constant_headland.cpp

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//=============================================================================
//    Copyright (C) 2021-2024 Wageningen University - All Rights Reserved
//                     Author: Gonzalo Mier
//                        BSD-3 License
//=============================================================================
 
#include <utility>
#include "fields2cover/headland_generator/constant_headland.h"
 
namespace f2c::hg {
 
F2CCells ConstHL::generateHeadlands(
    const F2CCells& field, double dist_headland) {
  return field.buffer(-dist_headland);
}
 
F2CCells ConstHL::generateHeadlandArea(
    const F2CCells& field, double swath_width, int n_swaths) {
  return field.buffer(-swath_width * n_swaths);
}
 
std::vector<F2CCells> ConstHL::generateHeadlandSwaths(
    const F2CCells& field, double swath_width, int n_swaths, bool dir_out2in) {
  std::vector<F2CCells> hl;
  if (dir_out2in) {
    for (int i = 0; i < n_swaths; ++i) {
      hl.emplace_back(field.buffer(-swath_width * (i + 0.5)));
    }
  } else {
    hl.emplace_back(field.buffer(-swath_width * (n_swaths - 0.5)));
    for (int i = 1; i < n_swaths; ++i) {
      hl.emplace_back(hl.back().buffer(swath_width));
    }
  }
  return hl;
}
 
 
}  // namespace f2c::hg