python-mapnik/src/python_grid_utils.hpp at master · mapnik/python-mapnik · GitHub

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/*****************************************************************************

* This file is part of Mapnik (c++ mapping toolkit)

* 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

*****************************************************************************/

#ifndef MAPNIK_PYTHON_BINDING_GRID_UTILS_INCLUDED

#define MAPNIK_PYTHON_BINDING_GRID_UTILS_INCLUDED

// mapnik

#include <mapnik/map.hpp>

#include <mapnik/grid/grid.hpp>

// pybind11

#include <pybind11/pybind11.h>

namespace py = pybind11;

namespace mapnik {

template <typename T>

void grid2utf(T const& grid_type,

py::list& l,

std::vector<typename T::lookup_type>& key_order);

template <typename T>

void grid2utf(T const& grid_type,

py::list& l,

std::vector<typename T::lookup_type>& key_order,

unsigned int resolution);

template <typename T>

void write_features(T const& grid_type,

py::dict& feature_data,

std::vector<typename T::lookup_type> const& key_order);

template <typename T>

void grid_encode_utf(T const& grid_type,

py::dict & json,

bool add_features,

unsigned int resolution);

template <typename T>

py::dict grid_encode( T const& grid, std::string const& format, bool add_features, unsigned int resolution);

void render_layer_for_grid(const mapnik::Map& map,

mapnik::grid& grid,

unsigned layer_idx, // TODO - layer by name or index

py::list const& fields,

double scale_factor,

unsigned offset_x,

unsigned offset_y);

}

#endif // MAPNIK_PYTHON_BINDING_GRID_UTILS_INCLUDED

python-mapnik/src/python_grid_utils.hpp at master · mapnik/python-mapnik · GitHub

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