isoline.h

/*
 * Copyright 2024 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 {


struct IsolineOptions
{
    AttributeId attribute_id = invalid_attribute_id();

    size_t channel_index = 0;

    double isovalue = 0.0;

    bool keep_below = true;
};

template <typename Scalar, typename Index>
SurfaceMesh<Scalar, Index> trim_by_isoline(
    const SurfaceMesh<Scalar, Index>& mesh,
    const IsolineOptions& options = {});

template <typename Scalar, typename Index>
SurfaceMesh<Scalar, Index> extract_isoline(
    const SurfaceMesh<Scalar, Index>& mesh,
    const IsolineOptions& options = {});

} // namespace lagrange