001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.data.projection.datum; 003 004import java.io.InputStream; 005 006/** 007 * Source of NTV2 grid shift files (local directory, download, etc.). 008 * @since 12777 009 */ 010public interface NTV2GridShiftFileSource { 011 012 /** 013 * Locate grid file with given name. 014 * @param gridFileName the name of the grid file 015 * @return an input stream for the file data 016 */ 017 InputStream getNTV2GridShiftFile(String gridFileName); 018 019}