Home > matlab > ecef2enuv.m

ecef2enuv

PURPOSE ^

ecef2enuv convert *vector projection* UVW to ENU

SYNOPSIS ^

function [e, n, Up] = ecef2enuv (u, v, w, lat0, lon0, angleUnit)

DESCRIPTION ^

ecef2enuv convert *vector projection* UVW to ENU

 Inputs
 ------
 u,v,w: meters
 lat0,lon0: geodetic latitude and longitude (degrees)
 angleUnit: string for angular system. Default 'd' degrees

 Outputs
 -------
 e,n,Up:  East, North, Up vector

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 function [e, n, Up] = ecef2enuv (u, v, w, lat0, lon0, angleUnit)
0002 %ecef2enuv convert *vector projection* UVW to ENU
0003 %
0004 % Inputs
0005 % ------
0006 % u,v,w: meters
0007 % lat0,lon0: geodetic latitude and longitude (degrees)
0008 % angleUnit: string for angular system. Default 'd' degrees
0009 %
0010 % Outputs
0011 % -------
0012 % e,n,Up:  East, North, Up vector
0013 %
0014   if nargin<6 || isempty(angleUnit) || strcmpi(angleUnit(1), 'd')
0015     lat0 = deg2rad(lat0);
0016     lon0 = deg2rad(lon0);
0017   end
0018 
0019   t  =  cos(lon0) .* u + sin(lon0) .* v;
0020   e  = -sin(lon0) .* u + cos(lon0) .* v;
0021   Up =  cos(lat0) .* t + sin(lat0) .* w;
0022   n  = -sin(lat0) .* t + cos(lat0) .* w;
0023 end
0024 
0025 % Copyright (c) 2014-2018 Michael Hirsch, Ph.D.
0026 % Copyright (c) 2013, Felipe Geremia Nievinski
0027 %
0028 % Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
0029 % 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
0030 % 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.
0031 % 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.

Generated on Sun 28-Jan-2018 22:54:10 by m2html © 2005