LinearNeighborhoodSize.hpp

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#pragma once
 
#include <cstddef>
 
#include "vc/core/neighborhood/NeighborhoodGenerator.hpp"
#include "vc/core/types/Volume.hpp"
 
namespace volcart
{
static std::size_t LinearNeighborhoodSize(
    double radius, double interval, Direction dir)
{
    // Setup Range
    radius = std::abs(radius);
    double min, max;
    switch (dir) {
        case Direction::Bidirectional: {
            min = -1 * radius;
            max = radius;
            break;
        }
        case Direction::Positive: {
            min = 0;
            max = radius;
            break;
        }
        case Direction::Negative: {
            min = -1 * radius;
            max = 0;
            break;
        }
    }
 
    return static_cast<std::size_t>(std::floor((max - min) / interval) + 1);
}
}  // namespace volcart