wlfxb - a library for creating and processing of TCF data streams.
Copyright (C) Yana Panchenko.
This file is part of wlfxb.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
layer represents annotations for geographical locations. A token,
or sequence of tokens, for which a geographical location can be identified,
is annotated with longitude and latitude coordinates, optionally altitude,
continent, country and capital. At the layer level, the attributes specify
which format is used as longitude, latitude, continent, country and capital
values of a geographical point.