/*-
 * #%L
 * BigWarp plugin for Fiji.
 * %%
 * Copyright (C) 2015 - 2022 Howard Hughes Medical Institute.
 * %%
 * 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, either version 2 of the
 * License, or (at your option) any later version.
 * 
 * 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.
 * 
 * You should have received a copy of the GNU General Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/gpl-2.0.html>.
 * #L%
 */
package bigwarp.transforms;

import java.util.Arrays;

import mpicbg.models.IllDefinedDataPointsException;
import mpicbg.models.InvertibleCoordinateTransform;
import mpicbg.models.Model;
import mpicbg.models.NotEnoughDataPointsException;

public class ModelTransformSolver implements TransformSolver< WrappedCoordinateTransform >
{
	private Model< ? > model;

	public ModelTransformSolver( Model< ? > model )
	{
		this.model = model;
	}
	
	public WrappedCoordinateTransform solve( final double[][] mvgPts, final double[][] tgtPts )
	{
		double[] w = new double[ mvgPts[ 0 ].length ];
		Arrays.fill( w, 1.0 );

		try {
			model.fit( mvgPts, tgtPts, w );
		} catch (NotEnoughDataPointsException e) {
			e.printStackTrace();
		} catch (IllDefinedDataPointsException e) {
			e.printStackTrace();
		}
		return new WrappedCoordinateTransform( ( InvertibleCoordinateTransform ) model, mvgPts.length ).inverse();
	}
}
