mesh_smoothing.h

/*
 * Copyright 2025 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/filtering/api.h>
 
#include <string_view>
 
namespace lagrange::filtering {


struct SmoothingOptions
{
    enum struct FilterMethod {
        VertexSmoothing,

        NormalSmoothing
    };

    FilterMethod filter_method = FilterMethod::NormalSmoothing;


    double curvature_weight = 0.02;

    double normal_smoothing_weight = 1e-4;


    double gradient_weight = 1e-4;

    double gradient_modulation_scale = 0.;


    double normal_projection_weight = 1e2;

};

template <typename Scalar, typename Index>
LA_FILTERING_API void mesh_smoothing(
    SurfaceMesh<Scalar, Index>& mesh,
    const SmoothingOptions& options = {});

 
} // namespace lagrange::filtering