topology.h

/*
 * Copyright 2023 Adobe. All rights reserved.
 * This file is licensed to you under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License. You may obtain a copy
 * of the License at http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under
 * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
 * OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
#pragma once
 
#include <lagrange/SurfaceMesh.h>
 
namespace lagrange {


template <typename Scalar, typename Index>
int compute_euler(const SurfaceMesh<Scalar, Index>& mesh);

template <typename Scalar, typename Index>
bool is_closed(const SurfaceMesh<Scalar, Index>& mesh);

template <typename Scalar, typename Index>
bool is_vertex_manifold(const SurfaceMesh<Scalar, Index>& mesh);

template <typename Scalar, typename Index>
bool is_edge_manifold(const SurfaceMesh<Scalar, Index>& mesh);

template <typename Scalar, typename Index>
bool is_manifold(const SurfaceMesh<Scalar, Index>& mesh)
{
    return is_edge_manifold(mesh) && is_vertex_manifold(mesh);
}

struct VertexManifoldOptions
{
    std::string_view output_attribute_name = "@vertex_is_manifold";
};

template <typename Scalar, typename Index>
AttributeId compute_vertex_is_manifold(
    SurfaceMesh<Scalar, Index>& mesh,
    const VertexManifoldOptions& options = {});

 
} // namespace lagrange