package com.yssh.utils;

import org.geotools.geometry.jts.JTS;
import org.geotools.referencing.CRS;
import org.locationtech.jts.geom.Coordinate;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
import org.opengis.referencing.operation.MathTransform;

public class GisUtil {
	
	/**
	 * @param srcNo
	 *            源坐标系EPSG代号
	 * @param targetNo
	 *            目标坐标系EPSG代号
	 * @param x
	 *            源坐标x
	 * @param y
	 *            源坐标y
	 * @Description: 坐标系转换
	 */
	public static Coordinate coordinateTransform(String sourceCRS, String targetCRS,
			double x, double y) {
		Coordinate tar = new Coordinate();
		try {
			CoordinateReferenceSystem src = CRS.decode(sourceCRS);
			CoordinateReferenceSystem target = CRS.decode(targetCRS);
			MathTransform transform = CRS.findMathTransform(src, target, true);
			Coordinate sour = new Coordinate(x, y);
			return JTS.transform(sour, tar, transform);
		} catch (Exception e) {
		}
		return tar;

	}
}