Method isBoundaryElement

tools/Assembler/Mesh/TriangleMesh.cpp:87–94

}

bool TriangleMesh::isBoundaryElement(size_t ei) const {
    assert(ei < getNbrElements());
    VectorI elem = getElement(ei);
    assert(3 == elem.size());
    return isBoundaryNode(elem[0]) ||
           isBoundaryNode(elem[1]) ||
           isBoundaryNode(elem[2]);
}

size_t TriangleMesh::getNbrBoundaryFaces() const {
    return m_boundary_edges.rows();