grid_factory.hpp

// Copyright (C) 2011-2012 by the BEM++ Authors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#ifndef bempp_grid_factory_hpp
#define bempp_grid_factory_hpp

#include "../common/common.hpp"
#include "../common/shared_ptr.hpp"
#include "grid_parameters.hpp"

#include "../common/armadillo_fwd.hpp"
#include <memory>

namespace Bempp
{

class Grid;
class GridFactory
{
public:
    static shared_ptr<Grid> createStructuredGrid(
            const GridParameters& params,
            const arma::Col<double>& lowerLeft,
            const arma::Col<double>& upperRight,
            const arma::Col<unsigned int>& nElements);

    static shared_ptr<Grid> importGmshGrid(const GridParameters& params,
            const std::string& fileName,
            bool verbose=false, bool insertBoundarySegments=false);

    static shared_ptr<Grid> importGmshGrid(const GridParameters& params,
            const std::string& fileName,
            std::vector<int> &boundaryId2PhysicalEntity,
            std::vector<int> &elementIndex2PhysicalEntity,
            bool verbose=true, bool insertBoundarySegments=false);

    static shared_ptr<Grid> createGridFromConnectivityArrays(
            const GridParameters& params,
            const arma::Mat<double>& vertices,
            const arma::Mat<int>& elementCorners,
            const std::vector<int>& domainIndices = std::vector<int>());
};

} // namespace Bempp

#endif