Function compute_vertex_grid

tests/tools/Wires/Inflator/MeshValidation.cpp:29–38

    }

    HashGrid::Ptr compute_vertex_grid(const MatrixFr& vertices, Float cell_size) {
        const size_t dim = vertices.cols();
        const size_t num_vertices = vertices.rows();
        HashGrid::Ptr grid = HashGrid::create(cell_size, dim);
        for (size_t i=0; i<num_vertices; i++) {
            const VectorF& v = vertices.row(i);
            grid->insert(i, v);
        }
        return grid;
    }

    bool match(HashGrid::Ptr grid, const Vector3F& v) {
        VectorI candidates = grid->get_items_near_point(v);