mapnik/bindings/python/mapnik_projection.cpp
Artem Pavlenko 110016fe78 1. refactored proj stuff into separate files
2. added is_geographic property
3. added basic support for text_symbolizer in load_map
2006-10-17 17:26:35 +00:00

65 lines
2.1 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2006 Artem Pavlenko, Jean-Francois Doyon
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
//$Id$
#include <boost/python.hpp>
#include <mapnik/coord.hpp>
#include <mapnik/projection.hpp>
namespace {
mapnik::coord2d forward(mapnik::coord2d const& pt,
mapnik::projection const& prj)
{
double x = pt.x;
double y = pt.y;
prj.forward(x,y);
return mapnik::coord2d(x,y);
}
mapnik::coord2d inverse(mapnik::coord2d const& pt,
mapnik::projection const& prj)
{
double x = pt.x;
double y = pt.y;
prj.inverse(x,y);
return mapnik::coord2d(x,y);
}
}
void export_projection ()
{
using namespace boost::python;
using mapnik::projection;
class_<projection>("Projection", init<optional<std::string const&> >())
.def ("forward",&projection::forward)
.def ("inverse",&projection::inverse)
.def ("params", make_function(&projection::params,
return_value_policy<copy_const_reference>()))
.add_property ("geographic",&projection::is_geographic)
;
def("forward",&forward);
def("inverse",&inverse);
}