//##########################################################################
//#                                                                        #
//#                              CLOUDCOMPARE                              #
//#                                                                        #
//#  This program 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; version 2 or later of the License.      #
//#                                                                        #
//#  This program 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.                          #
//#                                                                        #
//#                  COPYRIGHT: Daniel Girardeau-Montaut                   #
//#                                                                        #
//##########################################################################

#ifndef CC_POINT_CLOUD_INTERPOLATOR
#define CC_POINT_CLOUD_INTERPOLATOR

class ccPointCloud;

//Local
#include "qCC_db.h"

//System
#include <vector>

namespace CCCoreLib
{
	class GenericProgressCallback;
}

class QCC_DB_LIB_API ccPointCloudInterpolator
{
public:

	//! Generic interpolation parameters
	struct Parameters
	{
		enum Method { NEAREST_NEIGHBOR, K_NEAREST_NEIGHBORS, RADIUS };
		enum Algo { AVERAGE, MEDIAN, NORMAL_DIST };

		Method method = NEAREST_NEIGHBOR;
		Algo algo = AVERAGE;
		unsigned knn = 0;
		float radius = 0;
		double sigma = 0;
	};

	//! Interpolate scalar fields from another cloud
	static bool InterpolateScalarFieldsFrom(ccPointCloud* destCloud,
											ccPointCloud* srcCloud,
											const std::vector<int>& sfIndexes,
											const Parameters& params,
											CCCoreLib::GenericProgressCallback* progressCb = nullptr,
											unsigned char octreeLevel = 0);


};

#endif //CC_POINT_CLOUD_INTERPOLATOR
