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/*

 * Created on 18-ene-2007 by azabala

 *

 */

package com.iver.cit.jdwglib.util;

import java.util.List;

import com.iver.cit.gvsig.fmap.core.FPolyline2D;

import com.iver.cit.gvsig.fmap.core.FPolyline3D;

import com.iver.cit.gvsig.fmap.core.GeneralPathX;

/**

 * @author alzabord

 *

 */

public class FMapUtil {

        /**

         * Method that changes a Point3D array to a FPolyline3D. Is useful to

         * convert a polyline given by it points to a FPolyline3D, a polyline 3D in

         * the FMap model object

         * 

         * @param pts

         *            Array of Point3D that defines the polyline 3D that will be

         *            converted in a FPolyline3D

         * @return FPolyline3D This FPolyline3D is build using the array of Point3D

         *         that is the argument of the method

         */

        public static FPolyline3D points3DToFPolyline3D(List pts) {

                GeneralPathX genPathX = new GeneralPathX();

                genPathX.moveTo(((double[])pts.get(0))[0], 

                                ((double[])pts.get(0))[1]);

                for (int i = 1; i < pts.size(); i++) {

                        genPathX.lineTo(((double[])pts.get(i))[0],

                                        ((double[])pts.get(i))[1]);

                }

                double[] elevations = new double[pts.size()];

                for (int i = 0; i < pts.size(); i++) {

                        elevations[i] = ((double[])pts.get(i))[2];

                }

                return new FPolyline3D(genPathX, elevations);

        }

        /**

         * Method that changes a Point2D array to a FPolyline2D. Is useful to

         * convert a polyline given by it points to a FPolyline2D, a polyline in the

         * FMap model object

         * 

         * @param pts

         *            Array of Point2D that defines the polyline that will be

         *            converted in a FPolyline2D

         * @return FPolyline2D This FPolyline2D is build using the array of Point2D

         *         that is the argument of the method

         */

        public static FPolyline2D points2DToFPolyline2D(List pts) {

                GeneralPathX genPathX = new GeneralPathX();

                genPathX.moveTo(((double[])pts.get(0))[0], ((double[])pts.get(0))[1]);

                for (int i = 1; i < pts.size(); i++) {

                        genPathX.lineTo(((double[])pts.get(i))[0], 

                                        ((double[])pts.get(i))[1]);

                }

                return new FPolyline2D(genPathX);

        }

}