(config.layers[layer_name], coord, extension)
return HttpResponse(content, mimetype=mimetype)
def render(self, config, input_img, coord):
layer_img, color_img, mask_img = None, None, None
if self.layername:
layer = config.layers[self.layername]
mime, body = TileStache.handleRequest(layer, coord, 'png')
layer_img = PIL.Image.open(StringIO(body))
if self.maskname:
layer = config.layers[self.maskname]
mime, body = TileStache.handleRequest(layer, coord, 'png')
mask_img = PIL.Image.open(StringIO(body)).convert('L')
if self.colorname:
color = makeColor(self.colorname)
color_img = PIL.Image.new('RGBA', input_img.size, color)
output_img = input_img.copy()
if layer_img and color_img and mask_img:
raise Exception('could be ugly')
elif layer_img and color_img:
output_img.paste(color_img, None, color_img)
output_img.paste(layer_img, None, layer_img)
elif layer_img and mask_img:
# need to combine the masks here
layermask_img = PIL.Image.new('RGBA', layer_img.size, (0, 0, 0, 0))
layermask_img.paste(layer_img, None, mask_img)
output_img.paste(layermask_img, None, layermask_img)
elif color_img and mask_img:
output_img.paste(color_img, None, mask_img)
elif layer_img:
output_img.paste(layer_img, None, layer_img)
elif color_img:
output_img.paste(color_img, None, color_img)
elif mask_img:
raise Exception('nothing')
else:
raise Exception('nothing')
return output_img
def tiles(layer, x, y, z):
if not tileconfig.layers.has_key(layer):
return abort(404)
coord = ModestMaps.Core.Coordinate(y, x, z)
type, bytes = TileStache.getTile(tileconfig.layers[layer], coord, 'png')
buf = BytesIO(bytes)
return send_file(buf, mimetype=type)
def add_config(self, kernel_id, **kwargs):
cache = kwargs.get("cache", self.default_cache)
self._configs[kernel_id] = ts.parseConfig({
"cache": cache,
"layers": {}
})
def tiles(request, layer_name, z, x, y, extension, custom_tile=None):
"""
Fetch tiles with tilestache.
"""
metatile = TileStache.Core.Metatile()
if custom_tile:
config = get_config(custom_tile=custom_tile)
else:
config = get_config()
path_info = "%s/%s/%s/%s.%s" % (layer_name, z, x, y, extension)
coord, extension = TileStache.splitPathInfo(path_info)[1:]
try:
tilestacheLayer = config.layers[layer_name]
except:
return HttpResponseNotFound()
status_code, headers, content = tilestacheLayer.getTileResponse(coord, extension)
mimetype = headers.get('Content-Type')
if len(content) == 0:
status_code = 404
response = HttpResponse(content, content_type=mimetype, status=status_code)
response['Access-Control-Allow-Origin'] = '*'
return response
def getTile(layer,extension,x,y,z,config):
cfg = TileStache.Config.buildConfiguration(config)
contenttype, content = TileStache.getTile(cfg.layers[layer], ModestMaps.Core.Coordinate(int(x), int(y), int(z)),extension,ignore_cached=True)
handle, filename = mkstemp(prefix='tile-', suffix='.'+extension)
os.write(handle, content)
os.close(handle)
return filename
def wms(layer,x,y,z):
if not tileconfig.layers.has_key(layer):
return abort(404)
coord = ModestMaps.Core.Coordinate(y,x,z)
type, bytes = TileStache.getTile(tileconfig.layers[layer], coord, 'png')
buf = BytesIO(bytes)
return send_file(buf, mimetype=type)
def clean_resource_cache(tile):
# get the tile model's bounds
datatype_factory = DataTypeFactory()
nodegroup = models.NodeGroup.objects.get(pk=tile.nodegroup_id)
for node in nodegroup.node_set.all():
datatype = datatype_factory.get_instance(node.datatype)
if datatype.should_cache(node) and datatype.should_manage_cache(node):
bounds = datatype.get_bounds(tile, node)
if bounds is not None:
zooms = range(20)
config = TileStache.parseConfig(
get_tileserver_config(node.nodeid))
layer = config.layers[str(node.nodeid)]
mimetype, format = layer.getTypeByExtension('pbf')
lon1, lat1, lon2, lat2 = bounds
south, west = min(lat1, lat2), min(lon1, lon2)
north, east = max(lat1, lat2), max(lon1, lon2)
northwest = Location(north, west)
southeast = Location(south, east)
ul = layer.projection.locationCoordinate(northwest)
lr = layer.projection.locationCoordinate(southeast)
padding = 0
coordinates = generateCoordinates(ul, lr, zooms, padding)
for (offset, count, coord) in coordinates:
config.cache.remove(layer, coord, format)
for key, tile_list in tile.tiles.iteritems():
for child_tile in tile_list:
clean_resource_cache(child_tile)
def get_url_tile(config, url, row, col, zoom, ext):
'''
'''
layer = config.layers[url]
coord = ModestMaps.Core.Coordinate(row, col, zoom) # (1582, 656, 12)
mime, body = TileStache.getTile(layer, coord, ext)
return (mime, body)
def get(self, request, layer_name, z, x, y, extension):
"""
Fetch tiles with tilestache.
"""
# try:
print("==GETTING TILES== {0}".format(layer_name))
extension = extension.upper()
config = get_tilestache_config()
path_info = "%s/%s/%s/%s.%s" % (layer_name, z, x, y, extension)
coord, extension = TileStache.splitPathInfo(path_info)[1:]
try:
tilestache_layer = config.layers[layer_name]
except:
return Response({'status': 'layer not found'},
status=status.HTTP_404_NOT_FOUND)
status_code, headers, content = tilestache_layer.getTileResponse(
coord, extension)
mimetype = headers.get('Content-Type')
if len(content) == 0:
status_code = 404
response = HttpResponse(
content, **{
'content_type': mimetype,
'status': status_code
})
if hasattr(tilestache_layer, 'allowed origin'):
response['Access-Control-Allow-Origin'] = tilestache_layer.get(
'allowed origin')
return response
def getTile(layer, extension, x, y, z, cfg):
contenttype, content = TileStache.getTile(cfg.layers[layer],
ModestMaps.Core.Coordinate(
int(x), int(y), int(z)),
extension,
ignore_cached=True)
return content
def add_config(self, kernel_id, **kwargs):
cache = kwargs.get("cache", self.default_cache)
self._configs[kernel_id] = ts.parseConfig({
"cache": cache,
"layers": {}
})
def handle_request(request):
config_dict = get_tileserver_config()
layer_models = models.TileserverLayers.objects.all()
for layer_model in layer_models:
config_dict['layers'][layer_model.name] = {
"provider": {
"name": "mapnik",
"mapfile": layer_model.path
}
}
config = TileStache.Config.buildConfiguration(config_dict)
path_info = request.path.replace('/tileserver/', '')
query_string = None
script_name = None
status_code, headers, content = TileStache.requestHandler2(
config, path_info, query_string, script_name)
response = HttpResponse()
response.content = content
response.status_code = status_code
for header, value in headers.items():
response[header] = value
response['Content-length'] = str(len(content))
return response
def clean_resource_cache(tile):
# get the tile model's bounds
datatype_factory = DataTypeFactory()
nodegroup = models.NodeGroup.objects.get(pk=tile.nodegroup_id)
for node in nodegroup.node_set.all():
datatype = datatype_factory.get_instance(node.datatype)
if datatype.should_cache(node) and datatype.should_manage_cache(node):
bounds = datatype.get_bounds(tile, node)
if bounds is not None:
zooms = range(20)
config = TileStache.parseConfig(
get_tileserver_config(node.nodeid))
layer = config.layers[str(node.nodeid)]
mimetype, format = layer.getTypeByExtension('pbf')
lon1, lat1, lon2, lat2 = bounds
south, west = min(lat1, lat2), min(lon1, lon2)
north, east = max(lat1, lat2), max(lon1, lon2)
northwest = Location(north, west)
southeast = Location(south, east)
ul = layer.projection.locationCoordinate(northwest)
lr = layer.projection.locationCoordinate(southeast)
padding = 0
coordinates = generateCoordinates(ul, lr, zooms, padding)
for (offset, count, coord) in coordinates:
config.cache.remove(layer, coord, format)
for key, tile_list in tile.tiles.iteritems():
for child_tile in tile_list:
clean_resource_cache(child_tile)
class TornadoRequestHandler(tornado.web.RequestHandler):
""" Create a Tornado HTTP get and post handler.
This class is documented as part of Tornado public RequestHandler API:
http://www.tornadoweb.org/en/stable/guide/structure.html
"""
def initialize(self, config=None, autoreload=False):
self.config = config
self.autoreload = autoreload
try:
self.tsconfig = TileStache.parseConfig(self.config)
except:
print "Error loading Tilestache config:"
raise
def get(self, *args, **kwargs):
if self.autoreload: # re-parse the config file on every request
try:
self.tsconfig = parseConfig(self.config)
except Exception, e:
raise Core.KnownUnknown(
"Error loading Tilestache configuration:\n%s" % str(e))
status_code, headers, content = TileStache.requestHandler2(
self.tsconfig, args[0])
# Get the header
header = headers.items()[0]
# Tornado syntax for passing headers
self.set_header(header[0], header[1])
self.write(content)
def getTileUrls(self, coord):
""" Return tile URLs that start with file://, by first retrieving them.
"""
if self.threadsafe or self.lock.acquire():
mime_type, tile_data = TileStache.getTile(self.layer, coord, 'png',
self.ignore_cached)
handle, filename = mkstemp(prefix='tilestache-compose-',
suffix='.png')
write(handle, tile_data)
close(handle)
self.files.append(filename)
if not self.threadsafe:
# must be locked, right?
self.lock.release()
if self.verbose:
size = len(tile_data) / 1024.
printlocked(
self.lock,
self.layer.name() +
'/%(zoom)d/%(column)d/%(row)d.png' % coord.__dict__,
'(%dKB)' % size)
return ('file://' + abspath(filename), )
def run(self):
rospy.init_node('rospilot_mapnik_server')
os.environ['PGUSER'] = '******'
os.environ['PGPASSWORD'] = '******'
os.environ['PGHOST'] = 'localhost'
style_file = find_in_workspaces(['share'],
'rospilot',
'share/mapnik-style/style.xml',
first_match_only=True)
if not style_file:
rospy.logfatal("Cannot find share/mapnik-style/style.xml")
else:
style_file = style_file[0]
config = expanduser(rospy.get_param('~tilestache_config_file'))
# XXX: Monkey patch Mapnik because Tilestache doesn't work with the newest version
mapnik.FontEngine.instance = staticmethod(lambda: mapnik.FontEngine)
config = buildConfiguration(
{
"cache": {
"name": "Test"
},
"layers": {
"ex": {
"provider": {
"name": "mapnik",
"mapfile": "style.xml"
},
"projection": "spherical mercator"
}
}
}, style_file)
app = TileStache.WSGITileServer(config=config)
# Mount the application
cherrypy.tree.graft(app, "/")
# Unsubscribe the default server
cherrypy.server.unsubscribe()
# Instantiate a new server object
server = cherrypy._cpserver.Server()
# Configure the server object
server.socket_host = "0.0.0.0"
server.socket_port = int(
rospy.get_param('/rospilot/mapnik_server_port'))
server.thread_pool = 5
# Subscribe this server
server.subscribe()
cherrypy.engine.start()
rospy.loginfo("Mapnik server is running")
rospy.loginfo(os.path.dirname(os.path.realpath(__file__)))
rospy.loginfo(os.getcwd())
rospy.spin()
cherrypy.engine.exit()
def app(environ, start_response):
layer, coord, ext = TileStache._splitPathInfo(environ['PATH_INFO'])
if not config.layers.get(layer, False):
status = '404 NOT FOUND'
data = ''
else:
try:
content_type, data = TileStache.handleRequest(config.layers[layer], coord, ext)
status = '200 OK'
except Exception, e:
status = '500 SERVER ERROR'
data = str(e)
def get_tile_config():
import TileStache as tilestache
pth = os.path.join(TILE_CONFIG_DIR, 'tiles.cfg')
try:
cfg = tilestache.parseConfigfile(pth)
except (IOError, ValueError):
cfg = None
return cfg
def addLayer(self, layerDef, coord):
layer = TileStache.getTile(self.layer.config.layers[layerDef['src']],
coord, 'JSON')[1]
# raise KnownUnknown(layer)
if layerDef['wrapper'] == None:
layer = json.loads(layer)
else:
layer = json.loads(layer[(len(layerDef['wrapper']) +
1):-1]) #Strip "Wrapper(...)"
gridSize = len(layer['grid'])
#init resultGrid based on given layers (if required)
if len(self.resultGrid) == 0:
for i in xrange(gridSize):
self.resultGrid.append([])
for j in xrange(gridSize):
self.resultGrid[i].append(-1)
keys = layer['keys']
keyRemap = {}
for k in keys:
if k in self.gridKeys:
for ext in xrange(ord('a'), ord('z') + 1):
if not k + chr(ext) in self.gridKeys:
keyRemap[k] = (k + chr(ext))
break
if not k in keyRemap:
raise Error("Couldn't remap")
addedKeys = [] #FIXME: HashSet<string>?
for y in xrange(gridSize):
line = layer['grid'][y]
for x in xrange(gridSize):
idNo = self.decodeId(line[x])
if keys[idNo] == "":
continue
key = keys[idNo]
if keys[idNo] in keyRemap:
key = keyRemap[keys[idNo]]
if not key in addedKeys:
self.gridKeys.append(key)
addedKeys.append(key)
if layerDef[
'layer_id'] != None and self.layer_id != None: #Add layer name attribute
layer['data'][keys[idNo]][
self.layer_id] = layerDef['layer_id']
self.gridData[key] = layer['data'][keys[idNo]]
newId = self.gridKeys.index(key)
self.resultGrid[x][y] = newId
def initialize(self, config=None, autoreload=False):
self.config = config
self.autoreload = autoreload
try:
self.tsconfig = TileStache.parseConfig(self.config)
except:
print "Error loading Tilestache config:"
raise
def tileMap(request, version, map_id, zoom, x, y):
try:
if version != "1.0":
raise Http404
try:
basqui_map = BasquiMap.objects.get(id=map_id)
layersMapOptions = LayerMapOptions.objects.filter(
basqui_map=basqui_map, visible=True).order_by('-position')
except Shapefile.DoesNotExist or Feature.DoesNotExist:
raise Http404
zoom = int(zoom)
x = int(x)
y = int(y)
if zoom < 0 or zoom > MAX_ZOOM_LEVEL:
raise Http404
xExtent = _unitsPerPixel(zoom)
yExtent = _unitsPerPixel(zoom)
minLong = x * xExtent - 20037508.34
minLat = y * yExtent - 20037508.34
maxLong = minLong + xExtent
maxLat = minLat + yExtent
if (minLong < -20037508.34 or maxLong > 20037508.34
or minLat < -20037508.34 or maxLat > 20037508.34):
raise Http404
if basqui_map.changed:
xml_map_config(request, zoom, x, y, basqui_map, layersMapOptions)
config = {
"cache": {
"name": "test",
"path": "../tilestache/%s" % (request.user),
"umask": "0000",
"dirs": "portable"
},
"layers": {
basqui_map.map_name: {
"provider": {
"name":
"mapnik",
"mapfile":
"../tilestache/%s/%s.xml" %
(request.user, basqui_map.map_name)
},
"projection": "spherical mercator"
}
}
}
path = "/%s/%s/%s/%s.png" % (basqui_map.map_name, zoom, x, y)
config = TileStache.Config.buildConfiguration(config)
type, bytes = TileStache.requestHandler(config, path)
return HttpResponse(bytes, mimetype="image/png")
except:
traceback.print_exc()
return HttpResponse("")
def tileMap(request, map_id, zoom, x, y):
try:
try:
basqui_map = BasquiMap.objects.get(id=map_id,
created_by=request.user)
except Shapefile.DoesNotExist or Feature.DoesNotExist:
raise Http404
zoom = int(zoom)
x = int(x)
y = int(y)
if zoom < 0 or zoom > MAX_ZOOM_LEVEL:
raise Http404
xExtent = _unitsPerPixel(zoom)
yExtent = _unitsPerPixel(zoom)
minLong = x * xExtent - 20037508.34
minLat = y * yExtent - 20037508.34
maxLong = minLong + xExtent
maxLat = minLat + yExtent
if (minLong < -20037508.34 or maxLong > 20037508.34
or minLat < -20037508.34 or maxLat > 20037508.34):
raise Http404
map_name = "%s_%s" % (basqui_map.name, basqui_map.pk)
config = {
"cache": {
"name": "test",
"path": "../tilestache/%s/cache/" % (request.user),
"umask": "0000",
"dirs": "portable"
},
"layers": {
map_name: {
"provider": {
"name":
"mapnik",
"mapfile":
"../tilestache/%s/maps/viewer/%s.xml" %
(request.user, map_name)
},
"metatile": {
"rows": 2,
"columns": 2,
"buffer": 64
},
"projection": "spherical mercator",
}
}
}
path = "/%s/%s/%s/%s.png" % (map_name, zoom, x, y)
config = TileStache.Config.buildConfiguration(config)
type, bytes = TileStache.requestHandler(config, path)
return HttpResponse(bytes, content_type="image/png")
except:
traceback.print_exc()
return HttpResponse("")
def addLayer( self, layerDef, coord ):
_, _, layer = TileStache.getTile(self.layer.config.layers[layerDef['src']], coord, 'JSON')[1]
# raise KnownUnknown(layer)
if layerDef['wrapper'] == None:
layer = json.loads(layer)
else:
layer = json.loads(layer[(len(layerDef['wrapper'])+1):-1]) #Strip "Wrapper(...)"
gridSize = len(layer['grid'])
#init resultGrid based on given layers (if required)
if len(self.resultGrid) == 0:
for i in xrange(gridSize):
self.resultGrid.append([])
for j in xrange(gridSize):
self.resultGrid[i].append(-1)
keys = layer['keys']
keyRemap = {}
for k in keys:
if k in self.gridKeys:
for ext in xrange(ord('a'), ord('z')+1):
if not k+chr(ext) in self.gridKeys:
keyRemap[k] = (k+chr(ext))
break
if not k in keyRemap:
raise Error("Couldn't remap")
addedKeys = [] #FIXME: HashSet<string>?
for y in xrange(gridSize):
line = layer['grid'][y]
for x in xrange(gridSize):
idNo = self.decodeId(line[x])
if keys[idNo] == "":
continue
key = keys[idNo]
if keys[idNo] in keyRemap:
key = keyRemap[keys[idNo]]
if not key in addedKeys:
self.gridKeys.append(key)
addedKeys.append(key)
if layerDef['layer_id'] != None and self.layer_id != None: #Add layer name attribute
layer['data'][keys[idNo]][self.layer_id] = layerDef['layer_id']
self.gridData[key] = layer['data'][keys[idNo]]
newId = self.gridKeys.index(key)
self.resultGrid[x][y] = newId
def GET(layer, zoom, x, y):
ini = time.clock()
path_configfile = os.path.join(request.folder, 'static/tilestache.cfg')
config2 = ts.parseConfigfile(path_configfile)
formato = request.extension
token_version = "x234dffx"
response.headers["Cache-Control"] = "public, max-age=100"
if request.env.http_if_none_match == token_version:
raise HTTP(304, "", **response.headers)
else:
try:
layer2 = config2.layers[layer]
coord = ts.Coordinate(int(y), int(x), int(zoom))
mime_type, tile_content = ts.getTile(layer2, coord, formato)
except:
raise HTTP(404)
response.headers["Content-Type"] = mime_type
response.headers["Etag"] = token_version
raise HTTP(200, tile_content, **response.headers)
return locals()
def __call__(self, environ, start_response):
""" Handle a request, using PATH_INFO and QUERY_STRING from environ.
There are six required query string parameters: width, height,
xmin, ymin, xmax and ymax. Layer name must be supplied in PATH_INFO.
"""
if self.autoreload: # re-parse the config file on every request
try:
self.config = TileStache.parseConfigfile(self.config_path)
except Exception, e:
raise Core.KnownUnknown("Error loading Tilestache config file:\n%s" % str(e))
def addLayer(self, layerDef, coord):
layer = TileStache.getTile(self.layer.config.layers[layerDef['src']],
coord, 'JSON')[1]
if layerDef['wrapper'] == None:
layer = json.loads(layer)
else:
# Strip "Wrapper(...)"
layer = json.loads(layer[(len(layerDef['wrapper']) + 1):-1])
grid_size = len(layer['grid'])
# Init resultGrid based on given layers (if required)
if len(self.resultGrid) == 0:
for i in range(grid_size):
self.resultGrid.append([])
for j in range(grid_size):
self.resultGrid[i].append(-1)
layer_keys = layer['keys']
for y in range(grid_size):
line = layer['grid'][y]
for x in range(grid_size):
src_id = self.decodeId(line[x])
if layer_keys[src_id] == "":
continue
src_key = layer_keys[src_id]
# Add layer name attribute
if layerDef['layer_id'] != None and self.layer_id != None:
layer['data'][src_key][
self.layer_id] = layerDef['layer_id']
if self.resultGrid[x][y] == -1:
cur_id = self.curId
self.curId += 1
cur_key = json.dumps(cur_id)
# Set key for current point.
self.resultGrid[x][y] = self.encodeId(cur_id)
self.gridKeys.insert(cur_id + 1, cur_key)
# Initialize data bucket.
self.gridData[cur_key] = []
else:
cur_id = self.decodeId(self.resultGrid[x][y])
cur_key = json.dumps(cur_id)
self.gridData[cur_key].append(layer['data'][src_key])
def application(environ, start_response):
config = environ["TILESTACHE_CONFIG"]
layer, coord, ext = TileStache.splitPathInfo(environ["PATH_INFO"])
if not config.layers.get(layer, False):
print >>environ["wsgi.errors"], "[gunistache] unknown layer: " + layer
status = "404 NOT FOUND"
data = ""
else:
try:
content_type, data = TileStache.handleRequest(config.layers[layer], coord, ext)
status = "200 OK"
except Exception, e:
print >>environ["wsgi.errors"], "[gunistache] failed to handle request:" + str(e)
status = "500 SERVER ERROR"
data = str(e)
def addLayer( self, layerDef, coord ):
layer = TileStache.getTile(self.layer.config.layers[layerDef['src']], coord, 'JSON')[1]
if layerDef['wrapper'] == None:
layer = json.loads(layer)
else:
# Strip "Wrapper(...)"
layer = json.loads(layer[(len(layerDef['wrapper'])+1):-1])
grid_size = len(layer['grid'])
# Init resultGrid based on given layers (if required)
if len(self.resultGrid) == 0:
for i in xrange(grid_size):
self.resultGrid.append([])
for j in xrange(grid_size):
self.resultGrid[i].append(-1)
layer_keys = layer['keys']
for y in xrange(grid_size):
line = layer['grid'][y]
for x in xrange(grid_size):
src_id = self.decodeId(line[x])
if layer_keys[src_id] == "":
continue
src_key = layer_keys[src_id]
# Add layer name attribute
if layerDef['layer_id'] != None and self.layer_id != None:
layer['data'][src_key][self.layer_id] = layerDef['layer_id']
if self.resultGrid[x][y] == -1:
cur_id = self.curId
self.curId += 1
cur_key = json.dumps(cur_id)
# Set key for current point.
self.resultGrid[x][y] = self.encodeId(cur_id)
self.gridKeys.insert(cur_id + 1, cur_key)
# Initialize data bucket.
self.gridData[cur_key] = []
else:
cur_id = self.decodeId(self.resultGrid[x][y])
cur_key = json.dumps(cur_id)
self.gridData[cur_key].append(layer['data'][src_key])
def tilestache_tiles(request, layer_name, z, x, y, extension):
"""
:param request:
:param layer_name:
:param z:
:param x:
:param y:
:param extension:
:return:
Proxy to tilestache
{X} - coordinate column.
{Y} - coordinate row.
{B} - bounding box.
{Z} - zoom level.
{S} - host.
"""
config = TileStacheConfig.objects.filter(name='default')[0].config
path_info = "%s/%s/%s/%s.%s" % (layer_name, z, x, y, extension)
coord, extension = TileStache.splitPathInfo(path_info)[1:]
mimetype, content = TileStache.getTile(config.layers[layer_name], coord, extension)
return HttpResponse(content, mimetype=mimetype)
def tiles(request, service_slug, z, x, y, extension):
"""
Proxy to tilestache
{X} - coordinate column.
{Y} - coordinate row.
{B} - bounding box.
{Z} - zoom level.
{S} - host.
"""
service = TileService.objects.get(slug=service_slug)
config = {"cache": {"name": "Test"}, "layers": {}}
config["layers"][service_slug] = {
"provider": {
'name': 'mapnik',
"mapfile": service.mapfile
}
}
config = TileStache.Config.buildConfiguration(config)
path_info = "%s/%s/%s/%s.%s" % (service_slug, z, x, y, extension)
coord, extension = TileStache.splitPathInfo(path_info)[1:]
mimetype, content = TileStache.getTile(config.layers[service_slug], coord,
extension)
return HttpResponse(content, mimetype=mimetype)
def renderTile(self, width, height, srs, coord):
image = PIL.Image.new('RGBA', (width, height), (0, 0, 0, 0))
image = self.stack.render(self.layer.config, image, coord)
return image
layer = self.layer.config.layers['base']
mime, body = TileStache.handleRequest(layer, coord, 'png')
img_base = PIL.Image.open(StringIO(body))
layer = self.layer.config.layers['outlines']
mime, body = TileStache.handleRequest(layer, coord, 'png')
img_outlines = PIL.Image.open(StringIO(body))
layer = self.layer.config.layers['halos']
mime, body = TileStache.handleRequest(layer, coord, 'png')
img_halos = PIL.Image.open(StringIO(body))
img_outlinesmask = PIL.Image.new('RGBA', img_outlines.size, (0, 0, 0, 0))
img_outlinesmask.paste(img_outlines, None, img_halos.convert('L'))
layer = self.layer.config.layers['streets']
mime, body = TileStache.handleRequest(layer, coord, 'png')
img_streets = PIL.Image.open(StringIO(body))
img = PIL.Image.new('RGBA', (256, 256))
img.paste(img_base, (0, 0), img_base)
img.paste(img_outlines, None, img_outlinesmask)
img.paste(img_streets, (0, 0), img_streets)
return img
pass
def tileMap(request, version, map_id, zoom, x, y):
try:
if version != "1.0":
raise Http404
try:
basqui_map = BasquiMap.objects.get(id=map_id)
layersMapOptions = LayerMapOptions.objects.filter(basqui_map=basqui_map, visible=True).order_by('-position')
except Shapefile.DoesNotExist or Feature.DoesNotExist:
raise Http404
zoom = int(zoom)
x = int(x)
y = int(y)
if zoom < 0 or zoom > MAX_ZOOM_LEVEL:
raise Http404
xExtent = _unitsPerPixel(zoom)
yExtent = _unitsPerPixel(zoom)
minLong = x * xExtent - 20037508.34
minLat = y * yExtent - 20037508.34
maxLong = minLong + xExtent
maxLat = minLat + yExtent
if (minLong < -20037508.34 or maxLong > 20037508.34 or minLat < -20037508.34 or maxLat > 20037508.34):
raise Http404
if basqui_map.changed:
xml_map_config(request, zoom, x, y, basqui_map, layersMapOptions)
config = {
"cache": {
"name": "test",
"path": "../tilestache/%s" % (request.user),
"umask": "0000",
"dirs": "portable"},
"layers": {
basqui_map.map_name: {
"provider": {"name": "mapnik", "mapfile": "../tilestache/%s/%s.xml" % (request.user, basqui_map.map_name)},
"projection": "spherical mercator"
}
}
}
path = "/%s/%s/%s/%s.png" % (basqui_map.map_name,zoom,x,y)
config = TileStache.Config.buildConfiguration(config)
type, bytes = TileStache.requestHandler(config, path)
return HttpResponse(bytes, mimetype="image/png")
except:
traceback.print_exc()
return HttpResponse("")
def tileMap(request, map_id, zoom, x, y):
try:
try:
basqui_map = BasquiMap.objects.get(id=map_id, created_by=request.user)
except Shapefile.DoesNotExist or Feature.DoesNotExist:
raise Http404
zoom = int(zoom)
x = int(x)
y = int(y)
if zoom < 0 or zoom > MAX_ZOOM_LEVEL:
raise Http404
xExtent = _unitsPerPixel(zoom)
yExtent = _unitsPerPixel(zoom)
minLong = x * xExtent - 20037508.34
minLat = y * yExtent - 20037508.34
maxLong = minLong + xExtent
maxLat = minLat + yExtent
if (minLong < -20037508.34 or maxLong > 20037508.34 or minLat < -20037508.34 or maxLat > 20037508.34):
raise Http404
map_name = "%s_%s" % (basqui_map.name, basqui_map.pk)
config = {
"cache": {
"name": "test",
"path": "../tilestache/%s/cache/" % (request.user),
"umask": "0000",
"dirs": "portable"},
"layers": {
map_name: {
"provider": {"name": "mapnik", "mapfile": "../tilestache/%s/maps/viewer/%s.xml" % (request.user, map_name)},
"metatile": {
"rows": 2,
"columns": 2,
"buffer": 64
},
"projection": "spherical mercator",
}
}
}
path = "/%s/%s/%s/%s.png" % (map_name,zoom,x,y)
config = TileStache.Config.buildConfiguration(config)
type, bytes = TileStache.requestHandler(config, path)
return HttpResponse(bytes, content_type="image/png")
except:
traceback.print_exc()
return HttpResponse("")
def test_tilestache_lib(self):
config = eval(open(get_tilestache_file('tilestache.cfg')).read())
config["layers"]["example"]["provider"]["mapfile"] = "style_sheet.xml"
# like http://tile.openstreetmap.org/1/0/0.png
coord = ModestMaps.Core.Coordinate(0, 0, 0)
config = TileStache.Config.buildConfiguration(config)
mime_type, image_bytes = TileStache.getTile(config.layers['example'],
coord,
'png')
self.assertEquals(mime_type, 'image/png')
open(actual_image, 'w').write(image_bytes)
with open(actual_image) as actual, open(expected_image) as expected:
actual_read = actual.read()
self.assertEquals(actual_read, expected.read())
img = Image.open(StringIO(actual_read))
self.assertEquals(img.size, (256, 256))
def getTile(layer,extension,x,y,z):
coord=ModestMaps.Core.Coordinate(int(x), int(y), int(z))
configFile=open('static/config/tile.cfg')
config=json.load(configFile)
cfg = TileStache.Config.buildConfiguration(config)
contenttype, content = TileStache.getTile(cfg.layers[layer], coord,extension)
if not os.path.exists('static/map/'+layer):
os.mkdir(r'static/map/'+layer)
if not os.path.exists('static/map/'+layer+'/'+z):
os.mkdir(r'static/map/'+layer+'/'+z)
if not os.path.exists('static/map/'+layer+'/'+z+'/'+y):
os.mkdir(r'static/map/'+layer+'/'+z+'/'+y)
#if not os.path.exists('static/map/'+layer+'/'+z+'/'+y+'/'+x):
# os.mkdir(r'static/map/'+layer+'/'+z+'/'+y+'/'+x)
tilepath='static/map/'+layer+'/'+z+'/'+y+'/'+x+'.png'
open(tilepath, 'w').write(content)
return contenttype, content
def scenario_tile(request, instance):
path_info = "/" + instance.uid + "_tiles" + request.GET.get('tile')
if not path_info:
return HttpResponse("Must supply tile GET paramater", status=400)
if not _pathinfo_pat.match(path_info or ''):
return HttpResponse('Bad path: "%s"; Expecting something like "/example/0/0/0.png"' % path_info, status=400)
thisdir = os.path.dirname(os.path.abspath(__file__))
dirpath = os.path.realpath(os.path.join(thisdir, '..', '..', 'tile_config'))
xml_path = instance.mapnik_xml()
config_dict = {
"layers": {
instance.uid + "_tiles": {
# "metatile": {
# "buffer": 64,
# "rows": 4,
# "columns": 4
# },
"provider": {
"name": "mapnik",
"mapfile": xml_path
}
},
},
"cache": {
"host": "localhost",
"name": "Redis",
"db": settings.APP_REDIS_DB,
"port": 6379
},
# "cache": {
# "name": "test",
# },
"logging": "warning"
}
config = TileStache.Config.buildConfiguration(config_dict, dirpath)
(mimestr, bytestotal) = TileStache.requestHandler(
config_hint=config, path_info=path_info, query_string=None)
return HttpResponse(bytestotal, content_type=mimestr)
def renderTile(self, width, height, srs, coord):
logging.info("[dithering] render tile %s..." % coord)
source = self.layer.config.layers[ self.source_layer ]
mime, body = TileStache.getTile(source, coord, 'png')
if self.skip_on_checksum:
hash = md5.new(body)
if hash.hexdigest() == self.checksum:
logging.info('[dithering] skip check sum matches %s : %s' % (coord, self.checksum))
return Image.new('RGBA', (256, 256))
img = Image.open(StringIO.StringIO(body))
if self.plotter == 'atk':
return self.dither_atk(img)
return self.dither_python(img)
def getTileUrls(self, coord):
""" Return tile URLs that start with file://, by first retrieving them.
"""
if self.threadsafe or self.lock.acquire():
mime_type, tile_data = TileStache.getTile(self.layer, coord, 'png', self.ignore_cached)
handle, filename = mkstemp(prefix='tilestache-compose-', suffix='.png')
write(handle, tile_data)
close(handle)
self.files.append(filename)
if not self.threadsafe:
# must be locked, right?
self.lock.release()
if self.verbose:
size = len(tile_data) / 1024.
printlocked(self.lock, self.layer.name() + '/%(zoom)d/%(column)d/%(row)d.png' % coord.__dict__, '(%dKB)' % size)
return ('file://' + abspath(filename), )
def get(self, request, layer_name, z, x, y, extension):
"""
Fetch tiles with tilestache.
"""
try:
extension = extension.upper()
config = get_config().config
path_info = "{}/{}/{}/{}.{}".format(layer_name, z, x, y, extension)
coord, extension = TileStache.splitPathInfo(path_info)[1:]
try:
tilestache_layer = config.layers[layer_name]
except:
return Response({'status': 'layer not found'}, status=status.HTTP_404_NOT_FOUND)
status_code, headers, content = tilestache_layer.getTileResponse(coord, extension)
mimetype = headers.get('Content-Type')
if len(content) == 0:
status_code = 404
response = HttpResponse(
content,
**{
'content_type': mimetype,
'status': status_code
}
)
if hasattr(tilestache_layer, 'allowed origin'):
response['Access-Control-Allow-Origin'] = tilestache_layer.get('allowed origin')
return response
except Exception as ex:
return Response(
{
'status': 'error',
'message': str(ex)
},
status=status.HTTP_404_NOT_FOUND
)
def renderTile(self, width, height, srs, coord):
logging.info("[dithering] render tile %s..." % coord)
source = self.layer.config.layers[self.source_layer]
mime, body = TileStache.getTile(source, coord, 'png')
if self.skip_on_checksum:
hash = md5.new(body)
if hash.hexdigest() == self.checksum:
logging.info('[dithering] skip check sum matches %s : %s' %
(coord, self.checksum))
return Image.new('RGBA', (256, 256))
img = Image.open(StringIO.StringIO(body))
if self.plotter == 'atk':
return self.dither_atk(img)
return self.dither_python(img)
def handle_request(request):
path_info = request.path.replace(reverse('tileserver') + '/', '')
layer_id = path_info.split('/')[0]
config_dict = get_tileserver_config(layer_id, request=request)
config = TileStache.Config.buildConfiguration(config_dict)
query_string = ""
script_name = ""
response = HttpResponse()
try:
status_code, headers, content = TileStache.requestHandler2(
config, path_info, query_string, script_name)
response.content = content
response.status_code = status_code
for header, value in headers.items():
response[header] = value
response['Content-length'] = str(len(content))
except Exception as e:
print 'No tile data', e, response
return response
def handle_request(request):
path_info = request.path.replace(reverse('tileserver') + '/', '')
layer_id = path_info.split('/')[0]
config_dict = get_tileserver_config(layer_id, request=request)
config = TileStache.Config.buildConfiguration(config_dict)
query_string = ""
script_name = ""
response = HttpResponse()
try:
status_code, headers, content = TileStache.requestHandler2(
config, path_info, query_string, script_name)
response.content = content
response.status_code = status_code
for header, value in headers.items():
response[header] = value
response['Content-length'] = str(len(content))
except Exception as e:
print 'No tile data', e, response
return response
"-v",
"--verbose",
dest="verbose",
help="Enable verbose logging. Default is false.",
action="store_true",
default=False,
)
options, args = parser.parse_args()
if options.verbose:
logging.basicConfig(level=logging.DEBUG)
else:
logging.basicConfig(level=logging.INFO)
# Some day, Python will have a -I flag...
if options.include:
for path in options.include.split(":"):
logging.debug("include %s to Python's sys.path")
sys.path.insert(0, path)
logging.info("start server on %s:%s" % (options.host, options.port))
# http://docs.python.org/library/wsgiref.html
httpd = make_server(options.host, int(options.port), application)
httpd.base_environ["TILESTACHE_CONFIG"] = TileStache.parseConfigfile(options.config)
httpd.serve_forever()
import sys
import TileStache
application = TileStache.WSGITileServer(config='osm-check.cfg',
autoreload=True)
import TileStache
application = TileStache.WSGITileServer(
'/usr/local/app/tilestache/tilestache.cfg')
def render(self, config, input_rgba, coord):
""" Render this image layer.
Given a configuration object, starting image, and coordinate,
return an output image with the contents of this image layer.
"""
has_layer, has_color, has_mask = False, False, False
output_rgba = [chan.copy() for chan in input_rgba]
if self.layername:
layer = config.layers[self.layername]
_, _, body = TileStache.getTile(layer, coord, 'png')
layer_img = Image.open(StringIO(body)).convert('RGBA')
layer_rgba = _img2rgba(layer_img)
has_layer = True
if self.maskname:
layer = config.layers[self.maskname]
_, _, body = TileStache.getTile(layer, coord, 'png')
mask_img = Image.open(StringIO(body)).convert('L')
mask_chan = _img2arr(mask_img).astype(numpy.float32) / 255.
has_mask = True
if self.colorname:
color = make_color(self.colorname)
color_rgba = [numpy.zeros(output_rgba[0].shape, numpy.float32) + band/255.0 for band in color]
has_color = True
if has_layer:
layer_rgba = apply_adjustments(layer_rgba, self.adjustments)
if has_layer and has_color and has_mask:
raise KnownUnknown("You can't specify src, color and mask together in a Composite Layer: %s, %s, %s" % (repr(self.layername), repr(self.colorname), repr(self.maskname)))
elif has_layer and has_color:
# color first, then layer
output_rgba = blend_images(output_rgba, color_rgba[:3], color_rgba[3], self.opacity, self.blendmode)
output_rgba = blend_images(output_rgba, layer_rgba[:3], layer_rgba[3], self.opacity, self.blendmode)
elif has_layer and has_mask:
# need to combine the masks here
layermask_chan = layer_rgba[3] * mask_chan
output_rgba = blend_images(output_rgba, layer_rgba[:3], layermask_chan, self.opacity, self.blendmode)
elif has_color and has_mask:
output_rgba = blend_images(output_rgba, color_rgba[:3], mask_chan, self.opacity, self.blendmode)
elif has_layer:
output_rgba = blend_images(output_rgba, layer_rgba[:3], layer_rgba[3], self.opacity, self.blendmode)
elif has_color:
output_rgba = blend_images(output_rgba, color_rgba[:3], color_rgba[3], self.opacity, self.blendmode)
elif has_mask:
raise KnownUnknown("You have to provide more than just a mask to Composite Layer: %s" % repr(self.maskname))
else:
raise KnownUnknown("You have to provide at least some combination of src, color and mask to Composite Layer")
return output_rgba
def tiles(request):
path_info = request.path_info.replace('/tiles', '')
(mimestr, bytestotal) = TileStache.requestHandler(config_hint=settings.TILE_CONFIG,
path_info=path_info, query_string=None)
return HttpResponse(bytestotal, content_type=mimestr)
def tileLayer(request, version, shapefile_id, zoom, x, y):
try:
if version != "1.0":
raise Http404
try:
shapefile = Shapefile.objects.get(id=shapefile_id, created_by=request.user)
except Shapefile.DoesNotExist:
raise Http404
zoom = int(zoom)
x = int(x)
y = int(y)
if zoom < 0 or zoom > MAX_ZOOM_LEVEL:
raise Http404
xExtent = _unitsPerPixel(zoom)
yExtent = _unitsPerPixel(zoom)
minLong = x * xExtent - 20037508.34
minLat = y * yExtent - 20037508.34
maxLong = minLong + xExtent
maxLat = minLat + yExtent
if (minLong < -20037508.34 or maxLong > 20037508.34 or minLat < -20037508.34 or maxLat > 20037508.34):
raise Http404
#create de mapnik.map object
map = mapnik.Map(TILE_WIDTH, TILE_HEIGHT, "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over")
map.background = mapnik.Color("#f2f3f7")
#defining the feature layer
geometryField = utils.calcGeometryField(shapefile.geom_type)
field = "'NOM'"
field2 = "'CODE'"
query = '(select ' + geometryField + ', attribute_value->' + field +' as label, id_relat from "shapefile_feature" where' + ' shapefile_id in (' + str(shapefile.id) + ')) as geom'
feature = Feature.objects.filter(shapefile__id=shapefile_id).geojson()
adapter = DjLayer(feature)
lyr = adapter.to_mapnik()
lyr.srs = "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over"
m = mapnik.Map(TILE_WIDTH, TILE_HEIGHT, "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over")
## datasource = mapnik.PostGIS(user=dbSettings['USER'],
## password=dbSettings['PASSWORD'],
## dbname=dbSettings['NAME'],
## port=5433,
## table=query,
## srid=3857,
## geometry_field=geometryField,
## simplify_geometries=True,
## geometry_table='"shapefile_feature"')
## featureLayer = mapnik.Layer("featureLayer")
## featureLayer.srs = "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over"
## featureLayer.datasource = datasource
## featureLayer.styles.append("featureLayerStyle")
##
#defining the feature layer styles
rule = mapnik.Rule()
if shapefile.geom_type in ["Point", "MultiPoint"]:
rule.symbols.append(mapnik.PointSymbolizer())
elif shapefile.geom_type in ["LineString", "MultiLineString"]:
rule.symbols.append(mapnik.LineSymbolizer(mapnik.Color("#000000"), 0.5))
elif shapefile.geom_type in ["Polygon", "MultiPolygon"]:
rule.symbols.append(mapnik.PolygonSymbolizer(mapnik.Color("#f7edee")))
rule.symbols.append(mapnik.LineSymbolizer(mapnik.Color("#000000"), 0.5))
##
## label = mapnik.TextSymbolizer(mapnik.Expression('[label]'), 'DejaVu Sans Book', 10, mapnik.Color('black'))
## label.halo_fill = mapnik.Color('white')
## label.halo_radius = 4
## label.label_placement = mapnik.label_placement.INTERIOR_PLACEMENT
## label.allow_overlap = True
## label.avoid_edges = True
## rule.symbols.append(label)
style = mapnik.Style()
style.rules.append(rule)
lyr.styles.append('name')
##
## #add new feature to the map
m.append_style("name", style)
m.layers.append(lyr)
## map.layers.append(featureLayer)
#rendering the map tile
mapnik.save_map(m, "../tilestache/%s/%s.xml" % (str(request.user), str(shapefile.filename)))
config = {
"cache": {
"name": "Disk",
"path": "../tilestache/%s" % (request.user),
"umask": "0000",
"dirs": "portable"},
"layers": {
shapefile.filename: {
"provider": {"name": "mapnik", "mapfile": "../tilestache/%s/%s.xml" % (request.user, shapefile.filename)},
"projection": "spherical mercator"
}
}
}
# like http://tile.openstreetmap.org/1/0/0.png
#coord = ModestMaps.Core.Coordinate(y, x, zoom)
path = "/%s/%s/%s/%s.png" % (shapefile.filename,zoom,x,y)
config = TileStache.Config.buildConfiguration(config)
#type, bytes = TileStache.getTile(config.layers[shapefile.filename], coord, 'png')
type, bytes = TileStache.requestHandler(config, path)
return HttpResponse(bytes, mimetype="image/png")
except:
traceback.print_exc()
return HttpResponse("")
(options, args) = parser.parse_args()
if options.include_paths:
for p in options.include_paths.split(':'):
path.insert(0, p)
import TileStache
try:
if options.config is None:
raise TileStache.Core.KnownUnknown('Missing required configuration (--config) parameter.')
if options.layer is None:
raise TileStache.Core.KnownUnknown('Missing required layer (--layer) parameter.')
config = TileStache.parseConfigfile(options.config)
if options.layer not in config.layers:
raise TileStache.Core.KnownUnknown('"%s" is not a layer I know about. Here are some that I do know about: %s.' % (options.layer, ', '.join(sorted(config.layers.keys()))))
provider = Provider(config.layers[options.layer], options.verbose, options.ignore_cached)
try:
outfile = args[0]
except IndexError:
raise BadComposure('Error: Missing output file.')
if options.center and options.extent:
raise BadComposure("Error: bad map coverage, center and extent can't both be set.")
elif options.extent and options.dimensions and options.zoom:
import TileStache
application = TileStache.WSGITileServer("/data/tilestache.json",
autoreload=False)
def tileLayer(request, version, shapefile_id, zoom, x, y):
try:
if version != "1.0":
raise Http404
try:
shapefile = Shapefile.objects.get(id=shapefile_id,
created_by=request.user)
except Shapefile.DoesNotExist:
raise Http404
zoom = int(zoom)
x = int(x)
y = int(y)
if zoom < 0 or zoom > MAX_ZOOM_LEVEL:
raise Http404
xExtent = _unitsPerPixel(zoom)
yExtent = _unitsPerPixel(zoom)
minLong = x * xExtent - 20037508.34
minLat = y * yExtent - 20037508.34
maxLong = minLong + xExtent
maxLat = minLat + yExtent
if (minLong < -20037508.34 or maxLong > 20037508.34
or minLat < -20037508.34 or maxLat > 20037508.34):
raise Http404
#create de mapnik.map object
map = mapnik.Map(
TILE_WIDTH, TILE_HEIGHT,
"+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over"
)
map.background = mapnik.Color("#f2f3f7")
#defining the feature layer
geometryField = utils.calcGeometryField(shapefile.geom_type)
field = "'NOM'"
field2 = "'CODE'"
query = '(select ' + geometryField + ', attribute_value->' + field + ' as label, id_relat from "shapefile_feature" where' + ' shapefile_id in (' + str(
shapefile.id) + ')) as geom'
## datasource = mapnik.SQLite(file='C:\mygeosite\sqlite3\sql3.db',
## table=query,
## srid=3857,
## geometry_field=geometryField)
## datasource = mapnik.PostGIS(user=dbSettings['USER'],
## password=dbSettings['PASSWORD'],
## dbname=dbSettings['NAME'],
## table=query,
## srid=3857,
## geometry_field=geometryField,
## simplify_geometries=True,
## geometry_table='"shapefile_feature"')
feature = Feature.objects.filter(shapefile__id=shapefile_id).geojson()
geoj = feature.geojson
datasource = mapnik.Ogr(layer_by_index=0, string=geoj)
##
featureLayer = mapnik.Layer("featureLayer")
featureLayer.srs = "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over"
featureLayer.datasource = datasource
featureLayer.styles.append("featureLayerStyle")
#defining the feature layer styles
rule = mapnik.Rule()
if shapefile.geom_type in ["Point", "MultiPoint"]:
rule.symbols.append(mapnik.PointSymbolizer())
elif shapefile.geom_type in ["LineString", "MultiLineString"]:
rule.symbols.append(
mapnik.LineSymbolizer(mapnik.Color("#000000"), 0.5))
elif shapefile.geom_type in ["Polygon", "MultiPolygon"]:
rule.symbols.append(
mapnik.PolygonSymbolizer(mapnik.Color("#f7edee")))
rule.symbols.append(
mapnik.LineSymbolizer(mapnik.Color("#000000"), 0.5))
## label = mapnik.TextSymbolizer(mapnik.Expression('[label]'), 'DejaVu Sans Book', 10, mapnik.Color('black'))
## label.halo_fill = mapnik.Color('white')
## label.halo_radius = 4
## label.label_placement = mapnik.label_placement.INTERIOR_PLACEMENT
## label.allow_overlap = True
## label.avoid_edges = True
## rule.symbols.append(label)
style = mapnik.Style()
style.rules.append(rule)
#add new feature to the map
map.append_style("featureLayerStyle", style)
map.layers.append(featureLayer)
#rendering the map tile
mapnik.save_map(
map, "../tilestache/%s/%s.xml" %
(str(request.user), str(shapefile.filename)))
config = {
"cache": {
"name": "Test",
"path": "../tilestache/%s" % (request.user),
"umask": "0000",
"dirs": "portable"
},
"layers": {
shapefile.filename: {
"provider": {
"name":
"mapnik",
"mapfile":
"../tilestache/%s/%s.xml" %
(request.user, shapefile.filename)
},
"projection": "spherical mercator"
}
}
}
# like http://tile.openstreetmap.org/1/0/0.png
#coord = ModestMaps.Core.Coordinate(y, x, zoom)
path = "/%s/%s/%s/%s.png" % (shapefile.filename, zoom, x, y)
config = TileStache.Config.buildConfiguration(config)
#type, bytes = TileStache.getTile(config.layers[shapefile.filename], coord, 'png')
type, bytes = TileStache.requestHandler(config, path)
return HttpResponse(bytes, mimetype="image/png")
except:
traceback.print_exc()
return HttpResponse("")
def tileMap(request, version, ezmap_id, zoom, x, y):
try:
if version != "1.0":
raise Http404
try:
ezmap = EzMap.objects.get(id=ezmap_id)
layersMapOptions = LayerMapOptions.objects.filter(
ezmap=ezmap, visible=True).order_by('-position')
except Shapefile.DoesNotExist or Feature.DoesNotExist:
raise Http404
zoom = int(zoom)
x = int(x)
y = int(y)
if zoom < 0 or zoom > MAX_ZOOM_LEVEL:
raise Http404
xExtent = _unitsPerPixel(zoom)
yExtent = _unitsPerPixel(zoom)
minLong = x * xExtent - 20037508.34
minLat = y * yExtent - 20037508.34
maxLong = minLong + xExtent
maxLat = minLat + yExtent
if (minLong < -20037508.34 or maxLong > 20037508.34
or minLat < -20037508.34 or maxLat > 20037508.34):
raise Http404
if ezmap.changed:
#create de mapnik.map object
ezmap.changed = False
ezmap.save()
map = mapnik.Map(
TILE_WIDTH, TILE_HEIGHT,
"+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over"
)
#map.background = mapnik.Color("#ffffff")
#defining the feature layer
for layer in layersMapOptions.all():
label = LayerLabel.objects.get(layerMapOptions=layer)
for layerStyle in layer.styles.all():
shapefile = layer.layer
geometryField = utils.calcGeometryField(
shapefile.geom_type)
query = '(select ' + geometryField + ', attribute_value->\'' + label.field.name + '\' as label, id_relat from "shapefile_feature" where' + ' shapefile_id in (' + str(
shapefile.id) + ')) as geom'
## datasource = mapnik.SQLite(file='C:\mygeosite\sqlite3\sql3.db',
## table=query,
## srid=3857,
## geometry_field=geometryField,
## use_spatial_index=False)
datasource = mapnik.PostGIS(
user=dbSettings['USER'],
password=dbSettings['PASSWORD'],
dbname=dbSettings['NAME'],
table=query,
srid=3857,
geometry_field=geometryField,
geometry_table='"shapefile_feature"')
featureLayer = mapnik.Layer(
str(shapefile.filename) + str(layerStyle.id))
featureLayer.srs = "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over"
featureLayer.datasource = datasource
featureLayer.styles.append(
str(shapefile.filename) + '_Style' +
str(layerStyle.id))
#defining the feature layer styles
rule = mapnik.Rule()
if shapefile.geom_type in ["Point", "MultiPoint"]:
s = mapnik.PointSymbolizer(
mapnik.PathExpression(str(layerStyle.iconName)))
s.allow_overlap = True
rule.symbols.append(s)
elif shapefile.geom_type in [
"LineString", "MultiLineString"
]:
rule.symbols.append(
mapnik.LineSymbolizer(
mapnik.Color(str(layerStyle.strokeColor)),
layerStyle.strokeWeight))
elif shapefile.geom_type in ["Polygon", "MultiPolygon"]:
p = mapnik.PolygonSymbolizer(
mapnik.Color(str((layerStyle.fillColor))))
p.fill_opacity = layerStyle.fillOpacity
rule.symbols.append(p)
rule.symbols.append(
mapnik.LineSymbolizer(
mapnik.Color(str(layerStyle.strokeColor)),
layerStyle.strokeWeight))
label = mapnik.TextSymbolizer(
mapnik.Expression('[label]'), 'DejaVu Sans Book',
label.font_size, mapnik.Color(str(label.font_color)))
label.halo_fill = mapnik.Color(str(label.halo_color))
label.halo_radius = int(label.halo_radius)
label.label_placement = mapnik.label_placement.INTERIOR_PLACEMENT
label.allow_overlap = False
label.avoid_edges = True
rule.symbols.append(label)
style = mapnik.Style()
style.rules.append(rule)
#add new feature to the map
map.append_style(
str(shapefile.filename) + '_Style' +
str(layerStyle.id), style)
map.layers.append(featureLayer)
#saving the map mapnik xml
mapnik.save_map(
map, "c:\\mygeosite\\tilestache\\%s\\%s.xml" %
(str(request.user), str(ezmap.map_name)))
config = {
"cache": {
"name": "test",
"path": "../tilestache/%s" % (request.user),
"umask": "0000",
"dirs": "portable"
},
"layers": {
ezmap.map_name: {
"provider": {
"name":
"mapnik",
"mapfile":
"../tilestache/%s/%s.xml" %
(request.user, ezmap.map_name)
},
"projection": "spherical mercator"
}
}
}
# like http://tile.openstreetmap.org/1/0/0.png
#coord = ModestMaps.Core.Coordinate(y, x, zoom)
path = "/%s/%s/%s/%s.png" % (ezmap.map_name, zoom, x, y)
config = TileStache.Config.buildConfiguration(config)
#type, bytes = TileStache.getTile(config.layers[shapefile.filename], coord, 'png')
type, bytes = TileStache.requestHandler(config, path)
return HttpResponse(bytes, mimetype="image/png")
except:
traceback.print_exc()
return HttpResponse("")
if options.include_paths:
for p in options.include_paths.split(':'):
path.insert(0, p)
import TileStache
try:
if options.config is None:
raise TileStache.Core.KnownUnknown(
'Missing required configuration (--config) parameter.')
if options.layer is None:
raise TileStache.Core.KnownUnknown(
'Missing required layer (--layer) parameter.')
config = TileStache.parseConfig(options.config)
if options.layer not in config.layers:
raise TileStache.Core.KnownUnknown(
'"%s" is not a layer I know about. Here are some that I do know about: %s.'
% (options.layer, ', '.join(sorted(config.layers.keys()))))
provider = Provider(config.layers[options.layer], options.verbose,
options.ignore_cached)
try:
outfile = args[0]
except IndexError:
raise BadComposure('Error: Missing output file.')
if options.center and options.extent:
import sys import TileStache application = TileStache.WSGITileServer(config='infra.cfg', autoreload=True)