//============================================================================
//
// This file is part of the Style Similarity project.
//
// Copyright (c) 2015 - Zhaoliang Lun (author of the code) / UMass-Amherst
//
// This is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This software is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this software.  If not, see <http://www.gnu.org/licenses/>.
//
//============================================================================

#pragma once

#include <vector>

#include "Data/StyleSimilarityTypes.h"

using namespace std;

namespace StyleSimilarity {

	class FeatureFPFH {

		// Fast Point Feature Histogram

	private:

		FeatureFPFH() {}
		~FeatureFPFH() {}
	
	public:

		// samples [IN] : sample points (used for computing features)
		// points [IN] : all points (used for building KD tree)
		// features [OUT] : spin image histograms (same size with samples)
		// radius [IN] : neighbor sphere radius
		static bool calculate(
			TSampleSet &samples,
			TSampleSet &points,
			vector<vector<double>> &features,
			double radius);
	};
}