def _init_index(self):
self._initialized = True
if os.path.exists(self.filename):
return
ensure_directory(self.filename)
buf = BytesIO()
buf.write(struct.pack(BUNDLE_V2_HEADER_STRUCT_FORMAT, *BUNDLE_V2_HEADER))
# Empty index (ArcGIS stores an offset of 4 and size of 0 for missing tiles)
buf.write(struct.pack('<%dQ' % BUNDLE_V2_TILES, *(4, ) * BUNDLE_V2_TILES))
write_atomic(self.filename, buf.getvalue())
def _init_index(self):
self._initialized = True
if os.path.exists(self.filename):
return
ensure_directory(self.filename)
buf = BytesIO()
buf.write(
struct.pack(BUNDLE_V2_HEADER_STRUCT_FORMAT, *BUNDLE_V2_HEADER))
# Empty index (ArcGIS stores an offset of 4 and size of 0 for missing tiles)
buf.write(
struct.pack('<%dQ' % BUNDLE_V2_TILES,
*(4, ) * BUNDLE_V2_TILES))
write_atomic(self.filename, buf.getvalue())
def _init_index(self):
self._initialized = True
if os.path.exists(self.filename):
return
ensure_directory(self.filename)
buf = BytesIO()
buf.write(BUNDLEX_HEADER)
for i in range(BUNDLEX_GRID_WIDTH * BUNDLEX_GRID_HEIGHT):
buf.write(struct.pack('<Q', (i*4)+BUNDLE_HEADER_SIZE)[:5])
buf.write(BUNDLEX_FOOTER)
write_atomic(self.filename, buf.getvalue())
def _init_index(self):
self._initialized = True
if os.path.exists(self.filename):
return
ensure_directory(self.filename)
buf = BytesIO()
buf.write(BUNDLEX_HEADER)
for i in range(BUNDLEX_GRID_WIDTH * BUNDLEX_GRID_HEIGHT):
buf.write(struct.pack('<Q', (i*4)+BUNDLE_HEADER_SIZE)[:5])
buf.write(BUNDLEX_FOOTER)
write_atomic(self.filename, buf.getvalue())