ecef2enu convert ECEF to ENU Inputs ------ x,y,z: Earth Centered Earth Fixed (ECEF) coordinates of test point (meters) lat0, lon0, alt0: ellipsoid geodetic coordinates of observer/reference (degrees, degrees, meters) spheroid: referenceEllipsoid parameter struct angleUnit: string for angular units. Default 'd': degrees outputs ------- e,n,u: East, North, Up coordinates of test points (meters)
0001 function [e,n,u] = ecef2enu (x, y, z, lat0, lon0, alt0, spheroid, angleUnit) 0002 %ecef2enu convert ECEF to ENU 0003 % 0004 % Inputs 0005 % ------ 0006 % x,y,z: Earth Centered Earth Fixed (ECEF) coordinates of test point (meters) 0007 % lat0, lon0, alt0: ellipsoid geodetic coordinates of observer/reference (degrees, degrees, meters) 0008 % spheroid: referenceEllipsoid parameter struct 0009 % angleUnit: string for angular units. Default 'd': degrees 0010 % 0011 % outputs 0012 % ------- 0013 % e,n,u: East, North, Up coordinates of test points (meters) 0014 0015 if nargin < 7, spheroid = []; end 0016 if nargin < 8, angleUnit = []; end 0017 0018 [x0, y0, z0] = geodetic2ecef(spheroid, lat0, lon0, alt0, angleUnit); 0019 [e, n, u] = ecef2enuv(x - x0, y - y0, z - z0, lat0, lon0, angleUnit); 0020 end 0021 0022 % Copyright (c) 2014-2018 Michael Hirsch, Ph.D. 0023 % Copyright (c) 2013, Felipe Geremia Nievinski 0024 % 0025 % Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 0026 % 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 0027 % 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 0028 % THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.