CollapseNewAttributeTopoInfo.cpp

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#include "CollapseNewAttributeTopoInfo.hpp"
 
 
namespace wmtk::operations::tet_mesh {
 
CollapseNewAttributeTopoInfo::CollapseNewAttributeTopoInfo(TetMesh& m)
    : m_mesh(m)
{}
 
//
// void CollapseNewAttributeTopoInfo::update_neighboring_simplices(
//    const ReturnVariant& ret_data,
//    PrimitiveType pt,
//    const std::vector<Tuple>& output_simplex) const
//{
//    // default  impl is to do nothing
//}
 
std::vector<std::array<Tuple, 2>> CollapseNewAttributeTopoInfo::merged_simplices(
    const ReturnVariant& ret_data,
    const Tuple& input_tuple,
    PrimitiveType pt) const
{
    return merged_simplices(std::get<EdgeOperationData>(ret_data), input_tuple, pt);
}
 
// the simplices that were created by merging simplices
std::vector<Tuple> CollapseNewAttributeTopoInfo::new_simplices(
    const ReturnVariant& ret_data,
    const Tuple& output_tuple,
    PrimitiveType pt) const
{
    return new_simplices(std::get<EdgeOperationData>(ret_data), output_tuple, pt);
}
 
// the sipmlices that were merged together
std::vector<std::array<Tuple, 2>> CollapseNewAttributeTopoInfo::merged_simplices(
    const EdgeOperationData& ret_data,
    const Tuple& input_tuple,
    PrimitiveType pt) const
{
    return m_mesh.parent_scope([&]() -> std::vector<std::array<Tuple, 2>> {
        switch (get_primitive_type_id(pt)) {
        case 0: {
            return {ret_data.input_endpoints(m_mesh)};
        }
        case 1: {
            return ret_data.ear_edges(m_mesh);
        }
        case 2: {
            return ret_data.ear_faces(m_mesh);
        }
        default: return {};
        }
    });
}
 
// the simplices that were created by merging simplices
std::vector<Tuple> CollapseNewAttributeTopoInfo::new_simplices(
    const EdgeOperationData& ret_data,
    const Tuple& output_tuple,
    PrimitiveType pt) const
{
    switch (get_primitive_type_id(pt)) {
    case 0: {
        return {output_tuple};
    }
    case 1: {
        return ret_data.collapse_merged_ear_edges(m_mesh);
    }
    case 2: {
        return ret_data.collapse_merged_ear_faces(m_mesh);
    }
    default: return {};
    }
}
 
} // namespace wmtk::operations::tet_mesh