compute_centroid.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>
#include <lagrange/utils/StackVector.h>
 
namespace lagrange {
 
 
struct FacetCentroidOptions
{
    std::string_view output_attribute_name = "@facet_centroid";
};
 
template <typename Scalar, typename Index>
AttributeId compute_facet_centroid(
    SurfaceMesh<Scalar, Index>& mesh,
    FacetCentroidOptions options = {});
 
struct MeshCentroidOptions
{
    enum WeightingType {
        Uniform, 
        Area 
    } weighting_type = Area;
 
    std::string_view facet_centroid_attribute_name = "@facet_centroid";
 
    std::string_view facet_area_attribute_name = "@facet_area";
};
 
template <typename Scalar, typename Index>
void compute_mesh_centroid(
    const SurfaceMesh<Scalar, Index>& mesh,
    span<Scalar> centroid,
    MeshCentroidOptions options = {});
 
} // namespace lagrange