extract_submeshes_by_group.h

/*
 * Copyright 2026 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>
#include <lagrange/extract_submesh.h>
#include <lagrange/utils/span.h>
 
#include <vector>
 
namespace lagrange::internal {

template <typename Scalar, typename Index>
std::vector<SurfaceMesh<Scalar, Index>> extract_submeshes_by_group(
    const SurfaceMesh<Scalar, Index>& mesh,
    size_t num_groups,
    span<const Index> facet_indices,
    span<const Index> group_offsets,
    const SubmeshOptions& options);
 
} // namespace lagrange::internal