def __init__(self, id, options, _map, cache, special_fips=None):
# Store layer properties as instance properties
self.id = id
self.options = options
self.precedence = options['precedence']
# print 'self.options={0}'.format(self.options)
self.map = _map
self.cache = cache
self.features = []
self.special_fips = special_fips
self.max_area_for_circle = .001
self.high_exp_factor = 2.50
if cache is not None and 'features' in cache:
self.proj_feat_cache = cache['features']
elif cache is not None:
cache['features'] = self.proj_feat_cache = {}
if 'class' not in options:
self.classes = []
elif isinstance(options['class'], basestring):
self.classes = options['class'].split(' ')
elif isinstance(options['class'], list):
self.classes = options['class']
# Make sure that the layer id is unique within the map.
while self.id in self.map.layersById:
self.id += "_"
# Instantiate the layer source which will generate features from the source
# geo data such as shapefiles or virtual sources such as graticule lines.
self.source = handle_layer_source(self.options, self.cache)
def prepare_layers(self, opts):
"""
prepares layer sources
"""
self.layers = layers = {}
for layer in opts['layers']:
id = layer['id']
while id in layers:
id += "_"
if id != layer['id']:
layer['id'] = id # rename layer
src = handle_layer_source(layer, self.layerCache)
layers[id] = src
def prepare_layers(self, opts):
"""
prepares layer sources
"""
self.layers = layers = {}
for layer in opts['layers']:
id = layer['id']
while id in layers:
id += "_"
if id != layer['id']:
layer['id'] = id # rename layer
src = handle_layer_source(layer, self.layerCache)
layers[id] = src
def __init__(self, id, options, _map, cache):
# Store layer properties as instance properties
self.id = id
self.options = options
self.map = _map
self.cache = cache
if 'class' not in options:
self.classes = []
elif isinstance(options['class'], basestring):
self.classes = options['class'].split(' ')
elif isinstance(options['class'], list):
self.classes = options['class']
# Make sure that the layer id is unique within the map.
while self.id in self.map.layersById:
self.id += "_"
# Instantiate the layer source which will generate features from the source
# geo data such as shapefiles or virtual sources such as graticule lines.
self.source = handle_layer_source(self.options, self.cache)
