def __init__(self):
# FIXXME: get parameters from config!
self.cache = MapCacheSQLite('/var/www/cache')
self.source = MeshFactoryClient('http://localhost/browse/ows')
self.gltf_folder = '/var/www/cache/gltf/'
try:
if not os.path.exists(self.gltf_folder):
print '[MeshCache] creating gltf folder in: ' + str(self.gltf_folder)
os.makedirs(self.gltf_folder)
except:
# FIXXME: not so beautiful, but it catches an exception when multiple requests
# want to create the folder simultaneously
pass
class MeshCache(object):
def __init__(self):
# FIXXME: get parameters from config!
self.cache = MapCacheSQLite('/var/www/cache')
self.source = MeshFactoryClient('http://localhost/browse/ows')
self.gltf_folder = '/var/www/cache/gltf/'
try:
if not os.path.exists(self.gltf_folder):
print '[MeshCache] creating gltf folder in: ' + str(self.gltf_folder)
os.makedirs(self.gltf_folder)
except:
# FIXXME: not so beautiful, but it catches an exception when multiple requests
# want to create the folder simultaneously
pass
def lookup(self, layer, grid, level, col, row, time):
logger.info('[MeshCache::lookup] Tile parameters: %s / %s / %s / %s'
% (layer, level, col, row))
tile_geo = self.cache.lookup(layer, grid, level, col, row, time)
return tile_geo
def request_and_store(self, layer, grid, level, col, row, time):
logger.info('[MeshCache::request_and_store] Tile parameters: %s / %s / %s / %s'
% (layer, level, col, row))
files = self.source.request_files(layer, grid, level, col, row, time)
tilesets = self._convert_files_to_tilesets(files)
tile_geo = self.cache.store(layer, grid, level, col, row, time, tilesets)
# FIXXME: Currently dependent glTF files are simply written to a folder on the server. The
# .json file links to the published endpoint of this folder. In future the dependent files
# will also be stored in the sqlite-db!
for file in files:
target = open(self.gltf_folder + file['name'], 'w')
# target.write(file['buffer'].replace('"path": "', '"path": "http://localhost:3080/gltf/'))
target.write(file['buffer'])
# logger.info('Wrote to: ' + self.gltf_folder + file['name'])
return tile_geo
def _convert_files_to_tilesets(self, files):
file_json = None
for item in files:
if item['name'].endswith('.json'):
file_json = item['buffer']
tileset_wmts = {}
tileset_wmts['protocol'] = 'WMTS'
tileset_wmts['data'] = 'test'
tileset_w3ds = {}
tileset_w3ds['protocol'] = 'W3DS'
tileset_w3ds['json'] = file_json
tileset_w3ds['bin'] = ''
tileset_w3ds['vert'] = ''
tileset_w3ds['frag'] = ''
tilesets = []
tilesets.append(tileset_wmts)
tilesets.append(tileset_w3ds)
logger.info('[MeshCache::_convert_files_to_tilesets] converted files to tilesets')
return tilesets
